/* ================================================================
   SPS JOURNAL — COMPLETE THEME STYLESHEET v2.0
   ================================================================ */

/* ----------------------------------------------------------------
   DESIGN TOKENS
---------------------------------------------------------------- */
:root {
  --forest:        #0d2b1e;
  --forest-deep:   #071811;
  --forest-mid:    #1a4a2e;
  --forest-light:  #2d7a50;
  --copper:        #c8873c;
  --copper-light:  #dfa055;
  --ivory:         #f8f4ed;
  --ivory-dark:    #ede8df;
  --ivory-deeper:  #e0d9cd;
  --white:         #ffffff;
  --text:          #1c1c1c;
  --text-mid:      #3d3d3d;
  --muted:         #6b7280;
  --muted-light:   #9ca3af;
  --border:        #d6d0c4;
  --border-light:  #e8e3da;
  --red:           #c0392b;
  --green:         #27ae60;
  --blue:          #2980b9;
  --amber:         #d68910;

  --ff-display:   'Playfair Display', 'Times New Roman', Georgia, serif;
  --ff-body:      'Source Serif 4', Georgia, 'Times New Roman', serif;
  --ff-ui:        'IBM Plex Sans', 'Helvetica Neue', Arial, sans-serif;
  --ff-mono:      'IBM Plex Mono', 'Courier New', monospace;

  --radius-xs:    4px;
  --radius-sm:    8px;
  --radius-md:    12px;
  --radius-lg:    18px;
  --radius-xl:    24px;
  --radius-full:  9999px;

  --shadow-xs:    0 1px 4px rgba(0,0,0,.06);
  --shadow-sm:    0 2px 10px rgba(0,0,0,.08);
  --shadow-md:    0 6px 24px rgba(0,0,0,.11);
  --shadow-lg:    0 16px 48px rgba(0,0,0,.15);
  --shadow-xl:    0 28px 72px rgba(0,0,0,.20);

  --transition:   .2s ease;
  --transition-slow: .35s ease;
  --container:    1240px;
  --col-pad:      24px;
}

/* ----------------------------------------------------------------
   RESET & BASE
---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--ff-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
  background: var(--ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--forest-mid); text-decoration: none; }
a:hover { color: var(--forest); }
ul, ol { list-style: none; }
button { cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--col-pad); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }

/* ----------------------------------------------------------------
   TYPOGRAPHY UTILITIES
---------------------------------------------------------------- */
.font-display { font-family: var(--ff-display); }
.font-ui      { font-family: var(--ff-ui); }
.font-mono    { font-family: var(--ff-mono); }

h1,h2,h3,h4,h5 { font-family: var(--ff-display); line-height: 1.2; color: var(--forest-deep); }

/* ----------------------------------------------------------------
   BUTTONS
---------------------------------------------------------------- */
.btn {
  display: inline-flex; align-items: center; gap: 7px;
  font-family: var(--ff-ui); font-size: 13.5px; font-weight: 600;
  padding: 10px 22px; border-radius: var(--radius-sm);
  border: 2px solid transparent; cursor: pointer;
  transition: all var(--transition); white-space: nowrap; text-decoration: none;
  letter-spacing: .01em;
}
.btn svg { flex-shrink: 0; }
.btn-lg { padding: 13px 28px; font-size: 15px; }
.btn-sm { padding: 7px 15px; font-size: 12.5px; }
.btn-xs { padding: 5px 11px; font-size: 11.5px; }

.btn-primary   { background: var(--copper); color: #fff; border-color: var(--copper); }
.btn-primary:hover { background: var(--copper-light); border-color: var(--copper-light); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(200,135,60,.35); color: #fff; }

.btn-forest    { background: var(--forest); color: #fff; border-color: var(--forest); }
.btn-forest:hover { background: var(--forest-mid); border-color: var(--forest-mid); transform: translateY(-1px); color: #fff; }

.btn-outline   { background: transparent; color: var(--forest); border-color: var(--forest); }
.btn-outline:hover { background: var(--forest); color: var(--ivory); }

.btn-outline-light { background: transparent; color: var(--ivory); border-color: rgba(248,244,237,.45); }
.btn-outline-light:hover { background: rgba(248,244,237,.12); border-color: var(--ivory); }

.btn-ghost     { background: transparent; color: var(--muted); border-color: var(--border); }
.btn-ghost:hover { background: var(--ivory-dark); color: var(--text); }

.btn-danger    { background: var(--red); color: #fff; border-color: var(--red); }
.btn-danger:hover { background: #a93226; border-color: #a93226; color: #fff; }

.btn-success   { background: var(--green); color: #fff; border-color: var(--green); }
.btn-success:hover { background: #219a52; border-color: #219a52; color: #fff; }

/* Icon-only button */
.btn-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; padding: 0; border-radius: var(--radius-sm);
  background: var(--ivory-dark); border: 1px solid var(--border);
  color: var(--muted); transition: all var(--transition);
}
.btn-icon:hover { background: var(--forest); color: #fff; border-color: var(--forest); }
.btn-icon.danger:hover { background: var(--red); border-color: var(--red); }

/* ----------------------------------------------------------------
   STATUS BADGES
---------------------------------------------------------------- */
.badge {
  display: inline-flex; align-items: center; gap: 5px;
  font-family: var(--ff-ui); font-size: 10.5px; font-weight: 700;
  letter-spacing: .06em; text-transform: uppercase;
  padding: 3px 10px; border-radius: var(--radius-full);
}
.badge-submitted    { background: #dbeafe; color: #1e40af; }
.badge-under-review { background: #fef3c7; color: #92400e; }
.badge-with-editor  { background: #ede9fe; color: #5b21b6; }
.badge-revision     { background: #ffe4e6; color: #9f1239; }
.badge-accepted     { background: #d1fae5; color: #065f46; }
.badge-rejected     { background: #fee2e2; color: #7f1d1d; }
.badge-published    { background: var(--forest); color: #fff; }
.badge-withdrawn    { background: #f3f4f6; color: #374151; }
.badge-pending      { background: #fef9c3; color: #713f12; }
.badge-open-access  { background: #ffd700; color: #7b4f00; }

/* ----------------------------------------------------------------
   FORMS
---------------------------------------------------------------- */
.form-group { margin-bottom: 20px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-row.three { grid-template-columns: 1fr 1fr 1fr; }
.form-row.full { grid-template-columns: 1fr; }

.form-label {
  display: block; margin-bottom: 6px;
  font-family: var(--ff-ui); font-size: 12.5px; font-weight: 600;
  color: var(--text-mid); letter-spacing: .01em;
}
.form-label .req { color: var(--red); margin-left: 2px; }
.form-hint { font-family: var(--ff-ui); font-size: 11.5px; color: var(--muted); margin-top: 5px; }

.form-control {
  width: 100%; padding: 10px 14px;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  font-family: var(--ff-ui); font-size: 13.5px; color: var(--text);
  background: var(--white); transition: border-color var(--transition), box-shadow var(--transition);
  outline: none; appearance: none;
}
.form-control:focus { border-color: var(--forest-mid); box-shadow: 0 0 0 3px rgba(45,122,80,.12); }
.form-control::placeholder { color: var(--muted-light); }
.form-control:disabled { background: var(--ivory-dark); color: var(--muted); cursor: not-allowed; }

textarea.form-control { resize: vertical; min-height: 110px; line-height: 1.65; }
select.form-control { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; padding-right: 36px; cursor: pointer; }

.checkbox-wrap, .radio-wrap { display: flex; align-items: flex-start; gap: 9px; cursor: pointer; }
.checkbox-wrap input[type=checkbox], .radio-wrap input[type=radio] { width: 16px; height: 16px; flex-shrink: 0; margin-top: 2px; accent-color: var(--forest-mid); }
.checkbox-wrap span, .radio-wrap span { font-family: var(--ff-ui); font-size: 13.5px; color: var(--text); line-height: 1.5; }

.form-error { border-color: var(--red) !important; }
.form-error-msg { font-family: var(--ff-ui); font-size: 12px; color: var(--red); margin-top: 4px; }

/* Alert banners */
.alert { padding: 13px 18px; border-radius: var(--radius-sm); font-family: var(--ff-ui); font-size: 13.5px; margin-bottom: 18px; display: flex; align-items: flex-start; gap: 10px; }
.alert svg { flex-shrink: 0; margin-top: 1px; }
.alert-error   { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: #14532d; border: 1px solid #bbf7d0; }
.alert-info    { background: #eff6ff; color: #1e3a8a; border: 1px solid #bfdbfe; }
.alert-warning { background: #fffbeb; color: #78350f; border: 1px solid #fde68a; }

/* ----------------------------------------------------------------
   CARD
---------------------------------------------------------------- */
.card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); }
.card-body { padding: 24px; }
.card-header { padding: 18px 24px; border-bottom: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.card-header h3 { font-family: var(--ff-ui); font-size: 14px; font-weight: 700; color: var(--forest-deep); }
.card-footer { padding: 14px 24px; border-top: 1px solid var(--border-light); background: var(--ivory); border-radius: 0 0 var(--radius-md) var(--radius-md); }

/* ----------------------------------------------------------------
   TABLE
---------------------------------------------------------------- */
.data-table { width: 100%; border-collapse: collapse; font-family: var(--ff-ui); font-size: 13.5px; }
.data-table th { padding: 11px 14px; text-align: left; font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); background: var(--ivory-dark); border-bottom: 2px solid var(--border); white-space: nowrap; }
.data-table td { padding: 13px 14px; border-bottom: 1px solid var(--border-light); vertical-align: middle; color: var(--text-mid); }
.data-table tr:last-child td { border-bottom: none; }
.data-table tbody tr:hover td { background: rgba(13,43,30,.025); }
.table-wrap { overflow-x: auto; border-radius: var(--radius-md); border: 1px solid var(--border); }
.table-action-group { display: flex; align-items: center; gap: 5px; }

/* ----------------------------------------------------------------
   TOP BAR
---------------------------------------------------------------- */
.topbar {
  background: var(--forest-deep); color: rgba(248,244,237,.6);
  font-family: var(--ff-ui); font-size: 11.5px; letter-spacing: .02em;
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.topbar-inner { display: flex; align-items: center; justify-content: space-between; height: 34px; }
.topbar-left, .topbar-right { display: flex; align-items: center; gap: 0; }
.topbar-sep { margin: 0 10px; opacity: .25; }
.topbar a { color: inherit; text-decoration: none; transition: color var(--transition); }
.topbar a:hover { color: var(--ivory); }
.topbar .editorial-link { color: var(--copper) !important; font-weight: 600; }

/* ----------------------------------------------------------------
   HEADER
---------------------------------------------------------------- */
.site-header {
  background: var(--forest); color: var(--ivory);
  position: sticky; top: 0; z-index: 900;
  transition: box-shadow var(--transition-slow);
}
.site-header.scrolled { box-shadow: 0 4px 28px rgba(0,0,0,.4); }
.header-inner { display: flex; align-items: center; gap: 20px; height: 68px; }

/* Logo */
.site-logo { display: flex; align-items: center; gap: 13px; text-decoration: none; color: var(--ivory); flex-shrink: 0; }
.logo-mark { width: 40px; height: 40px; color: var(--copper); flex-shrink: 0; }
.logo-text { display: flex; flex-direction: column; }
.logo-name { font-family: var(--ff-display); font-size: 1rem; font-weight: 700; line-height: 1.15; letter-spacing: -.01em; }
.logo-tagline { font-family: var(--ff-ui); font-size: 9.5px; color: rgba(248,244,237,.4); letter-spacing: .1em; text-transform: uppercase; margin-top: 2px; }

/* Nav */
.primary-nav { display: flex; align-items: center; gap: 2px; margin-left: auto; }
.nav-list { display: flex; align-items: center; gap: 1px; }
.nav-list li { position: relative; }
.nav-list a { display: flex; align-items: center; gap: 4px; font-family: var(--ff-ui); font-size: 13px; font-weight: 500; color: rgba(248,244,237,.8); padding: 7px 13px; border-radius: var(--radius-sm); transition: all var(--transition); text-decoration: none; white-space: nowrap; }
.nav-list a:hover, .nav-list .current > a { color: var(--ivory); background: rgba(255,255,255,.09); }
.nav-list .has-sub > a::after { content: ''; display: inline-block; width: 0; height: 0; border-left: 4px solid transparent; border-right: 4px solid transparent; border-top: 4px solid currentColor; margin-left: 4px; opacity: .6; }
.nav-dropdown { display: none; position: absolute; top: calc(100% + 6px); left: 0; background: #0a2219; border: 1px solid rgba(255,255,255,.08); border-radius: var(--radius-sm); padding: 6px; min-width: 210px; box-shadow: var(--shadow-lg); z-index: 100; }
.nav-list li:hover .nav-dropdown { display: block; }
.nav-dropdown a { display: block; padding: 8px 12px; border-radius: var(--radius-xs); font-size: 13px; }

/* Search toggle */
.search-btn { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; background: rgba(255,255,255,.08); border: none; border-radius: var(--radius-sm); color: var(--ivory); transition: background var(--transition); flex-shrink: 0; }
.search-btn:hover { background: rgba(255,255,255,.15); }

/* Mobile toggle */
.hamburger { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 36px; height: 36px; background: none; border: none; padding: 4px; margin-left: auto; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--ivory); border-radius: 2px; transition: all .3s; }

/* Search bar */
.header-search { display: none; background: rgba(0,0,0,.22); border-top: 1px solid rgba(255,255,255,.07); padding: 12px 0; }
.header-search.open { display: block; }
.search-form { display: flex; gap: 8px; }
.search-form input { flex: 1; background: rgba(255,255,255,.1); border: 1.5px solid rgba(255,255,255,.15); color: var(--ivory); font-family: var(--ff-ui); font-size: 14px; padding: 9px 16px; border-radius: var(--radius-sm); outline: none; transition: border-color var(--transition); }
.search-form input::placeholder { color: rgba(248,244,237,.4); }
.search-form input:focus { border-color: var(--copper); }
.search-form button { background: var(--copper); color: #fff; border: none; padding: 9px 18px; border-radius: var(--radius-sm); font-family: var(--ff-ui); font-size: 13px; font-weight: 600; transition: background var(--transition); }
.search-form button:hover { background: var(--copper-light); }
.search-close-btn { background: none; border: none; color: rgba(248,244,237,.55); padding: 9px; }

/* ----------------------------------------------------------------
   HERO
---------------------------------------------------------------- */
.hero {
  background: linear-gradient(140deg, var(--forest-deep) 0%, #0f3521 45%, #1a4a30 100%);
  color: var(--ivory); padding: 88px 0 80px; position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; inset: 0; pointer-events: none;
  background: radial-gradient(ellipse at 20% 60%, rgba(200,135,60,.07) 0%, transparent 55%),
              radial-gradient(ellipse at 82% 15%, rgba(248,244,237,.03) 0%, transparent 50%);
}
.hero-grid { display: grid; grid-template-columns: 1fr 380px; gap: 72px; align-items: center; position: relative; }
.hero-eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(200,135,60,.18); border: 1px solid rgba(200,135,60,.35); color: var(--copper); font-family: var(--ff-ui); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 5px 14px; border-radius: var(--radius-full); margin-bottom: 22px; }
.hero-eyebrow-dot { width: 6px; height: 6px; background: var(--copper); border-radius: 50%; animation: pulse 2s infinite; }
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.8)} }
.hero-title { font-family: var(--ff-display); font-size: clamp(2rem,5vw,3.5rem); font-weight: 700; line-height: 1.1; letter-spacing: -.025em; margin-bottom: 22px; color: var(--ivory); }
.hero-title em { color: var(--copper); font-style: italic; }
.hero-desc { font-family: var(--ff-body); font-size: 1.08rem; line-height: 1.78; color: rgba(248,244,237,.72); margin-bottom: 36px; max-width: 510px; }
.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 44px; }
.hero-stats { display: flex; gap: 36px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,.1); }
.hero-stat-num { display: block; font-family: var(--ff-display); font-size: 1.7rem; font-weight: 700; color: var(--copper); line-height: 1; }
.hero-stat-lbl { display: block; font-family: var(--ff-ui); font-size: 10.5px; color: rgba(248,244,237,.5); text-transform: uppercase; letter-spacing: .08em; margin-top: 5px; }
.hero-visual { position: relative; }
.hero-globe { width: 240px; margin: 0 auto 20px; opacity: .55; }
.hero-globe svg { width: 100%; animation: rotateSlow 50s linear infinite; }
@keyframes rotateSlow { to { transform: rotate(360deg); } }
.hero-cards { display: flex; flex-direction: column; gap: 10px; }
.hero-card { background: rgba(255,255,255,.07); border: 1px solid rgba(255,255,255,.1); border-radius: var(--radius-sm); padding: 13px 16px; }
.hero-card-type { font-family: var(--ff-ui); font-size: 9.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--copper); display: block; margin-bottom: 4px; }
.hero-card-title { font-family: var(--ff-body); font-size: 12.5px; color: rgba(248,244,237,.9); line-height: 1.45; margin-bottom: 4px; }
.hero-card-author { font-family: var(--ff-ui); font-size: 11px; color: rgba(248,244,237,.45); }

/* ----------------------------------------------------------------
   SUBJECT STRIP
---------------------------------------------------------------- */
.subject-strip { background: var(--ivory-dark); border-bottom: 1px solid var(--border); padding: 13px 0; }
.subject-strip-inner { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.subject-label { font-family: var(--ff-ui); font-size: 10.5px; font-weight: 700; letter-spacing: .09em; text-transform: uppercase; color: var(--muted); margin-right: 4px; white-space: nowrap; }
.subject-pill { background: var(--forest); color: rgba(248,244,237,.88); font-family: var(--ff-ui); font-size: 11.5px; font-weight: 500; padding: 4px 12px; border-radius: var(--radius-full); text-decoration: none; transition: background var(--transition), transform var(--transition); }
.subject-pill:hover { background: var(--forest-mid); transform: translateY(-1px); color: var(--ivory); }

/* ----------------------------------------------------------------
   SECTION UTILITIES
---------------------------------------------------------------- */
.section { padding: 80px 0; }
.section-sm { padding: 56px 0; }
.section-dark { background: var(--forest); color: var(--ivory); }
.section-muted { background: var(--ivory-dark); }
.section-label { display: block; font-family: var(--ff-ui); font-size: 11px; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--copper); margin-bottom: 8px; }
.section-title { font-family: var(--ff-display); font-size: clamp(1.6rem,3vw,2.3rem); font-weight: 700; color: var(--forest-deep); letter-spacing: -.02em; line-height: 1.2; }
.section-dark .section-title { color: var(--ivory); }
.section-subtitle { font-family: var(--ff-body); font-size: 1rem; color: var(--muted); line-height: 1.68; margin-top: 12px; max-width: 540px; }
.section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 40px; }
.section-header-center { text-align: center; }
.section-header-center .section-subtitle { margin: 12px auto 0; }

/* ----------------------------------------------------------------
   PAPER CARDS
---------------------------------------------------------------- */
/* Grid card */
.paper-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.paper-card {
  background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md);
  display: flex; flex-direction: column; transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  overflow: hidden;
}
.paper-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(13,43,30,.18); }
.paper-card-body { padding: 22px; flex: 1; display: flex; flex-direction: column; }
.paper-card-top { display: flex; gap: 7px; margin-bottom: 13px; flex-wrap: wrap; align-items: center; }
.paper-type-tag { font-family: var(--ff-ui); font-size: 10px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; background: var(--forest); color: rgba(248,244,237,.92); padding: 3px 9px; border-radius: var(--radius-xs); }
.paper-subj-tag { font-family: var(--ff-ui); font-size: 10px; font-weight: 600; color: var(--copper); background: rgba(200,135,60,.1); border: 1px solid rgba(200,135,60,.22); padding: 3px 9px; border-radius: var(--radius-xs); }
.paper-card-title { font-family: var(--ff-body); font-size: 1rem; font-weight: 600; line-height: 1.44; color: var(--forest-deep); margin-bottom: 9px; flex: 1; }
.paper-card-title a { color: inherit; text-decoration: none; }
.paper-card-title a:hover { color: var(--forest-mid); text-decoration: underline; }
.paper-card-authors { font-family: var(--ff-ui); font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
.paper-card-abstract { font-family: var(--ff-body); font-size: 13px; color: var(--muted); line-height: 1.6; margin-bottom: 16px; }
.paper-card-footer { display: flex; align-items: center; justify-content: space-between; padding-top: 12px; border-top: 1px solid var(--border-light); font-family: var(--ff-ui); font-size: 11.5px; color: var(--muted); }
.paper-card-meta { display: flex; gap: 10px; align-items: center; }
.paper-card-stats { display: flex; gap: 8px; }
.paper-card-stats span { display: flex; align-items: center; gap: 3px; }
.doi-pill { font-family: var(--ff-mono); font-size: 10px; color: var(--copper); background: rgba(200,135,60,.1); padding: 2px 7px; border-radius: 3px; }
.oa-badge { background: #ffd700; color: #6b4000; font-family: var(--ff-ui); font-size: 9.5px; font-weight: 700; padding: 2px 7px; border-radius: var(--radius-xs); letter-spacing: .05em; }

/* List card */
.paper-list-item { display: flex; gap: 18px; padding: 22px 0; border-bottom: 1px solid var(--border-light); }
.paper-list-item:first-child { border-top: 1px solid var(--border-light); }
.paper-list-type { flex-shrink: 0; width: 95px; padding-top: 2px; }
.paper-list-body { flex: 1; }
.paper-list-title { font-family: var(--ff-body); font-size: 1.05rem; font-weight: 600; line-height: 1.4; color: var(--forest-deep); margin-bottom: 6px; }
.paper-list-title a { color: inherit; text-decoration: none; }
.paper-list-title a:hover { color: var(--forest-mid); text-decoration: underline; }
.paper-list-authors { font-family: var(--ff-ui); font-size: 12.5px; color: var(--muted); margin-bottom: 7px; }
.paper-list-abstract { font-family: var(--ff-body); font-size: 13px; color: var(--muted); line-height: 1.58; margin-bottom: 10px; }
.paper-list-footer { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; font-family: var(--ff-ui); font-size: 11.5px; color: var(--muted); }
.paper-list-stats { display: flex; gap: 10px; margin-left: auto; }
.paper-list-stats span { display: flex; align-items: center; gap: 3px; }
.kw-tag { font-family: var(--ff-ui); font-size: 11px; color: var(--forest-mid); background: rgba(45,122,80,.08); padding: 3px 9px; border-radius: var(--radius-xs); text-decoration: none; }
.kw-tag:hover { background: rgba(45,122,80,.15); color: var(--forest); }

/* ----------------------------------------------------------------
   FEATURE CARDS
---------------------------------------------------------------- */
.feature-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 22px; }
.feature-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px 24px; transition: transform var(--transition), box-shadow var(--transition); }
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
.feature-icon { width: 50px; height: 50px; background: rgba(13,43,30,.07); border-radius: var(--radius-sm); display: flex; align-items: center; justify-content: center; color: var(--forest); margin-bottom: 16px; }
.feature-title { font-family: var(--ff-ui); font-size: 15px; font-weight: 700; color: var(--forest-deep); margin-bottom: 8px; }
.feature-desc { font-family: var(--ff-body); font-size: 13.5px; color: var(--muted); line-height: 1.65; }

/* ----------------------------------------------------------------
   FOOTER
---------------------------------------------------------------- */
.site-footer { background: var(--forest-deep); color: rgba(248,244,237,.65); }
.footer-main { padding: 60px 0 48px; border-bottom: 1px solid rgba(255,255,255,.07); }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 12px; color: var(--ivory); font-family: var(--ff-display); font-size: 1rem; font-weight: 700; margin-bottom: 13px; }
.footer-brand .footer-logo svg { color: var(--copper); }
.footer-brand p { font-size: .875rem; line-height: 1.7; margin-bottom: 20px; }
.footer-meta { display: flex; flex-direction: column; gap: 8px; }
.footer-meta-row { display: flex; flex-direction: column; gap: 1px; }
.footer-meta-key { font-family: var(--ff-ui); font-size: 9.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: rgba(248,244,237,.3); }
.footer-meta-val { font-family: var(--ff-ui); font-size: 12.5px; color: rgba(248,244,237,.7); }
.footer-col-title { font-family: var(--ff-ui); font-size: 10.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--copper); margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-family: var(--ff-ui); font-size: 13px; color: rgba(248,244,237,.6); text-decoration: none; transition: color var(--transition); }
.footer-links a:hover { color: var(--ivory); }
.footer-newsletter-label { font-family: var(--ff-ui); font-size: 10.5px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: rgba(248,244,237,.35); margin-bottom: 10px; }
.footer-newsletter-form { display: flex; flex-direction: column; gap: 8px; margin-top: 20px; }
.footer-newsletter-form input { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.12); color: var(--ivory); padding: 9px 14px; border-radius: var(--radius-sm); font-family: var(--ff-ui); font-size: 13px; outline: none; }
.footer-newsletter-form input::placeholder { color: rgba(248,244,237,.3); }
.footer-newsletter-form input:focus { border-color: var(--copper); }
.footer-newsletter-form button { background: var(--copper); color: #fff; border: none; padding: 9px 16px; border-radius: var(--radius-sm); font-family: var(--ff-ui); font-size: 13px; font-weight: 600; }
.footer-bottom { padding: 18px 0; }
.footer-bottom-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer-copy { font-family: var(--ff-ui); font-size: 11.5px; color: rgba(248,244,237,.35); }
.footer-copy a { color: var(--copper); }
.footer-legal { display: flex; gap: 18px; }
.footer-legal a { font-family: var(--ff-ui); font-size: 11.5px; color: rgba(248,244,237,.35); text-decoration: none; transition: color var(--transition); }
.footer-legal a:hover { color: var(--ivory); }

/* ----------------------------------------------------------------
   ARTICLE PAGE
---------------------------------------------------------------- */
.article-header { background: var(--forest-deep); color: var(--ivory); padding: 44px 0 38px; }
.article-breadcrumb { display: flex; align-items: center; gap: 7px; font-family: var(--ff-ui); font-size: 12px; color: rgba(248,244,237,.4); margin-bottom: 18px; }
.article-breadcrumb a { color: inherit; text-decoration: none; }
.article-breadcrumb a:hover { color: var(--copper); }
.article-breadcrumb svg { opacity: .4; }
.article-meta-top { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; margin-bottom: 16px; }
.article-type-badge { background: var(--copper); color: #fff; font-family: var(--ff-ui); font-size: 10.5px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; padding: 4px 11px; border-radius: var(--radius-xs); }
.article-volume { font-family: var(--ff-ui); font-size: 12px; color: rgba(248,244,237,.5); }
.article-doi-display { font-family: var(--ff-mono); font-size: 11.5px; color: rgba(248,244,237,.4); }
.article-doi-display a { color: inherit; text-decoration: underline; }
.article-title { font-family: var(--ff-display); font-size: clamp(1.5rem,3.5vw,2.6rem); font-weight: 700; line-height: 1.2; letter-spacing: -.02em; color: var(--ivory); margin-bottom: 22px; }
.article-authors { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; margin-bottom: 10px; }
.article-author { display: flex; align-items: center; gap: 3px; }
.article-author-name { font-family: var(--ff-ui); font-weight: 500; font-size: 14px; color: rgba(248,244,237,.9); }
.article-author-sup { font-size: 10px; color: var(--copper); }
.author-sep { color: rgba(248,244,237,.3); }
.orcid-link { color: #a6ce39; display: flex; align-items: center; }
.corr-mark { color: rgba(248,244,237,.5); font-size: 12px; }
.article-affiliations { margin-bottom: 12px; }
.article-affil { font-family: var(--ff-ui); font-size: 11.5px; color: rgba(248,244,237,.48); line-height: 1.65; }
.article-affil sup { color: var(--copper); }
.article-dates { display: flex; gap: 18px; flex-wrap: wrap; font-family: var(--ff-ui); font-size: 11.5px; color: rgba(248,244,237,.4); margin-bottom: 26px; }
.article-actions { display: flex; align-items: center; gap: 9px; flex-wrap: wrap; }
.article-metrics { display: flex; align-items: center; gap: 14px; margin-left: auto; }
.metric-chip { display: flex; align-items: center; gap: 4px; font-family: var(--ff-ui); font-size: 12px; color: rgba(248,244,237,.45); }

/* Cite dropdown */
.cite-wrapper { position: relative; }
.cite-menu { position: absolute; top: calc(100% + 8px); left: 0; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 7px; min-width: 224px; box-shadow: var(--shadow-md); z-index: 200; }
.cite-menu-title { font-family: var(--ff-ui); font-size: 10px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); padding: 5px 10px 7px; }
.cite-option { display: block; width: 100%; text-align: left; padding: 8px 12px; font-family: var(--ff-ui); font-size: 13px; color: var(--text); background: none; border: none; border-radius: var(--radius-xs); cursor: pointer; text-decoration: none; transition: background var(--transition); }
.cite-option:hover { background: var(--ivory-dark); }
.cite-divider { border-top: 1px solid var(--border-light); margin: 5px 0; }

/* Article body layout */
.article-body { padding: 44px 0 80px; background: var(--ivory); }
.article-layout { display: grid; grid-template-columns: 196px 1fr 260px; gap: 40px; align-items: start; }
.article-sidebar { position: sticky; top: 80px; }
.article-sidebar-right { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 14px; }
.toc-box { background: var(--ivory-dark); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px; }
.toc-title { font-family: var(--ff-ui); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 12px; }
.toc-list { list-style: none; }
.toc-list li { margin: 1px 0; }
.toc-link { font-family: var(--ff-ui); font-size: 12px; color: var(--muted); text-decoration: none; display: block; padding: 4px 8px 4px 10px; border-left: 2px solid transparent; border-radius: 0 var(--radius-xs) var(--radius-xs) 0; transition: all var(--transition); line-height: 1.4; }
.toc-link:hover { color: var(--forest); background: rgba(13,43,30,.05); }
.toc-link.active { color: var(--forest); border-left-color: var(--forest); background: rgba(13,43,30,.06); }
.toc-h3 .toc-link { padding-left: 22px; font-size: 11.5px; }

/* Article content typography */
.article-section { margin-bottom: 46px; }
.article-section-title { font-family: var(--ff-display); font-size: 1.32rem; font-weight: 700; color: var(--forest-deep); padding-bottom: 11px; border-bottom: 2px solid var(--forest); margin-bottom: 18px; letter-spacing: -.01em; display: block; }
.abstract-box { background: var(--ivory-dark); border-left: 4px solid var(--forest); padding: 20px 24px; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; font-family: var(--ff-body); font-size: 1rem; line-height: 1.82; color: var(--text); word-wrap: break-word; overflow-wrap: break-word; white-space: normal; }
.kw-row { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; margin-top: 14px; }
.kw-label { font-family: var(--ff-ui); font-size: 12px; font-weight: 600; color: var(--muted); }
.article-full-text { font-family: var(--ff-body); font-size: 1rem; line-height: 1.88; color: var(--text); }
.article-full-text h2 { font-family: var(--ff-display); font-size: 1.3rem; color: var(--forest-deep); margin: 40px 0 14px; padding-bottom: 9px; border-bottom: 1px solid var(--border); }
.article-full-text h3 { font-family: var(--ff-display); font-size: 1.1rem; color: var(--forest-deep); margin: 30px 0 12px; }
.article-full-text p { margin-bottom: 18px; }
.article-full-text figure { margin: 32px 0; }
.article-full-text figcaption { font-size: .875rem; color: var(--muted); font-style: italic; margin-top: 8px; text-align: center; }
.article-full-text table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: .9rem; }
.article-full-text th { background: var(--ivory-dark); padding: 8px 12px; text-align: left; font-family: var(--ff-ui); font-weight: 600; border: 1px solid var(--border); }
.article-full-text td { padding: 8px 12px; border: 1px solid var(--border-light); }
.ref-list { list-style: decimal; padding-left: 22px; }
.ref-item { font-size: .9rem; line-height: 1.65; margin-bottom: 12px; color: var(--text-mid); }
.ref-doi { color: var(--forest-mid); font-family: var(--ff-mono); font-size: .78rem; word-break: break-all; }
.declaration-block { background: var(--ivory-dark); border-radius: var(--radius-sm); padding: 15px 18px; margin-bottom: 12px; }
.declaration-block h4 { font-family: var(--ff-ui); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin-bottom: 6px; }
.declaration-block p { font-size: .9rem; color: var(--text-mid); margin: 0; }
.cite-apa { background: var(--ivory-dark); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px 22px; font-family: var(--ff-body); font-size: .9rem; line-height: 1.7; color: var(--text); }

/* Article right sidebar */
.article-info-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px 20px; }
.info-card-title { font-family: var(--ff-ui); font-size: 10px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin-bottom: 14px; }
.info-dl dt { font-family: var(--ff-ui); font-size: 10.5px; font-weight: 600; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; margin-bottom: 2px; }
.info-dl dd { font-family: var(--ff-ui); font-size: 13px; color: var(--text); margin: 0 0 12px; word-break: break-word; }
.info-dl dd:last-child { margin-bottom: 0; }
.doi-mono { font-family: var(--ff-mono); font-size: 12px; color: var(--forest-mid); word-break: break-all; }
.license-badge { display: inline-flex; align-items: center; gap: 5px; background: #fdf6e3; border: 1px solid #e6d69f; color: #7a5900; font-family: var(--ff-ui); font-size: 11px; font-weight: 600; padding: 4px 9px; border-radius: var(--radius-xs); }
.subj-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.subj-chip { font-family: var(--ff-ui); font-size: 11.5px; font-weight: 500; color: var(--forest); background: rgba(45,122,80,.08); border-radius: var(--radius-xs); padding: 4px 10px; text-decoration: none; }
.share-col { display: flex; flex-direction: column; gap: 7px; }
.share-item { display: block; text-align: center; padding: 8px 14px; border-radius: var(--radius-sm); font-family: var(--ff-ui); font-size: 12.5px; font-weight: 600; text-decoration: none; border: 1.5px solid var(--border); background: var(--white); color: var(--text); transition: all var(--transition); cursor: pointer; }
.share-item:hover { background: var(--ivory-dark); }

/* ----------------------------------------------------------------
   ARCHIVE / BROWSE PAGE
---------------------------------------------------------------- */
.browse-layout { display: grid; grid-template-columns: 240px 1fr; gap: 40px; padding: 40px 0; }
.filter-sidebar { position: sticky; top: 80px; align-self: start; }
.filter-card { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; margin-bottom: 14px; }
.filter-card-head { padding: 13px 16px; background: var(--ivory-dark); border-bottom: 1px solid var(--border-light); display: flex; align-items: center; justify-content: space-between; }
.filter-card-head h4 { font-family: var(--ff-ui); font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.filter-card-body { padding: 10px; }
.filter-search { display: flex; margin-bottom: 14px; }
.filter-search input { flex: 1; padding: 8px 12px; border: 1.5px solid var(--border); border-right: none; border-radius: var(--radius-sm) 0 0 var(--radius-sm); font-family: var(--ff-ui); font-size: 13px; outline: none; }
.filter-search input:focus { border-color: var(--forest-mid); }
.filter-search button { padding: 8px 13px; background: var(--forest); color: #fff; border: none; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.filter-option { display: flex; align-items: center; justify-content: space-between; padding: 7px 10px; font-family: var(--ff-ui); font-size: 13px; color: var(--text); text-decoration: none; border-radius: var(--radius-xs); transition: background var(--transition); }
.filter-option:hover { background: var(--ivory-dark); }
.filter-option.active { background: rgba(13,43,30,.08); color: var(--forest); font-weight: 600; }
.filter-count { font-size: 11px; color: var(--muted); background: var(--ivory-dark); padding: 1px 7px; border-radius: var(--radius-full); }
.active-tags { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin-bottom: 18px; }
.active-tag { background: var(--forest); color: var(--ivory); font-family: var(--ff-ui); font-size: 11.5px; padding: 3px 10px; border-radius: var(--radius-xs); text-decoration: none; display: flex; align-items: center; gap: 5px; }
.active-tag:hover { background: var(--forest-mid); color: var(--ivory); }
.clear-all { font-family: var(--ff-ui); font-size: 11.5px; color: var(--copper); text-decoration: underline; margin-left: 2px; }
.results-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; padding-bottom: 14px; border-bottom: 1px solid var(--border); }
.results-count { font-family: var(--ff-ui); font-size: 14px; color: var(--muted); }
.sort-select { border: 1.5px solid var(--border); border-radius: var(--radius-sm); padding: 7px 12px; font-family: var(--ff-ui); font-size: 13px; background: var(--white); cursor: pointer; }
.pagination { display: flex; justify-content: center; gap: 5px; margin-top: 44px; flex-wrap: wrap; }
.pagination .page-numbers { display: flex; align-items: center; gap: 4px; padding: 8px 14px; font-family: var(--ff-ui); font-size: 13px; font-weight: 500; color: var(--forest-deep); background: var(--white); border: 1.5px solid var(--border); border-radius: var(--radius-sm); text-decoration: none; transition: all var(--transition); }
.pagination .page-numbers:hover, .pagination .page-numbers.current { background: var(--forest); color: var(--ivory); border-color: var(--forest); }
.no-results { text-align: center; padding: 60px 20px; }
.no-results svg { color: var(--border); margin: 0 auto 20px; }
.no-results h3 { font-family: var(--ff-display); font-size: 1.3rem; color: var(--forest-deep); margin-bottom: 8px; }
.no-results p { color: var(--muted); margin-bottom: 20px; }

/* ----------------------------------------------------------------
   SUBMISSION FORM
---------------------------------------------------------------- */
.submission-page { padding: 44px 0 80px; }
.submission-layout { display: grid; grid-template-columns: 270px 1fr; gap: 36px; }
.submission-sidebar > * { margin-bottom: 16px; }
.checklist { display: flex; flex-direction: column; gap: 10px; }
.checklist-item { display: flex; align-items: flex-start; gap: 9px; font-family: var(--ff-ui); font-size: 13px; color: var(--text); line-height: 1.45; }
.checklist-item svg { flex-shrink: 0; color: var(--green); margin-top: 1px; }

/* Step indicator */
.step-bar { display: flex; align-items: center; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 18px 22px; margin-bottom: 30px; }
.step-item { display: flex; flex-direction: column; align-items: center; gap: 5px; flex: 0; }
.step-circle { width: 32px; height: 32px; border-radius: 50%; border: 2px solid var(--border); display: flex; align-items: center; justify-content: center; font-family: var(--ff-ui); font-size: 13px; font-weight: 700; color: var(--muted); background: var(--white); transition: all .3s; flex-shrink: 0; }
.step-label { font-family: var(--ff-ui); font-size: 11px; color: var(--muted); white-space: nowrap; }
.step-line { flex: 1; height: 2px; background: var(--border); margin: 0 8px 18px; transition: background .3s; }
.step-item.active .step-circle { background: var(--forest); border-color: var(--forest); color: #fff; }
.step-item.active .step-label { color: var(--forest); font-weight: 600; }
.step-item.done .step-circle { background: var(--green); border-color: var(--green); color: #fff; }
.step-item.done + .step-line { background: var(--green); }

/* Step panels */
.step-panel { display: none; }
.step-panel.active { display: block; }
.step-panel-head { margin-bottom: 26px; }
.step-panel-head h2 { font-family: var(--ff-display); font-size: 1.5rem; font-weight: 700; color: var(--forest-deep); margin-bottom: 6px; }
.step-panel-head p { font-family: var(--ff-body); font-size: .9rem; color: var(--muted); }
.step-actions { display: flex; align-items: center; gap: 14px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--border); }

/* Auto-extract banner */
.extract-banner { display: flex; align-items: center; gap: 14px; background: rgba(13,43,30,.04); border: 1.5px dashed rgba(13,43,30,.2); border-radius: var(--radius-sm); padding: 16px 18px; margin-bottom: 26px; flex-wrap: wrap; }
.extract-banner svg { color: var(--forest); flex-shrink: 0; }
.extract-banner-text h4 { font-family: var(--ff-ui); font-size: 14px; font-weight: 700; color: var(--forest-deep); margin-bottom: 3px; }
.extract-banner-text p { font-family: var(--ff-body); font-size: 13px; color: var(--muted); margin: 0; }
.extract-status { width: 100%; font-family: var(--ff-ui); font-size: 13px; }
.extract-ok { color: var(--green); } .extract-err { color: var(--red); } .extract-loading { color: var(--muted); }

/* Keywords input */
.kw-input-wrap { position: relative; }
.kw-tags-box { display: flex; flex-wrap: wrap; gap: 6px; min-height: 44px; padding: 8px 12px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: var(--white); cursor: text; transition: border-color var(--transition); }
.kw-tags-box:focus-within { border-color: var(--forest-mid); box-shadow: 0 0 0 3px rgba(45,122,80,.12); }
.kw-tag-pill { display: flex; align-items: center; gap: 4px; background: var(--forest); color: var(--ivory); font-family: var(--ff-ui); font-size: 12px; font-weight: 500; padding: 3px 10px; border-radius: var(--radius-xs); }
.kw-tag-pill button { background: none; border: none; color: rgba(248,244,237,.65); font-size: 15px; line-height: 1; padding: 0; cursor: pointer; }
.kw-text-input { border: none; outline: none; font-family: var(--ff-ui); font-size: 13.5px; color: var(--text); background: transparent; min-width: 140px; flex: 1; padding: 2px 0; }
.kw-text-input::placeholder { color: var(--muted-light); }

/* File upload zone */
.upload-zone { border: 2px dashed var(--border); border-radius: var(--radius-md); padding: 40px 24px; text-align: center; transition: all var(--transition); cursor: default; background: var(--white); margin-bottom: 14px; }
.upload-zone.drag-over { border-color: var(--forest-mid); background: rgba(13,43,30,.03); }
.upload-zone svg { color: var(--muted); margin: 0 auto 13px; }
.upload-zone h3 { font-family: var(--ff-ui); font-size: 15px; font-weight: 700; color: var(--forest-deep); margin-bottom: 6px; }
.upload-zone p { font-family: var(--ff-body); font-size: 13.5px; color: var(--muted); margin-bottom: 4px; }
.upload-zone .formats { font-size: 12px !important; margin-bottom: 14px; }
.file-selected-row { display: flex; align-items: center; gap: 10px; font-family: var(--ff-ui); font-size: 13px; color: var(--text); padding: 11px 14px; background: rgba(13,43,30,.05); border-radius: var(--radius-sm); margin-top: 12px; }
.file-selected-row svg { color: var(--forest); flex-shrink: 0; }
.file-selected-name { flex: 1; font-weight: 500; }
.file-selected-meta { color: var(--muted); font-size: 11.5px; }
.file-remove { background: none; border: none; color: var(--red); font-size: 18px; line-height: 1; cursor: pointer; margin-left: auto; padding: 2px; }
.supp-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.supp-item { display: flex; align-items: center; gap: 8px; font-family: var(--ff-ui); font-size: 13px; padding: 8px 12px; background: var(--ivory-dark); border-radius: var(--radius-xs); }
.supp-item .file-remove { margin-left: auto; }

/* Author entries */
.author-entry { background: var(--ivory-dark); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px 20px; margin-bottom: 13px; }
.author-entry-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.author-num { font-family: var(--ff-ui); font-size: 13px; font-weight: 700; color: var(--forest-deep); }
.author-entry .submitter-tag { background: var(--forest); color: var(--ivory); font-size: 10.5px; font-family: var(--ff-ui); font-weight: 600; padding: 2px 9px; border-radius: var(--radius-xs); }

/* References import */
.ref-import-section { border-top: 1px solid var(--border); padding-top: 26px; margin-top: 30px; }
.ref-tabs { display: flex; gap: 4px; margin-bottom: 12px; }
.ref-tab { padding: 7px 16px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: none; font-family: var(--ff-ui); font-size: 13px; font-weight: 500; color: var(--text); cursor: pointer; transition: all var(--transition); }
.ref-tab.active { background: var(--forest); color: #fff; border-color: var(--forest); }
.ref-tab-panel { display: none; }
.ref-tab-panel.active { display: block; }
.ref-preview { background: rgba(13,43,30,.04); border: 1px solid rgba(13,43,30,.1); border-radius: var(--radius-sm); padding: 14px; margin-top: 12px; }
.ref-preview-header { font-family: var(--ff-ui); font-size: 12.5px; font-weight: 700; color: var(--forest-deep); margin-bottom: 10px; }
.ref-preview-item { display: flex; gap: 9px; font-family: var(--ff-body); font-size: 12.5px; color: var(--text); padding: 5px 0; border-bottom: 1px solid rgba(13,43,30,.06); }
.ref-n { font-family: var(--ff-mono); font-size: 11px; font-weight: 600; color: var(--muted); width: 18px; flex-shrink: 0; margin-top: 1px; }

/* Declaration section */
.declaration-checks { background: rgba(13,43,30,.04); border: 1.5px solid rgba(13,43,30,.1); border-radius: var(--radius-sm); padding: 18px 22px; margin: 22px 0; display: flex; flex-direction: column; gap: 12px; }

/* Submission review section */
.review-section-block { background: var(--ivory-dark); border-radius: var(--radius-sm); padding: 16px 20px; margin-bottom: 12px; }
.review-section-block h4 { font-family: var(--ff-ui); font-size: 10.5px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin-bottom: 10px; }
.review-section-block dl { display: grid; grid-template-columns: 130px 1fr; gap: 6px 14px; font-family: var(--ff-ui); font-size: 13px; }
.review-section-block dt { font-weight: 600; color: var(--muted); }
.review-section-block dd { color: var(--text); }

/* Submission success */
.submission-success { text-align: center; padding: 60px 20px; }
.submission-success svg { color: var(--green); margin: 0 auto 20px; }
.submission-success h2 { font-family: var(--ff-display); font-size: 2rem; color: var(--forest-deep); margin-bottom: 12px; }
.submission-success p { font-family: var(--ff-body); color: var(--muted); margin-bottom: 20px; max-width: 480px; margin-left: auto; margin-right: auto; }
.sub-number-display { font-family: var(--ff-mono); font-size: 1.1rem; color: var(--forest); font-weight: 700; background: rgba(13,43,30,.07); padding: 10px 24px; border-radius: var(--radius-sm); display: inline-block; margin-bottom: 28px; }

/* ----------------------------------------------------------------
   DASHBOARD
---------------------------------------------------------------- */
.dashboard-header { background: var(--forest-deep); color: var(--ivory); padding: 30px 0; }
.dashboard-header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.dashboard-user { display: flex; align-items: center; gap: 16px; }
.dashboard-avatar { width: 54px; height: 54px; border-radius: 50%; border: 2px solid rgba(248,244,237,.2); object-fit: cover; }
.dashboard-user-info h1 { font-family: var(--ff-display); font-size: 1.45rem; font-weight: 700; color: var(--ivory); margin-bottom: 3px; }
.dashboard-user-info p { font-family: var(--ff-ui); font-size: 13px; color: rgba(248,244,237,.5); }
.dashboard-stats-strip { background: var(--forest); border-bottom: 1px solid rgba(255,255,255,.07); padding: 13px 0; }
.dashboard-stats { display: flex; gap: 44px; flex-wrap: wrap; }
.d-stat { text-align: center; }
.d-stat-num { font-family: var(--ff-display); font-size: 1.65rem; font-weight: 700; color: var(--copper); display: block; line-height: 1; }
.d-stat-lbl { font-family: var(--ff-ui); font-size: 10.5px; color: rgba(248,244,237,.45); text-transform: uppercase; letter-spacing: .08em; display: block; margin-top: 4px; }
.dashboard-layout { display: grid; grid-template-columns: 220px 1fr; gap: 36px; padding: 36px 0; }
.dashboard-nav { position: sticky; top: 80px; align-self: start; background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); overflow: hidden; }
.dashboard-nav a { display: flex; align-items: center; gap: 10px; padding: 11px 16px; font-family: var(--ff-ui); font-size: 13.5px; font-weight: 500; color: var(--text); text-decoration: none; border-left: 3px solid transparent; transition: all var(--transition); }
.dashboard-nav a:hover { background: var(--ivory-dark); color: var(--forest); }
.dashboard-nav a.active { background: rgba(13,43,30,.07); color: var(--forest); border-left-color: var(--forest); font-weight: 700; }
.dashboard-nav a svg { color: var(--muted); flex-shrink: 0; }
.dashboard-nav a.active svg, .dashboard-nav a:hover svg { color: var(--forest); }
.d-nav-badge { font-family: var(--ff-ui); font-size: 10px; font-weight: 700; background: var(--muted); color: #fff; padding: 1px 6px; border-radius: var(--radius-full); margin-left: auto; }
.d-nav-badge.alert { background: var(--red); }
.dashboard-content { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-md); padding: 28px; }
.d-tab-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.d-tab-header h2 { font-family: var(--ff-display); font-size: 1.3rem; font-weight: 700; color: var(--forest-deep); }
.empty-state { text-align: center; padding: 50px 20px; }
.empty-state svg { color: var(--border); margin: 0 auto 16px; }
.empty-state h3 { font-family: var(--ff-display); font-size: 1.2rem; color: var(--forest-deep); margin-bottom: 8px; }
.empty-state p { color: var(--muted); margin-bottom: 18px; }
.review-assign-card { background: var(--ivory-dark); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 18px 20px; margin-bottom: 13px; }
.review-card-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 14px; margin-bottom: 10px; }
.review-card-top h3 { font-family: var(--ff-body); font-size: 1rem; font-weight: 600; color: var(--forest-deep); }
.review-card-meta { font-family: var(--ff-ui); font-size: 12.5px; color: var(--muted); margin-bottom: 13px; }
.profile-form { max-width: 620px; }

/* ----------------------------------------------------------------
   ADMIN (WP back-end) ENHANCEMENTS
---------------------------------------------------------------- */
.sps-admin-wrap { font-family: var(--ff-ui); }
.sps-admin-wrap .page-title-action { margin-left: 8px; }

/* ----------------------------------------------------------------
   PAGE HEADER
---------------------------------------------------------------- */
.page-hero { background: var(--forest-deep); color: var(--ivory); padding: 40px 0; }
.page-hero-breadcrumb { display: flex; align-items: center; gap: 7px; font-family: var(--ff-ui); font-size: 12px; color: rgba(248,244,237,.4); margin-bottom: 12px; }
.page-hero-breadcrumb a { color: inherit; } .page-hero-breadcrumb a:hover { color: var(--copper); }
.page-hero-title { font-family: var(--ff-display); font-size: clamp(1.8rem,4vw,2.8rem); font-weight: 700; color: var(--ivory); letter-spacing: -.02em; margin-bottom: 8px; }
.page-hero-sub { font-family: var(--ff-body); font-size: 1rem; color: rgba(248,244,237,.6); }

/* Generic page layout */
.page-content-wrap { display: grid; grid-template-columns: 1fr 280px; gap: 48px; padding: 48px 0; }
.prose { font-family: var(--ff-body); font-size: 1rem; line-height: 1.85; color: var(--text); }
.prose h2 { font-family: var(--ff-display); color: var(--forest-deep); font-size: 1.5rem; margin: 36px 0 14px; }
.prose h3 { font-family: var(--ff-display); color: var(--forest-deep); font-size: 1.2rem; margin: 28px 0 12px; }
.prose p { margin-bottom: 16px; }
.prose ul { list-style: disc; padding-left: 20px; margin-bottom: 16px; }
.prose li { margin-bottom: 5px; }

/* ----------------------------------------------------------------
   CTA STRIP
---------------------------------------------------------------- */
.cta-strip { background: var(--forest); padding: 68px 0; }
.cta-strip-inner { display: flex; align-items: center; justify-content: space-between; gap: 40px; flex-wrap: wrap; }
.cta-strip h2 { font-family: var(--ff-display); font-size: clamp(1.4rem,3vw,2rem); font-weight: 700; color: var(--ivory); letter-spacing: -.02em; margin-bottom: 8px; }
.cta-strip p { color: rgba(248,244,237,.68); font-size: .96rem; }
.cta-strip-actions { display: flex; gap: 14px; flex-shrink: 0; flex-wrap: wrap; }

/* ----------------------------------------------------------------
   REVIEW INVITATION PAGE
---------------------------------------------------------------- */
.review-invite-page { padding: 48px 0 80px; }
.review-invite-wrap { max-width: 760px; margin: 0 auto; }
.manuscript-preview { background: var(--ivory-dark); border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 20px 24px; margin: 20px 0; }
.manuscript-preview h3 { font-family: var(--ff-body); font-size: 1.1rem; font-weight: 600; color: var(--forest-deep); margin-bottom: 10px; }
.score-row { margin-bottom: 18px; }
.score-row label { display: block; font-family: var(--ff-ui); font-size: 13px; font-weight: 600; color: var(--text); margin-bottom: 8px; }
.score-btns { display: flex; gap: 6px; }
.score-btn { width: 40px; height: 40px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); background: none; font-family: var(--ff-ui); font-size: 14px; font-weight: 700; cursor: pointer; color: var(--muted); transition: all var(--transition); }
.score-btn:hover { border-color: var(--forest); color: var(--forest); }
.score-btn.selected { background: var(--forest); border-color: var(--forest); color: #fff; }
.score-note { font-family: var(--ff-ui); font-size: 11px; color: var(--muted); margin-top: 4px; }
.accept-decline-btns { display: flex; gap: 12px; margin-top: 22px; }

/* ----------------------------------------------------------------
   LOGIN PAGE
---------------------------------------------------------------- */
.login-page { min-height: 60vh; display: flex; align-items: center; justify-content: center; padding: 60px 20px; }
.login-box { background: var(--white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px; width: 100%; max-width: 420px; box-shadow: var(--shadow-md); }
.login-box-logo { text-align: center; margin-bottom: 28px; color: var(--forest); }

/* ----------------------------------------------------------------
   LOADING SPINNER
---------------------------------------------------------------- */
.spinner { display: inline-block; width: 18px; height: 18px; border: 2.5px solid rgba(255,255,255,.35); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
.spinner-dark { border-color: rgba(13,43,30,.2); border-top-color: var(--forest); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ----------------------------------------------------------------
   RESPONSIVE
---------------------------------------------------------------- */
@media (max-width: 1100px) {
  .hero-grid { grid-template-columns: 1fr 320px; gap: 44px; }
  .article-layout { grid-template-columns: 170px 1fr 230px; gap: 28px; }
  .feature-grid { grid-template-columns: repeat(2,1fr); }
  .paper-grid { grid-template-columns: repeat(2,1fr); }
}
@media (max-width: 900px) {
  :root { --section-spacing: 60px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .article-layout { grid-template-columns: 1fr; display: flex; flex-direction: column; }
  .article-sidebar { display: none; }
  .article-sidebar-right { position: static; }
  .article-sidebar { display: none; }
  .browse-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; }
  .dashboard-layout { grid-template-columns: 1fr; }
  .dashboard-nav { position: static; display: flex; flex-wrap: wrap; }
  .dashboard-nav a { flex: 1; min-width: 120px; }
  .submission-layout { grid-template-columns: 1fr; }
  .page-content-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 640px) {
  .hamburger { display: flex; }
  .primary-nav { display: none; position: fixed; top: 102px; left: 0; right: 0; background: #0a2219; padding: 16px; flex-direction: column; align-items: flex-start; gap: 4px; z-index: 890; }
  .primary-nav.open { display: flex; }
  .nav-list { flex-direction: column; width: 100%; }
  .nav-list a { display: block; padding: 11px 14px; font-size: 15px; }
  .paper-grid { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .form-row { grid-template-columns: 1fr; }
  .form-row.three { grid-template-columns: 1fr; }
  .step-bar { flex-wrap: wrap; gap: 10px; justify-content: center; }
  .step-line { display: none; }
  .cta-strip-inner { flex-direction: column; text-align: center; }
  .dashboard-stats { gap: 24px; justify-content: center; }
}
@media print {
  .topbar, .site-header, .site-footer, .article-sidebar, .article-actions, .share-col { display: none !important; }
  .article-layout { grid-template-columns: 1fr; display: flex; flex-direction: column; }
  .article-sidebar { display: none; }
  .article-sidebar-right { position: static; }
  .article-full-text { font-size: 11pt; }
}

/* ═══════════════════════════════════════════════════════════════
   ADDITIONS v2.5 — non-destructive additions to original CSS
   No overrides of original selectors. New selectors only.
═══════════════════════════════════════════════════════════════ */

/* Paper content blocks */
.paper-section { margin-bottom: 32px; }
.paper-section-title { font-family: var(--ff-display); font-size: 1.35rem; font-weight: 700; color: var(--forest-deep); padding-bottom: 10px; border-bottom: 2px solid var(--forest); margin-bottom: 18px; }
.paper-subsection { margin: 24px 0 20px; }
.paper-sub-title { font-family: var(--ff-display); font-size: 1.1rem; font-weight: 600; color: var(--forest-mid); margin-bottom: 12px; }
.paper-figure { margin: 30px 0; text-align: center; background: var(--white); padding: 20px; border: 1px solid var(--border-light); border-radius: var(--radius-md); }
.paper-figure img { max-width: 100%; height: auto; border-radius: var(--radius-sm); }
.paper-figure figcaption { font-size: .88rem; color: var(--muted); margin-top: 12px; line-height: 1.55; text-align: left; }
.paper-figure figcaption strong { color: var(--forest-deep); }
.paper-table-wrap { margin: 30px 0; overflow-x: auto; border: 1px solid var(--border-light); border-radius: var(--radius-md); }
.paper-table-caption { padding: 12px 18px; font-size: .9rem; background: var(--ivory-dark); border-bottom: 1px solid var(--border-light); }
.paper-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.paper-table th, .paper-table td { padding: 10px 14px; text-align: left; border-bottom: 1px solid var(--border-light); }
.paper-table th { background: var(--ivory-dark); font-weight: 600; color: var(--forest-deep); }
.paper-equation { margin: 24px 0; padding: 18px; background: #f5f3ff; border-radius: var(--radius-sm); text-align: center; position: relative; }
.paper-equation .eq-label { position: absolute; right: 18px; top: 50%; transform: translateY(-50%); color: var(--muted); font-size: .85rem; }
.paper-callout { margin: 24px 0; padding: 16px 22px; border-radius: var(--radius-sm); border-left: 4px solid var(--forest); }
.paper-callout .callout-title { font-weight: 700; margin-bottom: 6px; color: var(--forest-deep); }
.paper-callout.callout-amber { background: #fef3c7; border-left-color: #f59e0b; }
.paper-callout.callout-blue { background: #dbeafe; border-left-color: #3b82f6; }
.paper-callout.callout-green { background: #dcfce7; border-left-color: #059669; }
.paper-callout.callout-red { background: #fee2e2; border-left-color: #dc2626; }
.paper-quote { border-left: 4px solid var(--forest); padding: 12px 20px; margin: 20px 0; font-style: italic; background: var(--ivory-dark); border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.paper-quote .quote-source { display: block; margin-top: 8px; font-size: .85rem; color: var(--muted); font-style: normal; }
.paper-list { margin: 16px 0 16px 24px; line-height: 1.8; }
.paper-code { background: #1f2937; color: #f9fafb; padding: 16px 18px; border-radius: var(--radius-sm); overflow-x: auto; font-family: var(--ff-mono); font-size: .85rem; margin: 20px 0; }

/* Corresponding author tooltip */
.corr-tooltip { position: relative; cursor: pointer; }
.corr-tooltip::after { content: attr(data-email); position: absolute; bottom: calc(100% + 8px); left: 50%; transform: translateX(-50%); background: var(--forest-deep); color: #fff; padding: 6px 12px; border-radius: 6px; font-size: 12px; font-family: var(--ff-ui); white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 10; }
.corr-tooltip:hover::after, .corr-tooltip.show-email::after { opacity: 1; }
.corr-tooltip::before { content: ''; position: absolute; bottom: calc(100% + 2px); left: 50%; transform: translateX(-50%); border: 5px solid transparent; border-top-color: var(--forest-deep); opacity: 0; transition: opacity .2s; }
.corr-tooltip:hover::before, .corr-tooltip.show-email::before { opacity: 1; }

/* Floating TOC for paper page v2 layout */
.article-layout-v2 { display: grid; grid-template-columns: 1fr 300px; gap: 48px; align-items: start; max-width: 1200px; margin: 0 auto; }
.article-main-v2 { max-width: 780px; }
.article-aside-v2 { position: sticky; top: 80px; display: flex; flex-direction: column; gap: 16px; }
.toc-floating { position: sticky; top: 70px; z-index: 50; margin: 0 0 28px; }
.toc-floating-btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 18px; background: var(--forest-deep); color: var(--ivory); border-radius: var(--radius-full); font-family: var(--ff-ui); font-size: 13px; font-weight: 600; cursor: pointer; box-shadow: 0 2px 12px rgba(0,0,0,.1); list-style: none; }
.toc-floating-btn:hover { background: var(--forest-mid); }
.toc-floating-btn::-webkit-details-marker { display: none; }
.toc-floating-panel { position: absolute; top: calc(100% + 8px); left: 0; background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 16px 20px; min-width: 260px; max-height: 400px; overflow-y: auto; box-shadow: var(--shadow-lg); z-index: 100; }
.toc-floating-panel .toc-list { list-style: none; padding: 0; margin: 0; }
.toc-floating-panel .toc-list a { display: block; padding: 7px 12px; font-family: var(--ff-ui); font-size: 13px; color: var(--text); border-radius: var(--radius-xs); border-left: 2px solid transparent; text-decoration: none; }
.toc-floating-panel .toc-list a:hover { background: var(--ivory-dark); color: var(--forest-mid); }
.toc-floating-panel .toc-list a.active { background: var(--ivory-dark); color: var(--forest-mid); border-left-color: var(--copper); font-weight: 600; }
.article-aside-v2 .article-info-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius-md); padding: 20px 22px; box-shadow: var(--shadow); }
.article-aside-v2 .info-card-title { font-family: var(--ff-ui); font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .1em; color: var(--muted); padding-bottom: 10px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.article-aside-v2 .share-item { display: block; padding: 10px 14px; background: var(--ivory); border: 1px solid var(--border); border-radius: var(--radius-sm); text-align: center; font-size: 13px; font-weight: 600; color: var(--forest-deep); text-decoration: none; margin-bottom: 6px; transition: all .15s; }
.article-aside-v2 .share-item:hover { background: var(--forest); color: var(--ivory); }

/* Extra files grid on submission form */
.extra-files-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 14px; }
.extra-file-card { border: 1px solid var(--border); border-radius: var(--radius-sm); padding: 14px; background: var(--ivory-dark); }
.extra-file-card.has-file { border-color: var(--forest-mid); background: #f0f7f3; }
.extra-file-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 6px; }
.extra-file-head strong { font-size: 13px; color: var(--forest-deep); }
.extra-file-status { font-size: 11px; color: var(--forest-mid); font-weight: 600; }
.extra-file-desc { font-size: 12px; color: var(--muted); margin: 0 0 10px; }
.extra-file-btn { display: inline-flex; padding: 6px 14px; font-size: 12px; font-weight: 600; background: #fff; border: 1px solid var(--border); border-radius: 4px; cursor: pointer; }
.extra-file-btn:hover { background: var(--forest-mid); color: #fff; border-color: var(--forest-mid); }

/* Author drag handle */
.author-drag-handle { display: inline-flex; align-items: center; justify-content: center; width: 28px; height: 28px; color: var(--forest-mid); cursor: grab; border-radius: 4px; margin-right: 10px; background: rgba(45,90,61,.08); border: 1px solid rgba(45,90,61,.15); }
.author-drag-handle:hover { background: var(--forest-mid); color: #fff; }
.author-drag-handle:active { cursor: grabbing; }
.author-entry.dragging { opacity: .5; }
.author-drag-hint { font-size: 12px; color: var(--muted); background: #fef3c7; border-left: 3px solid #f59e0b; padding: 8px 12px; border-radius: 4px; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }

/* Footer social links */
.footer-socials { display: flex; gap: 10px; margin-top: 18px; }
.footer-social-link { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(248,244,237,.08); color: rgba(248,244,237,.75); transition: all .2s; }
.footer-social-link:hover { background: var(--copper); color: #fff; }
.footer-address { font-size: 13px; color: rgba(248,244,237,.65); margin-top: 14px; }
.footer-legal-menu { display: flex; gap: 18px; font-size: 12px; list-style: none; padding: 0; margin: 0; }
.footer-legal-menu a { color: rgba(248,244,237,.5); }
.topbar-menu { display: flex; gap: 14px; list-style: none; padding: 0; margin: 0; }
.topbar-menu a { color: rgba(248,244,237,.75); font-size: 12px; }
.header-cta { margin-left: 6px; }
.hamburger span, body .hamburger span { background: var(--ivory, #f8f4ed) !important; }

/* OA fee notice */
.oa-fee-notice { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: var(--radius-md); padding: 18px 22px; margin: 16px 0; }

/* Mobile paper fix */
@media (max-width: 960px) {
    .article-layout-v2 { grid-template-columns: 1fr; gap: 24px; }
    .article-aside-v2 { position: static; }
    .toc-floating { position: static; margin-bottom: 20px; }
}
@media (max-width: 860px) {
    .article-layout-v2, body .article-layout-v2 { display: block !important; }
    .article-layout-v2 > *, .article-main-v2, .article-aside-v2, #toc-floating { position: static !important; width: 100% !important; max-width: 100% !important; float: none !important; }
    #toc-floating, .toc-floating { margin: 0 0 20px !important; }
    .extra-files-grid { grid-template-columns: 1fr; }
    .hamburger { display: flex !important; }
    .topbar { display: block !important; }
}
@media (max-width: 480px) {
    .topbar-inner { flex-direction: column; gap: 4px; padding: 8px 0; text-align: center; height: auto; }
}

/* Print */
@media print {
    .site-header, .site-footer, .topbar, .article-sidebar, .article-aside-v2, .toc-floating { display: none !important; }
    .article-layout-v2 { display: block !important; }
}

/* ═══════════════════════════════════════════════════════════════
   PATCH v2.6 — Register / Login / Subject / TOC fixes
   ═══════════════════════════════════════════════════════════════ */

/* TOC floating close button on mobile */
@media (max-width: 900px) {
  .toc-floating-panel { max-height: 70vh; overflow-y: auto; }
  .toc-floating[open] { z-index: 200; }
  .toc-floating summary { user-select: none; }
}

/* Alert boxes */
.alert { display: flex; align-items: flex-start; gap: 10px; padding: 14px 16px; border-radius: 8px; font-size: 14px; line-height: 1.6; margin-bottom: 16px; }
.alert-error { background: #fef2f2; border: 1px solid #fecaca; color: #991b1b; }
.alert-success { background: #f0fdf4; border: 1px solid #bbf7d0; color: #166534; }
.alert-info { background: #eff6ff; border: 1px solid #bfdbfe; color: #1e40af; }

/* Short URL display on article page */
.cite-apa { font-family: var(--ff-mono); font-size: 13px; background: var(--ivory-dark); border: 1px solid var(--border); border-radius: 6px; padding: 14px 16px; line-height: 1.7; word-break: break-word; }

/* Responsive TOC floating panel */
.toc-floating-btn svg { transition: transform .2s; }
.toc-floating[open] .toc-floating-btn svg { transform: rotate(180deg); }

/* Subject taxonomy page - article breadcrumb on dark bg */
.subject-hero .article-breadcrumb a { color: rgba(248,244,237,.7); }
.subject-hero .article-breadcrumb a:hover { color: var(--ivory); }
.subject-hero .article-breadcrumb span { color: var(--ivory); }
.subject-hero .article-breadcrumb svg { stroke: rgba(248,244,237,.4); }

/* Registration page form improvements */
.form-control:focus { outline: none; border-color: var(--forest-mid); box-shadow: 0 0 0 3px rgba(45,90,61,.1); }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--forest-mid); color: var(--forest-mid); background: rgba(45,90,61,.04); }
.btn-success { background: #16a34a; color: #fff; }
.btn-success:hover { background: #15803d; }

/* Password strength indicator */
#pass-strength { transition: opacity .2s; }

/* Login page input with icon */
.input-with-icon { position: relative; }
.input-with-icon .form-control { padding-left: 40px; }