/* 实学网 Practica — 科研与产业对接平台样式 */

:root {
  --bg: #faf9f7;
  --surface: #ffffff;
  --primary: #3b5cc7;
  --primary-dark: #2d48a8;
  --text: #1a1a2e;
  --text-secondary: #5f6b7a;
  --border: #e6e3df;
  --success: #0d9488;
  --warning: #e8860c;
  --error: #dc2626;
  --radius: 10px;
  --shadow: 0 2px 8px rgba(0,0,0,.04), 0 1px 3px rgba(0,0,0,.05);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
  font-size: 15px;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

.container { max-width: 960px; margin: 0 auto; padding: 0 20px; }

/* Navbar */
.navbar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 12px 0;
  position: sticky; top: 0; z-index: 100;
}
.navbar .container { display: flex; align-items: center; justify-content: space-between; }
.logo {
  font-size: 20px; font-weight: 700; color: var(--primary);
  text-decoration: none; letter-spacing: -0.5px;
}
.nav-links { display: flex; align-items: center; gap: 20px; font-size: 14px; }
.nav-links a { color: var(--text-secondary); text-decoration: none; }
.nav-links a:hover { color: var(--primary); }
.nav-user { color: var(--text); font-weight: 600; }

/* Flash messages */
.flash {
  text-align: center; padding: 10px 20px; font-size: 14px;
  border-bottom: 1px solid var(--border);
}
.flash.success { background: #ecfdf5; color: var(--success); }
.flash.error { background: #fef2f2; color: var(--error); }
.flash.info { background: #eff6ff; color: var(--primary); }

/* Hero */
.hero {
  text-align: center; padding: 64px 0 44px;
}
.hero h1 { font-size: 38px; font-weight: 800; letter-spacing: -1px; margin-bottom: 12px; }
.hero .subtitle { font-size: 17px; color: var(--text-secondary); margin-bottom: 16px; line-height: 1.7; }
.hero-tagline { font-size: 14px; color: var(--primary); font-weight: 500; margin-bottom: 32px; }

/* Search */
.search-box, .search-bar {
  display: flex; gap: 8px; max-width: 600px; margin: 0 auto;
}
.search-box input, .search-bar input {
  flex: 1; padding: 10px 16px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 15px; outline: none;
}
.search-box input:focus, .search-bar input:focus { border-color: var(--primary); }
.search-box button, .search-bar button {
  padding: 10px 24px; background: var(--primary); color: #fff;
  border: none; border-radius: var(--radius); font-size: 15px; cursor: pointer;
}
.search-box button:hover { background: var(--primary-dark); }
.search-bar select {
  padding: 10px 12px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 14px; background: #fff; outline: none;
}

/* Stats */
.stats-bar {
  display: flex; justify-content: center; gap: 48px;
  padding: 16px 0 32px; color: var(--text-secondary); font-size: 14px;
}
.stat strong { color: var(--text); font-size: 28px; display: block; }

/* Home grid */
.home-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 32px;
  margin-bottom: 32px;
}
@media (max-width: 700px) { .home-grid { grid-template-columns: 1fr; } }

/* Paper cards */
.paper-section h2 {
  font-size: 18px; font-weight: 700; margin-bottom: 16px;
  padding-bottom: 8px; border-bottom: 2px solid var(--primary);
}
.paper-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 14px;
  box-shadow: var(--shadow); transition: box-shadow 0.2s;
}
.paper-card:hover { box-shadow: 0 4px 16px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04); }
.paper-card h3 { font-size: 16px; margin-bottom: 4px; }
.paper-card h3 a { color: var(--text); text-decoration: none; }
.paper-card h3 a:hover { color: var(--primary); }
.paper-card .meta { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.abstract-preview { font-size: 14px; color: var(--text-secondary); line-height: 1.5; }
.card-footer {
  display: flex; justify-content: space-between; margin-top: 10px;
  font-size: 12px; color: var(--text-secondary);
}
.hash-fingerprint { font-family: "SF Mono", "Consolas", monospace; }

/* Field tags */
.fields-section { margin-bottom: 48px; }
.fields-section h2 { font-size: 18px; font-weight: 700; margin-bottom: 12px; }
.field-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.field-tag {
  padding: 6px 14px; background: var(--surface); border: 1px solid var(--border);
  border-radius: 20px; font-size: 13px; color: var(--text); text-decoration: none;
}
.field-tag:hover { border-color: var(--primary); color: var(--primary); }
.field-tag span { color: var(--text-secondary); }

/* Paper detail */
.paper-detail { padding-top: 24px; }
.breadcrumb { font-size: 13px; color: var(--text-secondary); margin-bottom: 20px; }
.breadcrumb a { color: var(--text-secondary); text-decoration: none; }
.paper-detail h1 { font-size: 28px; font-weight: 800; margin-bottom: 16px; line-height: 1.3; }
.paper-meta { font-size: 14px; color: var(--text-secondary); margin-bottom: 24px; }
.meta-line { margin-bottom: 4px; }
.keyword-tag {
  display: inline-block; padding: 1px 8px; background: #eff6ff;
  border-radius: 10px; font-size: 12px; color: var(--primary); margin-right: 4px;
}
.abstract-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 24px;
}
.abstract-box h3 { font-size: 15px; margin-bottom: 8px; }

/* Image Gallery & Video */
.media-section { margin-bottom: 24px; }
.image-gallery { display: grid; gap: 8px; margin-bottom: 16px; }
.image-gallery.image-count-1 { grid-template-columns: 1fr; max-width: 600px; }
.image-gallery.image-count-2 { grid-template-columns: repeat(2, 1fr); }
.image-gallery.image-count-3 { grid-template-columns: repeat(3, 1fr); }
.image-gallery:not(.image-count-1):not(.image-count-2):not(.image-count-3) { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); }
.gallery-thumb {
  display: block; overflow: hidden; border-radius: var(--radius);
  border: 1px solid var(--border); aspect-ratio: 4/3;
}
.gallery-thumb img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.3s;
}
.gallery-thumb:hover img { transform: scale(1.05); }
.video-embed {
  position: relative; padding-bottom: 56.25%; height: 0; overflow: hidden;
  border-radius: var(--radius); border: 1px solid var(--border);
}
.video-embed iframe {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  border: 0;
}

.action-bar {
  display: flex; align-items: center; gap: 16px; margin-bottom: 24px;
}
.file-info { font-size: 13px; color: var(--text-secondary); }

/* Buttons */
.btn-primary {
  display: inline-block; padding: 11px 26px; background: var(--primary);
  color: #fff; border: none; border-radius: var(--radius); font-size: 15px;
  text-decoration: none; cursor: pointer; font-weight: 600;
  transition: background 0.15s;
}
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary {
  display: inline-block; padding: 11px 26px; background: var(--surface);
  color: var(--primary); border: 1px solid var(--primary); border-radius: var(--radius);
  font-size: 15px; text-decoration: none; cursor: pointer; font-weight: 600;
  transition: background 0.15s;
}
.btn-secondary:hover { background: #f0f4ff; }
.btn-danger {
  display: inline-block; padding: 11px 26px; background: #dc2626;
  color: #fff; border: 1px solid #dc2626; border-radius: var(--radius);
  font-size: 15px; text-decoration: none; cursor: pointer; font-weight: 600;
  transition: background 0.15s;
}
.btn-danger:hover { background: #b91c1c; }

/* Certificate — digital copyright */
.certificate {
  border: 2px solid var(--primary); border-radius: 12px; overflow: hidden;
  margin-bottom: 32px; box-shadow: 0 4px 12px rgba(26,86,219,.10);
}
.cert-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
}
.cert-header h3 { font-size: 17px; margin: 0; color: #fff; }
.cert-badge {
  background: rgba(255,255,255,.2); padding: 3px 12px; border-radius: 20px;
  font-size: 13px; font-weight: 600;
}
.cert-body { padding: 4px 0; }
.cert-row {
  display: grid; grid-template-columns: 180px 1fr; gap: 12px; align-items: baseline;
  padding: 14px 20px; border-bottom: 1px solid var(--border); font-size: 14px;
}
.cert-row:last-of-type { border-bottom: none; }
.cert-label {
  font-weight: 600; color: var(--text-secondary); font-size: 13px;
}
.cert-value { color: var(--text); word-break: break-all; }
.cert-value.mono { font-family: "SF Mono", "Consolas", "Menlo", monospace; font-size: 13px; }
.cert-value.hash {
  background: #f8fafc; padding: 4px 8px; border-radius: 4px; letter-spacing: -0.3px;
}
.cert-footer {
  padding: 12px 20px; background: #f8fafc; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-secondary); line-height: 1.6;
}

/* Comments */
.comments-section { margin-bottom: 48px; }
.comments-section h3 { font-size: 18px; margin-bottom: 16px; }
.comment-form { margin-bottom: 24px; }
.comment-form textarea {
  width: 100%; padding: 10px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 14px; font-family: inherit;
  resize: vertical; margin-bottom: 8px; outline: none;
}
.comment-form textarea:focus { border-color: var(--primary); }

.comment {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px; margin-bottom: 12px;
}
.comment.reply { margin-left: 32px; background: #f8fafc; }
.comment-header { font-size: 14px; margin-bottom: 4px; }
.comment-time { color: var(--text-secondary); font-size: 12px; margin-left: 8px; }
.comment-body { font-size: 14px; line-height: 1.5; }

.reply-form {
  display: flex; gap: 8px; margin-top: 8px;
}
.reply-form input {
  flex: 1; padding: 6px 10px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 13px; outline: none;
}
.reply-form input:focus { border-color: var(--primary); }
.reply-form button {
  padding: 6px 14px; background: var(--primary); color: #fff;
  border: none; border-radius: var(--radius); font-size: 13px; cursor: pointer;
}

/* Forms */
.form-page { max-width: 600px; margin: 40px auto; }
.form-page h1 { font-size: 28px; font-weight: 800; margin-bottom: 8px; }
.form-desc { color: var(--text-secondary); margin-bottom: 24px; font-size: 14px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border);
  border-radius: var(--radius); font-size: 14px; font-family: inherit;
  outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--primary);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { display: block; font-size: 12px; color: var(--text-secondary); margin-top: 4px; }
.form-switch { text-align: center; margin-top: 20px; font-size: 14px; color: var(--text-secondary); }
.form-switch a { color: var(--primary); }

/* Auth forms */
.auth-form { max-width: 400px; margin: 0 auto; }
.auth-form button { width: 100%; margin-top: 8px; }

/* Paper list */
.paper-list-page { padding-top: 24px; }
.paper-list-page h1 { font-size: 28px; font-weight: 800; margin-bottom: 20px; }
.search-info { color: var(--text-secondary); margin: 12px 0; font-size: 14px; }
.empty {
  text-align: center; color: var(--text-secondary);
  padding: 40px 0; font-size: 15px;
}

/* Footer */
footer {
  text-align: center; padding: 24px 0; border-top: 1px solid var(--border);
  font-size: 13px; color: var(--text-secondary); margin-top: 48px;
}
.footer-origin { margin-top: 8px; font-size: 12px; color: var(--text-secondary); opacity: 0.8; }
.footer-contact { margin-top: 6px; }
.footer-contact a { color: var(--primary); text-decoration: none; }
.footer-contact a:hover { text-decoration: underline; }

/* Verify page */
.verify-form {
  margin-bottom: 32px;
}
.verify-result {
  border-radius: 12px; padding: 24px; margin-bottom: 32px;
  text-align: center;
}
.verify-result.match {
  background: #ecfdf5; border: 1px solid var(--success);
}
.verify-result.no-match {
  background: #fef2f2; border: 1px solid var(--error);
}
.result-icon {
  font-size: 48px; margin-bottom: 8px;
}
.verify-result.match .result-icon { color: var(--success); }
.verify-result.no-match .result-icon { color: var(--error); }
.verify-result h3 { margin-bottom: 16px; }
.result-details {
  text-align: left; background: var(--surface); border-radius: var(--radius);
  padding: 16px; margin-bottom: 16px;
}
.result-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; font-size: 14px;
}
.result-row + .result-row { border-top: 1px solid var(--border); }
.result-row code.hash {
  font-size: 12px; background: #f8fafc; padding: 4px 8px;
  border-radius: 4px; max-width: 420px; overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}
.result-match { text-align: left; }
.result-match h4 { margin-bottom: 8px; }
.result-note {
  margin-top: 8px; font-size: 13px; color: var(--success); font-weight: 600;
}
.result-no-match p { margin-bottom: 8px; }
.verify-info {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.verify-info h3 { font-size: 15px; margin-bottom: 8px; }
.verify-info p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 8px; }

/* Researcher timeline */
.timeline {
  position: relative; padding-left: 32px; margin-top: 24px;
}
.timeline::before {
  content: ''; position: absolute; left: 8px; top: 0; bottom: 0;
  width: 2px; background: var(--border);
}
.timeline-item {
  position: relative; margin-bottom: 24px;
}
.timeline-dot {
  position: absolute; left: -28px; top: 18px;
  width: 12px; height: 12px; border-radius: 50%;
  background: var(--primary); border: 2px solid var(--surface);
  box-shadow: 0 0 0 2px var(--primary);
}
.timeline-date {
  font-size: 13px; color: var(--text-secondary); margin-bottom: 8px;
  font-weight: 600;
}

/* Research info cards */
.research-info {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px; margin-bottom: 24px;
}
.info-card {
  display: flex; gap: 12px; align-items: flex-start;
  padding: 16px; border-radius: var(--radius); border: 1px solid var(--border);
  background: var(--surface);
}
.info-icon {
  font-size: 20px; width: 36px; height: 36px; display: flex;
  align-items: center; justify-content: center; border-radius: 50%;
  flex-shrink: 0;
}
.stage-card .info-icon { background: #eff6ff; }
.seeking-card .info-icon { background: #fef3c7; }
.app-card .info-icon { background: #ecfdf5; }
.contact-card .info-icon { background: #fdf4ff; }
.info-label {
  display: block; font-size: 12px; color: var(--text-secondary);
  margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.5px;
}
.info-value { font-size: 14px; font-weight: 600; color: var(--text); }

.stage-badge, .seeking-badge {
  display: inline-block; padding: 2px 10px; border-radius: 12px;
  font-size: 13px; font-weight: 600;
}
.stage-badge.理论探索 { background: #f1f5f9; color: #475569; }
.stage-badge.实验验证 { background: #dbeafe; color: #1e40af; }
.stage-badge.原型完成 { background: #fef3c7; color: #92400e; }
.stage-badge.可产业化 { background: #d1fae5; color: #065f46; }
.stage-badge.已落地 { background: #ede9fe; color: #5b21b6; }

.seeking-badge.找合作 { background: #dbeafe; color: #1e40af; }
.seeking-badge.找投资 { background: #fef3c7; color: #92400e; }
.seeking-badge.找企业试用 { background: #d1fae5; color: #065f46; }
.seeking-badge.仅展示 { background: #f1f5f9; color: #475569; }

/* Stage filter in search */
.stage-filter {
  display: flex; flex-wrap: wrap; gap: 6px; margin: 12px 0 20px;
}
.stage-filter a {
  padding: 4px 12px; border-radius: 16px; font-size: 13px;
  text-decoration: none; border: 1px solid var(--border);
  color: var(--text-secondary); transition: all 0.15s;
}
.stage-filter a:hover, .stage-filter a.active {
  border-color: var(--primary); color: var(--primary);
  background: #eff6ff;
}
.stage-filter a .count {
  color: var(--text-secondary); font-size: 12px; margin-left: 2px;
}

/* Highlight sections */
.section-desc {
  font-size: 14px; color: var(--text-secondary); margin: -8px 0 16px;
}
.highlight-section {
  margin-bottom: 32px;
  padding: 24px;
  background: linear-gradient(135deg, #f0fdf4, #eff6ff);
  border-radius: 12px; border: 1px solid #bbf7d0;
}
.highlight-section h2 { color: var(--success); border-bottom-color: #bbf7d0; }
.app-direction {
  font-size: 13px; color: var(--success); font-weight: 600;
  margin: 4px 0; padding: 4px 8px; background: #ecfdf5;
  border-radius: 4px; display: inline-block;
}

/* Star button */
.btn-star {
  padding: 10px 18px; background: #fffbeb; border: 1px solid #fcd34d;
  border-radius: var(--radius); font-size: 14px; cursor: pointer;
  color: #92400e; font-weight: 600; white-space: nowrap;
}
.btn-star:hover { background: #fef3c7; }

/* Notification bell */
.notif-bell {
  position: relative;
}
.notif-count {
  position: absolute; top: -8px; right: -14px;
  background: var(--error); color: #fff; font-size: 11px;
  min-width: 18px; height: 18px; border-radius: 9px;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; padding: 0 4px;
}

/* Notification items */
.notif-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 16px; background: var(--surface);
  border: 1px solid var(--border); border-radius: var(--radius);
  margin-bottom: 8px; transition: background 0.15s;
}
.notif-item:hover { background: #f8fafc; }
.notif-item.unread { border-left: 3px solid var(--primary); background: #f8faff; }
.notif-icon {
  font-size: 22px; width: 40px; height: 40px; display: flex;
  align-items: center; justify-content: center;
  background: #f1f5f9; border-radius: 50%; flex-shrink: 0;
}
.notif-body { flex: 1; }
.notif-msg { font-size: 14px; color: var(--text); margin-bottom: 2px; }
.notif-time { font-size: 12px; color: var(--text-secondary); }
.notif-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--primary);
  flex-shrink: 0;
}

/* Industry tag */
.industry-tag {
  display: inline-block; padding: 2px 10px; background: #ecfdf5;
  border-radius: 12px; font-size: 13px; font-weight: 600;
  color: #065f46; text-decoration: none;
}
.industry-tag:hover { background: #d1fae5; }

/* Verification badges */
.v-badge {
  display: inline-block; padding: 2px 8px; border-radius: 10px;
  font-size: 11px; font-weight: 700; vertical-align: middle; margin-left: 4px;
}
.v-badge.level-0 { background: #f1f5f9; color: #94a3b8; }
.v-badge.level-1 { background: #dbeafe; color: #1e40af; }
.v-badge.level-2 { background: #fef3c7; color: #92400e; }
.v-badge.level-3 { background: #d1fae5; color: #065f46; }
.v-badge.level-4 { background: #ddd6fe; color: #4c1d95; }

.verification-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-bottom: 24px;
}
.verification-card h3 { font-size: 16px; margin-bottom: 12px; }
.v-level { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; }
.v-level .v-badge { margin-left: 0; font-size: 13px; padding: 3px 12px; }

.v-checklist { margin-bottom: 16px; }
.v-item {
  display: flex; align-items: center; gap: 8px; padding: 10px 0;
  border-bottom: 1px solid var(--border); font-size: 14px;
}
.v-item:last-child { border-bottom: none; }
.v-icon { width: 20px; text-align: center; font-size: 12px; }
.v-item.done .v-icon { color: var(--success); }
.v-item:not(.done) .v-icon { color: #cbd5e1; }
.v-action { margin-left: auto; font-size: 13px; color: var(--primary); }
.v-hint { margin-left: auto; font-size: 13px; color: var(--text-secondary); }
.v-note {
  font-size: 13px; color: var(--text-secondary); line-height: 1.6;
  padding-top: 8px; border-top: 1px solid var(--border);
}

/* Review system */
.review-summary {
  background: linear-gradient(135deg, #eff6ff, #f0fdf4);
  border: 1px solid var(--border); border-radius: 12px;
  padding: 24px; margin-bottom: 32px;
}
.summary-grid { display: flex; gap: 32px; align-items: center; }
.summary-main { text-align: center; min-width: 120px; }
.summary-score { font-size: 48px; font-weight: 800; color: var(--primary); line-height: 1; }
.summary-label { font-size: 13px; color: var(--text-secondary); margin: 4px 0; }
.summary-count { font-size: 13px; color: var(--text-secondary); }
.summary-dims { flex: 1; }
.dim {
  display: flex; align-items: center; gap: 8px; margin-bottom: 6px;
  font-size: 13px;
}
.dim > span:first-child { width: 70px; color: var(--text-secondary); }
.dim > span:last-child { width: 30px; text-align: right; font-weight: 600; }
.dim-bar {
  flex: 1; height: 6px; background: #e2e8f0; border-radius: 3px; overflow: hidden;
}
.dim-fill {
  display: block; height: 100%; background: var(--primary); border-radius: 3px;
  transition: width 0.3s;
}

/* Star rating */
.star-rating { direction: rtl; display: inline-flex; }
.star-rating input { display: none; }
.star-rating label {
  font-size: 24px; color: #d1d5db; cursor: pointer; transition: color 0.15s;
}
.star-rating input:checked ~ label,
.star-rating label:hover,
.star-rating label:hover ~ label { color: #f59e0b; }

.score-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 16px;
}
.score-item { display: flex; align-items: center; justify-content: space-between; }
.score-item > label { font-size: 13px; font-weight: 600; }

.review-form-toggle { margin-bottom: 20px; }
.review-form-toggle summary {
  font-size: 15px; font-weight: 600; cursor: pointer; padding: 8px 0;
  color: var(--primary);
}
.review-form {
  background: #f8fafc; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; margin-top: 8px;
}

.review-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px; margin-bottom: 12px;
}
.review-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.review-score-badge {
  font-size: 14px; font-weight: 700; color: var(--primary);
  background: #eff6ff; padding: 2px 10px; border-radius: 12px;
}
.review-scores {
  display: flex; gap: 12px; margin-bottom: 8px; font-size: 13px;
}
.review-scores span {
  background: #f1f5f9; padding: 2px 8px; border-radius: 4px;
}
.review-rec {
  display: inline-block; padding: 2px 10px; border-radius: 10px;
  font-size: 13px; font-weight: 600; margin-bottom: 8px;
}
.rec-strong_accept { background: #d1fae5; color: #065f46; }
.rec-accept { background: #dbeafe; color: #1e40af; }
.rec-weak_accept { background: #fef3c7; color: #92400e; }
.rec-neutral { background: #f1f5f9; color: #475569; }
.rec-reject { background: #fee2e2; color: #991b1b; }
.review-body {
  font-size: 14px; line-height: 1.6; color: var(--text);
  border-top: 1px solid var(--border); padding-top: 8px; margin-top: 8px;
}

@media (max-width: 700px) {
  .summary-grid { flex-direction: column; text-align: center; }
  .score-grid { grid-template-columns: 1fr; }
  .review-scores { flex-wrap: wrap; }
}

/* Intent badges */
.intent-card { border-left-color: var(--primary); }
.intent-card.intent-building { background: #eff6ff; border-color: #3b82f6; }
.intent-card.intent-planning { background: #fffbeb; border-color: #f59e0b; }
.intent-card.intent-seeking_guidance { background: #faf5ff; border-color: #a855f7; }
.intent-card.intent-seeking_partner { background: #fff7ed; border-color: #f97316; }
.intent-card.intent-open_license { background: #f0fdf4; border-color: #22c55e; }
.intent-card.intent-showcase { background: #f8fafc; border-color: #94a3b8; }
.intent-badge {
  display: inline-block; font-size: 13px; font-weight: 600;
  padding: 2px 10px; border-radius: 12px;
}
.intent-badge.building { background: #dbeafe; color: #1e40af; }
.intent-badge.planning { background: #fef3c7; color: #92400e; }
.intent-badge.seeking_guidance { background: #f3e8ff; color: #6b21a8; }
.intent-badge.seeking_partner { background: #fed7aa; color: #9a3412; }
.intent-badge.open_license { background: #dcfce7; color: #166534; }
.intent-badge.showcase { background: #e2e8f0; color: #475569; }

/* Alert subscription */
.alert-section { padding: 12px 0; }
.alert-option { display: block; padding: 8px 0; cursor: pointer; font-size: 14px; }
.alert-option input { margin-right: 8px; }
.field-check-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 6px; }
.field-check-item { display: flex; align-items: center; gap: 6px; font-size: 13px; padding: 6px 10px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; cursor: pointer; }
.field-check-item:hover { border-color: var(--primary); }
.field-check-item input { margin: 0; }

/* Founding badge */
.founding-badge {
  display: inline-block; background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #78350f; font-size: 11px; font-weight: 700; padding: 2px 8px;
  border-radius: 3px; vertical-align: middle; letter-spacing: 0.5px;
}

/* Empty State */
.empty-state-hero {
  background: linear-gradient(135deg, #f0f4ff 0%, #fafbfc 100%);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 48px 32px;
  margin-bottom: 24px;
  text-align: center;
}
.empty-state-hero h2 {
  font-size: 28px; margin-bottom: 12px; color: var(--text);
}
.empty-state-lead {
  font-size: 16px; color: var(--text-secondary); max-width: 640px;
  margin: 0 auto 36px; line-height: 1.7;
}
.value-props {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px; text-align: left; margin-bottom: 40px;
}
.value-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 28px 24px;
  box-shadow: var(--shadow);
}
.value-card .value-icon { font-size: 28px; margin-bottom: 8px; }
.value-card h3 {
  font-size: 18px; margin-bottom: 8px; color: var(--primary);
}
.value-card p {
  font-size: 14px; color: var(--text-secondary); line-height: 1.7;
  margin-bottom: 8px;
}
.value-card p:last-of-type { margin-bottom: 16px; }
.value-card .btn-primary, .value-card .btn-secondary {
  display: inline-block; padding: 8px 20px; border-radius: var(--radius);
  font-size: 14px; text-decoration: none; font-weight: 600;
}
.value-card .btn-primary {
  background: var(--primary); color: #fff; border: none;
}
.value-card .btn-primary:hover { background: var(--primary-dark); }
.value-card .btn-secondary {
  background: var(--surface); color: var(--primary); border: 1px solid var(--primary);
}
.value-card .btn-secondary:hover { background: #f0f4ff; }

.platform-principles { text-align: left; }
.platform-principles h3 {
  font-size: 18px; margin-bottom: 16px; color: var(--text);
}
.principles-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px;
}
.principle {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.principle strong {
  display: block; font-size: 15px; margin-bottom: 4px;
  color: var(--primary);
}
.principle span {
  font-size: 13px; color: var(--text-secondary); line-height: 1.6;
}

@media (max-width: 600px) {
  .empty-state-hero { padding: 32px 16px; }
  .empty-state-hero h2 { font-size: 22px; }
  .value-props { grid-template-columns: 1fr; }
  .principles-grid { grid-template-columns: 1fr; }
}

/* AI Review banner */
.review-banner {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  padding: 12px 20px; border-radius: var(--radius); margin-bottom: 16px;
  font-size: 14px;
}
.review-banner-badge {
  font-weight: 700; font-size: 13px; padding: 4px 12px; border-radius: 4px;
}
.review-banner.review-passed {
  background: #f0fdf4; border: 1px solid #86efac;
}
.review-banner.review-passed .review-banner-badge {
  background: #22c55e; color: #fff;
}
.review-banner.review-fair {
  background: #fefce8; border: 1px solid #fde047;
}
.review-banner.review-fair .review-banner-badge {
  background: #eab308; color: #fff;
}
.review-banner.review-suspect {
  background: #fff7ed; border: 1px solid #fdba74;
}
.review-banner.review-suspect .review-banner-badge {
  background: #f97316; color: #fff;
}
.review-banner.review-flagged {
  background: #fef2f2; border: 1px solid #fca5a5;
}
.review-banner.review-flagged .review-banner-badge {
  background: #ef4444; color: #fff;
}
.review-banner-score { font-weight: 600; color: var(--text); }
.review-banner-note {
  flex-basis: 100%; font-size: 13px; color: var(--text-secondary);
  line-height: 1.5;
}
@media (max-width: 600px) {
  .review-banner { flex-direction: column; align-items: flex-start; gap: 6px; }
}

/* Fork chain */
.fork-chain {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px; margin-bottom: 24px;
}
.fork-chain h3 { font-size: 17px; margin-bottom: 12px; }
.fork-parent-info, .fork-child {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  padding: 8px 0; border-bottom: 1px solid var(--border);
}
.fork-child:last-child { border-bottom: none; }
.fork-label {
  font-size: 12px; font-weight: 600; background: #ede9fe; color: #6b21a8;
  padding: 2px 8px; border-radius: 4px; white-space: nowrap;
}
.fork-meta { font-size: 13px; color: var(--text-secondary); }
.fork-children { margin-top: 8px; padding-left: 20px; border-left: 3px solid var(--border); }
.fork-action {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 20px; background: #f8fafc; border: 1px dashed var(--border);
  border-radius: var(--radius); margin-bottom: 24px; flex-wrap: wrap;
}
.fork-action .fork-hint { font-size: 12px; color: var(--text-secondary); }
.fork-notice {
  background: #faf5ff; border: 1px solid #d8b4fe; border-radius: var(--radius);
  padding: 20px; margin-bottom: 24px;
}
.fork-notice h3 { font-size: 17px; color: #6b21a8; margin-bottom: 8px; }
.fork-parent {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 16px; margin: 8px 0;
}
.fork-parent strong { display: block; margin-bottom: 2px; }
.fork-parent span { font-size: 13px; color: var(--text-secondary); }

/* Version timeline */
.version-timeline {
  border-left: 3px solid var(--primary);
  margin-left: 8px;
  padding-left: 20px;
}
.version-item {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 10px 0;
  margin-bottom: 4px;
}
.version-item::before {
  content: '';
  position: absolute;
  left: -25px;
  top: 16px;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border);
  border: 2px solid #fff;
}
.version-item.version-current::before {
  background: var(--primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.2);
}
.version-number {
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: #eef2ff;
  padding: 2px 8px;
  border-radius: 4px;
  white-space: nowrap;
  margin-right: 8px;
}
.version-info {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.version-title {
  font-weight: 500;
  color: var(--text);
  text-decoration: none;
}
.version-title:hover { color: var(--primary); }
.version-current-tag {
  font-size: 11px;
  background: var(--primary);
  color: #fff;
  padding: 1px 6px;
  border-radius: 3px;
}
.fork-hint { font-size: 13px; color: var(--text-secondary); margin-top: 8px; }

/* Pledge pages */
.pledge-page { max-width: 720px; }
.pledge-content {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 32px; margin-bottom: 24px;
}
.pledge-content h2 { font-size: 17px; margin-bottom: 20px; color: var(--text); }
.pledge-list { padding-left: 24px; }
.pledge-list li { margin-bottom: 20px; }
.pledge-list li strong { display: block; font-size: 15px; margin-bottom: 4px; }
.pledge-list li p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; }
.pledge-footer {
  background: #fef3c7; border: 1px solid #fcd34d; border-radius: var(--radius);
  padding: 12px 16px; margin-top: 16px; font-size: 13px; color: #92400e;
}
.pledge-signed {
  background: #dcfce7; border: 1px solid #86efac; border-radius: var(--radius);
  padding: 16px 20px; font-size: 15px; margin-bottom: 16px; text-align: center;
}
.pledge-form { text-align: center; }
.pledge-check {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; margin-bottom: 16px; font-size: 14px; cursor: pointer;
}
.pledge-check input[type="checkbox"] { width: 18px; height: 18px; }

/* Pledge section in settings */
.pledge-section { margin-bottom: 32px; }
.pledge-section h3 { font-size: 17px; margin-bottom: 8px; }
.pledge-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; }
.pledge-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px;
}
.pledge-card-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px;
}
.pledge-card p { font-size: 13px; color: var(--text-secondary); margin-bottom: 12px; }
.pledge-status {
  font-size: 12px; font-weight: 600; padding: 2px 10px; border-radius: 10px;
}
.pledge-status.signed { background: #dcfce7; color: #166534; }
.pledge-status.unsigned { background: #f1f5f9; color: #64748b; }
.pledge-date { font-size: 12px; color: var(--text-secondary); margin-bottom: 8px; }
.pledge-card .btn-secondary {
  display: inline-block; padding: 6px 16px; font-size: 13px;
  border: 1px solid var(--primary); border-radius: var(--radius);
  color: var(--primary); text-decoration: none; font-weight: 600;
}
.pledge-card .btn-secondary:hover { background: #f0f4ff; }

/* Pledge badge on profile */
.pledge-badge {
  display: inline-block; font-size: 12px; padding: 2px 10px; border-radius: 10px;
  margin-left: 6px;
}
.pledge-badge.researcher { background: #dbeafe; color: #1e40af; }
.pledge-badge.investor { background: #dcfce7; color: #166534; }

@media (max-width: 600px) {
  .pledge-cards { grid-template-columns: 1fr; }
  .pledge-content { padding: 20px; }
}

/* Author Note — 作者补充说明 */
.author-note-section {
  background: linear-gradient(135deg, #f0f7ff 0%, #f8fbff 100%);
  border: 1px solid #c5d9f0;
  border-left: 4px solid var(--primary);
  border-radius: var(--radius);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.author-note-section h3 { font-size: 18px; margin-bottom: 8px; color: var(--primary); }
.section-hint { color: var(--text-muted); font-size: 14px; margin-bottom: 12px; }
.author-note-content {
  background: #fff; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px;
  white-space: pre-wrap; line-height: 1.8; font-size: 15px;
}
.note-updated { color: var(--text-muted); font-size: 13px; margin-top: 8px; }


/* Role selection — 注册页身份选择 */
.role-select { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; }
.role-option { cursor: pointer; }
.role-option input { display: none; }
.role-card {
  display: flex; flex-direction: column; align-items: center;
  padding: 12px 8px; border: 2px solid var(--border); border-radius: var(--radius);
  text-align: center; transition: all 0.2s;
}
.role-card strong { font-size: 14px; margin-bottom: 2px; }
.role-card small { font-size: 11px; color: var(--text-muted); }
.role-option input:checked + .role-card {
  border-color: var(--primary); background: #eef4ff; box-shadow: 0 0 0 1px var(--primary);
}
@media (max-width: 600px) {
  .role-select { grid-template-columns: repeat(2, 1fr); }
}

/* Role badge — 研究者页/评论身份标签 */
.role-badge {
  display: inline-block; padding: 2px 10px; border-radius: 12px;
  font-size: 12px; font-weight: 600; margin-left: 6px;
}
.role-individual { background: #e8f4fd; color: #1a73e8; }
.role-team { background: #e6f7e6; color: #2e7d32; }
.role-enterprise { background: #fdf2e0; color: #c76900; }
.role-investor { background: #fce4ec; color: #b71c1c; }

/* Disputes */
.disputes-section { margin-bottom: 24px; }
.disputes-section h3 { font-size: 18px; margin-bottom: 12px; }
.dispute-card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 20px; margin-bottom: 12px;
}
.dispute-header {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  font-size: 14px; margin-bottom: 8px;
}
.dispute-reason {
  font-size: 12px; background: #f1f5f9; color: #475569;
  padding: 2px 8px; border-radius: 4px;
}
.dispute-status {
  font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 4px;
}
.dispute-open { background: #fef3c7; color: #92400e; }
.dispute-resolved { background: #dcfce7; color: #166534; }
.dispute-rejected { background: #fee2e2; color: #991b1b; }
.dispute-body { font-size: 14px; line-height: 1.6; color: var(--text); }

/* Messages */
.message-box {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px 24px; margin-bottom: 24px;
}
.message-box h4 { font-size: 15px; margin-bottom: 12px; }
.msg-form { display: flex; flex-direction: column; gap: 12px; }
.msg-form textarea {
  width: 100%; border: 1px solid var(--border); border-radius: var(--radius);
  padding: 10px; font-size: 14px; font-family: inherit; resize: vertical;
}
.msg-card { padding: 16px 20px; margin-bottom: 12px; }
.msg-unread { border-left: 3px solid var(--primary); }
.msg-sent { opacity: 0.8; }
.msg-header {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  margin-bottom: 8px; font-size: 14px;
}
.msg-body { font-size: 14px; line-height: 1.6; color: var(--text); }
.msg-mark-read { font-size: 12px; color: var(--primary); text-decoration: none; }
.msg-reply-link { margin-top: 8px; font-size: 13px; }
.msg-reply-link a { color: var(--primary); text-decoration: none; }

/* Co-author status */
.coauthor-status { display: inline-flex; gap: 6px; flex-wrap: wrap; margin-left: 8px; }
.coauthor-tag {
  display: inline-block; font-size: 12px; padding: 1px 8px; border-radius: 10px;
}
.coauthor-confirmed { background: #dcfce7; color: #166534; }
.coauthor-pending { background: #fef3c7; color: #92400e; }
.coauthor-rejected { background: #fee2e2; color: #991b1b; }

/* Responsive */
@media (max-width: 700px) {
  .navbar .container { flex-wrap: wrap; }
  .nav-links { gap: 12px; font-size: 13px; }
  .hero h1 { font-size: 26px; }
  .hero .subtitle { font-size: 14px; }
  .hero-tagline { font-size: 13px; }
  .stats-bar { gap: 24px; flex-wrap: wrap; }
  .stat strong { font-size: 22px; }
  .search-box, .search-bar { flex-direction: column; }
  .search-bar select { width: 100%; }
  .form-row { grid-template-columns: 1fr; }
  .form-page { margin: 20px auto; padding: 0 12px; }
  .paper-detail h1 { font-size: 22px; }
  .cert-row { grid-template-columns: 1fr; gap: 2px; }
  .cert-header { flex-direction: column; gap: 8px; text-align: center; }
  .action-bar { flex-direction: column; align-items: stretch; text-align: center; }
  .result-row { flex-direction: column; align-items: flex-start; gap: 4px; }
  .result-row code.hash { max-width: 100%; }
  .timeline { padding-left: 24px; }
  .timeline-dot { left: -20px; top: 16px; width: 10px; height: 10px; }
  .comment.reply { margin-left: 16px; }
  .container { padding: 0 16px; }
}

/* Compact principles (homepage when content exists) */
.principles-compact {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px 28px; margin: 32px 0;
  text-align: center;
}
.principles-compact h3 {
  font-size: 15px; color: var(--text-secondary); margin-bottom: 16px;
  font-weight: 600;
}
.principles-mini-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px;
}
.principle-mini {
  text-align: center;
}
.principle-mini strong {
  display: block; font-size: 14px; color: var(--primary); margin-bottom: 4px;
}
.principle-mini span {
  font-size: 12px; color: var(--text-secondary);
}
@media (max-width: 600px) {
  .principles-mini-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .principles-compact { padding: 20px 16px; }
}

/* Rankings page */
.rankings-page h1 { margin-bottom: 20px; }
.period-tabs { display: flex; gap: 8px; margin-bottom: 24px; }
.period-tabs a {
  padding: 6px 20px; border: 1px solid var(--border); border-radius: 20px;
  font-size: 13px; text-decoration: none; color: var(--text);
}
.period-tabs a.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.rank-section { margin-bottom: 36px; }
.rank-section h2 { font-size: 18px; margin-bottom: 16px; padding-bottom: 8px; border-bottom: 2px solid var(--border); }
.rank-item { display: flex; align-items: center; gap: 12px; padding: 14px 0; border-bottom: 1px solid var(--border); }
.rank-item:last-child { border-bottom: none; }
.rank-num { width: 28px; height: 28px; display: flex; align-items: center; justify-content: center;
  border-radius: 50%; font-size: 13px; font-weight: 700; flex-shrink: 0; }
.rank-num.top1 { background: #fef3c7; color: #92400e; }
.rank-num.top2 { background: #e5e7eb; color: #374151; }
.rank-num.top3 { background: #fed7aa; color: #9a3412; }
.rank-num.normal { background: #f1f5f9; color: #64748b; }
.rank-info { flex: 1; min-width: 0; }
.rank-title { font-weight: 600; font-size: 15px; color: var(--text); text-decoration: none; display: block; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.rank-title:hover { color: var(--primary); }
.rank-meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }
.rank-stat { font-size: 14px; font-weight: 600; color: var(--primary); white-space: nowrap; }
.empty-rank { text-align: center; padding: 40px; color: var(--text-secondary); }

/* Admin dashboard */
.admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 16px; margin-bottom: 24px; }
.admin-stat { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; text-align: center; }
.admin-stat .num { font-size: 28px; font-weight: 700; color: var(--primary); }
.admin-stat .lbl { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.admin-row { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 24px; }
.admin-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.admin-card h3 { font-size: 16px; margin-bottom: 12px; }
.admin-card table { width: 100%; font-size: 13px; border-collapse: collapse; }
.admin-card th, .admin-card td { padding: 6px 8px; text-align: left; border-bottom: 1px solid var(--border); }
.admin-card th { color: var(--text-secondary); font-weight: 600; }
.bar-chart { display: flex; align-items: end; gap: 4px; height: 80px; padding-top: 8px; }
.bar { flex: 1; background: var(--primary); border-radius: 3px 3px 0 0; min-width: 20px; position: relative; }
.bar-label { font-size: 10px; text-align: center; color: var(--text-secondary); margin-top: 2px; }
.admin-nav { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.admin-nav a { padding: 6px 16px; border: 1px solid var(--border); border-radius: var(--radius); font-size: 13px; text-decoration: none; color: var(--text); }
.admin-nav a:hover { background: #f0f4ff; border-color: var(--primary); }
.admin-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 24px; }
.admin-actions form { display: inline; }
.admin-actions button { padding: 8px 20px; font-size: 13px; cursor: pointer; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.admin-actions button:hover { background: #f0f4ff; border-color: var(--primary); }
.admin-actions button.danger { color: var(--error); border-color: #fca5a5; }
@media (max-width: 700px) { .admin-row { grid-template-columns: 1fr; } }

/* Researcher contact bar */
.researcher-contact {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  background: #f8fafc; border: 1px solid var(--border);
  border-radius: var(--radius); padding: 12px 20px; margin-bottom: 20px;
  font-size: 14px;
}
.researcher-contact .contact-hint { font-size: 12px; color: var(--text-secondary); }

/* Researcher page */
.researcher-header { margin-bottom: 20px; }
.researcher-header h1 { margin-bottom: 4px; }
.researcher-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 10px; }
.researcher-stats {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px;
  margin-bottom: 20px;
}
.researcher-fields {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
  margin-bottom: 28px; padding: 12px 16px;
  background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
}
.researcher-fields .fields-label { font-size: 13px; color: var(--text-secondary); font-weight: 600; }

.researcher-paper-card {
  display: flex; gap: 16px; align-items: flex-start;
  padding: 16px 20px; margin-bottom: 12px;
}
.paper-card-main { flex: 1; min-width: 0; }
.paper-card-side {
  display: flex; flex-direction: column; align-items: center;
  min-width: 60px; flex-shrink: 0;
}
.paper-card-side .stat-num { font-size: 20px; font-weight: 700; color: var(--primary); line-height: 1.2; }
.paper-card-side .stat-lbl { font-size: 12px; color: var(--text-secondary); margin-bottom: 8px; }

.researcher-paper-card .meta { flex-wrap: wrap; gap: 4px; }

@media (max-width: 600px) {
  .researcher-stats { grid-template-columns: 1fr 1fr; }
  .researcher-paper-card { flex-direction: column; }
  .paper-card-side { flex-direction: row; gap: 16px; min-width: auto; }
  .paper-card-side .stat-lbl { margin-bottom: 0; margin-right: 8px; }
}

/* About page */
.about-page { max-width: 720px; margin: 0 auto; }
.about-hero {
  text-align: center; padding: 60px 0 40px;
  border-bottom: 1px solid var(--border); margin-bottom: 40px;
}
.about-hero h1 { font-size: 40px; font-weight: 800; letter-spacing: -1px; }
.about-lead { font-size: 18px; color: var(--text-secondary); margin-top: 12px; }
.about-section { margin-bottom: 40px; }
.about-section h2 {
  font-size: 20px; font-weight: 700; margin-bottom: 16px;
  padding-bottom: 8px; border-bottom: 2px solid var(--primary);
}
.about-section p { font-size: 15px; line-height: 1.8; color: var(--text); margin-bottom: 12px; }
.about-list { padding-left: 20px; margin-bottom: 16px; }
.about-list li {
  font-size: 15px; line-height: 1.8; margin-bottom: 14px;
  color: var(--text);
}
.belief {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 24px; margin-bottom: 16px;
}
.belief h3 { font-size: 17px; color: var(--primary); margin-bottom: 8px; }
.belief p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }
.about-cta { display: flex; gap: 12px; flex-wrap: wrap; margin: 16px 0 24px; }
.about-cta .btn-primary, .about-cta .btn-secondary {
  padding: 10px 24px; border-radius: var(--radius);
  font-size: 15px; text-decoration: none; font-weight: 600;
}
.about-contact { font-size: 13px; color: var(--text-secondary); }
.about-contact a { color: var(--primary); text-decoration: none; }
.about-contact a:hover { text-decoration: underline; }
@media (max-width: 600px) {
  .about-hero h1 { font-size: 28px; }
  .about-hero { padding: 40px 0 30px; }
}

/* Homepage story section */
.story-section {
  max-width: 720px; margin: 0 auto 40px;
}
.story-block {
  margin-bottom: 32px;
}
.story-block h2 {
  font-size: 20px; font-weight: 700; margin-bottom: 16px;
  padding-bottom: 8px; border-bottom: 2px solid var(--primary);
}
.story-problem { }
.story-beliefs { }
.story-cta {
  text-align: center; margin-top: 40px; padding: 32px;
  background: linear-gradient(135deg, #f0f4ff 0%, #fafbfc 100%);
  border: 1px solid var(--border); border-radius: 12px;
}
.story-cta p { font-size: 15px; color: var(--text); margin-bottom: 16px; }
.story-cta .about-cta { justify-content: center; }

@media (max-width: 600px) {
  .story-cta { padding: 20px 16px; }
}

/* Config editor */
.config-list { display: flex; flex-direction: column; gap: 8px; }
.config-item {
  display: flex; align-items: center; gap: 16px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 20px;
}
.config-info { min-width: 140px; }
.config-info strong { display: block; font-size: 14px; }
.config-info code { font-size: 11px; color: var(--text-secondary); }
.config-preview {
  flex: 1; font-size: 13px; color: var(--text-secondary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.config-edit-form textarea:focus {
  border-color: var(--primary); outline: none;
}
@media (max-width: 600px) {
  .config-item { flex-direction: column; align-items: flex-start; gap: 8px; }
  .config-info { min-width: auto; }
  .config-preview { white-space: normal; }
}

/* Unified inbox */
.inbox-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 18px; margin-bottom: 8px;
  transition: box-shadow 0.15s;
}
.inbox-item:hover { box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.inbox-unread { border-left: 3px solid var(--primary); }
.inbox-icon { font-size: 18px; width: 28px; text-align: center; flex-shrink: 0; }
.inbox-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--primary); flex-shrink: 0;
}
.inbox-meta { font-size: 12px; color: var(--text-secondary); margin-top: 2px; }