:root {
  --bg-light: #f8fafc;
  --panel-bg: #ffffff;
  --panel-border: #e2e8f0;
  --panel-hover: #f1f5f9;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --accent-cyan: #0284c7;
  --accent-blue: #2563eb;
  --accent-purple: #7c3aed;
  --accent-red: #dc2626;
  --accent-orange: #ea580c;
  --accent-green: #059669;
  --radius-lg: 16px;
  --radius-md: 10px;
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px -4px rgba(15, 23, 42, 0.12);
}

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

body.light-theme {
  background-color: var(--bg-light);
  color: var(--text-main);
  font-family: var(--font-sans);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
  line-height: 1.5;
}

/* Ticker Bar */
.ticker-bar {
  background: #0f172a;
  color: #fff;
  display: flex;
  align-items: center;
  padding: 0.4rem 1rem;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  overflow: hidden;
}
.ticker-label {
  background: #dc2626;
  color: #fff;
  font-weight: 800;
  padding: 0.15rem 0.6rem;
  border-radius: 4px;
  margin-right: 1rem;
  white-space: nowrap;
  font-size: 0.72rem;
}
.ticker-wrapper {
  overflow: hidden;
  white-space: nowrap;
  width: 100%;
}
.ticker-content {
  display: inline-block;
  animation: tickerAnim 35s linear infinite;
}
@keyframes tickerAnim {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}
.ticker-item {
  display: inline-block;
  margin-right: 2.5rem;
  color: #94a3b8;
}
.ticker-item strong { color: #38bdf8; }

/* Background Soft Ambient Glows */
.bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  filter: blur(160px);
  opacity: 0.25;
  pointer-events: none;
  z-index: 0;
}
.blob-1 { top: -120px; left: -120px; background: #bae6fd; }
.blob-2 { top: 500px; right: -120px; background: #fef08a; }

.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  position: relative;
  z-index: 1;
}

/* Navbar */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.25rem 2rem;
  max-width: 1400px;
  margin: 0 auto;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--panel-border);
  position: sticky;
  top: 0;
  z-index: 50;
}
.logo { display: flex; align-items: center; gap: 1rem; }
.logo-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, #2563eb, #7c3aed);
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.4rem;
  box-shadow: 0 4px 12px rgba(124, 58, 237, 0.25);
}
.logo h1 { font-size: 1.4rem; font-weight: 800; color: var(--text-main); letter-spacing: -0.5px; }
.subtitle { font-size: 0.82rem; color: var(--text-muted); }

.header-meta { display: flex; align-items: center; gap: 0.9rem; }
.code-btn {
  background: #0f172a;
  color: #38bdf8;
  border: none;
  font-size: 0.82rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  cursor: pointer;
  display: flex; align-items: center; gap: 0.5rem;
  transition: all 0.2s;
}
.code-btn:hover { background: #1e293b; color: #7dd3fc; }

.badge-pulse {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: #dc2626;
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

/* Metrics Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
  margin-bottom: 2rem;
}
.metric-card {
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  gap: 1.2rem;
  box-shadow: var(--shadow-md);
  transition: transform 0.2s, box-shadow 0.2s;
}
.metric-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.metric-card.highlight-red { border-left: 5px solid var(--accent-red); }
.metric-card.highlight-orange { border-left: 5px solid var(--accent-orange); }
.metric-card.highlight-purple { border-left: 5px solid var(--accent-purple); }

.metric-icon {
  width: 50px; height: 50px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
}
.metric-icon.blue { background: #e0f2fe; color: #0284c7; }
.metric-icon.red { background: #fef2f2; color: #dc2626; }
.metric-icon.orange { background: #fff7ed; color: #ea580c; }
.metric-icon.purple { background: #f5f3ff; color: #7c3aed; }

.metric-data { display: flex; flex-direction: column; }
.metric-value { font-size: 1.55rem; font-weight: 800; color: var(--text-main); font-family: var(--font-mono); }
.metric-label { font-size: 0.8rem; color: var(--text-muted); font-weight: 600; }

/* Urgent Banner */
.urgent-banner {
  background: linear-gradient(135deg, #fff5f5, #f5f3ff);
  border: 1px solid #ddd6fe;
  border-radius: var(--radius-lg);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.25rem;
  box-shadow: var(--shadow-sm);
}
.urgent-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.25rem; }
.urgent-header h2 { font-size: 1.15rem; color: #5b21b6; display: flex; align-items: center; gap: 0.5rem; }
.urgent-tag { background: var(--accent-purple); color: #fff; font-size: 0.72rem; font-weight: 800; padding: 0.3rem 0.7rem; border-radius: 6px; text-transform: uppercase; }
.urgent-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1rem; }
.urgent-card-item { background: #ffffff; border: 1px solid #e9d5ff; padding: 1rem 1.2rem; border-radius: var(--radius-md); display: flex; justify-content: space-between; align-items: center; box-shadow: var(--shadow-sm); }
.urgent-card-item h3 { font-size: 0.98rem; font-weight: 700; color: var(--text-main); }
.urgent-card-item p { font-size: 0.8rem; color: var(--text-muted); margin-top: 0.2rem; }
.urgent-score { background: #7c3aed; color: #fff; font-weight: 800; font-size: 1.1rem; padding: 0.35rem 0.75rem; border-radius: 8px; font-family: var(--font-mono); }

/* Toolbar & Filters */
.toolbar { display: flex; flex-direction: column; gap: 1rem; margin-bottom: 1.5rem; }
.search-box { position: relative; width: 100%; }
.search-box i { position: absolute; left: 1.25rem; top: 50%; transform: translateY(-50%); color: var(--text-muted); font-size: 1.1rem; }
.search-box input { width: 100%; background: #ffffff; border: 1px solid var(--panel-border); padding: 0.85rem 1.25rem 0.85rem 3.2rem; border-radius: var(--radius-md); color: var(--text-main); font-size: 0.95rem; outline: none; box-shadow: var(--shadow-sm); transition: border-color 0.2s, box-shadow 0.2s; }
.search-box input:focus { border-color: var(--accent-blue); box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15); }

.filters-container { display: flex; flex-direction: column; gap: 0.8rem; }
.cat-filter-tabs { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.cat-btn { background: #ffffff; border: 1px solid var(--panel-border); color: var(--text-muted); padding: 0.45rem 0.85rem; font-size: 0.82rem; font-weight: 600; border-radius: 20px; cursor: pointer; transition: all 0.2s; box-shadow: var(--shadow-sm); }
.cat-btn.active, .cat-btn:hover { background: var(--accent-purple); color: #fff; border-color: var(--accent-purple); }

.status-filters-row { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.filter-tabs { display: flex; background: #f1f5f9; padding: 0.25rem; border-radius: var(--radius-md); border: 1px solid var(--panel-border); gap: 0.25rem; }
.tab-btn { background: transparent; border: none; color: var(--text-muted); padding: 0.45rem 0.85rem; font-size: 0.8rem; font-weight: 600; border-radius: 6px; cursor: pointer; transition: all 0.2s; }
.tab-btn.active, .tab-btn:hover { background: #ffffff; color: var(--text-main); box-shadow: var(--shadow-sm); }
.view-toggle { display: flex; background: #f1f5f9; border: 1px solid var(--panel-border); padding: 0.25rem; border-radius: var(--radius-md); }
.toggle-btn { background: transparent; border: none; color: var(--text-muted); padding: 0.45rem 0.75rem; cursor: pointer; border-radius: 6px; }
.toggle-btn.active { background: var(--accent-purple); color: #fff; }

/* Table View */
.table-card { background: #ffffff; border: 1px solid var(--panel-border); border-radius: var(--radius-lg); overflow-x: auto; box-shadow: var(--shadow-md); margin-bottom: 2.5rem; }
.radar-table { width: 100%; border-collapse: collapse; text-align: left; font-size: 0.88rem; }
.radar-table th { background: #f8fafc; padding: 1rem 1.1rem; color: var(--text-muted); font-weight: 700; font-size: 0.76rem; text-transform: uppercase; letter-spacing: 0.5px; border-bottom: 1px solid var(--panel-border); }
.radar-table td { padding: 1.1rem; border-bottom: 1px solid var(--panel-border); vertical-align: middle; }
.radar-table tbody tr:hover { background: #f8fafc; }

.prod-name { font-weight: 800; color: var(--text-main); display: block; font-size: 0.95rem; font-family: var(--font-mono); }
.prod-brand { font-size: 0.78rem; color: var(--text-muted); }

/* Source Badges */
.source-tag { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 4px; font-size: 0.72rem; font-weight: 700; margin-right: 4px; margin-bottom: 2px; }
.source-cnipa { background: #fef2f2; color: #dc2626; border: 1px solid #fecaca; }
.source-miit { background: #eff6ff; color: #2563eb; border: 1px solid #bfdbfe; }
.source-uspto { background: #f0fdf4; color: #16a34a; border: 1px solid #bbf7d0; }
.source-weibo { background: #fff7ed; color: #ea580c; border: 1px solid #fed7aa; }

.score-badge { display: inline-block; padding: 0.3rem 0.65rem; border-radius: 6px; font-weight: 800; font-family: var(--font-mono); font-size: 0.9rem; }
.score-urgent { background: #f5f3ff; color: #7c3aed; border: 1px solid #ddd6fe; }
.score-watch { background: #fffbebf; color: #d97706; border: 1px solid #fde68a; }
.score-list { background: #eff6ff; color: #2563eb; border: 1px solid #bfdbfe; }

.action-btn { background: #f1f5f9; border: 1px solid var(--panel-border); color: var(--text-main); padding: 0.4rem 0.75rem; border-radius: 6px; font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: all 0.2s; }
.action-btn:hover { background: var(--accent-purple); color: #fff; border-color: var(--accent-purple); }

/* Grid View Cards */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); gap: 1.25rem; margin-bottom: 2.5rem; }
.prod-card { background: #ffffff; border: 1px solid var(--panel-border); border-radius: var(--radius-lg); padding: 1.5rem; display: flex; flex-direction: column; justify-content: space-between; box-shadow: var(--shadow-md); transition: transform 0.2s, box-shadow 0.2s; }
.prod-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.prod-card-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1rem; }

.cat-pill { background: #f3e8ff; color: #7c3aed; font-size: 0.73rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 4px; display: inline-block; }
.ev-pill { background: #f0f9ff; color: #0369a1; border: 1px solid #bae6fd; }

.hidden { display: none !important; }

/* Featured Section */
.featured-section { margin-bottom: 2.5rem; }
.featured-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: linear-gradient(90deg, #7c3aed, #2563eb); color: #fff; font-weight: 800; font-size: 0.78rem; padding: 0.4rem 1rem; border-radius: 20px 20px 0 0; text-transform: uppercase; }
.featured-card { background: #ffffff; border: 1px solid #ddd6fe; border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-lg); }
.featured-header { display: flex; justify-content: space-between; align-items: flex-start; gap: 2rem; border-bottom: 1px solid var(--panel-border); padding-bottom: 1.5rem; margin-bottom: 1.5rem; }
.featured-header h2 { font-size: 1.65rem; font-weight: 800; margin: 0.4rem 0; color: var(--text-main); }
.brand-tag { font-size: 1rem; color: var(--text-muted); font-weight: 600; }
.featured-desc { color: var(--text-muted); font-size: 0.94rem; max-width: 800px; }

.score-circle-large { text-align: center; background: #f5f3ff; border: 2px solid #7c3aed; padding: 1rem 1.5rem; border-radius: var(--radius-md); }
.score-num { font-size: 2.4rem; font-weight: 900; color: #7c3aed; font-family: var(--font-mono); }
.score-max { font-size: 0.9rem; color: var(--text-muted); }
.score-status { display: block; font-size: 0.75rem; font-weight: 800; margin-top: 0.2rem; color: #7c3aed; }

.featured-reasons { margin-bottom: 1.5rem; }
.featured-reasons h3 { font-size: 1.05rem; color: #7c3aed; margin-bottom: 0.8rem; display: flex; align-items: center; gap: 0.5rem; }
.featured-reasons ul { list-style: none; }
.featured-reasons li { font-size: 0.92rem; margin-bottom: 0.6rem; padding-left: 1.2rem; position: relative; color: var(--text-main); }
.featured-reasons li::before { content: "•"; position: absolute; left: 0; color: var(--accent-purple); font-weight: bold; }

/* Calculator Box */
.calc-box { background: #f8fafc; border: 1px solid var(--panel-border); padding: 1.25rem 1.5rem; border-radius: var(--radius-md); }
.calc-box h4 { font-size: 0.95rem; margin-bottom: 1rem; color: var(--accent-purple); display: flex; align-items: center; gap: 0.5rem; }
.calc-grid { display: flex; flex-wrap: wrap; align-items: center; gap: 1.5rem; }
.calc-item { display: flex; flex-direction: column; gap: 0.3rem; }
.calc-item label { font-size: 0.78rem; color: var(--text-muted); font-weight: 600; }
.calc-item input { background: #ffffff; border: 1px solid var(--panel-border); color: var(--text-main); padding: 0.55rem 0.85rem; border-radius: 6px; width: 170px; font-family: var(--font-mono); font-size: 0.92rem; font-weight: 600; }
.calc-result { margin-left: auto; background: #f3e8ff; border: 1px solid #d8b4fe; padding: 0.7rem 1.3rem; border-radius: 8px; }
.res-label { font-size: 0.78rem; color: #6b21a8; display: block; font-weight: 600; }
.res-val { font-size: 1.25rem; font-weight: 800; color: #7c3aed; font-family: var(--font-mono); }

/* Checklist */
.checklist-section { background: #ffffff; border: 1px solid var(--panel-border); border-radius: var(--radius-lg); padding: 2rem; margin-bottom: 2.5rem; box-shadow: var(--shadow-md); }
.checklist-section h2 { font-size: 1.25rem; font-weight: 800; color: var(--text-main); display: flex; align-items: center; gap: 0.5rem; }
.section-sub { font-size: 0.85rem; color: var(--text-muted); margin-bottom: 1.25rem; }
.task-list { list-style: none; }
.task-item { display: flex; align-items: center; gap: 0.9rem; padding: 0.85rem 1.1rem; background: #f8fafc; border: 1px solid var(--panel-border); border-radius: var(--radius-md); margin-bottom: 0.6rem; font-size: 0.9rem; }
.task-item input[type="checkbox"] { width: 18px; height: 18px; cursor: pointer; accent-color: var(--accent-purple); }

/* Modal */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: rgba(15, 23, 42, 0.5); backdrop-filter: blur(6px); display: flex; align-items: center; justify-content: center; z-index: 100; padding: 1.5rem; }
.modal-card { background: #ffffff; border: 1px solid var(--panel-border); border-radius: var(--radius-lg); max-width: 720px; width: 100%; max-height: 90vh; overflow-y: auto; padding: 2.25rem; position: relative; color: var(--text-main); box-shadow: var(--shadow-lg); }
.modal-close { position: absolute; top: 1.2rem; right: 1.2rem; background: #f1f5f9; border: none; color: var(--text-muted); font-size: 1.2rem; width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; }

/* Footer */
footer { text-align: center; padding: 2rem; border-top: 1px solid var(--panel-border); color: var(--text-muted); font-size: 0.85rem; background: #ffffff; }
footer code { background: #f1f5f9; padding: 0.2rem 0.4rem; border-radius: 4px; color: var(--text-main); }