:root {
  --bg: #f4f7ff;
  --text: #17223b;
  --muted: #64748b;
  --card: rgba(255, 255, 255, 0.78);
  --line: #dbe6ff;
  --primary: #3b5bdb;
  --primary-2: #6d4dff;
  --good: #0f9f6e;
  --warn: #f59e0b;
  --bad: #dc2626;
  --shadow: 0 14px 40px rgba(44, 75, 184, 0.14);
}

body.dark {
  --bg: #0b1020;
  --text: #eff3ff;
  --muted: #9aa6c6;
  --card: rgba(17, 24, 39, 0.88);
  --line: #2b3554;
  --primary: #5b7cff;
  --primary-2: #9873ff;
  --good: #34d399;
  --warn: #fbbf24;
  --bad: #fb7185;
  --shadow: 0 20px 50px rgba(1, 4, 15, 0.45);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: Inter, Segoe UI, Arial, sans-serif;
  background: radial-gradient(circle at top right, #cad7ff 0%, var(--bg) 46%);
  color: var(--text);
  padding: 16px;
}

.wrapper {
  max-width: 1400px;
  margin: 0 auto;
}

.glass-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.hero {
  padding: 20px;
  margin-bottom: 16px;
}

.hero h1 { margin: 8px 0 0; font-size: 2rem; }
.hero h2 { margin: 8px 0; color: var(--primary); font-size: 1.2rem; }
.hero p { margin: 0; color: var(--muted); }

.hero-top-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.chip-btn, button {
  border: 1px solid transparent;
  background: linear-gradient(120deg, var(--primary), var(--primary-2));
  color: #fff;
  font-weight: 700;
  border-radius: 12px;
  cursor: pointer;
  transition: transform .2s ease, box-shadow .2s ease, opacity .2s ease;
  padding: 10px 14px;
}

.chip-btn.secondary-btn, button:not(.primary):not(.tool-btn) {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

button:hover, .chip-btn:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(61, 95, 222, 0.28); }
button:active, .chip-btn:active { transform: translateY(0); }

.layout {
  display: grid;
  grid-template-columns: 250px 1fr 280px;
  gap: 14px;
}

.left-tools, .main-panel, .history-panel {
  padding: 16px;
}

.left-tools h3, .main-panel h3, .history-panel h3 { margin-top: 0; }

.tool-btn {
  width: 100%;
  margin-bottom: 8px;
  text-align: left;
  background: linear-gradient(130deg, #3477ff, #8158ff);
}

.toggle-row {
  margin-top: 12px;
  font-size: .92rem;
  color: var(--muted);
  display: flex;
  gap: 8px;
  align-items: center;
}

.inputs-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.inputs-grid label {
  font-size: .9rem;
  color: var(--muted);
  display: flex;
  flex-direction: column;
  gap: 6px;
}

input, select, textarea {
  width: 100%;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  color: var(--text);
  padding: 10px 12px;
  font: inherit;
}

body.dark input, body.dark select, body.dark textarea {
  background: rgba(15, 23, 42, 0.7);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(59, 91, 219, 0.18);
}

.action-row {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.primary { background: linear-gradient(120deg, #1f6bff, #834dff); color: #fff; }

.meter-wrap { margin-top: 12px; }
.meter-container {
  height: 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(148, 163, 184, 0.15);
  overflow: hidden;
}
.meter {
  width: 0;
  height: 100%;
  transition: width .65s ease, background-color .4s ease;
  background: var(--bad);
}
#scoreLabel { margin-top: 8px; font-weight: 700; }

.output-block {
  margin-top: 14px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.52);
}

body.dark .output-block { background: rgba(17, 24, 39, 0.45); }

.output-block h4 { margin: 0 0 8px; }

.slug-row, .share-row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px;
}

.alt-list {
  display: grid;
  gap: 8px;
}

.alt-item {
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: .93rem;
}

.cards-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.score-card {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
}

.score-card strong { display: block; }
.score-card span { color: var(--muted); font-size: .88rem; }

.google-preview {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
}

#previewTitle { color: #1a0dab; font-size: 1rem; margin-bottom: 4px; }
#previewUrl { color: #128039; font-size: .86rem; margin-bottom: 6px; }
#previewDesc { color: var(--muted); font-size: .9rem; }

#insightsList {
  margin: 0;
  padding-left: 18px;
  color: var(--muted);
}

textarea#bulkInput { min-height: 120px; }
#bulkResult { margin-top: 10px; font-size: .9rem; color: var(--muted); }

.badges {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.badge {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 6px 10px;
  font-size: .84rem;
}

.history-actions { margin-bottom: 10px; }
#historyList {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.history-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 10px;
}

.history-item .small {
  color: var(--muted);
  font-size: .78rem;
}

.history-actions-row {
  margin-top: 8px;
  display: flex;
  gap: 6px;
}

.tool-extra-actions {
  margin-top: 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tool-toggle-btn {
  background: transparent;
  color: var(--text);
  border-color: var(--line);
}

/* Legacy popup support */
.legal-popup-overlay,
.popup-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(2, 6, 23, 0.6);
  padding: 16px;
}
.popup-overlay.active,
.legal-popup-overlay { display: flex; }

.legal-popup-box, .popup-box {
  width: 100%;
  max-width: 620px;
  background: #fff;
  border-radius: 16px;
  padding: 20px;
  color: #111827;
}

.popup-close {
  float: right;
  background: #eef2ff;
  color: #111827;
}

@media (max-width: 1100px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .history-panel { order: 3; }
}

@media (max-width: 760px) {
  .inputs-grid, .cards-grid {
    grid-template-columns: 1fr;
  }
  .hero h1 { font-size: 1.5rem; }
  body { padding: 10px; }
}