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

:root {
  --bg: #0A0A0F;
  --bg-card: #111118;
  --bg-surface: #18181F;
  --border: rgba(255,255,255,0.07);
  --border-hover: rgba(55,138,221,0.4);
  --text-primary: #F0F0F4;
  --text-secondary: #888780;
  --text-muted: #5F5E5A;
  --blue: #378ADD;
  --blue-light: #85B7EB;
  --green: #1D9E75;
  --amber: #EF9F27;
  --red: #E24B4A;
  --pink: #D4537E;
  --purple: #7F77DD;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  min-height: 100vh;
  overflow-x: hidden;
}

/* ══ NAVBAR ═════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  height: 56px;
  background: rgba(10,10,15,0.95);
  border-bottom: 0.5px solid var(--border);
  backdrop-filter: blur(12px);
  gap: 16px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.logo-icon {
  width: 26px;
  height: 26px;
  background: var(--text-primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.logo-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--bg);
}

.logo-text {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.logo-tag {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--blue);
  background: rgba(55,138,221,0.1);
  border: 0.5px solid rgba(55,138,221,0.25);
  padding: 3px 8px;
  border-radius: 100px;
}

/* Niche tabs */
.navbar-center {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}

.navbar-center::-webkit-scrollbar { display: none; }

.niche-tab {
  font-size: 13px;
  font-weight: 500;
  padding: 5px 14px;
  border-radius: 100px;
  border: 0.5px solid transparent;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
  font-family: 'Inter', sans-serif;
}

.niche-tab:hover {
  color: var(--text-secondary);
  border-color: var(--border);
}

.niche-tab.active {
  background: rgba(55,138,221,0.12);
  border-color: rgba(55,138,221,0.3);
  color: var(--blue-light);
}

.btn-saved {
  font-size: 13px;
  font-weight: 500;
  padding: 6px 16px;
  border-radius: 100px;
  border: 0.5px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: all 0.15s;
  flex-shrink: 0;
}

.btn-saved:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

/* ══ MAIN ════════════════════════════════════ */
.main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px;
}

.screen { display: none; }
.screen.active { display: block; }

/* ══ DISCOVER ════════════════════════════════ */
.discover-header {
  margin-bottom: 24px;
}

.discover-title-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}

.discover-title {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.live-badge {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--green);
  background: rgba(29,158,117,0.1);
  border: 0.5px solid rgba(29,158,117,0.25);
  padding: 3px 8px;
  border-radius: 100px;
}

.discover-sub {
  font-size: 14px;
  color: var(--text-muted);
}

/* ══ PRODUCTS GRID ═══════════════════════════ */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

.grid-loading {
  text-align: center;
  color: var(--text-muted);
  padding: 60px;
  font-size: 14px;
}

/* ══ PRODUCT CARD ════════════════════════════ */
.product-card {
  background: var(--bg-card);
  border: 0.5px solid var(--border);
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
}

.product-card:hover {
  border-color: rgba(55,138,221,0.35);
  transform: translateY(-2px);
}

/* Card image */
.card-image {
  width: 100%;
  height: 200px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.card-emoji {
  font-size: 64px;
  z-index: 1;
  filter: drop-shadow(0 4px 12px rgba(0,0,0,0.3));
}

/* Gradient backgrounds */
.grad-green  { background: linear-gradient(135deg, #0d2a1a, #1a5c35, #0d4a2a); }
.grad-blue   { background: linear-gradient(135deg, #0d1f37, #1a3d6b, #0d2d5c); }
.grad-red    { background: linear-gradient(135deg, #2a0d0d, #5c1a1a, #4a0d0d); }
.grad-purple { background: linear-gradient(135deg, #1a0d2a, #3d1a5c, #2d0d4a); }
.grad-amber  { background: linear-gradient(135deg, #2a1a0d, #5c3a1a, #4a2a0d); }
.grad-pink   { background: linear-gradient(135deg, #2a0d1a, #5c1a3d, #4a0d2d); }

/* Overlays on card image */
.card-overlays {
  position: absolute;
  top: 10px;
  left: 10px;
  right: 10px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  z-index: 2;
}

.trend-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  font-size: 11px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(10,10,15,0.85);
  border: 0.5px solid rgba(255,255,255,0.15);
  color: var(--text-primary);
  backdrop-filter: blur(4px);
}

.trend-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
}

.dot-high { background: var(--green); }
.dot-mid  { background: var(--amber); }
.dot-low  { background: var(--red); }

.peak-badge {
  font-size: 10px;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 100px;
  background: rgba(55,138,221,0.85);
  color: #E6F1FB;
  backdrop-filter: blur(4px);
}

/* Card body */
.card-body {
  padding: 14px 16px 16px;
}

.card-name {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 10px;
  letter-spacing: -0.01em;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* Mini chart */
.mini-chart {
  display: flex;
  align-items: flex-end;
  gap: 3px;
  height: 28px;
  margin-bottom: 10px;
}

.chart-bar {
  flex: 1;
  border-radius: 2px 2px 0 0;
  background: rgba(55,138,221,0.2);
  transition: background 0.15s;
}

.chart-bar.peak {
  background: var(--blue);
}

/* Saturation bar */
.sat-bar-wrap {
  margin-bottom: 10px;
}

.sat-label {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
}

.sat-text  { font-size: 11px; color: var(--text-muted); }

.sat-value { font-size: 11px; font-weight: 600; }
.sat-value.low    { color: var(--green); }
.sat-value.medium { color: var(--amber); }
.sat-value.high   { color: var(--red); }

.sat-bar {
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}

.sat-fill {
  height: 100%;
  border-radius: 100px;
}
.sat-fill.low    { background: var(--green); }
.sat-fill.medium { background: var(--amber); }
.sat-fill.high   { background: var(--red); }

/* Card metrics */
.card-metrics {
  display: flex;
  gap: 12px;
  margin-bottom: 10px;
}

.card-metric {
  font-size: 11px;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 3px;
}

.card-metric span {
  color: var(--text-secondary);
  font-weight: 500;
}

/* Tags */
.card-tags {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}

.card-tag {
  font-size: 10px;
  color: var(--text-muted);
  background: rgba(255,255,255,0.04);
  border: 0.5px solid rgba(255,255,255,0.08);
  padding: 3px 8px;
  border-radius: 4px;
}

/* Card actions */
.card-actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 0.5px solid var(--border);
}

.btn-analyze {
  flex: 1;
  background: var(--text-primary);
  color: var(--bg);
  border: none;
  border-radius: 8px;
  padding: 8px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: opacity 0.15s;
}

.btn-analyze:hover { opacity: 0.85; }

.btn-save-card {
  background: transparent;
  border: 0.5px solid var(--border);
  color: var(--text-muted);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 16px;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-save-card:hover {
  border-color: var(--border-hover);
  color: var(--text-primary);
}

.btn-save-card.saved {
  color: var(--amber);
  border-color: rgba(239,159,39,0.3);
}

/* ══ MODALS ══════════════════════════════════ */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.modal-overlay.hidden { display: none; }

.modal-box {
  background: var(--bg-card);
  border: 0.5px solid var(--border);
  border-radius: 20px;
  width: 100%;
  max-width: 680px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 24px 80px rgba(0,0,0,0.5);
}

.modal-box.small { max-width: 400px; }

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  border-bottom: 0.5px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 6px;
  transition: color 0.15s;
}

.modal-close:hover { color: var(--text-primary); }

.modal-body {
  padding: 24px;
  overflow-y: auto;
  flex: 1;
}

/* Deep dive content rendering */
.modal-body h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 20px 0 8px;
  letter-spacing: -0.01em;
  padding-bottom: 6px;
  border-bottom: 0.5px solid var(--border);
}

.modal-body h2:first-child { margin-top: 0; }

.modal-body h3 {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin: 12px 0 4px;
}

.modal-body p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 8px;
}

.modal-body ul, .modal-body ol {
  padding-left: 20px;
  margin-bottom: 12px;
}

.modal-body li {
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 4px;
}

.modal-body strong { color: var(--text-primary); }

/* Alert modal */
.alert-desc {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.6;
}

.alert-input,
.alert-select {
  width: 100%;
  background: var(--bg-surface);
  border: 0.5px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: 14px;
  color: var(--text-primary);
  font-family: 'Inter', sans-serif;
  margin-bottom: 10px;
  box-sizing: border-box;
  appearance: none;
}

.alert-input:focus,
.alert-select:focus {
  outline: none;
  border-color: rgba(55,138,221,0.4);
}

.alert-input::placeholder { color: var(--text-muted); }

.btn-alert-submit {
  width: 100%;
  background: var(--text-primary);
  color: var(--bg);
  border: none;
  border-radius: 10px;
  padding: 12px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  font-family: 'Inter', sans-serif;
  transition: opacity 0.15s;
}

.btn-alert-submit:hover { opacity: 0.85; }

.alert-success {
  text-align: center;
  color: var(--green);
  font-size: 14px;
  font-weight: 500;
  margin-top: 12px;
}

.alert-success.hidden { display: none; }

/* ══ MOBILE ══════════════════════════════════ */
@media (max-width: 768px) {
  .logo-tag { display: none; }
  .navbar { padding: 0 16px; }
  .main { padding: 20px 16px; }
  .products-grid {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
  }
  .card-image { height: 150px; }
  .card-emoji { font-size: 48px; }
}

@media (max-width: 480px) {
  .products-grid { grid-template-columns: 1fr; }
}

/* ═══ DEEP DIVE LOADING ═══════════════════════ */

.dd-loading-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 32px 24px;
  gap: 32px;
}

.dd-score-ring {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.dd-score-ring svg {
  position: absolute;
  top: 0; left: 0;
}

.dd-score-ring > div {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.dd-score-number {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
  position: relative;
  z-index: 1;
  margin-top: 12px;
}

.dd-score-label {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
  position: relative;
  z-index: 1;
  margin-top: 4px;
}

.dd-loading-steps {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dd-step {
  display: flex;
  flex-direction: column;
  gap: 5px;
  opacity: 0.3;
  transition: opacity 0.3s ease;
}

.dd-step.active { opacity: 1; }

.dd-step-bar {
  height: 3px;
  background: rgba(255,255,255,0.06);
  border-radius: 100px;
  overflow: hidden;
}

.dd-step-fill {
  height: 100%;
  width: 0%;
  background: var(--blue);
  border-radius: 100px;
}

.dd-step-text {
  font-size: 12px;
  color: var(--text-muted);
  font-weight: 500;
}

/* ═══ DEEP DIVE DASHBOARD ══════════════════════ */

.dd-dashboard {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.dd-stats-row {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1px;
  background: rgba(255,255,255,0.06);
  border: 0.5px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  overflow: hidden;
}

.dd-stat {
  background: var(--bg-card);
  padding: 14px 12px;
  text-align: center;
}

.dd-stat-value {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  line-height: 1;
  margin-bottom: 4px;
}

.dd-stat-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.dd-section {
  background: rgba(255,255,255,0.02);
  border: 0.5px solid rgba(255,255,255,0.07);
  border-radius: 12px;
  padding: 16px;
}

.dd-section-title {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dd-ai-badge {
  font-size: 10px;
  font-weight: 600;
  color: var(--purple);
  background: rgba(127,119,221,0.1);
  border: 0.5px solid rgba(127,119,221,0.25);
  padding: 2px 8px;
  border-radius: 100px;
  letter-spacing: 0.04em;
}

.dd-chart-wrap {
  position: relative;
  height: 160px;
}

.dd-two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.dd-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dd-list-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.5;
}

.dd-list-num {
  font-size: 10px;
  font-weight: 700;
  color: var(--blue);
  background: rgba(55,138,221,0.1);
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.dd-list-text { flex: 1; }

.dd-supplier-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dd-supplier-item {
  font-size: 13px;
  color: var(--text-secondary);
  padding: 8px 12px;
  background: rgba(255,255,255,0.02);
  border-radius: 8px;
  border: 0.5px solid rgba(255,255,255,0.06);
  line-height: 1.5;
}

.dd-ai-content {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-secondary);
}

.dd-ai-content h2 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 16px 0 8px;
  letter-spacing: -0.01em;
}

.dd-ai-content h2:first-child { margin-top: 0; }

.dd-ai-content p { margin-bottom: 8px; }

.dd-ai-content ul {
  padding-left: 18px;
  margin-bottom: 10px;
}

.dd-ai-content li { margin-bottom: 4px; }

.dd-ai-loading {
  color: var(--text-muted);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.dd-ai-loading::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
  animation: pulse 1s ease infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.3; }
}

@media (max-width: 640px) {
  .dd-stats-row  { grid-template-columns: repeat(3, 1fr); }
  .dd-two-col    { grid-template-columns: 1fr; }
}