/* ==========================================================================
   ZaidYtKeywords PRO - Next-Gen Glassmorphic YouTube Dark Theme
   ========================================================================== */

:root {
  --bg-primary: #0a0f0d;
  --bg-secondary: #111a16;
  --bg-card: rgba(17, 26, 22, 0.8);
  --bg-hover: rgba(25, 39, 33, 0.9);
  --accent-red: #00e676;
  --accent-red-glow: rgba(0, 230, 118, 0.4);
  --accent-blue: #00e676;
  --accent-green: #00e676;
  --accent-amber: #ffab00;
  --text-main: #ffffff;
  --text-muted: #a0aec0;
  --text-dim: #6c7b88;
  --border-color: rgba(0, 230, 118, 0.2);
  --glass-border: rgba(0, 230, 118, 0.3);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-main: 0 10px 30px rgba(0, 0, 0, 0.6);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-main);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 40px;
  background: rgba(10, 11, 14, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
}

.yt-badge {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, #ff0033, #cc0000);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 15px var(--accent-red-glow);
}

.yt-icon {
  width: 24px;
  height: 24px;
  color: #fff;
  fill: #fff;
}

.logo-text {
  display: flex;
  flex-direction: column;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.badge-pro {
  font-size: 0.7rem;
  background: var(--accent-red);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  font-weight: 800;
  margin-left: 4px;
  vertical-align: middle;
}

.brand-sub {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 20px;
}

.live-status {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  background: rgba(255, 255, 255, 0.04);
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--border-color);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent-green);
  box-shadow: 0 0 10px var(--accent-green);
  animation: pulse 1.8s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 230, 118, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(0, 230, 118, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(0, 230, 118, 0); }
}

/* HERO SECTION */
.hero-section {
  position: relative;
  padding: 60px 20px 40px;
  text-align: center;
  max-width: 1100px;
  margin: 0 auto;
}

.hero-bg-glow {
  position: absolute;
  top: -100px;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 350px;
  background: radial-gradient(circle, rgba(255, 0, 51, 0.15) 0%, rgba(0, 0, 0, 0) 70%);
  pointer-events: none;
}

.hero-title {
  font-size: 2.8rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.gradient-text {
  background: linear-gradient(135deg, #ff3366, #ff0033, #ff6600);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.1rem;
  color: var(--text-muted);
  max-width: 700px;
  margin: 0 auto 35px;
}

/* SEARCH CARD */
.search-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-main);
}

.search-input-group {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 6px;
  transition: var(--transition);
}

.search-input-group:focus-within {
  border-color: var(--accent-red);
  box-shadow: 0 0 20px var(--accent-red-glow);
}

.input-prefix {
  padding: 0 16px;
  color: var(--text-muted);
}

.search-input-group input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  color: #fff;
  font-size: 1.1rem;
  font-family: inherit;
  padding: 12px 0;
}

.btn-primary {
  background: linear-gradient(135deg, #ff0033, #cc0000);
  color: #fff;
  border: none;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 15px var(--accent-red-glow);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 0, 51, 0.6);
}

.search-filters {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
  margin-top: 18px;
}

.filter-item {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.filter-item label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
}

select {
  background: var(--bg-secondary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  outline: none;
  font-family: inherit;
  font-size: 0.9rem;
  cursor: pointer;
  transition: var(--transition);
}

select:hover, select:focus {
  border-color: var(--glass-border);
}

/* MAIN CONTAINER */
.main-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 20px 60px;
}

/* DASHBOARD STATS */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 25px;
}

.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 18px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: 16px;
}

.stat-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
}

.bg-red { background: rgba(255, 0, 51, 0.15); color: #ff0033; }
.bg-blue { background: rgba(0, 136, 255, 0.15); color: #0088ff; }
.bg-green { background: rgba(0, 230, 118, 0.15); color: #00e676; }
.bg-amber { background: rgba(255, 171, 0, 0.15); color: #ffab00; }

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-label {
  font-size: 0.78rem;
  color: var(--text-muted);
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 800;
}

/* NAVIGATION TABS */
.navigation-tabs {
  display: flex;
  gap: 10px;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 20px;
  overflow-x: auto;
}

.nav-tab {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 20px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 2px solid transparent;
  transition: var(--transition);
  white-space: nowrap;
}

.nav-tab:hover {
  color: var(--text-main);
}

.nav-tab.active {
  color: var(--accent-red);
  border-bottom-color: var(--accent-red);
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}

/* TOOLBAR */
.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 12px;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.search-mini {
  display: flex;
  align-items: center;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  padding: 4px 10px;
}

.search-mini input {
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-main);
  padding: 6px;
  font-size: 0.85rem;
  width: 220px;
}

.btn-secondary, .btn-ghost {
  background: var(--bg-secondary);
  color: var(--text-main);
  border: 1px solid var(--border-color);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}

.btn-secondary:hover, .btn-ghost:hover {
  background: var(--bg-hover);
  border-color: var(--glass-border);
}

.selected-count {
  font-size: 0.85rem;
  color: var(--accent-blue);
  font-weight: 700;
}

/* DATA TABLE */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-main);
}

table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

th {
  background: rgba(18, 20, 26, 0.9);
  padding: 14px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border-bottom: 1px solid var(--border-color);
}

th.sortable {
  cursor: pointer;
  user-select: none;
}

th.sortable:hover {
  color: #fff;
}

td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border-color);
  font-size: 0.9rem;
}

tr:hover td {
  background: rgba(255, 255, 255, 0.02);
}

.kw-title {
  font-weight: 600;
  color: var(--text-main);
}

/* BADGES */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-low { background: rgba(0, 230, 118, 0.15); color: #00e676; }
.badge-medium { background: rgba(255, 171, 0, 0.15); color: #ffab00; }
.badge-high { background: rgba(255, 82, 82, 0.15); color: #ff5252; }
.badge-very-high { background: rgba(255, 0, 51, 0.25); color: #ff0033; }

.badge-intent {
  background: rgba(0, 136, 255, 0.15);
  color: #0088ff;
  border: 1px solid rgba(0, 136, 255, 0.3);
}

.trend-up { color: var(--accent-green); font-weight: 700; }
.trend-down { color: var(--accent-red); font-weight: 700; }

.empty-state {
  padding: 60px;
  text-align: center;
  color: var(--text-muted);
}

.empty-state i {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  opacity: 0.5;
}

/* TAG EXTRACTOR & TITLE GEN */
.tag-extractor-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 24px;
  border-radius: var(--radius-md);
}

.mt-15 { margin-top: 15px; }

.tag-results-box {
  margin-top: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--radius-md);
}

.tag-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
}

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

.tag-pill {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
}

.titles-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.title-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
}

.title-card:hover {
  border-color: var(--accent-red);
}

/* CHARTS GRID */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 20px;
  border-radius: var(--radius-md);
}

.chart-card h4 {
  margin-bottom: 15px;
  color: var(--text-muted);
}

/* MODAL */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: var(--transition);
}

.modal-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.modal-card {
  background: var(--bg-secondary);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  max-width: 800px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  padding: 28px;
  box-shadow: var(--shadow-main);
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 15px;
}

.btn-close {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.8rem;
  cursor: pointer;
}

.arch-section {
  margin-bottom: 24px;
}

.arch-section h4 {
  color: var(--accent-red);
  margin-bottom: 10px;
}

.arch-section code {
  background: rgba(255, 0, 51, 0.1);
  color: #ff3366;
  padding: 2px 6px;
  border-radius: 4px;
  font-family: 'JetBrains Mono', monospace;
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 12px;
}

.comp-box {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-color);
  padding: 16px;
  border-radius: var(--radius-sm);
}

.comp-box.highlight {
  border-color: var(--accent-red);
  background: rgba(255, 0, 51, 0.05);
}

.comp-box h5 {
  margin-bottom: 10px;
  font-size: 0.95rem;
}

.comp-box ul {
  list-style: none;
  font-size: 0.85rem;
}

.comp-box li {
  margin-bottom: 8px;
}

/* COMPARISON MATRIX TABLE STYLES */
.compare-matrix-table th {
  background: #141722;
  font-size: 0.85rem;
}

.compare-matrix-table th.highlight-header {
  background: rgba(255, 0, 51, 0.2);
  color: #ff3366;
  border-bottom: 2px solid #ff0033;
}

.compare-matrix-table td {
  font-size: 0.88rem;
  padding: 12px 14px;
}

.compare-matrix-table td.highlight-cell {
  background: rgba(255, 0, 51, 0.06);
  font-weight: 700;
}

.check {
  color: var(--accent-green);
  font-weight: 700;
}

.cross {
  color: var(--accent-red);
  font-weight: 600;
}

.modal-chart-card {
  background: #10121a;
  border: 1px solid var(--glass-border);
  padding: 16px;
  border-radius: var(--radius-md);
  margin-bottom: 20px;
}