:root {
  --bg: #090d16;
  --surface: #111827;
  --surface-hover: #172235;
  --border: #1f2d42;
  --border-active: #2f4362;
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --accent: #38bdf8;
  --accent-glow: rgba(56, 189, 248, 0.15);

  --color-green: #10b981;
  --color-green-glow: rgba(16, 185, 129, 0.2);
  --color-red: #ef4444;
  --color-red-glow: rgba(239, 68, 68, 0.2);
  --color-violet: #a855f7;
  --color-violet-glow: rgba(168, 85, 247, 0.2);

  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

body {
  background-color: var(--bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  min-height: 100vh;
  padding-bottom: 90px;
  overflow-x: hidden;
}

/* Header */
.top-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(9, 13, 22, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-badge {
  width: 12px;
  height: 12px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 12px #10b981;
}
.brand-title {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 1px;
  color: #fff;
  display: block;
}
.brand-sub {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  color: var(--text-muted);
  display: block;
}

/* Common Layout Containers */
.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 20px 16px;
}

/* Overview Bar */
.stats-overview {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  font-weight: 600;
  letter-spacing: 0.5px;
}
.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  font-family: var(--font-mono);
}
.txt-big { color: #f59e0b; }
.txt-small { color: #38bdf8; }
.stat-pills {
  display: flex;
  gap: 8px;
}
.pill {
  font-size: 0.8rem;
  font-weight: 700;
  font-family: var(--font-mono);
  padding: 2px 8px;
  border-radius: 6px;
}
.pill-green { background: var(--color-green-glow); color: var(--color-green); }
.pill-red { background: var(--color-red-glow); color: var(--color-red); }
.pill-violet { background: var(--color-violet-glow); color: var(--color-violet); }

/* Controls Panel */
.controls-panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
  margin-bottom: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.search-wrap {
  flex: 1 1 260px;
  position: relative;
  display: flex;
  align-items: center;
}
.search-icon {
  position: absolute;
  left: 12px;
  width: 18px;
  height: 18px;
  stroke: var(--text-muted);
  stroke-width: 2;
  fill: none;
}
.search-wrap input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: #fff;
  padding: 10px 38px;
  border-radius: 10px;
  font-family: var(--font-sans);
  font-size: 0.9rem;
  outline: none;
  transition: border-color 0.2s;
}
.search-wrap input:focus {
  border-color: var(--accent);
}
.clear-input-btn {
  position: absolute;
  right: 12px;
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}
.dropdown-group {
  display: flex;
  gap: 8px;
  flex: 1 1 auto;
}
.select-box {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: #fff;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.88rem;
  font-family: var(--font-sans);
  outline: none;
  cursor: pointer;
}

/* View Selector Bar */
.view-selector-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border);
  padding-top: 14px;
}
.view-title {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-weight: 600;
  text-transform: uppercase;
}
.view-buttons {
  display: flex;
  gap: 6px;
  background: var(--bg);
  padding: 4px;
  border-radius: 10px;
  border: 1px solid var(--border);
  overflow-x: auto;
  max-width: 100%;
}
.view-btn {
  background: transparent;
  border: none;
  color: var(--text-secondary);
  padding: 8px 14px;
  border-radius: 7px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  transition: all 0.2s ease;
}
.view-btn.active {
  background: var(--surface-hover);
  color: #fff;
  border: 1px solid var(--border-active);
}
.v-icon {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

/* Interactive Sticky Selection Toolbar */
.selection-toolbar {
  position: sticky;
  top: 70px;
  z-index: 40;
  background: #1e293b;
  border: 1px solid #334155;
  border-radius: 12px;
  padding: 10px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  flex-wrap: wrap;
}
.selection-info {
  font-size: 0.9rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
}
.badge {
  background: var(--accent);
  color: #000;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-family: var(--font-mono);
  font-weight: 800;
}
.selection-quick-tools {
  display: flex;
  gap: 6px;
}
.quick-sel-btn {
  background: #334155;
  color: #e2e8f0;
  border: none;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}
.quick-sel-btn:hover { background: #475569; }
.selection-actions {
  display: flex;
  gap: 8px;
}
.btn-primary, .btn-secondary, .action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 700;
  cursor: pointer;
  border: none;
  transition: 0.2s ease;
}
.btn-primary {
  background: var(--accent);
  color: #04121e;
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn-secondary {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-active);
}
.action-btn {
  background: var(--surface);
  color: #fff;
  border: 1px solid var(--border);
}

/* ========================================================
   VIEW 1: TIMELINE VIEW (Latest First Clean Cards)
   ======================================================== */
.timeline-mode {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.timeline-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
  user-select: none;
}
.timeline-item:hover {
  background: var(--surface-hover);
  border-color: var(--border-active);
}
.timeline-item.selected {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.08);
}
.checkbox-custom {
  width: 20px;
  height: 20px;
  border-radius: 6px;
  border: 2px solid var(--border-active);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.timeline-item.selected .checkbox-custom {
  background: var(--accent);
  border-color: var(--accent);
}
.checkbox-custom::after {
  content: "✓";
  font-size: 13px;
  color: #000;
  font-weight: 800;
  display: none;
}
.timeline-item.selected .checkbox-custom::after {
  display: block;
}
.item-meta {
  flex: 1;
  display: flex;
  flex-direction: column;
}
.period-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  color: #fff;
}
.item-date {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.item-result-badges {
  display: flex;
  align-items: center;
  gap: 10px;
}

/* Ball Component */
.num-ball {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.15rem;
  color: #fff;
  box-shadow: inset 0 2px 4px rgba(255,255,255,0.3), 0 4px 10px rgba(0,0,0,0.4);
}
.ball-green { background: linear-gradient(135deg, #10b981, #047857); }
.ball-red { background: linear-gradient(135deg, #ef4444, #b91c1c); }
.ball-violet { background: linear-gradient(135deg, #a855f7, #6b21a8); }
.ball-red-violet { background: linear-gradient(135deg, #ef4444 50%, #a855f7 50%); }
.ball-green-violet { background: linear-gradient(135deg, #10b981 50%, #a855f7 50%); }

.tag-size {
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  font-family: var(--font-mono);
}
.tag-size.Big { background: rgba(245, 158, 11, 0.15); color: #f59e0b; border: 1px solid rgba(245, 158, 11, 0.3); }
.tag-size.Small { background: rgba(56, 189, 248, 0.15); color: #38bdf8; border: 1px solid rgba(56, 189, 248, 0.3); }

/* ========================================================
   VIEW 2: COMPACT TABLE VIEW
   ======================================================== */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.responsive-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: 0.88rem;
}
.responsive-table th {
  background: #141d2d;
  color: var(--text-muted);
  padding: 12px 14px;
  font-weight: 700;
  text-transform: uppercase;
  font-size: 0.72rem;
  border-bottom: 1px solid var(--border);
}
.responsive-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: #fff;
}
.responsive-table tr.selected {
  background: rgba(56, 189, 248, 0.08);
}

/* ========================================================
   VIEW 3: GROUPED / BATCHED (10s) VIEW
   ======================================================== */
.grouped-batch {
  margin-bottom: 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.batch-header {
  background: #172235;
  padding: 10px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border);
}
.batch-title {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent);
}
.batch-select-all {
  background: transparent;
  border: none;
  color: var(--text-muted);
  font-size: 0.75rem;
  cursor: pointer;
  text-decoration: underline;
}
.batch-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 8px;
  padding: 12px;
}
.batch-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
}
.batch-card.selected {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.1);
}

/* ========================================================
   VIEW 4: NUMBER FOCUSED VIEW
   ======================================================== */
.number-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  gap: 10px;
}
.number-cell {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  transition: transform 0.1s;
}
.number-cell:active { transform: scale(0.96); }
.number-cell.selected {
  border-color: var(--accent);
  background: rgba(56, 189, 248, 0.12);
}
.cell-period {
  font-size: 0.65rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
}

/* States & Load More */
.state-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  color: var(--text-muted);
  gap: 12px;
}
.spinner {
  width: 32px;
  height: 32px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.load-more-wrap {
  display: flex;
  justify-content: center;
  margin-top: 30px;
}
.load-more-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: #fff;
  padding: 12px 30px;
  border-radius: 10px;
  font-weight: 700;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s;
}
.load-more-btn:hover {
  background: var(--surface-hover);
  border-color: var(--accent);
}

/* Toast */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #10b981;
  color: #000;
  padding: 10px 22px;
  border-radius: 30px;
  font-weight: 800;
  font-size: 0.88rem;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
  z-index: 100;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
.toast.hidden, .hidden { display: none !important; }

.icon {
  width: 18px;
  height: 18px;
  stroke: currentColor;
  stroke-width: 2;
  fill: none;
}

/* Mobile Friendly Rules */
@media (max-width: 640px) {
  .nav-container { padding: 10px 14px; }
  .controls-panel { padding: 12px; }
  .view-buttons { width: 100%; }
  .view-btn { flex: 1; justify-content: center; padding: 8px 6px; font-size: 0.75rem; }
  .selection-toolbar { flex-direction: column; align-items: stretch; gap: 8px; }
  .selection-quick-tools { justify-content: space-between; }
  .selection-actions { justify-content: flex-end; }
  .num-ball { width: 34px; height: 34px; font-size: 1rem; }
}