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

:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.8);
  --bg-glass: rgba(255, 255, 255, 0.04);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-active: rgba(99, 102, 241, 0.5);
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --accent: #6366f1;
  --accent-hover: #818cf8;
  --accent-glow: rgba(99, 102, 241, 0.25);
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --gradient-1: linear-gradient(135deg, #6366f1, #8b5cf6);
  --gradient-2: linear-gradient(135deg, #0ea5e9, #6366f1);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 16px;
  --shadow: 0 4px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --transition: 0.2s ease;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  min-height: 100vh;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ===== LOGIN ===== */
.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse at 20% 50%, rgba(99, 102, 241, 0.12) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 20%, rgba(139, 92, 246, 0.08) 0%, transparent 50%);
  padding: 20px;
}

.login-card {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg);
  text-align: center;
  animation: fadeUp 0.5s ease;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.login-icon {
  font-size: 48px;
  margin-bottom: 16px;
  filter: drop-shadow(0 0 20px rgba(99, 102, 241, 0.4));
}

.login-card h1 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 8px;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.login-subtitle {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 32px;
}

.input-group {
  text-align: left;
  margin-bottom: 20px;
}

.input-group label {
  display: block;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.input-group input {
  width: 100%;
  padding: 12px 16px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.95rem;
  font-family: inherit;
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.input-group input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

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

.btn-login {
  width: 100%;
  padding: 13px;
  background: var(--gradient-1);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  margin-top: 8px;
}

.btn-login:hover { opacity: 0.9; transform: translateY(-1px); }
.btn-login:active { transform: translateY(0); }

.login-error {
  color: var(--danger);
  font-size: 0.85rem;
  margin-top: 16px;
  min-height: 20px;
}

/* ===== HEADER ===== */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 32px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.header-icon { font-size: 28px; }

.header-left h1 {
  font-size: 1.25rem;
  font-weight: 700;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

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

.btn-logout {
  background: none;
  border: 1px solid rgba(239, 68, 68, 0.3);
  color: var(--danger);
  padding: 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
}

.btn-logout:hover {
  background: rgba(239, 68, 68, 0.1);
  border-color: var(--danger);
}

/* ===== FILTERS ===== */
.filters-section {
  padding: 20px 32px;
}

.filters-bar {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  align-items: flex-end;
}

.filter-dates {
  display: flex;
  gap: 12px;
}

.filter-selects {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  flex: 1;
}

.filter-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.filter-item label {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.filter-item input[type="date"] {
  padding: 8px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 0.85rem;
  outline: none;
  transition: border-color var(--transition);
  color-scheme: dark;
}

.filter-item input[type="date"]:focus {
  border-color: var(--accent);
}

/* Multi Select */
.multi-select {
  position: relative;
  min-width: 160px;
}

.ms-trigger {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 0.85rem;
  transition: border-color var(--transition);
  user-select: none;
}

.ms-trigger:hover { border-color: var(--accent); }
.ms-label { color: var(--text-secondary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 120px; }
.ms-arrow { color: var(--text-muted); margin-left: 8px; font-size: 0.7rem; }

.ms-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  max-height: 240px;
  overflow-y: auto;
  z-index: 50;
  box-shadow: var(--shadow);
  padding: 4px;
}

.ms-dropdown.open { display: block; }

.ms-option {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  cursor: pointer;
  font-size: 0.83rem;
  border-radius: 6px;
  transition: background var(--transition);
  color: var(--text-primary);
}

.ms-option:hover { background: var(--bg-glass); }

.ms-option input[type="checkbox"] {
  accent-color: var(--accent);
  width: 15px;
  height: 15px;
  cursor: pointer;
}

.filter-actions {
  display: flex;
  gap: 8px;
  align-items: flex-end;
}

.btn-primary {
  padding: 9px 24px;
  background: var(--gradient-1);
  border: none;
  border-radius: var(--radius-sm);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
}

.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-secondary {
  padding: 9px 20px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

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

.btn-sm { padding: 7px 14px; font-size: 0.8rem; display: flex; align-items: center; gap: 6px; }

/* ===== SUMMARY CARDS ===== */
.summary-section {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
  padding: 0 32px 20px;
}

.summary-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition), border-color var(--transition);
}

.summary-card:hover {
  transform: translateY(-2px);
  border-color: var(--border-active);
}

.card-icon { font-size: 32px; }

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

.card-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
}

.card-label {
  font-size: 0.8rem;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* ===== CHART SECTION ===== */
.chart-section {
  margin: 0 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
}

.chart-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}

.chart-header h2 {
  font-size: 1.1rem;
  font-weight: 600;
  margin-right: auto;
}

.chart-tabs, .chart-metric-tabs {
  display: flex;
  gap: 4px;
  background: var(--bg-glass);
  padding: 3px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

.chart-tab, .metric-tab {
  padding: 6px 14px;
  background: none;
  border: none;
  border-radius: 6px;
  color: var(--text-muted);
  font-size: 0.8rem;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
}

.chart-tab:hover, .metric-tab:hover { color: var(--text-primary); }
.chart-tab.active, .metric-tab.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 2px 8px var(--accent-glow);
}

.chart-container {
  position: relative;
  height: 380px;
}

.chart-container-line { height: 260px; }

.chart-hint {
  text-align: center;
  color: var(--text-muted);
  font-size: 0.78rem;
  margin-top: 12px;
  font-style: italic;
}

/* ===== DETAIL TABLE ===== */
.detail-section {
  margin: 0 32px 20px;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
}

.detail-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

.detail-header h2 { font-size: 1.1rem; font-weight: 600; }

.detail-actions { display: flex; gap: 8px; }

.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.83rem;
}

thead th {
  background: rgba(99, 102, 241, 0.1);
  color: var(--text-secondary);
  font-weight: 600;
  text-transform: uppercase;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  padding: 12px 14px;
  text-align: left;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
  transition: color var(--transition);
  position: sticky;
  top: 0;
}

thead th:hover { color: var(--accent-hover); }

.sort-icon { font-size: 0.7rem; opacity: 0.5; }

tbody td {
  padding: 10px 14px;
  border-top: 1px solid var(--border-color);
  white-space: nowrap;
  color: var(--text-primary);
}

tbody tr {
  transition: background var(--transition);
}

tbody tr:hover { background: rgba(99, 102, 241, 0.05); }

tbody tr:nth-child(even) { background: rgba(255, 255, 255, 0.015); }
tbody tr:nth-child(even):hover { background: rgba(99, 102, 241, 0.05); }

.table-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  flex-wrap: wrap;
  gap: 12px;
}

#table-info {
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.pagination {
  display: flex;
  gap: 4px;
}

.pagination button {
  padding: 6px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  color: var(--text-secondary);
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition);
}

.pagination button:hover { border-color: var(--accent); color: var(--text-primary); }
.pagination button.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.pagination button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ===== FOOTER ===== */
.footer {
  text-align: center;
  padding: 24px 32px;
  color: var(--text-muted);
  font-size: 0.8rem;
  border-top: 1px solid var(--border-color);
}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.1); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .header { padding: 14px 16px; }
  .filters-section,
  .summary-section,
  .chart-section,
  .detail-section { margin-left: 16px; margin-right: 16px; padding-left: 16px; padding-right: 16px; }
  .filters-bar { flex-direction: column; }
  .filter-dates, .filter-selects { flex-wrap: wrap; }
  .chart-header { flex-direction: column; align-items: flex-start; }
  .chart-tabs { flex-wrap: wrap; }
}

@media (max-width: 600px) {
  .header-left h1 { font-size: 1rem; }
  .summary-section { grid-template-columns: 1fr 1fr; }
  .card-value { font-size: 1.2rem; }
  .chart-container { height: 300px; }
}