/* ═══════════════════════════════════════════════════════════════
   Giman Bookkeeping System — Premium Dark Theme
   ═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  /* Core palette */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.8);
  --bg-card-hover: rgba(30, 41, 59, 0.9);
  --bg-glass: rgba(15, 23, 42, 0.6);
  --bg-input: rgba(30, 41, 59, 0.8);
  --bg-modal: rgba(15, 23, 42, 0.95);
  
  /* Accent colors */
  --accent-blue: #3b82f6;
  --accent-blue-glow: rgba(59, 130, 246, 0.3);
  --accent-indigo: #6366f1;
  --accent-purple: #8b5cf6;
  --accent-emerald: #10b981;
  --accent-emerald-glow: rgba(16, 185, 129, 0.3);
  --accent-amber: #f59e0b;
  --accent-rose: #f43f5e;
  --accent-cyan: #06b6d4;
  --accent-teal: #14b8a6;
  
  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #93c5fd;
  
  /* Borders */
  --border-subtle: rgba(148, 163, 184, 0.1);
  --border-active: rgba(59, 130, 246, 0.4);
  --border-glass: rgba(255, 255, 255, 0.06);
  
  /* Gradients */
  --grad-blue: linear-gradient(135deg, #3b82f6, #6366f1);
  --grad-green: linear-gradient(135deg, #10b981, #14b8a6);
  --grad-purple: linear-gradient(135deg, #8b5cf6, #a855f7);
  --grad-amber: linear-gradient(135deg, #f59e0b, #ef4444);
  --grad-rose: linear-gradient(135deg, #f43f5e, #ec4899);
  --grad-cyan: linear-gradient(135deg, #06b6d4, #3b82f6);
  --grad-dark: linear-gradient(180deg, #0a0e1a 0%, #111827 100%);
  
  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
  --shadow-glow-blue: 0 0 20px rgba(59,130,246,0.15);
  --shadow-glow-green: 0 0 20px rgba(16,185,129,0.15);
  --shadow-glow-purple: 0 0 20px rgba(139,92,246,0.15);
  
  /* Radius */
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ─── Reset & Base ──────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 14px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* Animated background pattern */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background: 
    radial-gradient(ellipse at 20% 20%, rgba(59, 130, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 80%, rgba(139, 92, 246, 0.05) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(16, 185, 129, 0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

a { color: var(--accent-blue); text-decoration: none; }
a:hover { color: var(--text-accent); }

/* Custom scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(148,163,184,0.2); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(148,163,184,0.35); }

/* ─── Login Screen ──────────────────────────────────────────── */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--grad-dark);
  position: relative;
  z-index: 1;
}

.login-card {
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  padding: 3rem;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-lg), var(--shadow-glow-blue);
  animation: fadeSlideUp 0.5s ease-out;
}

.login-card h1 {
  font-size: 1.6rem;
  font-weight: 800;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-align: center;
  margin-bottom: 0.3rem;
}

.login-card .subtitle {
  color: var(--text-secondary);
  text-align: center;
  font-size: 0.85rem;
  margin-bottom: 2rem;
}

.login-card .logo-icon {
  text-align: center;
  margin-bottom: 1.5rem;
  font-size: 3rem;
  color: var(--accent-blue);
}

/* ─── Layout ────────────────────────────────────────────────── */
.app-layout {
  display: flex;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

/* ─── Sidebar ───────────────────────────────────────────────── */
.sidebar {
  width: 260px;
  min-height: 100vh;
  background: var(--bg-glass);
  backdrop-filter: blur(20px);
  border-right: 1px solid var(--border-glass);
  padding: 1.5rem 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  transition: transform var(--transition-smooth);
}

.sidebar-header {
  padding: 0 1.5rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
}

.sidebar-header h2 {
  font-size: 1.15rem;
  font-weight: 800;
  background: var(--grad-blue);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sidebar-header .brand-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 400;
  margin-top: 2px;
}

.sidebar-nav {
  flex: 1;
  overflow-y: auto;
  padding: 0 0.75rem;
}

.nav-section {
  margin-bottom: 1.5rem;
}

.nav-section-title {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  padding: 0 0.75rem;
  margin-bottom: 0.5rem;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  margin-bottom: 2px;
}

.nav-item:hover {
  background: rgba(59, 130, 246, 0.08);
  color: var(--text-primary);
}

.nav-item.active {
  background: rgba(59, 130, 246, 0.12);
  color: var(--accent-blue);
  font-weight: 600;
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: var(--accent-blue);
  border-radius: 0 3px 3px 0;
}

.nav-item i {
  width: 20px;
  text-align: center;
  font-size: 0.9rem;
}

.nav-badge {
  margin-left: auto;
  background: var(--accent-rose);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.sidebar-footer {
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.sync-indicator {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  color: var(--text-muted);
}

.sync-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent-emerald);
  animation: pulse 2s infinite;
}

.sync-dot.error { background: var(--accent-rose); }
.sync-dot.syncing { background: var(--accent-amber); animation: pulse 0.5s infinite; }

/* ─── Main Content ──────────────────────────────────────────── */
.main-content {
  flex: 1;
  margin-left: 260px;
  padding: 1.5rem 2rem;
  min-height: 100vh;
}

/* ─── Top Bar ───────────────────────────────────────────────── */
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}

.top-bar-left h1 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--text-primary);
}

.top-bar-left .breadcrumb {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.top-bar-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ─── Stats Cards ───────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  position: relative;
  overflow: hidden;
  transition: all var(--transition-smooth);
}

.stat-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--border-active);
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
}

.stat-card.blue::before { background: var(--grad-blue); }
.stat-card.green::before { background: var(--grad-green); }
.stat-card.purple::before { background: var(--grad-purple); }
.stat-card.amber::before { background: var(--grad-amber); }
.stat-card.rose::before { background: var(--grad-rose); }
.stat-card.cyan::before { background: var(--grad-cyan); }

.stat-card .stat-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.stat-card.blue .stat-icon { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.stat-card.green .stat-icon { background: rgba(16,185,129,0.15); color: var(--accent-emerald); }
.stat-card.purple .stat-icon { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.stat-card.amber .stat-icon { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.stat-card.rose .stat-icon { background: rgba(244,63,94,0.15); color: var(--accent-rose); }
.stat-card.cyan .stat-icon { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }

.stat-card .stat-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.stat-card .stat-value {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--text-primary);
  margin: 0.25rem 0;
  font-variant-numeric: tabular-nums;
}

.stat-card .stat-change {
  font-size: 0.75rem;
  font-weight: 600;
}

.stat-card .stat-change.positive { color: var(--accent-emerald); }
.stat-card .stat-change.negative { color: var(--accent-rose); }

/* ─── Panel / Card ──────────────────────────────────────────── */
.panel {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 1.5rem;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border-subtle);
}

.panel-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.panel-body {
  padding: 1.25rem;
}

.panel-body.no-pad { padding: 0; }

/* ─── Table ─────────────────────────────────────────────────── */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table thead th {
  background: rgba(15, 23, 42, 0.6);
  padding: 0.75rem 1rem;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-align: left;
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 5;
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-fast);
}

.data-table tbody tr:hover {
  background: rgba(59, 130, 246, 0.04);
}

.data-table tbody td {
  padding: 0.7rem 1rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  vertical-align: middle;
}

.data-table .cell-bold {
  color: var(--text-primary);
  font-weight: 600;
}

.data-table .cell-amount {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  text-align: right;
}

.data-table .cell-amount.positive { color: var(--accent-emerald); }
.data-table .cell-amount.negative { color: var(--accent-rose); }

/* ─── Forms ─────────────────────────────────────────────────── */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.35rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 0.6rem 0.85rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: inherit;
  transition: all var(--transition-fast);
  outline: none;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 3px var(--accent-blue-glow);
}

.form-textarea {
  resize: vertical;
  min-height: 80px;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
  background-size: 16px;
  padding-right: 2.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.form-row-3 { grid-template-columns: repeat(3, 1fr); }
.form-row-4 { grid-template-columns: repeat(4, 1fr); }

/* ─── Buttons ───────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: all var(--transition-fast);
  outline: none;
  white-space: nowrap;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
  background: var(--grad-blue);
  color: white;
  box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}
.btn-primary:hover { box-shadow: 0 4px 16px rgba(59,130,246,0.4); filter: brightness(1.1); }

.btn-success {
  background: var(--grad-green);
  color: white;
  box-shadow: 0 2px 8px rgba(16,185,129,0.3);
}
.btn-success:hover { box-shadow: 0 4px 16px rgba(16,185,129,0.4); filter: brightness(1.1); }

.btn-danger {
  background: var(--grad-rose);
  color: white;
}
.btn-danger:hover { filter: brightness(1.1); }

.btn-warning {
  background: var(--grad-amber);
  color: white;
}

.btn-purple {
  background: var(--grad-purple);
  color: white;
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-subtle);
}
.btn-ghost:hover { background: rgba(255,255,255,0.05); color: var(--text-primary); border-color: var(--border-active); }

.btn-icon {
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: var(--radius-md);
}

.btn-sm {
  padding: 0.35rem 0.75rem;
  font-size: 0.75rem;
}

.btn-lg {
  padding: 0.75rem 1.5rem;
  font-size: 0.95rem;
}

/* ─── Status Badges ─────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.badge-success { background: rgba(16,185,129,0.15); color: var(--accent-emerald); }
.badge-warning { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.badge-danger { background: rgba(244,63,94,0.15); color: var(--accent-rose); }
.badge-info { background: rgba(59,130,246,0.15); color: var(--accent-blue); }
.badge-purple { background: rgba(139,92,246,0.15); color: var(--accent-purple); }
.badge-neutral { background: rgba(148,163,184,0.15); color: var(--text-secondary); }
.badge-cyan { background: rgba(6,182,212,0.15); color: var(--accent-cyan); }

/* ─── Charts Container ──────────────────────────────────────── */
.chart-container {
  position: relative;
  width: 100%;
  height: 280px;
}

.chart-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 1rem;
  margin-bottom: 1.5rem;
}

/* ─── Modal ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  padding: 2rem;
  animation: fadeIn 0.2s ease-out;
}

.modal-overlay.active { display: flex; }

.modal {
  background: var(--bg-modal);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-xl);
  width: 100%;
  max-width: 640px;
  max-height: 85vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalSlideUp 0.3s ease-out;
}

.modal-lg { max-width: 900px; }
.modal-xl { max-width: 1100px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.modal-header h3 {
  font-size: 1.05rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.modal-close {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: none;
  background: rgba(255,255,255,0.05);
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.modal-close:hover { background: rgba(244,63,94,0.2); color: var(--accent-rose); }

.modal-body { padding: 1.5rem; }
.modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

/* ─── Tabs ──────────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1rem;
  overflow-x: auto;
}

.tab-item {
  padding: 0.7rem 1.25rem;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
  white-space: nowrap;
}

.tab-item:hover { color: var(--text-primary); }
.tab-item.active {
  color: var(--accent-blue);
  border-bottom-color: var(--accent-blue);
}

/* ─── Search & Filter Bar ───────────────────────────────────── */
.filter-bar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.search-box {
  position: relative;
  flex: 1;
  min-width: 200px;
}

.search-box i {
  position: absolute;
  left: 0.75rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 0.85rem;
}

.search-box input {
  width: 100%;
  padding: 0.55rem 0.85rem 0.55rem 2.25rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.85rem;
  font-family: inherit;
  outline: none;
  transition: all var(--transition-fast);
}

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

.filter-select {
  padding: 0.55rem 2.25rem 0.55rem 0.85rem;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 0.82rem;
  font-family: inherit;
  outline: none;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.5rem center;
  background-size: 14px;
}

/* ─── Empty State ───────────────────────────────────────────── */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 2rem;
  text-align: center;
}

.empty-state i {
  font-size: 3rem;
  color: var(--text-muted);
  opacity: 0.3;
  margin-bottom: 1rem;
}

.empty-state h4 {
  font-size: 1rem;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.empty-state p {
  font-size: 0.8rem;
  color: var(--text-muted);
  max-width: 300px;
}

/* ─── Toast / Notification ──────────────────────────────────── */
.toast-container {
  position: fixed;
  top: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  background: var(--bg-modal);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-md);
  padding: 0.75rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease-out;
  min-width: 280px;
  font-size: 0.85rem;
}

.toast.success { border-left: 3px solid var(--accent-emerald); }
.toast.error { border-left: 3px solid var(--accent-rose); }
.toast.warning { border-left: 3px solid var(--accent-amber); }
.toast.info { border-left: 3px solid var(--accent-blue); }

.toast.fade-out { animation: toastOut 0.3s ease-in forwards; }

/* ─── Giman Sync Status Card ───────────────────────────────── */
.giman-sync-card {
  background: linear-gradient(135deg, rgba(59,130,246,0.08), rgba(139,92,246,0.08));
  border: 1px solid rgba(59,130,246,0.2);
  border-radius: var(--radius-lg);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}

.giman-sync-card .sync-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.5rem;
}

.giman-sync-card .sync-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.giman-sync-card .sync-stat {
  text-align: center;
  padding: 0.5rem;
  background: rgba(0,0,0,0.2);
  border-radius: var(--radius-sm);
}

.giman-sync-card .sync-stat .value {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--accent-blue);
}

.giman-sync-card .sync-stat .label {
  font-size: 0.65rem;
  color: var(--text-muted);
  text-transform: uppercase;
}

/* ─── Invoice Preview ───────────────────────────────────────── */
.invoice-preview {
  background: white;
  color: #1a1a1a;
  border-radius: var(--radius-md);
  padding: 2rem;
  max-width: 800px;
  margin: 0 auto;
}

.invoice-preview h1 { color: #1a1a1a; }
.invoice-preview .inv-header { display: flex; justify-content: space-between; margin-bottom: 2rem; }
.invoice-preview .inv-table { width: 100%; border-collapse: collapse; margin: 1rem 0; }
.invoice-preview .inv-table th { background: #f3f4f6; padding: 0.5rem; text-align: left; font-size: 0.8rem; border-bottom: 2px solid #e5e7eb; }
.invoice-preview .inv-table td { padding: 0.5rem; border-bottom: 1px solid #e5e7eb; font-size: 0.85rem; }
.invoice-preview .inv-total { text-align: right; font-size: 1.1rem; font-weight: 700; margin-top: 1rem; }

/* ─── Section Pages ─────────────────────────────────────────── */
.page-section { display: none; }
.page-section.active { display: block; animation: fadeIn 0.3s ease-out; }

/* ─── Grid Layouts ──────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }

/* ─── Utility Classes ───────────────────────────────────────── */
.text-right { text-align: right; }
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-blue { color: var(--accent-blue); }
.text-green { color: var(--accent-emerald); }
.text-red { color: var(--accent-rose); }
.text-amber { color: var(--accent-amber); }
.text-purple { color: var(--accent-purple); }
.font-bold { font-weight: 700; }
.font-mono { font-family: 'JetBrains Mono', 'Fira Code', monospace; font-variant-numeric: tabular-nums; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.gap-1 { gap: 0.5rem; }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-wrap { flex-wrap: wrap; }
.hidden { display: none !important; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.w-full { width: 100%; }
.cursor-pointer { cursor: pointer; }
.relative { position: relative; }

/* ─── Animations ────────────────────────────────────────────── */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(30px) scale(0.97); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}

@keyframes toastIn {
  from { opacity: 0; transform: translateX(40px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes toastOut {
  from { opacity: 1; transform: translateX(0); }
  to { opacity: 0; transform: translateX(40px); }
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.spin { animation: spin 1s linear infinite; }

/* ─── Responsive ────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .chart-grid { grid-template-columns: 1fr; }
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .form-row-3, .form-row-4 { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .stats-grid { grid-template-columns: 1fr; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .main-content { padding: 1rem; }
  .modal { margin: 1rem; }
  .filter-bar { flex-direction: column; }
  .search-box { min-width: 100%; }
}

/* ─── Print ─────────────────────────────────────────────────── */
@media print {
  body { background: white; color: black; }
  .sidebar, .top-bar, .btn, .nav-item, .modal-overlay, .toast-container { display: none !important; }
  .main-content { margin-left: 0; padding: 0; }
  .panel { border: 1px solid #ddd; box-shadow: none; }
  .invoice-preview { box-shadow: none; }
}