/* ============================================
   匠如初记账 v2.0 - Premium Dark Theme
   ============================================ */

/* === CSS Variables === */
:root {
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-tertiary: #1e293b;
  --bg-card: rgba(17, 24, 39, 0.8);
  --border-color: rgba(55, 65, 81, 0.5);
  --accent: #3b82f6;
  --accent-hover: #60a5fa;
  --accent-light: rgba(59, 130, 246, 0.12);
  --accent-glow: rgba(59, 130, 246, 0.25);
  --success: #10b981;
  --success-light: rgba(16, 185, 129, 0.12);
  --warning: #f59e0b;
  --warning-light: rgba(245, 158, 11, 0.12);
  --danger: #ef4444;
  --danger-light: rgba(239, 68, 68, 0.12);
  --purple: #8b5cf6;
  --purple-light: rgba(139, 92, 246, 0.12);
  --info-light: rgba(6, 182, 212, 0.12);
  --info: #06b6d4;
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
  --shadow: 0 4px 12px rgba(0,0,0,0.4);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px var(--accent-glow);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-fast: all 0.15s ease;
  --sidebar-width: 260px;
  --bottom-bar-height: 68px;
  --glass-bg: rgba(17, 24, 39, 0.75);
  --glass-border: rgba(55, 65, 81, 0.4);
  --glass-blur: blur(24px) saturate(180%);
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  background-image:
    radial-gradient(ellipse at 15% 30%, rgba(59, 130, 246, 0.08) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 20%, rgba(139, 92, 246, 0.06) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 90%, rgba(16, 185, 129, 0.04) 0%, transparent 50%);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

a { color: var(--accent); text-decoration: none; transition: var(--transition-fast); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; }

/* === Scrollbar === */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(100,116,139,0.25); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(100,116,139,0.4); }

/* === Layout === */
.app-layout { display: flex; min-height: 100vh; }

/* === Sidebar === */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0;
  width: var(--sidebar-width);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-right: 1px solid var(--glass-border);
  display: flex; flex-direction: column;
  z-index: 100; transition: var(--transition);
  overflow-y: auto;
}

.sidebar-header {
  padding: 28px 24px 20px;
  border-bottom: 1px solid var(--glass-border);
}

.sidebar-logo { display: flex; align-items: center; gap: 14px; }

.sidebar-logo-icon {
  width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0; transition: var(--transition);
}

.sidebar-logo-icon img {
  width: 100%; height: 100%; border-radius: var(--radius-sm);
  filter: drop-shadow(0 2px 8px rgba(59,130,246,0.3));
}

.sidebar-logo:hover .sidebar-logo-icon { transform: scale(1.05); }

.sidebar-logo-text {
  font-size: 20px; font-weight: 800;
  background: linear-gradient(135deg, #f1f5f9, #94a3b8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  letter-spacing: -0.03em;
}

.sidebar-logo-sub {
  font-size: 11px; color: var(--text-muted);
  margin-top: 2px; letter-spacing: 0.02em;
}

.sidebar-nav { flex: 1; padding: 16px 0; }

.nav-section { padding: 8px 20px 4px; }

.nav-section-title {
  font-size: 10px; font-weight: 700; color: var(--text-muted);
  text-transform: uppercase; letter-spacing: 0.12em;
  padding: 12px 8px 6px;
}

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; margin: 2px 12px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: var(--transition);
  user-select: none; position: relative; overflow: hidden;
}

.nav-item::before {
  content: ''; position: absolute; left: 0; top: 0; bottom: 0;
  width: 3px; background: linear-gradient(180deg, var(--accent), var(--purple));
  border-radius: 0 3px 3px 0;
  transform: scaleY(0); transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}

.nav-item:hover {
  background: rgba(59,130,246,0.08);
  color: var(--text-primary); transform: translateX(2px);
}

.nav-item.active {
  background: var(--accent-light); color: var(--accent);
}

.nav-item.active::before { transform: scaleY(1); }

.nav-item-icon {
  font-size: 18px; width: 24px; text-align: center; flex-shrink: 0;
}

.sidebar-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--glass-border);
}

.user-info {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: var(--radius-sm);
  cursor: pointer; transition: var(--transition);
}

.user-info:hover { background: rgba(59,130,246,0.08); }

.user-avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700; color: white; flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}

.user-name {
  font-size: 13px; font-weight: 600; color: var(--text-primary);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.user-email {
  font-size: 11px; color: var(--text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

.sidebar-logout {
  margin-left: auto; opacity: 0.5; transition: var(--transition-fast);
}

.sidebar-logout:hover { opacity: 1; color: var(--danger); }

/* === Main Content === */
.main-content {
  flex: 1; margin-left: var(--sidebar-width);
  min-height: 100vh; padding: 28px;
  padding-bottom: calc(var(--bottom-bar-height) + 28px);
  animation: pageIn 0.4s cubic-bezier(0.4,0,0.2,1);
}

@keyframes pageIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* === Page Header === */
.page-header {
  display: flex; align-items: center;
  justify-content: space-between;
  margin-bottom: 28px; flex-wrap: wrap; gap: 16px;
}

.page-title {
  font-size: 28px; font-weight: 800; color: var(--text-primary);
  letter-spacing: -0.03em;
  background: linear-gradient(135deg, #f1f5f9, #94a3b8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.page-subtitle {
  font-size: 14px; color: var(--text-muted); margin-top: 4px;
}

/* === Bottom Tab Bar (Mobile) === */
.bottom-bar {
  display: none; position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--bottom-bar-height);
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-top: 1px solid var(--glass-border);
  z-index: 100; padding: 0 12px;
  padding-bottom: env(safe-area-inset-bottom, 0);
}

.bottom-bar-inner {
  display: flex; align-items: center; justify-content: space-around;
  height: 100%; max-width: 500px; margin: 0 auto;
}

.tab-item {
  display: flex; flex-direction: column; align-items: center;
  justify-content: center; gap: 4px;
  padding: 8px 16px; border-radius: var(--radius-sm);
  cursor: pointer; transition: var(--transition);
  color: var(--text-muted); min-width: 64px;
  position: relative;
}

.tab-item:hover, .tab-item.active { color: var(--accent); }

.tab-item.active {
  background: var(--accent-light);
}

.tab-item.active::after {
  content: ''; position: absolute; top: 2px;
  left: 50%; transform: translateX(-50%);
  width: 24px; height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 0 0 4px 4px;
}

.tab-item-icon {
  font-size: 22px; line-height: 1;
  transition: var(--transition);
}

.tab-item.active .tab-item-icon { transform: scale(1.15); }

.tab-item-label {
  font-size: 11px; font-weight: 600; line-height: 1;
}

/* === Cards === */
.card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 24px;
  transition: var(--transition);
  position: relative; overflow: hidden;
}

.card::before {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(59,130,246,0.03), transparent 60%);
  pointer-events: none;
}

.card:hover {
  border-color: rgba(59,130,246,0.2);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
  transform: translateY(-2px);
}

.card-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 20px;
}

.card-title {
  font-size: 17px; font-weight: 700; color: var(--text-primary);
}

.card-subtitle {
  font-size: 13px; color: var(--text-secondary); margin-top: 2px;
}

/* === Stat Cards === */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 16px; margin-bottom: 28px;
}

.stat-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border-radius: var(--radius);
  padding: 24px; position: relative;
  overflow: hidden; transition: var(--transition);
  cursor: default; border: 1px solid var(--border-color);
}

.stat-card::before {
  content: ''; position: absolute; inset: 0;
  border-radius: var(--radius); padding: 1.5px;
  background: linear-gradient(135deg, var(--accent), var(--purple), var(--success));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0.3; transition: var(--transition);
}

.stat-card::after {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(ellipse at center, rgba(59,130,246,0.08) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.4s ease; pointer-events: none;
}

.stat-card:hover::before { opacity: 0.8; }
.stat-card:hover::after { opacity: 1; }
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.stat-card-icon {
  width: 44px; height: 44px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 22px; margin-bottom: 16px;
  transition: var(--transition);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.stat-card:hover .stat-card-icon { transform: scale(1.1) rotate(-3deg); }

.stat-card-icon.blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.stat-card-icon.green { background: linear-gradient(135deg, #10b981, #059669); }
.stat-card-icon.yellow { background: linear-gradient(135deg, #f59e0b, #d97706); }
.stat-card-icon.red { background: linear-gradient(135deg, #ef4444, #dc2626); }
.stat-card-icon.purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.stat-card-icon.cyan { background: linear-gradient(135deg, #06b6d4, #0891b2); }
.stat-card-icon.orange { background: linear-gradient(135deg, #f97316, #ea580c); }

.stat-card-label {
  font-size: 13px; color: var(--text-secondary); margin-bottom: 6px;
}

.stat-card-value {
  font-size: 30px; font-weight: 800; color: var(--text-primary);
  letter-spacing: -0.03em;
}

.stat-card-change {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 12px; font-weight: 600; margin-top: 8px;
  padding: 3px 10px; border-radius: 20px;
}

.stat-card-change.up { color: var(--success); background: var(--success-light); }
.stat-card-change.down { color: var(--danger); background: var(--danger-light); }

/* === Form Elements === */
.form-group { margin-bottom: 20px; }

.form-label {
  display: block; font-size: 13px; font-weight: 600;
  color: var(--text-secondary); margin-bottom: 8px;
}

.form-input, .form-select, .form-textarea {
  width: 100%; padding: 12px 16px;
  background: var(--bg-primary);
  border: 1.5px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary); font-size: 14px; font-family: inherit;
  transition: var(--transition); outline: none;
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-light), 0 0 24px rgba(59,130,246,0.1);
}

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

.form-select {
  cursor: pointer; appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2394a3b8' d='M6 8.825L1.175 4l.825-.825L6 7.175 10 3.175l.825.825z'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: right 14px center;
  padding-right: 40px;
}

.form-select option { background: var(--bg-secondary); color: var(--text-primary); }

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

.form-input[type="date"], .form-input[type="month"], .form-input[type="number"] {
  color-scheme: dark;
}

.form-row {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}

.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.form-error { font-size: 12px; color: var(--danger); margin-top: 4px; }

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 24px;
  border-radius: var(--radius-sm);
  font-size: 14px; font-weight: 600; font-family: inherit;
  cursor: pointer; transition: var(--transition);
  border: 1px solid transparent; white-space: nowrap;
  user-select: none; position: relative; overflow: hidden;
}

.btn::after {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at var(--ripple-x,50%) var(--ripple-y,50%), rgba(255,255,255,0.2) 0%, transparent 60%);
  opacity: 0; transition: opacity 0.4s ease; pointer-events: none;
}

.btn:active::after { opacity: 1; transition: opacity 0s; }

.btn:disabled { opacity: 0.5; cursor: not-allowed; }
.btn:disabled::after { display: none; }

.btn-primary {
  background: linear-gradient(135deg, var(--accent), #2563eb);
  color: white; border-color: var(--accent);
  box-shadow: 0 4px 16px rgba(59,130,246,0.3);
}

.btn-primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #60a5fa, var(--accent));
  box-shadow: 0 6px 24px rgba(59,130,246,0.4);
  transform: translateY(-2px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: white; border-color: var(--success);
  box-shadow: 0 4px 16px rgba(16,185,129,0.3);
}

.btn-success:hover:not(:disabled) {
  background: linear-gradient(135deg, #34d399, var(--success));
  box-shadow: 0 6px 24px rgba(16,185,129,0.4);
  transform: translateY(-2px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: white; border-color: var(--danger);
  box-shadow: 0 4px 16px rgba(239,68,68,0.3);
}

.btn-danger:hover:not(:disabled) {
  background: linear-gradient(135deg, #f87171, var(--danger));
  box-shadow: 0 6px 24px rgba(239,68,68,0.4);
  transform: translateY(-2px);
}

.btn-outline {
  background: transparent; color: var(--text-secondary);
  border-color: var(--border-color);
}

.btn-outline:hover:not(:disabled) {
  background: rgba(59,130,246,0.08);
  color: var(--accent); border-color: rgba(59,130,246,0.3);
}

.btn-ghost { background: transparent; color: var(--text-secondary); padding: 8px; }
.btn-ghost:hover:not(:disabled) { background: var(--bg-tertiary); color: var(--text-primary); }

.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 16px; }
.btn-icon { width: 40px; height: 40px; padding: 0; border-radius: var(--radius-sm); }
.btn-block { width: 100%; }

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

.table { width: 100%; border-collapse: collapse; font-size: 14px; }

.table th {
  background: rgba(30,41,59,0.8);
  color: var(--text-secondary); font-weight: 600; font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.06em;
  padding: 14px 18px; text-align: left;
  white-space: nowrap; border-bottom: 1px solid var(--border-color);
}

.table td {
  padding: 14px 18px; border-bottom: 1px solid var(--border-color);
  color: var(--text-primary);
}

.table tbody tr { transition: var(--transition-fast); }
.table tbody tr:nth-child(even) { background: rgba(15,23,42,0.3); }
.table tbody tr:hover { background: rgba(59,130,246,0.06); }
.table tbody tr:last-child td { border-bottom: none; }

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

/* === Tags / Badges === */
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600; white-space: nowrap;
}

.badge-blue { background: var(--accent-light); color: var(--accent); }
.badge-green { background: var(--success-light); color: var(--success); }
.badge-yellow { background: var(--warning-light); color: var(--warning); }
.badge-red { background: var(--danger-light); color: var(--danger); }
.badge-gray { background: rgba(100,116,139,0.2); color: var(--text-muted); }
.badge-purple { background: var(--purple-light); color: var(--purple); }

/* === Progress Bar === */
.progress {
  width: 100%; height: 8px;
  background: var(--bg-primary); border-radius: 4px; overflow: hidden;
}

.progress-bar {
  height: 100%; border-radius: 4px;
  transition: width 0.8s cubic-bezier(0.4,0,0.2,1);
  background: linear-gradient(90deg, var(--accent), var(--purple));
}

.progress-bar.green { background: linear-gradient(90deg, var(--success), #34d399); }
.progress-bar.yellow { background: linear-gradient(90deg, var(--warning), #fbbf24); }
.progress-bar.red { background: linear-gradient(90deg, var(--danger), #f87171); }

/* === Modal === */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  z-index: 200; display: flex;
  align-items: center; justify-content: center;
  padding: 16px; opacity: 0; visibility: hidden;
  transition: all 0.3s ease;
}

.modal-overlay.active { opacity: 1; visibility: visible; }

.modal {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  width: 100%; max-width: 520px; max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg), 0 0 80px rgba(0,0,0,0.4);
  transform: scale(0.9) translateY(20px);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  display: flex; align-items: center;
  justify-content: space-between;
  padding: 24px; border-bottom: 1px solid var(--glass-border);
}

.modal-title {
  font-size: 18px; font-weight: 700; color: var(--text-primary);
}

.modal-close {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  border-radius: var(--radius-xs); color: var(--text-muted);
  cursor: pointer; transition: var(--transition);
  background: none; border: none; font-size: 18px;
}

.modal-close:hover { background: rgba(239,68,68,0.1); color: var(--danger); }

.modal-body { padding: 24px; }

.modal-footer {
  display: flex; align-items: center;
  justify-content: flex-end; gap: 12px;
  padding: 16px 24px; border-top: 1px solid var(--glass-border);
}

/* === Toast Notifications === */
.toast-container {
  position: fixed; top: 20px; right: 20px; z-index: 300;
  display: flex; flex-direction: column; gap: 10px;
  pointer-events: none;
}

.toast {
  display: flex; align-items: center; gap: 14px;
  padding: 16px 22px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-lg);
  min-width: 280px; max-width: 420px;
  pointer-events: auto;
  animation: toastIn 0.4s cubic-bezier(0.4,0,0.2,1);
  transition: var(--transition); position: relative; overflow: hidden;
}

.toast::after {
  content: ''; position: absolute; bottom: 0; left: 0;
  height: 3px; background: currentColor; opacity: 0.3;
  animation: toastProgress 3s linear forwards;
}

.toast.success::after { color: var(--success); }
.toast.error::after { color: var(--danger); }
.toast.warning::after { color: var(--warning); }
.toast.info::after { color: var(--accent); }

@keyframes toastProgress { from { width: 100%; } to { width: 0%; } }

.toast.removing { animation: toastOut 0.3s cubic-bezier(0.4,0,0.2,1) forwards; }

.toast-icon { font-size: 20px; flex-shrink: 0; }
.toast-message { font-size: 14px; color: var(--text-primary); flex: 1; }

.toast-close {
  background: none; border: none; color: var(--text-muted);
  cursor: pointer; padding: 4px; font-size: 14px; transition: var(--transition-fast);
}

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

.toast.success { border-left: 3px solid var(--success); }
.toast.success .toast-icon { color: var(--success); }
.toast.error { border-left: 3px solid var(--danger); }
.toast.error .toast-icon { color: var(--danger); }
.toast.warning { border-left: 3px solid var(--warning); }
.toast.warning .toast-icon { color: var(--warning); }
.toast.info { border-left: 3px solid var(--accent); }
.toast.info .toast-icon { color: var(--accent); }

@keyframes toastIn {
  from { transform: translateX(120%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

@keyframes toastOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(120%); opacity: 0; }
}

/* === Loading Spinner === */
.spinner-overlay {
  position: fixed; inset: 0;
  background: rgba(10,14,26,0.8);
  backdrop-filter: blur(6px); z-index: 250;
  display: flex; align-items: center; justify-content: center;
  opacity: 0; visibility: hidden; transition: var(--transition);
}

.spinner-overlay.active { opacity: 1; visibility: visible; }

.spinner {
  width: 44px; height: 44px;
  border: 3px solid rgba(59,130,246,0.15);
  border-top-color: var(--accent);
  border-radius: 50%; animation: spin 0.7s linear infinite;
}

.spinner-sm {
  width: 20px; height: 20px; border-width: 2px;
  display: inline-block; vertical-align: middle;
}

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

.loading-content {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 16px; padding: 80px 20px;
  color: var(--text-secondary); font-size: 14px;
}

/* === Empty State === */
.empty-state {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 20px; padding: 80px 20px; text-align: center;
}

.empty-state-icon {
  font-size: 56px; opacity: 0.6;
  animation: emptyBounce 2s ease-in-out infinite;
}

@keyframes emptyBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.empty-state-title {
  font-size: 20px; font-weight: 700; color: var(--text-primary);
}

.empty-state-text {
  font-size: 14px; color: var(--text-secondary); max-width: 360px;
}

/* === Pagination === */
.pagination {
  display: flex; align-items: center;
  justify-content: center; gap: 4px; margin-top: 24px;
}

.pagination-btn {
  display: flex; align-items: center; justify-content: center;
  min-width: 38px; height: 38px; padding: 0 10px;
  border-radius: var(--radius-xs); background: transparent;
  color: var(--text-secondary); font-size: 14px; font-weight: 500;
  cursor: pointer; transition: var(--transition);
  border: none; font-family: inherit;
}

.pagination-btn:hover:not(:disabled) {
  background: var(--bg-tertiary); color: var(--text-primary);
}

.pagination-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: white; box-shadow: 0 4px 12px rgba(59,130,246,0.3);
}

.pagination-btn:disabled { opacity: 0.3; cursor: not-allowed; }

/* === Mobile Data Cards === */
.data-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--border-color);
  border-radius: var(--radius);
  padding: 12px; margin-bottom: 8px;
  transition: var(--transition);
}

.data-card:hover {
  border-color: rgba(59,130,246,0.2);
  box-shadow: 0 4px 20px rgba(0,0,0,0.2);
}

.data-card-header {
  display: flex; align-items: center;
  justify-content: space-between; margin-bottom: 8px;
}

.data-card-title {
  font-size: 14px; font-weight: 600; color: var(--text-primary);
}

.data-card-amount { font-size: 16px; font-weight: 800; }
.data-card-amount.income { color: var(--success); }
.data-card-amount.expense { color: var(--danger); }

.data-card-body { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }

.data-card-field { display: flex; flex-direction: column; gap: 1px; }

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

.data-card-field-value { font-size: 12px; color: var(--text-secondary); }

.data-card-footer {
  display: flex; align-items: center;
  justify-content: flex-end; gap: 6px;
  margin-top: 8px; padding-top: 8px;
  border-top: 1px solid var(--border-color);
}

/* === Filter Bar === */
.filter-bar {
  display: flex; align-items: center;
  gap: 12px; margin-bottom: 24px; flex-wrap: wrap;
}

.filter-bar .form-input, .filter-bar .form-select {
  width: auto; min-width: 160px;
}

.filter-bar .form-select { max-width: 200px; }

.search-input-wrapper {
  position: relative; flex: 1; min-width: 200px; max-width: 320px;
}

.search-input-wrapper .form-input { padding-left: 40px; }

.search-input-wrapper .search-icon {
  position: absolute; left: 14px; top: 50%;
  transform: translateY(-50%); color: var(--text-muted);
  font-size: 16px; pointer-events: none;
}

/* === Tabs === */
.tabs {
  display: flex; border-bottom: 1px solid var(--border-color);
  margin-bottom: 24px; overflow-x: auto;
}

.tab {
  padding: 14px 24px; font-size: 14px; font-weight: 600;
  color: var(--text-secondary); cursor: pointer;
  transition: var(--transition); white-space: nowrap;
  position: relative; border: none; background: none; font-family: inherit;
}

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

.tab.active { color: var(--accent); }

.tab.active::after {
  content: ''; position: absolute; bottom: -1px;
  left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--purple));
  border-radius: 1px 1px 0 0;
}

/* === FAB (Floating Action Button) === */
.fab {
  position: fixed; bottom: calc(var(--bottom-bar-height) + 20px);
  right: 20px; width: 56px; height: 56px;
  border-radius: 50%; border: none;
  background: linear-gradient(135deg, var(--accent), var(--purple));
  color: white; font-size: 28px; font-weight: 300;
  cursor: pointer; z-index: 90;
  box-shadow: 0 6px 24px rgba(59,130,246,0.4);
  transition: var(--transition);
  display: none; align-items: center; justify-content: center;
}

.fab:hover {
  transform: scale(1.1) rotate(90deg);
  box-shadow: 0 8px 32px rgba(59,130,246,0.5);
}

.fab:active { transform: scale(0.95); }

@media (max-width: 768px) {
  .fab { display: flex; }
}

/* === Quick Actions === */
.quick-actions {
  display: grid; grid-template-columns: 1fr 1fr; gap: 12px;
}

.quick-action-btn {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px; padding: 20px 16px;
  border-radius: var(--radius); border: 1px solid var(--border-color);
  background: var(--bg-card); backdrop-filter: blur(12px);
  cursor: pointer; transition: var(--transition);
  color: var(--text-primary); font-size: 13px; font-weight: 600;
  font-family: inherit;
}

.quick-action-btn:hover {
  border-color: rgba(59,130,246,0.3);
  background: var(--accent-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.2);
}

.quick-action-icon {
  width: 48px; height: 48px; border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
}

/* === Global Search === */
.global-search-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.8);
  backdrop-filter: blur(12px); z-index: 300;
  display: flex; align-items: flex-start;
  justify-content: center; padding-top: 15vh;
  opacity: 0; visibility: hidden; transition: var(--transition);
}

.global-search-overlay.active { opacity: 1; visibility: visible; }

.global-search-box {
  width: 100%; max-width: 560px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg), 0 0 60px rgba(0,0,0,0.3);
  overflow: hidden;
  transform: scale(0.95) translateY(-20px);
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1);
}

.global-search-overlay.active .global-search-box {
  transform: scale(1) translateY(0);
}

.global-search-input {
  width: 100%; padding: 20px 24px;
  background: transparent; border: none;
  color: var(--text-primary); font-size: 18px;
  font-family: inherit; outline: none;
}

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

.global-search-results {
  max-height: 400px; overflow-y: auto;
  border-top: 1px solid var(--glass-border);
}

.global-search-item {
  display: flex; align-items: center; gap: 14px;
  padding: 14px 24px; cursor: pointer;
  transition: var(--transition-fast);
}

.global-search-item:hover { background: rgba(59,130,246,0.08); }

.global-search-item-icon { font-size: 20px; width: 32px; text-align: center; }

.global-search-item-text { flex: 1; }

.global-search-item-title {
  font-size: 14px; font-weight: 600; color: var(--text-primary);
}

.global-search-item-desc {
  font-size: 12px; color: var(--text-muted); margin-top: 2px;
}

/* === Category Tags === */
.category-tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 12px; border-radius: 20px;
  font-size: 12px; font-weight: 600;
}

.category-tag .cat-dot {
  width: 8px; height: 8px; border-radius: 50%;
}

/* === Utility Classes === */
.text-success { color: var(--success) !important; }
.text-danger { color: var(--danger) !important; }
.text-warning { color: var(--warning) !important; }
.text-muted { color: var(--text-muted) !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.fw-600 { font-weight: 600; }
.fw-700 { font-weight: 700; }
.fw-800 { font-weight: 800; }
.fs-sm { font-size: 13px; }
.fs-xs { font-size: 12px; }
.mt-4 { margin-top: 16px; }
.mb-4 { margin-bottom: 16px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.d-flex { display: flex; }
.flex-wrap { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.hidden { display: none !important; }

/* === Chart placeholder === */
.chart-placeholder {
  height: 300px; display: flex;
  align-items: center; justify-content: center;
  background: var(--bg-primary); border-radius: var(--radius-sm);
  color: var(--text-muted); font-size: 14px;
}

/* === Login Page === */
.login-page {
  min-height: 100vh; display: flex;
  align-items: center; justify-content: center;
  background: var(--bg-primary); padding: 16px;
  position: relative; overflow: hidden;
}

.login-page::before {
  content: ''; position: absolute; top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: radial-gradient(ellipse at center, rgba(59,130,246,0.1) 0%, transparent 60%);
  animation: loginBgPulse 8s ease-in-out infinite;
}

@keyframes loginBgPulse {
  0%, 100% { transform: scale(1); opacity: 0.5; }
  50% { transform: scale(1.15); opacity: 1; }
}

.login-card {
  width: 100%; max-width: 420px;
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 48px 36px; position: relative; z-index: 1;
  box-shadow: var(--shadow-lg), 0 0 100px rgba(59,130,246,0.1);
  animation: loginCardIn 0.6s cubic-bezier(0.4,0,0.2,1);
}

@keyframes loginCardIn {
  from { opacity: 0; transform: translateY(40px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.login-logo { text-align: center; margin-bottom: 36px; }

.login-logo-icon {
  width: 80px; height: 80px;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 20px;
  animation: logoPulse 3s ease-in-out infinite;
}

@keyframes logoPulse {
  0%, 100% { transform: scale(1); filter: drop-shadow(0 0 8px rgba(59,130,246,0.3)); }
  50% { transform: scale(1.05); filter: drop-shadow(0 0 16px rgba(59,130,246,0.5)); }
}

.login-logo-icon img {
  width: 100%; height: 100%; border-radius: var(--radius);
}

.login-title {
  font-size: 26px; font-weight: 800; color: var(--text-primary);
  margin-bottom: 6px;
  background: linear-gradient(135deg, #f1f5f9, #94a3b8);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}

.login-subtitle { font-size: 14px; color: var(--text-secondary); }

.login-error {
  background: var(--danger-light); color: var(--danger);
  padding: 14px 18px; border-radius: var(--radius-sm);
  font-size: 13px; margin-bottom: 16px;
  display: none; animation: shake 0.3s ease;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-6px); }
  75% { transform: translateX(6px); }
}

.login-error.show { display: block; }

/* === Responsive === */
@media (max-width: 768px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open {
    transform: translateX(0);
    box-shadow: 0 0 60px rgba(0,0,0,0.5);
  }

  .main-content {
    margin-left: 0; padding: 12px;
    padding-bottom: calc(var(--bottom-bar-height) + 12px);
  }

  .bottom-bar { display: block; }

  .page-header { margin-bottom: 12px; }
  .page-title { font-size: 20px; }
  .page-subtitle { font-size: 12px; }

  .stat-grid { grid-template-columns: 1fr 1fr; gap: 8px; }
  .stat-card { padding: 12px; }
  .stat-card-icon { width: 36px; height: 36px; font-size: 16px; }
  .stat-card-label { font-size: 11px; margin-bottom: 4px; }
  .stat-card-value { font-size: 18px; }

  .card { padding: 14px; margin-bottom: 12px; }
  .card-header { margin-bottom: 10px; }
  .card-title { font-size: 14px; }

  .form-row { grid-template-columns: 1fr; gap: 8px; }
  .form-group { margin-bottom: 10px; }
  .form-label { font-size: 12px; margin-bottom: 4px; }
  .form-input, .form-select { padding: 8px 10px; font-size: 14px; }

  .filter-bar {
    flex-direction: column; align-items: stretch; gap: 8px; margin-bottom: 12px;
  }

  .filter-bar .form-input, .filter-bar .form-select,
  .search-input-wrapper {
    max-width: 100%; min-width: auto;
  }

  .table-wrapper { display: none; }
  .mobile-cards { display: block; }

  .modal {
    max-width: 100%; margin: 10px;
    max-height: calc(100vh - 20px);
  }
  .modal-header { padding: 12px 14px; }
  .modal-body { padding: 14px; }
  .modal-title { font-size: 16px; }

  .toast-container {
    top: auto; bottom: calc(var(--bottom-bar-height) + 12px);
    right: 12px; left: 12px;
  }

  .toast { min-width: auto; max-width: 100%; padding: 10px 14px; font-size: 13px; }

  .login-card { padding: 28px 20px; }
  .login-logo-icon { width: 72px; height: 72px; }
  .login-title { font-size: 22px; }

  .quick-actions { grid-template-columns: 1fr 1fr; gap: 8px; }
  .quick-action-btn { padding: 12px; font-size: 12px; }
  .quick-action-icon { width: 36px; height: 36px; font-size: 16px; margin-bottom: 6px; }

  .btn { padding: 8px 14px; font-size: 13px; }
  .btn-lg { padding: 10px 18px; font-size: 14px; }
  .btn-sm { padding: 5px 10px; font-size: 12px; }
  .btn-block { width: 100%; }

  .badge { padding: 3px 8px; font-size: 11px; }

  .data-card { padding: 10px; margin-bottom: 6px; }
  .data-card-header { margin-bottom: 6px; }
  .data-card-title { font-size: 13px; }
  .data-card-amount { font-size: 15px; }
  .data-card-body { gap: 4px; }
  .data-card-field-label { font-size: 9px; }
  .data-card-field-value { font-size: 11px; }
  .data-card-footer { margin-top: 6px; padding-top: 6px; gap: 4px; }

  .table-actions { gap: 4px; }
  .table-actions .btn { padding: 4px 8px; font-size: 11px; }

  .pagination { gap: 4px; }
  .pagination button { padding: 6px 10px; font-size: 12px; }

  .search-input-wrapper { margin-bottom: 0; }
  .search-icon { font-size: 14px; left: 10px; }
  .search-input-wrapper .form-input { padding-left: 32px; font-size: 13px; }

  .chart-container { height: 180px; }

  .empty-state { padding: 24px 16px; }
  .empty-state-icon { font-size: 36px; margin-bottom: 10px; }
  .empty-state-title { font-size: 15px; margin-bottom: 6px; }
  .empty-state-text { font-size: 12px; }

  .loading-content { padding: 24px; }
  .spinner { width: 28px; height: 28px; }

  .fab { width: 48px; height: 48px; font-size: 22px; bottom: calc(var(--bottom-bar-height) + 16px); }
}

@media (min-width: 769px) {
  .mobile-cards { display: none; }
}

@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr 1fr; gap: 6px; }
  .stat-card { padding: 10px; }
  .stat-card-value { font-size: 16px; }
  .pagination { flex-wrap: wrap; }
  .quick-actions { grid-template-columns: 1fr; }
}

/* === Print === */
@media print {
  .sidebar, .bottom-bar, .toast-container, .spinner-overlay, .fab {
    display: none !important;
  }
  .main-content { margin-left: 0; padding: 0; }
  body { background: white; color: black; background-image: none; }
  .card { border: 1px solid #ddd; background: white; }
}