/* ============================================================
   SpendIQ — Design System & Styles
   ============================================================ */

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

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Core palette */
  --bg-primary: #0a0e1a;
  --bg-secondary: #111827;
  --bg-card: rgba(17, 24, 39, 0.7);
  --bg-card-hover: rgba(17, 24, 39, 0.9);
  --bg-glass: rgba(255, 255, 255, 0.03);
  --bg-glass-hover: rgba(255, 255, 255, 0.06);
  --bg-input: rgba(255, 255, 255, 0.05);

  /* Borders */
  --border-subtle: rgba(255, 255, 255, 0.06);
  --border-medium: rgba(255, 255, 255, 0.1);
  --border-accent: rgba(16, 185, 129, 0.3);

  /* Text */
  --text-primary: #f1f5f9;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;
  --text-accent: #10b981;

  /* Accent Colors */
  --green-400: #34d399;
  --green-500: #10b981;
  --green-600: #059669;
  --green-glow: rgba(16, 185, 129, 0.15);

  --red-400: #fb7185;
  --red-500: #f43f5e;
  --red-600: #e11d48;
  --red-glow: rgba(244, 63, 94, 0.15);

  --blue-400: #60a5fa;
  --blue-500: #3b82f6;
  --blue-glow: rgba(59, 130, 246, 0.15);

  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --amber-glow: rgba(245, 158, 11, 0.15);

  --purple-400: #c084fc;
  --purple-500: #a855f7;
  --purple-glow: rgba(168, 85, 247, 0.15);

  --cyan-400: #22d3ee;
  --cyan-500: #06b6d4;

  /* Gradients */
  --gradient-green: linear-gradient(135deg, #10b981, #059669);
  --gradient-red: linear-gradient(135deg, #f43f5e, #e11d48);
  --gradient-blue: linear-gradient(135deg, #3b82f6, #2563eb);
  --gradient-purple: linear-gradient(135deg, #a855f7, #7c3aed);
  --gradient-amber: linear-gradient(135deg, #f59e0b, #d97706);
  --gradient-hero: linear-gradient(135deg, #10b981 0%, #3b82f6 50%, #a855f7 100%);
  --gradient-card: linear-gradient(145deg, rgba(255,255,255,0.05) 0%, rgba(255,255,255,0) 100%);

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.5);
  --shadow-glow-green: 0 0 30px rgba(16, 185, 129, 0.15);
  --shadow-glow-red: 0 0 30px rgba(244, 63, 94, 0.15);

  /* Spacing */
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;
  --space-3xl: 64px;

  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-2xl: 24px;
  --radius-full: 9999px;

  /* Typography */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-normal: 250ms;
  --duration-slow: 400ms;
}

/* ---------- 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;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-sans);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
}

/* Animated background gradient mesh */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    radial-gradient(ellipse 80% 60% at 10% 20%, rgba(16, 185, 129, 0.06) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 90% 80%, rgba(59, 130, 246, 0.05) 0%, transparent 60%),
    radial-gradient(ellipse 70% 50% at 50% 50%, rgba(168, 85, 247, 0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
}

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

/* ---------- Layout ---------- */
.app-container {
  position: relative;
  z-index: 1;
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-lg);
}

/* ---------- HEADER / NAVBAR ---------- */
.navbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  margin-bottom: var(--space-xl);
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  position: sticky;
  top: var(--space-md);
  z-index: 100;
}

.navbar-brand {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.navbar-logo {
  width: 40px;
  height: 40px;
  background: var(--gradient-hero);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  box-shadow: var(--shadow-glow-green);
}

.navbar-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.navbar-subtitle {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.navbar-actions {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.security-badge {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--green-glow);
  border: 1px solid rgba(16, 185, 129, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  color: var(--green-400);
  font-weight: 600;
  letter-spacing: 0.5px;
}

.security-badge i {
  width: 14px;
  height: 14px;
}

.security-badge .pulse-dot {
  width: 6px;
  height: 6px;
  background: var(--green-400);
  border-radius: 50%;
  animation: pulse-green 2s ease-in-out infinite;
}

@keyframes pulse-green {
  0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(52, 211, 153, 0.4); }
  50% { opacity: 0.7; box-shadow: 0 0 0 6px rgba(52, 211, 153, 0); }
}

/* ---------- UPLOAD SCREEN ---------- */
.upload-screen {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  animation: fadeInUp 0.6s var(--ease-out);
}

.upload-hero {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.upload-hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 900;
  letter-spacing: -1.5px;
  line-height: 1.15;
  margin-bottom: var(--space-md);
}

.upload-hero h1 .gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.upload-hero p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 520px;
  margin: 0 auto;
  line-height: 1.7;
}

.upload-zone {
  position: relative;
  width: 100%;
  max-width: 560px;
  padding: var(--space-3xl) var(--space-xl);
  border: 2px dashed var(--border-medium);
  border-radius: var(--radius-2xl);
  background: var(--bg-glass);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  text-align: center;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  overflow: hidden;
}

.upload-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--gradient-card);
  border-radius: inherit;
  pointer-events: none;
}

.upload-zone:hover,
.upload-zone.dragover {
  border-color: var(--green-500);
  background: var(--green-glow);
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-green);
}

.upload-zone.dragover {
  transform: scale(1.02);
}

.upload-zone .upload-icon {
  width: 72px;
  height: 72px;
  margin: 0 auto var(--space-lg);
  background: var(--gradient-green);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-glow-green);
  transition: transform var(--duration-normal) var(--ease-spring);
}

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

.upload-zone .upload-icon i {
  width: 32px;
  height: 32px;
  color: white;
}

.upload-zone h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--text-primary);
  position: relative;
}

.upload-zone p {
  font-size: 0.85rem;
  color: var(--text-muted);
  position: relative;
}

.upload-zone .supported-format {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: var(--space-md);
  padding: 4px 12px;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid rgba(59, 130, 246, 0.15);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  color: var(--blue-400);
  font-weight: 600;
  position: relative;
}

#file-input {
  display: none;
}

/* Upload features */
.upload-features {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-2xl);
  max-width: 560px;
  width: 100%;
}

.upload-feature {
  text-align: center;
  padding: var(--space-lg) var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  transition: all var(--duration-normal) var(--ease-out);
}

.upload-feature:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-medium);
  transform: translateY(-2px);
}

.upload-feature .feature-icon {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
}

.upload-feature h4 {
  font-size: 0.78rem;
  font-weight: 700;
  margin-bottom: 2px;
  color: var(--text-primary);
}

.upload-feature p {
  font-size: 0.68rem;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ---------- LOADING / PROCESSING STATE ---------- */
.processing-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(10, 14, 26, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-lg);
}

.processing-overlay.active {
  display: flex;
  animation: fadeIn 0.3s var(--ease-out);
}

.processing-spinner {
  width: 56px;
  height: 56px;
  border: 3px solid var(--border-subtle);
  border-top-color: var(--green-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.processing-text {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-primary);
}

.processing-sub {
  font-size: 0.82rem;
  color: var(--text-muted);
}

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

/* ---------- DASHBOARD ---------- */
.dashboard {
  display: none;
  animation: fadeInUp 0.5s var(--ease-out);
}

.dashboard.active {
  display: block;
}

/* Dashboard header */
.dashboard-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.dashboard-header h2 {
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.dashboard-header h2 .gradient-text {
  background: var(--gradient-hero);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.dashboard-meta {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-weight: 500;
}

.meta-chip i {
  width: 14px;
  height: 14px;
}

/* Month Selector */
.month-selector-wrapper {
  position: relative;
  display: inline-flex;
  align-items: center;
}

.month-selector-icon {
  position: absolute;
  left: 12px;
  width: 15px;
  height: 15px;
  color: var(--green-400);
  pointer-events: none;
  z-index: 1;
}

.month-selector {
  padding: 8px 34px 8px 34px;
  background: var(--bg-glass);
  border: 1px solid var(--border-accent);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  cursor: pointer;
  outline: none;
  transition: all var(--duration-normal) var(--ease-out);
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2334d399' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  min-width: 160px;
}

.month-selector:hover {
  background: var(--green-glow);
  border-color: var(--green-500);
  box-shadow: var(--shadow-glow-green);
}

.month-selector:focus {
  border-color: var(--green-500);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.12);
}

.month-selector option {
  background: var(--bg-secondary);
  color: var(--text-primary);
  padding: 8px;
}

.btn-new-upload {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 18px;
  background: var(--bg-glass);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
  font-family: var(--font-sans);
}

.btn-new-upload:hover {
  background: var(--bg-glass-hover);
  color: var(--text-primary);
  border-color: var(--green-500);
}

.btn-new-upload i {
  width: 16px;
  height: 16px;
}

/* ---------- SUMMARY STRIP ---------- */
.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-md);
}

.summary-card {
  position: relative;
  padding: var(--space-lg);
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  overflow: hidden;
  transition: all var(--duration-normal) var(--ease-out);
}

.summary-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.summary-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-medium);
  box-shadow: var(--shadow-lg);
}

.summary-card.opening-bal::before { background: linear-gradient(135deg, #3b82f6, #60a5fa); }
.summary-card.closing-bal::before { background: linear-gradient(135deg, #06b6d4, #22d3ee); }
.summary-card.spent::before { background: var(--gradient-red); }
.summary-card.received::before { background: var(--gradient-green); }
.summary-card.net::before { background: var(--gradient-blue); }
.summary-card.transactions::before { background: var(--gradient-purple); }

.summary-card .card-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.summary-card.spent .card-icon { background: var(--red-glow); color: var(--red-400); }
.summary-card.received .card-icon { background: var(--green-glow); color: var(--green-400); }
.summary-card.net .card-icon { background: var(--blue-glow); color: var(--blue-400); }
.summary-card.transactions .card-icon { background: var(--purple-glow); color: var(--purple-400); }

.summary-card .card-icon i {
  width: 20px;
  height: 20px;
}

.summary-card .card-label {
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 4px;
}

.summary-card .card-value {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.summary-card.spent .card-value { color: var(--red-400); }
.summary-card.received .card-value { color: var(--green-400); }

.summary-card .card-sub {
  font-size: 0.7rem;
  color: var(--text-muted);
  margin-top: 4px;
}

/* ---------- EXCLUDED BANNER ---------- */
.excluded-banner {
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.3s var(--ease-out);
}

.excluded-banner-content {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md) var(--space-lg);
  background: rgba(251, 191, 36, 0.06);
  border: 1px solid rgba(251, 191, 36, 0.18);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.excluded-icon {
  font-size: 1.1rem;
  flex-shrink: 0;
}

.excluded-text {
  flex: 1;
  font-size: 0.82rem;
  color: var(--amber-400);
  line-height: 1.4;
}

.excluded-text strong {
  font-weight: 700;
}

.excluded-clear-btn {
  padding: 6px 14px;
  background: rgba(251, 191, 36, 0.12);
  border: 1px solid rgba(251, 191, 36, 0.25);
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--amber-400);
  cursor: pointer;
  white-space: nowrap;
  font-family: var(--font-sans);
  transition: all var(--duration-fast) var(--ease-out);
}

.excluded-clear-btn:hover {
  background: rgba(251, 191, 36, 0.2);
  border-color: rgba(251, 191, 36, 0.4);
}

/* ---------- EXCLUDED ROW & TOGGLE ---------- */
.transactions-table tbody tr.excluded-row {
  opacity: 0.45;
  background: rgba(251, 191, 36, 0.03);
}

.transactions-table tbody tr.excluded-row td {
  text-decoration: line-through;
  text-decoration-color: rgba(251, 191, 36, 0.4);
}

.transactions-table tbody tr.excluded-row td.action-cell {
  text-decoration: none;
}

.action-cell {
  text-align: center;
  padding: 8px 4px !important;
}

.exclude-toggle-btn {
  width: 30px;
  height: 30px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  background: var(--bg-glass);
  cursor: pointer;
  font-size: 0.72rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all var(--duration-fast) var(--ease-out);
  line-height: 1;
}

.exclude-toggle-btn:hover {
  border-color: var(--border-medium);
  background: var(--bg-glass-hover);
  transform: scale(1.1);
}

.exclude-toggle-btn.is-excluded {
  background: rgba(251, 191, 36, 0.1);
  border-color: rgba(251, 191, 36, 0.25);
}
.chart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.chart-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: all var(--duration-normal) var(--ease-out);
  overflow: hidden;
}

.chart-card:hover {
  border-color: var(--border-medium);
}

.chart-card.full-width {
  grid-column: 1 / -1;
}

.chart-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.chart-card-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.chart-card-header h3 .icon {
  font-size: 1.1rem;
}

.chart-card-header .chart-badge {
  padding: 3px 10px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  color: var(--text-muted);
  font-weight: 600;
}

.chart-container {
  position: relative;
  width: 100%;
  height: 300px;
}

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

.chart-container canvas {
  width: 100% !important;
  height: 100% !important;
}

/* ---------- TOP LISTS ---------- */
.top-lists-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.top-list-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.top-list-card .list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
}

.top-list-card .list-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.top-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: all var(--duration-fast) var(--ease-out);
}

.top-list-item:last-child {
  border-bottom: none;
}

.top-list-item:hover {
  padding-left: var(--space-sm);
}

.top-list-item .rank {
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  flex-shrink: 0;
}

.top-list-item .rank.gold {
  background: linear-gradient(135deg, rgba(251, 191, 36, 0.15), rgba(245, 158, 11, 0.1));
  color: var(--amber-400);
  border: 1px solid rgba(251, 191, 36, 0.2);
}

.top-list-item .rank.silver {
  background: rgba(148, 163, 184, 0.1);
  color: var(--text-secondary);
  border: 1px solid rgba(148, 163, 184, 0.15);
}

.top-list-item .rank.bronze {
  background: rgba(180, 120, 70, 0.1);
  color: #d4956a;
  border: 1px solid rgba(180, 120, 70, 0.15);
}

.top-list-item .rank.normal {
  background: var(--bg-glass);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

.top-list-item .item-info {
  flex: 1;
  min-width: 0;
}

.top-list-item .item-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.top-list-item .item-date {
  font-size: 0.68rem;
  color: var(--text-muted);
}

.top-list-item .item-amount {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
}

.top-list-item .item-amount.debit { color: var(--red-400); }
.top-list-item .item-amount.credit { color: var(--green-400); }

/* ---------- ENTITY LEADERBOARD ---------- */
.entity-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-md);
}

.entity-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: 12px var(--space-md);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  background: var(--bg-glass);
  cursor: pointer;
  transition: all var(--duration-normal) var(--ease-out);
}

.entity-item:hover {
  background: var(--bg-glass-hover);
  border-color: var(--border-medium);
  transform: translateY(-1px);
}

.entity-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
  color: white;
}

.entity-info {
  flex: 1;
  min-width: 0;
}

.entity-name {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.entity-count {
  font-size: 0.72rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
}

.entity-bullet {
  color: var(--text-muted);
}

.entity-categories-preview {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 140px;
  font-style: italic;
}

.entity-totals {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
}

.entity-flow-sub {
  white-space: nowrap;
}

.entity-flow-sub.debit { color: var(--red-400); }
.entity-flow-sub.credit { color: var(--green-400); }

/* ---------- SIDE PANEL ---------- */
.side-panel-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 14, 26, 0.75);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-normal) var(--ease-out);
}

.side-panel-backdrop.active {
  opacity: 1;
  pointer-events: auto;
}

.side-panel {
  position: fixed;
  right: 0;
  top: 0;
  width: 500px;
  max-width: 100%;
  height: 100vh;
  background: var(--bg-secondary);
  border-left: 1px solid var(--border-medium);
  z-index: 1001;
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform var(--duration-slow) var(--ease-out);
  display: flex;
  flex-direction: column;
}

.side-panel.active {
  transform: translateX(0);
}

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

.side-panel-title-area {
  min-width: 0;
}

.side-panel-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.side-panel-subtitle {
  font-size: 0.72rem;
  color: var(--text-muted);
  margin-top: 4px;
  line-height: 1.4;
}

.side-panel-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 1.1rem;
  cursor: pointer;
  padding: var(--space-xs) var(--space-sm);
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
}

.side-panel-close:hover {
  background: var(--bg-glass);
  color: var(--text-primary);
}

.side-panel-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-sm);
  padding: var(--space-lg);
  border-bottom: 1px solid var(--border-subtle);
}

.side-panel-stat-card {
  padding: var(--space-md) var(--space-sm);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-align: center;
}

.side-panel-stat-card .stat-label {
  font-size: 0.65rem;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: var(--space-xs);
}

.side-panel-stat-card .stat-value {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
}

.side-panel-stat-card.sent .stat-value { color: var(--red-400); }
.side-panel-stat-card.received .stat-value { color: var(--green-400); }
.side-panel-stat-card.frequency .stat-value { color: var(--blue-400); }

.side-panel-txns-section {
  flex: 1;
  overflow-y: auto;
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  -webkit-overflow-scrolling: touch;
}

.side-panel-txns-heading {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.side-panel-txns-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.panel-txn-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  transition: background var(--duration-fast);
}

.panel-txn-item:hover {
  background: var(--bg-glass-hover);
}

.panel-txn-item.excluded-row {
  opacity: 0.4;
}

.panel-txn-item.excluded-row .panel-txn-amount,
.panel-txn-item.excluded-row .panel-txn-category,
.panel-txn-item.excluded-row .panel-txn-date {
  text-decoration: line-through;
  text-decoration-color: rgba(251, 191, 36, 0.4);
}

.panel-txn-left {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.panel-txn-date {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.panel-txn-category {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-primary);
}

.panel-badge-excluded {
  display: inline-block;
  padding: 1px 6px;
  background: rgba(251, 191, 36, 0.1);
  border: 1px solid rgba(251, 191, 36, 0.2);
  color: var(--amber-400);
  border-radius: var(--radius-sm);
  font-size: 0.6rem;
  font-weight: 700;
  margin-top: 4px;
  text-decoration: none !important;
  width: max-content;
}

.panel-txn-right {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 2px;
}

.panel-txn-amount {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
}

.panel-txn-amount.debit { color: var(--red-400); }
.panel-txn-amount.credit { color: var(--green-400); }

.panel-txn-balance {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-muted);
}

/* ---------- TRANSACTION TABLE ---------- */
.transactions-section {
  margin-bottom: var(--space-xl);
}

.transactions-card {
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.transactions-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg);
  flex-wrap: wrap;
  gap: var(--space-md);
}

.transactions-header h3 {
  font-size: 0.95rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.search-filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.search-input {
  padding: 8px 14px 8px 36px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  width: 220px;
  transition: all var(--duration-normal) var(--ease-out);
  outline: none;
}

.search-input:focus {
  border-color: var(--green-500);
  background: rgba(16, 185, 129, 0.05);
  width: 280px;
}

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

.search-wrapper {
  position: relative;
}

.search-wrapper i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

.filter-select {
  padding: 8px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.8rem;
  color: var(--text-primary);
  font-family: var(--font-sans);
  cursor: pointer;
  outline: none;
  transition: all var(--duration-normal) var(--ease-out);
  appearance: none;
  -webkit-appearance: none;
  padding-right: 30px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
}

.filter-select:focus {
  border-color: var(--green-500);
}

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

.transactions-table-wrapper {
  overflow-x: auto;
  width: 100%;
  max-width: 100%;
  -webkit-overflow-scrolling: touch;
}

.transactions-table {
  width: 100%;
  border-collapse: collapse;
}

.transactions-table thead th {
  padding: 12px var(--space-md);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  text-align: left;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: color var(--duration-fast);
  white-space: nowrap;
  user-select: none;
}

.transactions-table thead th:hover {
  color: var(--text-primary);
}

.transactions-table thead th.sorted-asc::after {
  content: ' ↑';
  color: var(--green-400);
}

.transactions-table thead th.sorted-desc::after {
  content: ' ↓';
  color: var(--green-400);
}

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

.transactions-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.02);
}

.transactions-table tbody tr:last-child {
  border-bottom: none;
}

.transactions-table td {
  padding: 12px var(--space-md);
  font-size: 0.82rem;
  color: var(--text-secondary);
  white-space: nowrap;
}

.transactions-table td.narration-cell {
  max-width: 320px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.transactions-table td.amount-cell {
  font-family: var(--font-mono);
  font-weight: 600;
}

.transactions-table td.amount-cell.debit {
  color: var(--red-400);
}

.transactions-table td.amount-cell.credit {
  color: var(--green-400);
}

.transactions-table td .category-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-size: 0.68rem;
  font-weight: 600;
}

/* Transaction pagination */
.transactions-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  border-top: 1px solid var(--border-subtle);
}

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

.pagination-controls {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.pagination-btn {
  padding: 6px 12px;
  background: var(--bg-glass);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  font-size: 0.78rem;
  color: var(--text-secondary);
  cursor: pointer;
  font-family: var(--font-sans);
  transition: all var(--duration-fast);
}

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

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

.pagination-btn.active {
  background: var(--green-glow);
  border-color: rgba(16, 185, 129, 0.3);
  color: var(--green-400);
}

/* ---------- ERROR STATE ---------- */
.error-toast {
  display: none;
  position: fixed;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  padding: var(--space-md) var(--space-lg);
  background: rgba(244, 63, 94, 0.12);
  border: 1px solid rgba(244, 63, 94, 0.25);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 2000;
  max-width: 500px;
  opacity: 0;
  transition: all var(--duration-normal) var(--ease-out);
}

.error-toast.active {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.error-toast .error-icon {
  color: var(--red-400);
  flex-shrink: 0;
}

.error-toast .error-message {
  font-size: 0.85rem;
  color: var(--red-400);
  font-weight: 500;
}

.error-toast .error-close {
  background: none;
  border: none;
  color: var(--red-400);
  cursor: pointer;
  padding: 4px;
  flex-shrink: 0;
  opacity: 0.7;
}

.error-toast .error-close:hover {
  opacity: 1;
}

/* ---------- NARRATION SUBTEXT ---------- */
.merchant-name-title {
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-primary);
}

.raw-narration-subtext {
  font-size: 0.7rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  white-space: normal;
  word-break: break-all;
  margin-top: 2px;
  line-height: 1.3;
}

/* ---------- ANIMATIONS ---------- */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

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

@keyframes fadeInScale {
  from { opacity: 0; transform: scale(0.95); }
  to { opacity: 1; transform: scale(1); }
}

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

.animate-in {
  animation: fadeInUp 0.5s var(--ease-out) both;
}

.animate-in-delay-1 { animation-delay: 0.05s; }
.animate-in-delay-2 { animation-delay: 0.1s; }
.animate-in-delay-3 { animation-delay: 0.15s; }
.animate-in-delay-4 { animation-delay: 0.2s; }
.animate-in-delay-5 { animation-delay: 0.25s; }
.animate-in-delay-6 { animation-delay: 0.3s; }

/* ---------- DAILY SPENDING HEATMAP ---------- */
.heatmap-container {
  overflow-x: auto;
  padding-bottom: var(--space-sm);
}

.heatmap-grid {
  display: flex;
  gap: 3px;
  min-width: fit-content;
}

.heatmap-week {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.heatmap-cell {
  width: 16px;
  height: 16px;
  border-radius: 3px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  transition: all var(--duration-fast);
  cursor: pointer;
  position: relative;
}

.heatmap-cell:hover {
  border-color: var(--border-medium);
  transform: scale(1.3);
  z-index: 2;
}

.heatmap-cell.level-1 { background: rgba(244, 63, 94, 0.15); border-color: rgba(244, 63, 94, 0.2); }
.heatmap-cell.level-2 { background: rgba(244, 63, 94, 0.3); border-color: rgba(244, 63, 94, 0.35); }
.heatmap-cell.level-3 { background: rgba(244, 63, 94, 0.5); border-color: rgba(244, 63, 94, 0.55); }
.heatmap-cell.level-4 { background: rgba(244, 63, 94, 0.75); border-color: rgba(244, 63, 94, 0.8); }

.heatmap-labels {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin-right: 6px;
  padding-top: 0;
}

.heatmap-label {
  height: 16px;
  font-size: 0.6rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
}

.heatmap-months {
  display: flex;
  gap: 3px;
  margin-top: 6px;
  padding-left: 30px;
}

.heatmap-month {
  font-size: 0.62rem;
  color: var(--text-muted);
}

.heatmap-legend {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
  justify-content: flex-end;
}

.heatmap-legend span {
  font-size: 0.65rem;
  color: var(--text-muted);
}

.heatmap-legend-cells {
  display: flex;
  gap: 3px;
}

.heatmap-tooltip {
  position: fixed;
  padding: 6px 12px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-medium);
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  color: var(--text-primary);
  pointer-events: none;
  z-index: 1000;
  white-space: nowrap;
  box-shadow: var(--shadow-lg);
  display: none;
}

/* ---------- FOOTER ---------- */
.app-footer {
  text-align: center;
  padding: var(--space-2xl) 0 var(--space-lg);
  border-top: 1px solid var(--border-subtle);
  margin-top: var(--space-2xl);
}

.app-footer p {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.app-footer .footer-security {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  margin-top: var(--space-sm);
  font-size: 0.7rem;
  color: var(--green-400);
}

/* ---------- RESPONSIVE ---------- */
@media (max-width: 1024px) {
  .summary-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .chart-grid,
  .top-lists-grid,
  .entity-grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 768px) {
  .app-container {
    padding: var(--space-md);
  }
  .chart-card,
  .top-list-card {
    padding: var(--space-md);
  }

  .navbar {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
    position: relative;
    top: 0;
  }

  .summary-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .upload-features {
    grid-template-columns: minmax(0, 1fr);
  }

  .upload-hero h1 {
    font-size: 1.8rem;
  }

  .dashboard-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .dashboard-meta {
    flex-wrap: wrap;
  }

  .search-filter-bar {
    flex-wrap: wrap;
    width: 100%;
  }

  .search-input, .search-input:focus {
    width: 100%;
  }

  .transactions-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .side-panel {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .summary-strip {
    grid-template-columns: minmax(0, 1fr);
  }

  .summary-card .card-value {
    font-size: 1.25rem;
  }

  .navbar-actions {
    flex-wrap: wrap;
    justify-content: center;
  }
}