/* ============================================================
   SmartLedger — 設計系統
   ============================================================ */

/* ===== CSS Variables ===== */
:root {
  /* Colors - NexTrek Inspired Bright Theme */
  --bg-primary: #f0f8f9; /* Very light cyan tint for ambient background */
  --bg-secondary: #ffffff; /* Pure white for cards */
  --bg-tertiary: #e6f2f3;
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-card-hover: #ffffff;
  --border-color: rgba(77, 166, 179, 0.15);
  --border-hover: rgba(77, 166, 179, 0.3);

  /* Typography Colors */
  --text-primary: #2d3748;
  --text-secondary: #718096;
  --text-muted: #a0aec0;

  /* Accent Colors */
  --primary: #4da6b3; /* NexTrek Teal */
  --primary-light: #6bc1cd;
  --primary-dark: #3a8a96;
  --primary-glow: rgba(77, 166, 179, 0.25);

  --accent-green: #38b2ac; /* Adjusted to cyan-green */
  --accent-green-bg: rgba(56, 178, 172, 0.12);
  --accent-red: #fc8181;
  --accent-red-bg: rgba(252, 129, 129, 0.12);
  --accent-amber: #f6ad55;
  --accent-amber-bg: rgba(246, 173, 85, 0.12);
  --accent-blue: #63b3ed;
  --accent-blue-bg: rgba(99, 179, 237, 0.12);

  /* Gradients */
  --gradient-primary: linear-gradient(135deg, #4da6b3 0%, #38b2ac 100%);
  --gradient-cta: linear-gradient(135deg, #ff9800 0%, #f57c00 100%); /* Orange CTA */
  --gradient-green: linear-gradient(135deg, #48bb78 0%, #38a169 100%);
  --gradient-red: linear-gradient(135deg, #f56565 0%, #e53e3e 100%);
  
  /* Glass and UI styles */
  --glass-bg: rgba(255, 255, 255, 1); /* Solid white cards */
  --glass-border: rgba(77, 166, 179, 0.1);
  --glass-blur: 0px;

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

  /* Radius (More rounded, pill shapes) */
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px; /* Pill buttons */

  /* Typography */
  --font-family: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
  --text-xs: 0.75rem;
  --text-sm: 0.875rem;
  --text-base: 1rem;
  --text-lg: 1.125rem;
  --text-xl: 1.25rem;
  --text-2xl: 1.5rem;
  --text-3xl: 2rem;

  /* Shadows (Softer, larger) */
  --shadow-sm: 0 4px 10px rgba(77, 166, 179, 0.05);
  --shadow-md: 0 8px 24px rgba(77, 166, 179, 0.08); /* NexTrek style card shadows */
  --shadow-lg: 0 12px 36px rgba(77, 166, 179, 0.12);
  --shadow-glow: 0 0 30px var(--primary-glow);
  --shadow-cta: 0 6px 20px rgba(255, 152, 0, 0.35);

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 400ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Layout */
  --header-height: 64px; /* Slightly taller */
  --nav-height: 70px;
  --max-width: 680px;
}

/* Dark theme variant of the NexTrek aesthetic */
[data-theme='dark'] {
  --bg-primary: #0f172a; /* Deep navy */
  --bg-secondary: #1e293b; /* Slate card background */
  --bg-tertiary: #334155;
  --bg-card: rgba(30, 41, 59, 0.95);
  --bg-card-hover: rgba(51, 65, 85, 0.95);
  --border-color: rgba(255, 255, 255, 0.08);
  --border-hover: rgba(255, 255, 255, 0.15);

  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --glass-bg: rgba(30, 41, 59, 1);
  --glass-border: rgba(255, 255, 255, 0.05);

  --shadow-sm: 0 4px 10px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px rgba(77, 166, 179, 0.15);
  --shadow-cta: 0 6px 20px rgba(234, 88, 12, 0.3);
  
  --primary: #2dd4bf; /* Brighter teal for dark mode */
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

#app {
  min-height: 100vh;
  min-height: 100dvh;
}

/* ===== Utility ===== */
.hidden {
  display: none !important;
}

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

.text-sm {
  font-size: var(--text-sm);
}

.flex-1 {
  flex: 1;
}

/* ===== Page Layout ===== */
.page {
  padding: var(--space-md);
  padding-bottom: calc(var(--nav-height) + var(--space-xl));
  max-width: var(--max-width);
  margin: 0 auto;
}

.page-center {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: var(--space-lg);
}

/* ===== Glass Card ===== */
.glass-card {
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base);
}

.glass-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.glass-card h3 {
  font-size: var(--text-lg);
  font-weight: 600;
  margin-bottom: var(--space-md);
}

/* ===== Setup & Login ===== */
.setup-container {
  width: 100%;
  max-width: 400px;
}

.setup-logo {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.logo-icon {
  font-size: 4rem;
  margin-bottom: var(--space-sm);
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

.setup-logo h1 {
  font-size: var(--text-3xl);
  font-weight: 700;
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.setup-logo .subtitle {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  margin-top: var(--space-xs);
}

/* Login Tabs */
.login-tabs {
  display: flex;
  margin-bottom: var(--space-lg);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 3px;
}

.tab-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: none;
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.tab-btn.active {
  background: var(--primary);
  color: white;
}

/* ===== Form ===== */
.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: var(--space-xs);
}

input[type='text'],
input[type='url'],
input[type='password'],
input[type='number'],
input[type='date'],
input[type='time'],
input[type='month'],
input[type='color'],
select,
textarea {
  width: 100%;
  padding: 10px 14px;
  font-family: var(--font-family);
  font-size: var(--text-base);
  color: var(--text-primary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  outline: none;
  transition: all var(--transition-fast);
}

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

input[type='color'] {
  height: 42px;
  padding: 4px;
  cursor: pointer;
}

.input-with-prefix {
  position: relative;
}

.input-prefix {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-weight: 600;
  font-size: var(--text-lg);
}

.input-with-prefix input {
  padding-left: 32px;
  font-size: var(--text-xl);
  font-weight: 600;
}

.form-row {
  display: flex;
  gap: var(--space-md);
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 10px 20px;
  font-family: var(--font-family);
  font-size: var(--text-base);
  font-weight: 600;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--gradient-cta);
  color: white;
  box-shadow: var(--shadow-cta);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(255, 152, 0, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.btn-ghost:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

.btn-danger {
  background: var(--gradient-red);
  color: white;
}

.btn-danger:hover {
  opacity: 0.9;
}

.btn-block {
  width: 100%;
}

.btn-sm {
  padding: 6px 12px;
  font-size: var(--text-sm);
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.btn-sm.btn-primary {
  background: var(--gradient-primary);
  color: white;
}

.btn-sm.btn-ghost {
  background: transparent;
  color: var(--text-secondary);
}

.btn-link {
  background: none;
  border: none;
  color: var(--primary-light);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  cursor: pointer;
  padding: var(--space-sm);
  transition: color var(--transition-fast);
}

.btn-link:hover {
  color: var(--primary);
}

.icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border: none;
  background: transparent;
  color: var(--text-secondary);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.icon-btn:hover {
  background: var(--bg-card);
  color: var(--text-primary);
}

/* Button loader */
.btn-loader {
  width: 18px;
  height: 18px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
}

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

.error-msg {
  color: var(--accent-red);
  font-size: var(--text-sm);
  margin-top: var(--space-sm);
  text-align: center;
}

/* ===== Header ===== */
#app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) var(--space-lg);
  max-width: var(--max-width);
  margin: 0 auto;
  height: var(--header-height);
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
}

[data-theme='dark'] #app-header {
  background: rgba(30, 41, 59, 0.95);
}

.header-greeting {
  font-weight: 600;
  font-size: var(--text-lg);
}

.header-right {
  display: flex;
  gap: var(--space-sm);
}

/* ===== Bottom Nav ===== */
#bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: space-around;
  height: var(--nav-height);
  background: rgba(255, 255, 255, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-top: 1px solid var(--glass-border);
  box-shadow: 0 -4px 20px rgba(77, 166, 179, 0.05);
  padding-bottom: env(safe-area-inset-bottom, 0);
}

[data-theme='dark'] #bottom-nav {
  background: rgba(30, 41, 59, 0.98);
  box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.2);
}

.nav-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-sm) var(--space-md);
  background: none;
  border: none;
  color: var(--text-muted);
  font-family: var(--font-family);
  font-size: var(--text-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
}

.nav-btn.active {
  color: var(--primary-light);
}

.nav-btn.active::before {
  content: '';
  position: absolute;
  top: -1px;
  left: 50%;
  transform: translateX(-50%);
  width: 24px;
  height: 3px;
  background: var(--gradient-primary);
  border-radius: 0 0 3px 3px;
}

.nav-btn:hover {
  color: var(--text-secondary);
}

/* ===== Voice Button ===== */
.record-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-xl) 0;
}

.voice-section {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.voice-btn {
  position: relative;
  width: 88px;
  height: 88px;
  border-radius: var(--radius-full);
  border: none;
  background: var(--gradient-primary);
  color: white;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 6px 24px var(--primary-glow);
  transition: all var(--transition-base);
  -webkit-tap-highlight-color: transparent;
  touch-action: none;
}

.voice-btn:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 32px var(--primary-glow);
}

.voice-btn:active {
  transform: scale(0.98);
}

.mic-icon {
  z-index: 2;
  transition: all var(--transition-base);
}

/* Voice rings */
.voice-ring {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: var(--radius-full);
  border: 2px solid var(--primary-light);
  opacity: 0;
  pointer-events: none;
}

/* Recording state */
.voice-btn.recording {
  animation: voiceBtnPulse 1.2s ease-in-out infinite;
  background: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
  box-shadow: 0 0 40px rgba(245, 87, 108, 0.5);
}

.voice-btn.recording .ring-1 {
  animation: voiceRing 1.5s ease-out infinite;
}

.voice-btn.recording .ring-2 {
  animation: voiceRing 1.5s ease-out infinite 0.3s;
}

.voice-btn.recording .ring-3 {
  animation: voiceRing 1.5s ease-out infinite 0.6s;
}

@keyframes voiceBtnPulse {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.08);
  }
}

@keyframes voiceRing {
  0% {
    transform: scale(1);
    opacity: 0.6;
    border-color: rgba(245, 87, 108, 0.6);
  }
  100% {
    transform: scale(1.8);
    opacity: 0;
    border-color: rgba(245, 87, 108, 0);
  }
}

.voice-status {
  font-size: var(--text-sm);
  color: var(--text-secondary);
  text-align: center;
  transition: color var(--transition-base);
}

.voice-result {
  font-size: var(--text-base);
  color: var(--text-primary);
  text-align: center;
  min-height: 24px;
  max-width: 90%;
  word-break: break-word;
}

/* ===== AI Result Card ===== */
.ai-result {
  border-color: var(--primary);
  background: rgba(124, 106, 239, 0.08);
  animation: slideUp 0.3s ease;
}

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

.ai-result-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.ai-badge {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--primary-light);
}

.ai-result-content {
  margin-bottom: var(--space-md);
}

.ai-field {
  display: flex;
  justify-content: space-between;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--border-color);
}

.ai-field:last-child {
  border-bottom: none;
}

.ai-field-label {
  color: var(--text-secondary);
  font-size: var(--text-sm);
}

.ai-field-value {
  font-weight: 600;
}

.ai-result-actions {
  display: flex;
  gap: var(--space-sm);
}

.ai-result-actions .btn {
  flex: 1;
}

/* ===== Action Row ===== */
.action-row {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.action-btn:hover {
  border-color: var(--primary);
  color: var(--primary-light);
  background: rgba(124, 106, 239, 0.06);
}

/* ===== Divider ===== */
.divider {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.divider::before,
.divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border-color);
}

/* ===== Type Toggle ===== */
.type-toggle {
  display: flex;
  margin-bottom: var(--space-md);
  background: var(--bg-primary);
  border-radius: var(--radius-md);
  padding: 3px;
}

.toggle-btn {
  flex: 1;
  padding: var(--space-sm) var(--space-md);
  border: none;
  background: none;
  color: var(--text-secondary);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.toggle-btn.active[data-type='expense'] {
  background: var(--accent-red-bg);
  color: var(--accent-red);
}

.toggle-btn.active[data-type='income'] {
  background: var(--accent-green-bg);
  color: var(--accent-green);
}

/* ===== Category Grid ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: var(--space-sm);
}

.cat-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  padding: var(--space-sm) var(--space-xs);
  background: var(--bg-secondary);
  border: 2px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-family);
  font-size: var(--text-xs);
  color: var(--text-secondary);
  transition: all var(--transition-fast);
  min-height: 60px;
  justify-content: center;
}

.cat-btn:hover {
  border-color: var(--border-hover);
  background: var(--bg-card-hover);
}

.cat-btn.selected {
  border-color: var(--primary);
  background: rgba(124, 106, 239, 0.1);
  color: var(--text-primary);
}

.cat-emoji {
  font-size: 1.4rem;
}

/* ===== Section Header ===== */
.section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: var(--space-lg) 0 var(--space-md);
}

.section-header h3 {
  font-size: var(--text-lg);
  font-weight: 600;
}

/* ===== Expense List ===== */
.expense-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.expense-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  -webkit-user-select: none;
  user-select: none;
  -webkit-touch-callout: none;
}

.expense-item:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-hover);
  transform: translateX(4px);
}

.expense-emoji {
  font-size: 1.5rem;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

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

.expense-category {
  font-weight: 600;
  font-size: var(--text-sm);
}

.expense-note {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.expense-right {
  text-align: right;
  flex-shrink: 0;
}

.expense-amount {
  font-weight: 700;
  font-size: var(--text-base);
}

.expense-amount.income {
  color: var(--accent-green);
}

.expense-amount.expense {
  color: var(--accent-red);
}

.expense-date {
  font-size: var(--text-xs);
  color: var(--text-muted);
}

/* Date group header */
.date-group-header {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
  padding: var(--space-sm) 0;
  margin-top: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.date-group-header:first-child {
  margin-top: 0;
}

/* ===== Dashboard ===== */
.dashboard-month-selector {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.month-label {
  font-size: var(--text-xl);
  font-weight: 700;
  min-width: 140px;
  text-align: center;
}

.summary-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
}

.summary-card {
  padding: var(--space-md);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.summary-card.expense-card {
  background: var(--accent-red-bg);
  border: 1px solid rgba(248, 81, 73, 0.15);
}

.summary-card.income-card {
  background: var(--accent-green-bg);
  border: 1px solid rgba(63, 185, 80, 0.15);
}

.summary-card.net-card {
  background: var(--accent-blue-bg);
  border: 1px solid rgba(88, 166, 255, 0.15);
}

.summary-card.count-card {
  background: var(--accent-amber-bg);
  border: 1px solid rgba(210, 153, 34, 0.15);
}

.summary-label {
  font-size: var(--text-xs);
  color: var(--text-secondary);
  font-weight: 500;
}

.summary-value {
  font-size: var(--text-xl);
  font-weight: 700;
}

.expense-card .summary-value {
  color: var(--accent-red);
}

.income-card .summary-value {
  color: var(--accent-green);
}

.net-card .summary-value {
  color: var(--accent-blue);
}

.count-card .summary-value {
  color: var(--accent-amber);
}

.chart-card {
  position: relative;
}

.chart-container {
  position: relative;
  height: 250px;
}

.chart-pie-container {
  height: 280px;
}

/* Category breakdown */
.breakdown-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
}

.breakdown-emoji {
  font-size: 1.2rem;
  width: 32px;
  text-align: center;
}

.breakdown-info {
  flex: 1;
}

.breakdown-name {
  font-size: var(--text-sm);
  font-weight: 500;
}

.breakdown-bar-track {
  height: 6px;
  background: var(--bg-secondary);
  border-radius: 3px;
  margin-top: 4px;
  overflow: hidden;
}

.breakdown-bar {
  height: 100%;
  border-radius: 3px;
  transition: width 0.6s ease;
}

.breakdown-amount {
  font-weight: 600;
  font-size: var(--text-sm);
  min-width: 80px;
  text-align: right;
}

.breakdown-pct {
  font-size: var(--text-xs);
  color: var(--text-muted);
  min-width: 40px;
  text-align: right;
}

/* Budget Bar */
.budget-bar-container {
  margin-top: 2px;
}

.budget-text {
  font-size: var(--text-xs);
  color: var(--text-muted);
  text-align: right;
}

/* ===== Search Bar ===== */
.search-bar {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  margin-bottom: var(--space-md);
}

.search-bar input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: var(--text-sm);
  outline: none;
}

.search-bar svg {
  flex-shrink: 0;
  color: var(--text-muted);
}

/* Filter Panel */
.filter-panel {
  margin-bottom: var(--space-md);
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-md);
  animation: slideUp 0.2s ease;
}

/* ===== Empty State ===== */
.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-2xl);
  color: var(--text-muted);
}

.empty-icon {
  font-size: 3rem;
}

/* ===== Settings ===== */
.settings-user {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.user-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-full);
  background: var(--gradient-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}

.user-name {
  font-weight: 600;
  font-size: var(--text-lg);
}

.settings-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-md);
}

.settings-section-header h3 {
  margin-bottom: 0;
}

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

.category-list-item {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-sm) 0;
}

.cat-color-dot {
  width: 12px;
  height: 12px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.cat-list-emoji {
  font-size: 1.2rem;
}

.cat-list-name {
  flex: 1;
  font-size: var(--text-sm);
  font-weight: 500;
}

.cat-toggle {
  position: relative;
  width: 40px;
  height: 22px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 11px;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cat-toggle.on {
  background: var(--accent-green);
  border-color: var(--accent-green);
}

.cat-toggle::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 16px;
  height: 16px;
  background: white;
  border-radius: var(--radius-full);
  transition: transform var(--transition-fast);
}

.cat-toggle.on::after {
  transform: translateX(18px);
}

.cat-delete-btn {
  width: 28px;
  height: 28px;
  border: none;
  background: transparent;
  color: var(--text-muted);
  border-radius: var(--radius-sm);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-base);
  transition: all var(--transition-fast);
}

.cat-delete-btn:hover {
  background: var(--accent-red-bg);
  color: var(--accent-red);
}

/* Currency toggles */
.currency-toggles {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.currency-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) 0;
}

.currency-name {
  font-weight: 500;
}

/* Budget settings */
.budget-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) 0;
}

.budget-cat-name {
  flex: 1;
  font-size: var(--text-sm);
}

.budget-input {
  width: 120px;
  padding: 6px 10px;
  font-size: var(--text-sm);
  text-align: right;
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-lg);
  animation: fadeIn 0.2s ease;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

.modal {
  width: 100%;
  max-width: 440px;
  max-height: 85vh;
  overflow-y: auto;
  animation: modalSlideUp 0.3s ease;
}

@keyframes modalSlideUp {
  from {
    opacity: 0;
    transform: translateY(30px) scale(0.96);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.modal h3 {
  margin-bottom: var(--space-lg);
}

.modal-actions {
  display: flex;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.modal-actions .btn {
  flex: 1;
}

/* ===== Toast ===== */
.toast {
  position: fixed;
  bottom: calc(var(--nav-height) + var(--space-lg));
  left: 50%;
  transform: translateX(-50%);
  z-index: 2000;
  padding: var(--space-sm) var(--space-lg);
  background: var(--text-primary);
  color: var(--bg-primary);
  border-radius: var(--radius-xl);
  font-size: var(--text-sm);
  font-weight: 500;
  box-shadow: var(--shadow-lg);
  animation: toastIn 0.3s ease;
  white-space: nowrap;
}

@keyframes toastIn {
  from {
    opacity: 0;
    transform: translateX(-50%) translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
  }
}

/* ===== Loading ===== */
.loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 3000;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  color: white;
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(255, 255, 255, 0.2);
  border-top-color: var(--primary-light);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

/* manual-form styling */
.manual-form {
  animation: slideUp 0.3s ease;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 6px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* ===== Image thumbnail in expense ===== */
.expense-thumb {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}

/* ===== Responsive ===== */
@media (min-width: 768px) {
  .voice-btn {
    width: 100px;
    height: 100px;
  }

  .voice-btn .mic-icon {
    width: 36px;
    height: 36px;
  }

  .summary-cards {
    grid-template-columns: repeat(4, 1fr);
  }

  .category-grid {
    grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
  }
}

/* ===== Animations ===== */
.fade-in {
  animation: fadeIn 0.3s ease;
}

.page-transition {
  animation: pageSlide 0.25s ease;
}

@keyframes pageSlide {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Skeleton Loading ===== */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-secondary) 25%,
    var(--bg-card-hover) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes shimmer {
  0% {
    background-position: 200% 0;
  }
  100% {
    background-position: -200% 0;
  }
}

.skeleton-line {
  height: 16px;
  margin-bottom: var(--space-sm);
}

.skeleton-card {
  height: 80px;
  margin-bottom: var(--space-sm);
}

/* Manual form - image preview */
.photo-preview {
  margin-top: var(--space-sm);
  position: relative;
  display: inline-block;
}

.photo-preview img {
  max-width: 200px;
  max-height: 150px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.photo-preview .remove-photo {
  position: absolute;
  top: -8px;
  right: -8px;
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--accent-red);
  color: white;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: var(--text-xs);
}

/* ===== Day Group (按日分組) ===== */
.day-group {
  margin-bottom: var(--space-md);
}

.day-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-sm) var(--space-xs);
  margin-bottom: var(--space-xs);
}

.day-date {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--text-secondary);
}

.day-totals {
  display: flex;
  gap: var(--space-md);
}

.day-expense {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent-red);
}

.day-income {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--accent-green);
}

.day-items {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.day-items .expense-item {
  border: none;
  border-radius: 0;
  margin: 0;
  background: transparent;
  border-bottom: 1px solid var(--border-color);
}

.day-items .expense-item:last-child {
  border-bottom: none;
}

.day-items .expense-item:hover {
  background: var(--bg-card-hover);
  transform: none;
}

.day-items .expense-emoji {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ===== Dashboard Loading Bar ===== */
.dashboard-loading {
  width: 100%;
  height: 3px;
  background: var(--border-color);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: var(--space-md);
}

.dash-loading-bar {
  width: 40%;
  height: 100%;
  background: var(--gradient-primary);
  border-radius: 2px;
  animation: dashSlide 1.2s ease-in-out infinite;
}

@keyframes dashSlide {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(350%); }
}

/* ===== Action Sheet ===== */
#action-sheet {
  align-items: flex-end;
  justify-content: flex-end;
  padding: 0;
}
#action-sheet .action-sheet-content {
  width: 100%;
  background: white;
  border-radius: 24px 24px 0 0;
  padding: var(--space-md) var(--space-md) calc(var(--space-xl) + env(safe-area-inset-bottom, 0));
  display: flex;
  flex-direction: column;
  gap: 8px;
  transform: translateY(100%);
  transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='dark'] #action-sheet .action-sheet-content {
  background: var(--bg-card);
}

#action-sheet .action-sheet-content.slide-up {
  transform: translateY(0);
}

.sheet-btn {
  background: rgba(0, 0, 0, 0.03);
  border: none;
  border-radius: 16px;
  padding: var(--space-md);
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}

[data-theme='dark'] .sheet-btn {
  background: rgba(255, 255, 255, 0.05);
}

.sheet-btn:active {
  background: rgba(0, 0, 0, 0.08);
}

.sheet-btn.text-danger {
  color: var(--danger-color);
}

.sheet-divider {
  height: 1px;
  margin: 4px 0;
}

.sheet-btn.cancel-btn {
  background: white;
  border: 1px solid var(--border-color);
}

[data-theme='dark'] .sheet-btn.cancel-btn {
  background: var(--bg-card);
  border-color: rgba(255,255,255,0.1);
}


/* end of styles */