/* ===========================
   ElPuls ⚡ — CSS
   Industrial/Utilitarian aesthetic
   Mobile-first, Dieter Rams principles
   =========================== */

/* --- CSS Variables --- */
:root {
  --color-bg: #111118;
  --color-surface: #1c1c28;
  --color-surface-2: #252536;
  --color-border: rgba(255, 255, 255, 0.06);
  --color-text: #ededf4;
  --color-text-muted: #9494ae;
  --color-accent: #4ecdc4;
  --color-accent-dim: rgba(78, 205, 196, 0.12);
  --color-danger: #ff6b6b;
  --color-danger-dim: rgba(255, 107, 107, 0.12);
  --color-success: #51cf66;
  --color-overlay: rgba(0, 0, 0, 0.6);
  --color-fab-shadow: rgba(78, 205, 196, 0.25);
  --logo-filter: brightness(0) invert(1);

  --font-display: 'DM Mono', 'Courier New', monospace;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, sans-serif;

  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 32px;
  --space-2xl: 48px;

  --transition: 200ms ease-out;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
}

/* --- Light Theme --- */
[data-theme="light"] {
  --color-bg: #f6f6fa;
  --color-surface: #ffffff;
  --color-surface-2: #f0f0f6;
  --color-border: rgba(0, 0, 0, 0.06);
  --color-text: #1a1a2e;
  --color-text-muted: #7c7c96;
  --color-accent: #2aac9e;
  --color-accent-dim: rgba(42, 172, 158, 0.1);
  --color-danger: #e04040;
  --color-danger-dim: rgba(224, 64, 64, 0.08);
  --color-success: #2e9e48;
  --color-overlay: rgba(0, 0, 0, 0.3);
  --color-fab-shadow: rgba(42, 172, 158, 0.2);
  --logo-filter: none;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.08);
}

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

[hidden] {
  display: none !important;
}

/* --- Reduced Motion --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

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

body {
  font-family: var(--font-body);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100dvh;
  padding-bottom: 80px;
}

/* --- Skip Link --- */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-md);
  background: var(--color-accent);
  color: var(--color-bg);
  padding: var(--space-sm) var(--space-md);
  border-radius: var(--radius);
  font-weight: 600;
  z-index: 1000;
  text-decoration: none;
}

.skip-link:focus {
  top: var(--space-md);
}

/* --- Screen Reader Only --- */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* --- Focus --- */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 2px;
}

/* --- Header --- */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) var(--space-md);
  max-width: 640px;
  margin: 0 auto;
}

.app-logo {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--color-text-muted);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.app-logo b {
  font-weight: 500;
  color: var(--color-text);
}

.logo-img {
  height: 24px;
  width: auto;
  flex-shrink: 0;
}

/* --- Icon Button --- */
.btn-icon {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-sm);
  cursor: pointer;
  min-width: 44px;
  min-height: 44px;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 0.75rem;
  transition: color var(--transition), background var(--transition);
}

.btn-icon:hover,
.btn-icon:focus-visible {
  color: var(--color-accent);
  background: var(--color-accent-dim);
}

/* --- Car Bar --- */
/* --- WIP Banner --- */
.wip-banner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-xs) var(--space-md);
  background: rgba(78, 205, 196, 0.08);
  border-bottom: 1px solid rgba(78, 205, 196, 0.15);
  font-family: var(--font-display);
  font-size: 0.625rem;
  color: var(--color-accent);
  text-align: center;
  letter-spacing: 0.02em;
}

.wip-dismiss {
  background: none;
  border: none;
  color: var(--color-accent);
  cursor: pointer;
  padding: 4px;
  opacity: 0.6;
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.wip-dismiss:hover { opacity: 1; }

/* --- Dashboard Car (integrated in card) --- */
.dashboard-car {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
  position: relative;
}

.dashboard-car::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
  opacity: 0.3;
}

.dashboard-car-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  filter: var(--logo-filter);
  opacity: 0.7;
}

.dashboard-car-text {
  font-family: var(--font-display);
  font-size: 0.625rem;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}

/* --- Sections --- */
.section {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}

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

.section-header h2 {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}

/* --- Dashboard Card (unified) --- */
.dashboard-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.dashboard-hero {
  padding: var(--space-sm) var(--space-lg) var(--space-sm);
  text-align: center;
}

.hero-label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.hero-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: var(--space-xs);
}

.hero-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 500;
  color: var(--color-accent);
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.hero-unit {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* --- Stats Row --- */
.stats-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr 1fr;
  border-top: 1px solid var(--color-border);
}

.stat-item {
  padding: var(--space-sm) var(--space-xs);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

.stat-item:not(:last-child) {
  border-right: 1px solid var(--color-border);
}

.stat-label {
  font-family: var(--font-display);
  font-size: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.stat-value {
  font-family: var(--font-display);
  font-size: 0.8125rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

/* --- Empty State --- */
.empty-state {
  text-align: center;
  padding: var(--space-2xl) var(--space-lg);
  color: var(--color-text-muted);
  font-size: 0.9375rem;
}

/* --- Entry Modal (fullscreen) --- */
.entry-modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  background: var(--color-bg);
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.entry-modal-inner {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md) var(--space-2xl);
}

.entry-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-xl);
}

.entry-modal-header h2 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 500;
}

/* --- Form --- */
.mode-toggle {
  display: flex;
  gap: 0;
  background: var(--color-surface-2);
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--space-lg);
  padding: 3px;
}

.mode-btn {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  min-height: 44px;
  border-radius: calc(var(--radius) - 3px);
  transition: background var(--transition), color var(--transition);
}

.mode-btn.active {
  background: var(--color-surface);
  color: var(--color-accent);
  box-shadow: var(--shadow);
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-family: var(--font-display);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-xs);
}

.form-group input {
  width: 100%;
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.125rem;
  padding: var(--space-sm) var(--space-md);
  min-height: 48px;
  transition: border-color var(--transition), box-shadow var(--transition);
  font-variant-numeric: tabular-nums;
}

.form-group input:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.form-group input[aria-invalid="true"] {
  border-color: var(--color-danger);
  box-shadow: 0 0 0 3px var(--color-danger-dim);
}

.field-hint {
  display: block;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: var(--space-xs);
}

/* --- Entry Preview --- */
.entry-preview {
  background: var(--color-accent-dim);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--color-accent);
  min-height: 0;
  transition: opacity var(--transition);
}

.entry-preview:empty {
  display: none;
}

/* --- Entry Error --- */
.entry-error {
  background: var(--color-danger-dim);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  color: var(--color-danger);
}

/* --- Buttons --- */
.btn-primary {
  display: block;
  width: 100%;
  background: var(--color-accent);
  color: var(--color-bg);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  padding: var(--space-md);
  min-height: 48px;
  cursor: pointer;
  letter-spacing: 0.05em;
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: var(--shadow);
}

.btn-primary:hover { opacity: 0.9; }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.875rem;
  padding: var(--space-sm) var(--space-md);
  min-height: 44px;
  cursor: pointer;
  transition: border-color var(--transition);
}

.btn-secondary:hover { border-color: var(--color-accent); }

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

/* --- FAB --- */
.fab {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,0.3) 0%, transparent 45%),
    linear-gradient(145deg, #4eeae0 0%, #3cc4b8 35%, #2a9d8f 70%, #1f7a6e 100%);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow:
    0 0 12px rgba(78, 205, 196, 0.5),
    0 4px 16px rgba(78, 205, 196, 0.3),
    0 8px 32px rgba(78, 205, 196, 0.15),
    inset 0 1px 2px rgba(255,255,255,0.35),
    inset 0 -2px 4px rgba(0,0,0,0.2);
  z-index: 50;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  overflow: hidden;
}

.fab-glow {
  position: absolute;
  width: 140%;
  height: 140%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(78, 205, 196, 0.6) 0%, rgba(78, 205, 196, 0.15) 40%, transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
  animation: fab-pulse 2s ease-in-out infinite;
}

@keyframes fab-pulse {
  0%, 100% { transform: scale(1); opacity: 0; }
  50% { transform: scale(1.1); }
}

.fab:hover {
  transform: scale(1.08);
  box-shadow:
    0 0 20px rgba(78, 205, 196, 0.6),
    0 4px 16px rgba(78, 205, 196, 0.4),
    0 12px 40px rgba(78, 205, 196, 0.25),
    inset 0 1px 2px rgba(255,255,255,0.35),
    inset 0 -2px 4px rgba(0,0,0,0.2);
}

.fab:hover .fab-glow { opacity: 1; }

.fab:active {
  transform: scale(0.94);
  box-shadow:
    0 0 8px rgba(78, 205, 196, 0.4),
    0 2px 8px rgba(78, 205, 196, 0.2),
    inset 0 2px 6px rgba(0,0,0,0.25),
    inset 0 -1px 1px rgba(255,255,255,0.2);
}

.fab svg {
  position: relative;
  z-index: 1;
  filter: drop-shadow(0 1px 3px rgba(0,0,0,0.25));
}

/* --- History --- */
/* --- History Nav --- */
.history-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.history-selects {
  display: flex;
  gap: var(--space-xs);
}

.history-arrows {
  display: flex;
  gap: var(--space-xs);
}

.history-select {
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 0.875rem;
  padding: var(--space-sm) var(--space-md);
  min-height: 44px;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238888a0'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
  padding-right: 28px;
}

.history-select:focus {
  border-color: var(--color-accent);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-dim);
}

.history-period {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  min-width: 120px;
  text-align: center;
}

.history-year-group {
  margin-bottom: var(--space-xl);
}

.history-year-header {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding-bottom: var(--space-sm);
  border-bottom: 1px solid var(--color-border);
  margin-bottom: var(--space-md);
}

.history-list {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.history-entry {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: var(--space-xs) var(--space-sm);
  align-items: center;
  padding: var(--space-sm) var(--space-md);
  font-variant-numeric: tabular-nums;
}

.history-entry:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

.history-date {
  font-family: var(--font-display);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
}

.history-data {
  display: flex;
  flex-wrap: wrap;
  gap: 2px var(--space-sm);
  font-family: var(--font-display);
  font-size: 0.75rem;
}

.history-data span {
  white-space: nowrap;
}

.history-consumption {
  color: var(--color-accent);
  font-weight: 500;
}

.history-actions {
  position: relative;
}

.btn-more {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  padding: var(--space-xs);
  min-width: 36px;
  min-height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  transition: color var(--transition);
}

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

.history-menu {
  position: absolute;
  right: 0;
  top: 100%;
  z-index: 150;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
  min-width: 140px;
  overflow: hidden;
}

.history-menu button {
  display: block;
  width: 100%;
  background: none;
  border: none;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition);
}

.history-menu button:hover {
  background: var(--color-surface-2);
}

.history-menu button:not(:last-child) {
  border-bottom: 1px solid var(--color-border);
}

.history-menu .menu-danger {
  color: var(--color-danger);
}

.history-menu .menu-danger:hover {
  background: rgba(231, 76, 60, 0.06);
}

.year-summary {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs) var(--space-md);
  padding: var(--space-sm) var(--space-md);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius) var(--radius) 0 0;
  font-family: var(--font-display);
  font-size: 0.6875rem;
  color: var(--color-text-muted);
  margin-top: var(--space-sm);
}

.year-summary + .history-list {
  border-radius: 0 0 var(--radius) var(--radius);
  border-top: none;
}

.year-summary strong {
  color: var(--color-text);
  font-weight: 500;
}

/* --- Charts --- */
.chart-toggle {
  display: flex;
  gap: 0;
  background: var(--color-surface-2);
  border: none;
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: var(--space-sm);
  padding: 2px;
}

.chart-container {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-sm);
  position: relative;
  height: 220px;
  box-shadow: var(--shadow);
}

/* --- Settings --- */
.settings-section {
  margin-bottom: var(--space-xl);
}

.settings-section-title {
  font-family: var(--font-display);
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.settings-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  border-bottom: 1px solid var(--color-border);
}

.settings-row-label {
  font-size: 0.9375rem;
  color: var(--color-text);
}

.settings-theme-toggle {
  display: flex;
  gap: var(--space-xs);
  background: var(--color-surface-2);
  border-radius: var(--radius);
  padding: 3px;
}

.settings-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 0.75rem;
  padding: var(--space-sm) var(--space-md);
  border-radius: calc(var(--radius) - 3px);
  cursor: pointer;
  min-height: 36px;
  transition: background var(--transition), color var(--transition);
}

.settings-chip.active {
  background: var(--color-surface);
  color: var(--color-accent);
  box-shadow: var(--shadow);
}

.settings-about-text {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: var(--space-sm);
}

.settings-about-version {
  font-family: var(--font-display);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  opacity: 0.6;
}

.kofi-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  margin-top: var(--space-sm);
  color: var(--color-accent);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 0.75rem;
  padding: 0;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.kofi-link:hover { opacity: 1; }

.settings-actions {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.settings-action-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 0.875rem;
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition);
}

.settings-action-btn:hover {
  background: var(--color-surface);
  border-color: var(--color-accent);
}

.settings-action-btn svg {
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.settings-action-danger {
  color: #e74c3c;
}

.settings-action-danger svg {
  color: #e74c3c;
}

.settings-action-danger:hover {
  border-color: #e74c3c;
  background: rgba(231, 76, 60, 0.06);
}

.section-header-text {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
}

.car-profile {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  padding: var(--space-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-md);
  box-shadow: var(--shadow);
}

.car-logo-wrap {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.car-logo {
  max-width: 64px;
  max-height: 64px;
  object-fit: contain;
  border-radius: var(--radius);
}

.car-logo-placeholder {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  background: var(--color-surface-2);
  border-radius: var(--radius);
}

.car-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.car-display-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
}

.car-display-detail {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.settings-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.settings-select {
  width: 100%;
}

/* --- Backup --- */
.backup-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.backup-title {
  font-family: var(--font-display);
  font-size: 0.625rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  padding: var(--space-sm) var(--space-md) var(--space-xs);
}

.backup-row {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  width: 100%;
  background: none;
  border: none;
  border-top: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 0.8125rem;
  cursor: pointer;
  transition: background var(--transition);
  text-align: left;
}

.backup-row:hover {
  background: var(--color-surface-2);
}

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

/* --- Toast --- */
.toast {
  position: fixed;
  bottom: 100px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--color-surface);
  color: var(--color-text);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-display);
  font-size: 0.875rem;
  box-shadow: var(--shadow);
  opacity: 0;
  transition: opacity var(--transition), transform var(--transition);
  z-index: 200;
  pointer-events: none;
}

.toast.visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* --- Confirm Dialog --- */
.dialog-overlay {
  position: fixed;
  inset: 0;
  background: var(--color-overlay);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: var(--space-md);
}

.dialog {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  max-width: 400px;
  width: 100%;
}

.dialog h3 {
  font-family: var(--font-display);
  font-size: 1rem;
  margin-bottom: var(--space-sm);
}

.dialog p {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  margin-bottom: var(--space-lg);
}

.dialog-actions {
  display: flex;
  gap: var(--space-sm);
  justify-content: flex-end;
}

/* --- Ko-fi Modal --- */
.kofi-dialog {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  max-width: 440px;
  width: 100%;
  max-height: 85vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.kofi-dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  border-bottom: 1px solid var(--color-border);
}

.kofi-dialog-title {
  font-family: var(--font-display);
  font-size: 0.875rem;
  font-weight: 500;
}

.kofi-dialog-body {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.kofi-dialog-body iframe {
  display: block;
}

/* --- Footer --- */
.app-footer {
  text-align: center;
  padding: var(--space-lg) var(--space-md) var(--space-xl);
  color: var(--color-text-muted);
  font-family: var(--font-display);
  font-size: 0.75rem;
  max-width: 640px;
  margin: 0 auto;
}

.footer-support {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-md);
  margin-bottom: var(--space-lg);
  box-shadow: var(--shadow);
  text-align: left;
}

.footer-support-text {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  line-height: 1.5;
  margin-bottom: var(--space-md);
}

.footer-kofi-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: var(--radius);
  border: none;
  cursor: pointer;
  transition: opacity var(--transition), transform var(--transition);
  letter-spacing: 0.01em;
}

.footer-kofi-btn svg {
  width: 14px;
  height: 14px;
}

.footer-kofi-btn:hover { opacity: 0.85; transform: scale(1.02); }
.footer-kofi-btn:active { transform: scale(0.98); }

.footer-brand {
  margin-bottom: 2px;
}

.footer-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-sm);
}

.footer-link {
  color: var(--color-accent);
  text-decoration: none;
  font-size: 0.6875rem;
  letter-spacing: 0.05em;
  opacity: 0.8;
  transition: opacity var(--transition);
}

.footer-link:hover { opacity: 1; }

.footer-sep {
  color: var(--color-text-muted);
  opacity: 0.4;
}

.footer-export-hint {
  margin-top: var(--space-xs);
  font-size: 0.5625rem;
  opacity: 0.5;
  letter-spacing: 0.04em;
}

/* --- Animations --- */
@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fade-in 200ms ease-out;
}

/* --- Responsive --- */
@media (min-width: 480px) {
  .dashboard-hero {
    padding: var(--space-md) var(--space-xl) var(--space-sm);
  }
}

@media (max-width: 490px) {
  .history-entry {
    grid-template-columns: 1fr auto;
    gap: 2px var(--space-sm);
  }

  .history-date {
    grid-column: 1 / -1;
  }

  .history-data {
    gap: 2px var(--space-xs);
    font-size: 0.6875rem;
  }
}

@media (max-width: 359px) {
  .hero-number {
    font-size: 2rem;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .stat-item:nth-child(2) {
    border-right: none;
  }

  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-bottom: 1px solid var(--color-border);
  }

  .year-summary {
    gap: var(--space-xs) var(--space-sm);
    font-size: 0.625rem;
  }
}

@media (max-width: 319px) {
  .stats-row {
    grid-template-columns: 1fr;
  }

  .stat-item:not(:last-child) {
    border-right: none;
    border-bottom: 1px solid var(--color-border);
  }

  .stat-item:nth-child(1),
  .stat-item:nth-child(2) {
    border-bottom: 1px solid var(--color-border);
  }
}