/* ============================================
   旅游规划助手 — 主样式表
   设计风格：蓝白主色调、卡片式布局
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  --primary-900: #0c1d3a;
  --primary-800: #152a4e;
  --primary-700: #1a3a6c;
  --primary-600: #1e4d8c;
  --primary-500: #2563eb;
  --primary-400: #3b82f6;
  --primary-300: #60a5fa;
  --primary-200: #93c5fd;
  --primary-100: #dbeafe;
  --primary-50: #eff6ff;

  --accent-red: #e11d48;
  --accent-green: #16a34a;
  --accent-amber: #f59e0b;
  --accent-purple: #7c3aed;
  --accent-cyan: #0ea5e9;
  --accent-pink: #ec4899;

  --bg: #eef1f6;
  --card-bg: #ffffff;
  --text: #1e293b;
  --text-secondary: #64748b;
  --text-light: #94a3b8;
  --border: #e2e8f0;
  --divider: #f1f5f9;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.06);
  --shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.10);

  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 4px;

  --max-width: 780px;
  --header-gradient: linear-gradient(135deg, var(--primary-900) 0%, var(--primary-700) 100%);

  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Noto Sans SC',
    'Microsoft YaHei', 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a {
  color: var(--primary-500);
  text-decoration: none;
}

img {
  max-width: 100%;
}

/* ---------- Layout ---------- */
.app-container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-bottom: 60px;
}

.view {
  display: none;
  animation: fadeIn 0.35s ease;
}

.view.active {
  display: block;
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- Header (Overview) ---------- */
.trip-header {
  background: var(--header-gradient);
  color: #fff;
  padding: 28px 24px 24px;
  border-radius: 0 0 var(--radius) var(--radius);
  position: relative;
  overflow: hidden;
}

.trip-header::before {
  content: '';
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

.trip-header::after {
  content: '';
  position: absolute;
  bottom: -30px;
  left: 30%;
  width: 140px;
  height: 140px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.trip-header__title {
  font-size: 1.5rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  margin-bottom: 4px;
  position: relative;
  z-index: 1;
}

.trip-header__subtitle {
  font-size: 0.95rem;
  opacity: 0.85;
  font-weight: 400;
  position: relative;
  z-index: 1;
}

.trip-header__route {
  margin-top: 12px;
  font-size: 0.82rem;
  opacity: 0.75;
  line-height: 1.5;
  position: relative;
  z-index: 1;
}

/* Stats Grid */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px;
  margin-top: 18px;
  position: relative;
  z-index: 1;
}

.stat-card {
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}

.stat-card__label {
  font-size: 0.72rem;
  opacity: 0.7;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.stat-card__value {
  font-size: 1.15rem;
  font-weight: 700;
  margin-top: 2px;
}

.stat-card__unit {
  font-size: 0.75rem;
  font-weight: 400;
  opacity: 0.8;
}

/* Budget Bar */
.budget-bar {
  margin-top: 16px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  position: relative;
  z-index: 1;
}

.budget-bar__label {
  font-size: 0.78rem;
  opacity: 0.7;
}

.budget-bar__value {
  font-size: 1.25rem;
  font-weight: 700;
  margin-top: 2px;
}

.budget-bar__note {
  font-size: 0.72rem;
  opacity: 0.6;
  margin-top: 4px;
}

/* Schedule Pills */
.schedule-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 14px;
  position: relative;
  z-index: 1;
}

.schedule-pill {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 20px;
  padding: 4px 12px;
  font-size: 0.72rem;
  opacity: 0.85;
}

/* ---------- Section Titles ---------- */
.section-bar {
  background: var(--header-gradient);
  color: #fff;
  padding: 10px 20px;
  font-size: 0.92rem;
  font-weight: 600;
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  margin: 0;
}

.section-bar--light {
  background: var(--primary-50);
  color: var(--primary-700);
  border: 1px solid var(--primary-100);
  border-bottom: none;
}

/* ---------- Card ---------- */
.card {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin: 16px;
}

.card--flush {
  margin: 16px 0;
  border-radius: var(--radius);
}

.card__body {
  padding: 16px 20px;
}

/* ---------- Map Container ---------- */
.map-section {
  margin: 16px;
}

.map-container {
  width: 100%;
  height: 400px;
  background: var(--primary-50);
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  position: relative;
  overflow: hidden;
}

.map-container--small {
  height: 300px;
}

.map-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  color: var(--text-secondary);
  gap: 8px;
}

.map-placeholder__icon {
  font-size: 2.5rem;
  opacity: 0.4;
}

.map-placeholder__text {
  font-size: 0.85rem;
  opacity: 0.6;
  text-align: center;
  padding: 0 20px;
}

/* Map Legend */
.map-legend {
  padding: 12px 20px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  font-size: 0.78rem;
  color: var(--text-secondary);
  border-top: 1px solid var(--divider);
}

.map-legend__item {
  display: flex;
  align-items: center;
  gap: 5px;
}

.map-legend__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ---------- Day Progress Dots ---------- */
.day-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  padding: 20px 16px 8px;
  margin: 0 16px;
}

.day-progress__item {
  display: flex;
  align-items: center;
  cursor: pointer;
  transition: transform var(--transition);
}

.day-progress__item:hover {
  transform: scale(1.1);
}

.day-progress__dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--card-bg);
  transition: all var(--transition);
  position: relative;
  z-index: 1;
}

.day-progress__dot--active {
  border-color: transparent;
  transform: scale(1.1);
}

.day-progress__line {
  width: 28px;
  height: 2px;
  background: var(--border);
  flex-shrink: 0;
}

.day-progress__label {
  font-size: 0.65rem;
  color: var(--text-light);
  margin-top: 4px;
  font-weight: 600;
}

.day-progress__wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}

/* ---------- Day Summary Card ---------- */
.day-summary-list {
  padding: 0 16px;
}

.day-summary {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 16px 18px;
  margin-bottom: 12px;
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
  position: relative;
}

.day-summary:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary-200);
  transform: translateY(-1px);
}

.day-summary:active {
  transform: translateY(0);
}

.day-summary__header {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 8px;
}

.day-summary__badge {
  flex-shrink: 0;
  width: 38px;
  height: 38px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.82rem;
  font-weight: 800;
  color: #fff;
}

.day-summary__title-group {
  flex: 1;
  min-width: 0;
}

.day-summary__date {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary-700);
}

.day-summary__theme {
  font-size: 0.85rem;
  color: var(--text);
  margin-top: 2px;
  font-weight: 500;
}

.day-summary__details {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--divider);
  font-size: 0.78rem;
  color: var(--text-secondary);
}

.day-summary__detail-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

.day-summary__detail-icon {
  font-size: 0.85rem;
  flex-shrink: 0;
}

.day-summary__arrow {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-light);
  font-size: 1.1rem;
  transition: transform var(--transition);
}

.day-summary:hover .day-summary__arrow {
  transform: translateY(-50%) translateX(3px);
  color: var(--primary-500);
}

/* ---------- Data Update Footer ---------- */
.data-footer {
  text-align: center;
  padding: 16px;
  font-size: 0.72rem;
  color: var(--text-light);
}

/* ---------- Day Detail Header ---------- */
.day-header {
  background: var(--header-gradient);
  color: #fff;
  padding: 24px 24px 20px;
  border-radius: 0 0 var(--radius) var(--radius);
}

.day-header__back {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.82rem;
  cursor: pointer;
  margin-bottom: 12px;
  transition: color var(--transition);
  background: none;
  border: none;
  padding: 4px 0;
}

.day-header__back:hover {
  color: #fff;
}

.day-header__title {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.day-header__theme {
  font-size: 0.95rem;
  font-weight: 500;
  opacity: 0.9;
  margin-bottom: 12px;
}

.day-header__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 10px;
}

.day-header__tag {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 20px;
  padding: 3px 10px;
  font-size: 0.72rem;
}

.day-header__info-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  font-size: 0.78rem;
  opacity: 0.8;
  margin-top: 8px;
}

.day-header__info-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ---------- Timeline ---------- */
.timeline {
  position: relative;
  padding: 4px 0;
}

.timeline__item {
  display: flex;
  gap: 14px;
  padding: 10px 0;
  position: relative;
}

.timeline__marker {
  flex-shrink: 0;
  width: 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.timeline__dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--primary-500);
  border: 2px solid var(--primary-200);
  flex-shrink: 0;
  position: relative;
  z-index: 1;
}

.timeline__dot--highlight {
  width: 14px;
  height: 14px;
  background: var(--accent-red);
  border-color: #fecdd3;
}

.timeline__line {
  width: 2px;
  flex: 1;
  background: var(--primary-100);
  margin-top: 4px;
}

.timeline__content {
  flex: 1;
  padding-bottom: 4px;
}

.timeline__time {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary-600);
}

.timeline__event {
  font-size: 0.85rem;
  color: var(--text);
  margin-top: 2px;
  line-height: 1.5;
}

/* ---------- Attraction Card ---------- */
.attraction-card {
  border-bottom: 1px solid var(--divider);
  padding: 16px 0;
}

.attraction-card:last-child {
  border-bottom: none;
}

.attraction-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary-800);
  margin-bottom: 4px;
}

.attraction-card__level {
  display: inline-block;
  background: var(--primary-50);
  color: var(--primary-600);
  font-size: 0.72rem;
  font-weight: 600;
  padding: 2px 8px;
  border-radius: var(--radius-xs);
  margin-bottom: 6px;
}

.attraction-card__ticket {
  font-size: 0.82rem;
  color: var(--accent-red);
  font-weight: 600;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.attraction-card__section {
  margin-bottom: 12px;
}

.attraction-card__section-title {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  gap: 4px;
}

.attraction-card__section-text {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.65;
}

.attraction-card__child-tip {
  background: #fff7ed;
  border: 1px solid #fed7aa;
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  margin-top: 8px;
}

.attraction-card__child-tip-title {
  font-size: 0.75rem;
  font-weight: 700;
  color: #c2410c;
  margin-bottom: 3px;
}

.attraction-card__child-tip-text {
  font-size: 0.78rem;
  color: #9a3412;
  line-height: 1.5;
}

/* ---------- Meal Card ---------- */
.meal-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.meal-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  background: var(--primary-50);
  border-radius: var(--radius-sm);
}

.meal-item__icon {
  font-size: 1.3rem;
  flex-shrink: 0;
}

.meal-item__info {
  flex: 1;
}

.meal-item__type {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--primary-700);
}

.meal-item__suggestion {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-top: 1px;
}

.meal-item__budget {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-amber);
  flex-shrink: 0;
}

/* ---------- Cost Table ---------- */
.cost-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.82rem;
}

.cost-table th {
  text-align: left;
  padding: 8px 12px;
  background: var(--primary-50);
  color: var(--primary-700);
  font-weight: 600;
  font-size: 0.75rem;
  border-bottom: 2px solid var(--primary-200);
}

.cost-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--divider);
  color: var(--text-secondary);
}

.cost-table tr:last-child td {
  border-bottom: none;
}

.cost-table tbody tr:hover {
  background: var(--primary-50);
}

.cost-table .num {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 500;
  color: var(--text);
}

/* Budget Summary */
.budget-summary {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 4px 0;
}

.budget-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 12px;
  background: var(--divider);
  border-radius: var(--radius-xs);
  font-size: 0.82rem;
}

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

.budget-item__value {
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}

.budget-total {
  grid-column: 1 / -1;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px;
  background: var(--primary-700);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 0.92rem;
  margin-top: 4px;
}

.budget-total__label {
  font-weight: 500;
}

.budget-total__value {
  font-weight: 800;
  font-size: 1.1rem;
}

/* ---------- Navigation FAB ---------- */
.fab-back {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary-700);
  color: #fff;
  border: none;
  box-shadow: var(--shadow-lg);
  cursor: pointer;
  font-size: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  z-index: 100;
}

.fab-back:hover {
  background: var(--primary-600);
  transform: scale(1.08);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.18);
}

/* ---------- Loading Spinner ---------- */
.spinner {
  display: inline-block;
  width: 24px;
  height: 24px;
  border: 3px solid var(--primary-100);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ============ INPUT PAGE ============ */

.input-page {
  padding: 0 0 40px;
  position: relative;
}

/* Hero */
.input-hero {
  background: var(--header-gradient);
  color: #fff;
  text-align: center;
  padding: 48px 24px 36px;
  border-radius: 0 0 var(--radius) var(--radius);
  position: relative;
  overflow: hidden;
}

.input-hero::before {
  content: '';
  position: absolute;
  top: -80px;
  right: -80px;
  width: 260px;
  height: 260px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

.input-hero::after {
  content: '';
  position: absolute;
  bottom: -50px;
  left: 20%;
  width: 180px;
  height: 180px;
  background: rgba(255, 255, 255, 0.03);
  border-radius: 50%;
}

.input-hero__icon {
  font-size: 3rem;
  position: relative;
  z-index: 1;
  animation: float 3s ease-in-out infinite;
}

@keyframes float {

  0%,
  100% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-8px);
  }
}

.input-hero__title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-top: 12px;
  position: relative;
  z-index: 1;
  letter-spacing: 0.02em;
}

.input-hero__subtitle {
  font-size: 0.9rem;
  opacity: 0.8;
  margin-top: 6px;
  position: relative;
  z-index: 1;
}

/* Form sections */
.trip-form {
  padding: 0 16px;
}

.form-section {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
  margin-top: 16px;
}

.form-section__title {
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--primary-800);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.form-row {
  display: flex;
  gap: 12px;
  margin-bottom: 12px;
}

.form-row--two>.form-group {
  flex: 1;
}

.form-row--three>.form-group {
  flex: 1;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.form-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-secondary);
  display: flex;
  align-items: center;
  gap: 4px;
}

.form-label .required {
  color: var(--accent-red);
}

.form-input {
  width: 100%;
  padding: 10px 14px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  color: var(--text);
  background: var(--card-bg);
  transition: all var(--transition);
  font-family: inherit;
  outline: none;
}

.form-input:focus {
  border-color: var(--primary-400);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

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

.form-textarea {
  resize: vertical;
  min-height: 52px;
}

/* Stepper */
.stepper {
  display: flex;
  align-items: center;
  gap: 0;
}

.stepper__btn {
  width: 36px;
  height: 38px;
  border: 1.5px solid var(--border);
  background: var(--primary-50);
  color: var(--primary-600);
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.stepper__btn:first-child {
  border-radius: var(--radius-sm) 0 0 var(--radius-sm);
  border-right: none;
}

.stepper__btn:last-child {
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  border-left: none;
}

.stepper__btn:hover {
  background: var(--primary-100);
}

.stepper__btn:active {
  background: var(--primary-200);
}

.stepper__input {
  border-radius: 0;
  text-align: center;
  width: 56px;
  -moz-appearance: textfield;
  appearance: textfield;
}

.stepper__input::-webkit-inner-spin-button,
.stepper__input::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

/* Chip group */
.chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  cursor: pointer;
}

.chip input {
  display: none;
}

.chip__label {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 0.82rem;
  border: 1.5px solid var(--border);
  background: var(--card-bg);
  color: var(--text-secondary);
  transition: all var(--transition);
  user-select: none;
}

.chip input:checked+.chip__label {
  background: var(--primary-500);
  color: #fff;
  border-color: var(--primary-500);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.3);
}

.chip__label:hover {
  border-color: var(--primary-300);
}

/* Submit button */
.btn-primary {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 16px;
  border: none;
  border-radius: var(--radius);
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--primary-600), var(--primary-500));
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.35);
  font-family: inherit;
}

.btn-primary:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(37, 99, 235, 0.45);
}

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

.btn-generate {
  margin-top: 20px;
}

.btn-generate__icon {
  font-size: 1.2rem;
}

.btn-secondary {
  padding: 10px 20px;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  background: var(--card-bg);
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-secondary:hover {
  border-color: var(--primary-300);
  color: var(--primary-600);
}

.btn-text {
  background: none;
  border: none;
  color: var(--primary-500);
  font-size: 0.82rem;
  cursor: pointer;
  padding: 4px 8px;
  font-family: inherit;
  transition: color var(--transition);
}

.btn-text:hover {
  color: var(--primary-700);
}

/* New trip button */
.btn-new-trip {
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: rgba(255, 255, 255, 0.8);
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  font-size: 0.82rem;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
}

.btn-new-trip:hover {
  background: rgba(255, 255, 255, 0.2);
  color: #fff;
}

.trip-header__top-bar {
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}

/* Settings button */
.btn-settings {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--card-bg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-lg);
  font-size: 1.3rem;
  cursor: pointer;
  z-index: 100;
  transition: all var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn-settings:hover {
  transform: scale(1.08) rotate(45deg);
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.15);
}

/* History list */
.history-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.history-item {
  padding: 12px 16px;
  background: var(--primary-50);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: 1px solid transparent;
}

.history-item:hover {
  border-color: var(--primary-200);
  background: var(--primary-100);
}

.history-item__title {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.history-item__meta {
  font-size: 0.75rem;
  color: var(--text-light);
  margin-top: 2px;
}

/* Demo hint */
.demo-hint {
  text-align: center;
  padding: 16px;
}

/* ============ LOADING PAGE ============ */

.loading-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 70vh;
  text-align: center;
  padding: 40px 24px;
}

.loading-animation {
  position: relative;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 32px;
}

.loading-globe {
  font-size: 3.5rem;
  animation: floatSpin 4s ease-in-out infinite;
}

@keyframes floatSpin {
  0% {
    transform: translateY(0) rotate(0);
  }

  50% {
    transform: translateY(-10px) rotate(15deg);
  }

  100% {
    transform: translateY(0) rotate(0);
  }
}

.loading-ring {
  position: absolute;
  inset: 0;
  border: 3px solid var(--primary-100);
  border-top-color: var(--primary-500);
  border-radius: 50%;
  animation: spin 1.5s linear infinite;
}

.loading-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-800);
  margin-bottom: 8px;
}

.loading-message {
  font-size: 0.92rem;
  color: var(--text-secondary);
  transition: opacity 0.3s ease;
}

.loading-dots {
  display: flex;
  gap: 6px;
  margin-top: 24px;
}

.loading-dots span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--primary-400);
  animation: dotBounce 1.4s ease-in-out infinite;
}

.loading-dots span:nth-child(2) {
  animation-delay: 0.16s;
}

.loading-dots span:nth-child(3) {
  animation-delay: 0.32s;
}

@keyframes dotBounce {

  0%,
  80%,
  100% {
    transform: scale(0.6);
    opacity: 0.4;
  }

  40% {
    transform: scale(1);
    opacity: 1;
  }
}

/* ============ ERROR PAGE ============ */

.error-page {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 60vh;
  text-align: center;
  padding: 40px 24px;
}

.error-page__icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
}

.error-page__title {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 8px;
}

.error-page__message {
  font-size: 0.92rem;
  color: var(--text-secondary);
  max-width: 400px;
  line-height: 1.6;
  margin-bottom: 24px;
  word-break: break-word;
}

.error-page .btn-primary {
  width: auto;
  padding: 12px 32px;
}

/* ============ MODAL ============ */

.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.modal-overlay--visible {
  opacity: 1;
  pointer-events: auto;
}

.modal {
  background: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  width: 90%;
  max-width: 440px;
  max-height: 90vh;
  overflow-y: auto;
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 0;
}

.modal__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
}

.modal__close {
  background: none;
  border: none;
  font-size: 1.2rem;
  color: var(--text-light);
  cursor: pointer;
  padding: 4px 8px;
  transition: color var(--transition);
}

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

.modal__body {
  padding: 16px 20px;
}

.modal__hint {
  font-size: 0.82rem;
  color: var(--text-secondary);
  margin-bottom: 16px;
  line-height: 1.5;
}

.modal__body .form-group {
  margin-bottom: 12px;
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  padding: 12px 20px 20px;
}

.modal__footer .btn-primary {
  width: auto;
  padding: 10px 24px;
  font-size: 0.88rem;
}

/* ---------- Responsive ---------- */
@media (max-width: 480px) {
  .trip-header {
    padding: 20px 16px 18px;
  }

  .trip-header__title {
    font-size: 1.25rem;
  }

  .stats-grid {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }

  .stat-card {
    padding: 10px 12px;
  }

  .stat-card__value {
    font-size: 1rem;
  }

  .card {
    margin: 10px;
  }

  .map-section {
    margin: 10px;
  }

  .day-summary-list {
    padding: 0 10px;
  }

  .day-progress {
    margin: 0 10px;
  }

  .day-progress__line {
    width: 16px;
  }

  .budget-summary {
    grid-template-columns: 1fr;
  }

  .day-header__info-row {
    flex-direction: column;
    gap: 6px;
  }

  /* Input page responsive */
  .form-row {
    flex-direction: column;
  }

  .form-section {
    padding: 16px;
  }

  .input-hero {
    padding: 36px 16px 28px;
  }

  .input-hero__title {
    font-size: 1.3rem;
  }
}

@media (min-width: 481px) and (max-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 769px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- Utilities ---------- */
.text-center {
  text-align: center;
}

.mt-2 {
  margin-top: 8px;
}

.mt-4 {
  margin-top: 16px;
}

.mb-2 {
  margin-bottom: 8px;
}

.hidden {
  display: none !important;
}

/* Print Styles */
@media print {
  body {
    background: #fff;
  }

  .fab-back {
    display: none;
  }

  .btn-settings {
    display: none;
  }

  .day-summary {
    break-inside: avoid;
  }
}