/* ═══════════════════════════════════════════
   Adventure Tracker — Design System
   ═══════════════════════════════════════════ */

/* ── Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=DM+Serif+Display&display=swap');

/* ── Color Palette ── */
:root {
  --color-primary: #2D5016;
  --color-primary-light: #3d6b1e;
  --color-secondary: #8B6914;
  --color-secondary-light: #a37d1a;
  --color-background: #FAF8F5;
  --color-surface: #FFFFFF;
  --color-surface-hover: #F5F3F0;
  --color-text: #1A1A1A;
  --color-text-muted: #6B6B6B;
  --color-text-light: #999999;
  --color-border: #E5E2DD;
  --color-border-light: #F0EEEA;

  /* Sport colors */
  --sport-trail_running: #E85D24;
  --sport-road_running: #E85D24;
  --sport-nordic_skiing: #7EC8E3;
  --sport-backcountry_skiing: #2E86DE;
  --sport-resort_skiing: #1B4F72;
  --sport-mountain_biking: #27AE60;
  --sport-road_biking: #27AE60;
  --sport-gravel_biking: #27AE60;
  --sport-kayaking: #00A8CC;
  --sport-rafting: #00A8CC;
  --sport-packrafting: #00A8CC;
  --sport-hiking: #8B6914;
  --sport-backpacking: #8B6914;
  --sport-climbing: #7F1D1D;
  --sport-mountaineering: #7F1D1D;
  --sport-snowshoeing: #6C8EBF;
  --sport-fat_biking: #27AE60;
  --sport-other: #6B6B6B;

  /* Layout */
  --nav-height: 56px;
  --sidebar-width: 320px;
  --radius: 8px;
  --radius-lg: 12px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.1);
  --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
  --transition: 200ms ease;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--color-text);
  background: var(--color-background);
  line-height: 1.6;
}

h1, h2, h3 {
  font-family: 'DM Serif Display', serif;
  font-weight: 400;
  line-height: 1.2;
}

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

img {
  max-width: 100%;
  height: auto;
}

/* ── Navigation ── */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  padding: 0 24px;
  z-index: 100;
}

.nav-brand {
  font-family: 'DM Serif Display', serif;
  font-size: 1.25rem;
  color: var(--color-primary);
  margin-right: auto;
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-brand svg {
  width: 24px;
  height: 24px;
}

.nav-links {
  display: flex;
  gap: 4px;
  list-style: none;
}

.nav-links a {
  padding: 8px 14px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--transition);
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary);
  background: rgba(45, 80, 22, 0.08);
}

.nav-hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

/* ── Map Filter Bar ── */
.map-filter-bar {
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  height: 44px;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border-light);
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 16px;
  z-index: 50;
}

.map-filter-bar .filter-select {
  padding: 6px 10px;
  font-size: 0.8rem;
}

.map-filter-bar .result-count {
  margin-left: auto;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  white-space: nowrap;
}

/* ── Basemap Toggle ── */
.basemap-toggle {
  display: flex;
  gap: 2px;
  margin-left: 8px;
}

.basemap-btn {
  padding: 5px 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition);
  display: flex;
  align-items: center;
}

.basemap-btn:first-child { border-radius: var(--radius) 0 0 var(--radius); }
.basemap-btn:last-child { border-radius: 0 var(--radius) var(--radius) 0; }

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

/* ── Map Page ── */
.map-page {
  position: fixed;
  top: calc(var(--nav-height) + 44px);
  left: 0;
  right: 0;
  bottom: 0;
}

#map {
  width: 100%;
  height: 100%;
}

/* ── Map Filter Panel ── */
.filter-panel {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 280px;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  z-index: 10;
  overflow: hidden;
  transition: transform var(--transition);
}

.filter-panel.collapsed {
  transform: translateX(-300px);
}

.filter-panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--color-border-light);
  font-weight: 600;
  font-size: 0.875rem;
}

.filter-panel-body {
  padding: 12px 16px;
  max-height: calc(100vh - var(--nav-height) - 120px);
  overflow-y: auto;
}

.filter-group {
  margin-bottom: 16px;
}

.filter-group-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.filter-checkboxes {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
}

.filter-chip:hover {
  border-color: var(--color-text-muted);
}

.filter-chip.active {
  border-color: transparent;
  color: white;
}

.filter-chip .dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.filter-toggle-btn {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 36px;
  height: 36px;
  background: var(--color-surface);
  border: none;
  border-radius: var(--radius);
  box-shadow: var(--shadow-md);
  cursor: pointer;
  z-index: 9;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

/* ── Map Popup ── */
.trip-popup {
  padding: 0;
  min-width: 240px;
}

.trip-popup-photo {
  width: 100%;
  height: 120px;
  object-fit: cover;
  border-radius: var(--radius) var(--radius) 0 0;
}

.trip-popup-body {
  padding: 12px;
}

.trip-popup-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1rem;
  margin-bottom: 2px;
}

.trip-popup-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 8px;
}

.trip-popup-stats {
  display: flex;
  gap: 12px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.trip-popup-stats strong {
  color: var(--color-text);
  font-weight: 600;
}

.trip-popup-link {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-primary);
}

/* ── Page Layout ── */
.page {
  padding-top: calc(var(--nav-height) + 24px);
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.page-header {
  margin-bottom: 32px;
}

.page-title {
  font-size: 2rem;
  margin-bottom: 4px;
}

.page-subtitle {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* ── Stats Banner ── */
.stats-banner {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.stat-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-top: 4px;
}

/* ── Filters Row ── */
.filters-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.search-input {
  flex: 1;
  min-width: 180px;
  padding: 9px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-family: inherit;
  background: var(--color-surface);
  transition: border-color var(--transition);
}

.search-input:focus {
  outline: none;
  border-color: var(--color-primary);
}

.filter-select,
.sort-select {
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.85rem;
  font-family: inherit;
  background: var(--color-surface);
  cursor: pointer;
  color: var(--color-text);
}

.filter-select:focus,
.sort-select:focus {
  outline: none;
  border-color: var(--color-primary);
}

/* ── Slider Filters ── */
.slider-filter {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 160px;
}

.slider-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
}

.range-slider {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 4px;
  background: var(--color-border);
  border-radius: 2px;
  outline: none;
  margin: 2px 0;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--color-primary);
  cursor: pointer;
}

/* ── People Filter ── */
.people-filter {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.people-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.people-chip {
  padding: 3px 10px;
  border-radius: 14px;
  font-size: 0.75rem;
  font-weight: 500;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  cursor: pointer;
  user-select: none;
  transition: all var(--transition);
}

.people-chip.active {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: white;
}

.solo-check {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  display: flex;
  align-items: center;
  gap: 4px;
  margin-top: 2px;
  cursor: pointer;
}

.solo-check input {
  accent-color: var(--color-primary);
}

/* ── Edit Form ── */
.edit-form {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border-light);
}

/* ── View Bar ── */
.view-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
}

.result-count {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.view-toggle {
  display: flex;
  gap: 4px;
}

.view-btn {
  padding: 6px 8px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  cursor: pointer;
  color: var(--color-text-muted);
  transition: all var(--transition);
  display: flex;
  align-items: center;
}

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

/* ── Trip List View ── */
.trip-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.trip-list-item {
  display: grid;
  grid-template-columns: 90px 1fr auto auto auto auto auto;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  background: var(--color-surface);
  border-radius: var(--radius);
  text-decoration: none;
  color: inherit;
  transition: background var(--transition);
  font-size: 0.85rem;
}

.trip-list-item:hover {
  background: var(--color-surface-hover);
}

.trip-list-item .list-date {
  color: var(--color-text-muted);
  font-size: 0.8rem;
  white-space: nowrap;
}

.trip-list-item .list-title {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.trip-list-item .list-sport {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  white-space: nowrap;
}

.trip-list-item .list-stat {
  text-align: right;
  white-space: nowrap;
  color: var(--color-text-muted);
  font-size: 0.8rem;
  min-width: 55px;
}

.trip-list-item .list-stat strong {
  color: var(--color-text);
  font-weight: 600;
}

.trip-list-item .list-people {
  font-size: 0.75rem;
  color: var(--color-text-light);
  white-space: nowrap;
  min-width: 40px;
}

/* List header row */
.trip-list-header {
  display: grid;
  grid-template-columns: 90px 1fr auto auto auto auto auto;
  gap: 16px;
  padding: 6px 16px;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 4px;
}

.trip-list-header span {
  cursor: pointer;
}

.trip-list-header span:hover {
  color: var(--color-text);
}

.trip-list-header .list-stat {
  text-align: right;
  min-width: 55px;
}

.controls-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.sort-select {
  cursor: pointer;
}

/* ── Trip Card Grid ── */
.trip-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.trip-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: block;
}

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

.trip-card-photo {
  width: 100%;
  height: 200px;
  object-fit: cover;
  background: var(--color-border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  font-size: 2rem;
}

.trip-card-body {
  padding: 16px;
}

.trip-card-sport {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 12px;
  font-size: 0.7rem;
  font-weight: 600;
  color: white;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.trip-card-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.15rem;
  margin-bottom: 2px;
}

.trip-card-location {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
}

.trip-card-stats {
  display: flex;
  gap: 14px;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.trip-card-stats span {
  display: flex;
  align-items: center;
  gap: 3px;
}

.trip-card-stats strong {
  color: var(--color-text);
  font-weight: 600;
}

/* ── Trip Detail Page ── */
.trip-hero {
  position: relative;
  width: 100%;
  height: 400px;
  background: var(--color-border-light);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  margin-top: var(--nav-height);
}

.trip-hero img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.trip-hero-overlay {
  position: relative;
  z-index: 1;
  width: 100%;
  padding: 32px;
  background: linear-gradient(transparent, rgba(0,0,0,0.65));
  color: white;
}

.trip-hero-title {
  font-size: 2.5rem;
  margin-bottom: 4px;
  text-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.trip-hero-meta {
  font-size: 0.95rem;
  opacity: 0.9;
}

.trip-detail {
  padding: 32px 0;
}

.trip-meta-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-border-light);
  margin-bottom: 24px;
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

.trip-meta-bar strong {
  color: var(--color-text);
}

.trip-stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 32px;
}

.trip-stat {
  text-align: center;
  padding: 16px;
  background: var(--color-surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.trip-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-primary);
}

.trip-stat-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.trip-map-embed {
  width: 100%;
  height: 400px;
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
}

.trip-report {
  max-width: 720px;
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 32px;
}

.trip-report p {
  margin-bottom: 16px;
}

.trip-tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}

.tag {
  padding: 4px 12px;
  border-radius: 20px;
  background: var(--color-border-light);
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

.trip-nav {
  display: flex;
  justify-content: space-between;
  padding: 24px 0;
  border-top: 1px solid var(--color-border-light);
  margin-top: 32px;
}

.trip-nav a {
  font-size: 0.875rem;
  font-weight: 500;
}

/* ── Photo Gallery ── */
.photo-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 32px;
}

.photo-gallery img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: var(--radius);
  cursor: pointer;
  transition: opacity var(--transition);
}

.photo-gallery img:hover {
  opacity: 0.85;
}

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 200ms;
}

.lightbox.active {
  opacity: 1;
  pointer-events: all;
}

.lightbox img {
  max-width: 90vw;
  max-height: 90vh;
  object-fit: contain;
  border-radius: var(--radius);
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  color: white;
  font-size: 2rem;
  cursor: pointer;
}

/* ── Add Trip Form ── */
.form-page {
  max-width: 720px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 20px;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-family: inherit;
  background: var(--color-surface);
  transition: border-color var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
}

.form-textarea {
  min-height: 150px;
  resize: vertical;
}

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

.form-row-3 {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 16px;
}

.dropzone {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  transition: all var(--transition);
  color: var(--color-text-muted);
}

.dropzone:hover,
.dropzone.dragover {
  border-color: var(--color-primary);
  background: rgba(45, 80, 22, 0.04);
}

.dropzone-label {
  font-size: 0.95rem;
  font-weight: 500;
}

.dropzone-hint {
  font-size: 0.8rem;
  margin-top: 4px;
}

.gpx-preview-map {
  width: 100%;
  height: 250px;
  border-radius: var(--radius);
  margin-top: 12px;
  overflow: hidden;
}

.btn {
  padding: 10px 24px;
  border-radius: var(--radius);
  font-size: 0.875rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
}

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

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

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

.btn-secondary:hover {
  background: var(--color-surface-hover);
}

.btn-group {
  display: flex;
  gap: 12px;
  margin-top: 24px;
}

/* ── Future Trips ── */
.future-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-secondary);
}

.future-card-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.15rem;
  margin-bottom: 4px;
}

.future-card-meta {
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.future-card-tags {
  margin-top: 10px;
}

/* ── Empty States ── */
.empty-state {
  text-align: center;
  padding: 80px 24px;
  color: var(--color-text-muted);
}

.empty-state-icon {
  font-size: 3rem;
  margin-bottom: 16px;
  opacity: 0.4;
}

.empty-state-title {
  font-family: 'DM Serif Display', serif;
  font-size: 1.5rem;
  color: var(--color-text);
  margin-bottom: 8px;
}

.empty-state-text {
  max-width: 400px;
  margin: 0 auto;
}

/* ── Loading ── */
.loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--color-text-muted);
}

.spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin 0.6s linear infinite;
  margin-right: 10px;
}

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

/* ── Responsive ── */
@media (max-width: 1199px) {
  .trip-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .stats-banner {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 767px) {
  .nav-links {
    display: none;
  }
  .nav-hamburger {
    display: flex;
  }
  .nav-links.open {
    display: flex;
    flex-direction: column;
    position: absolute;
    top: var(--nav-height);
    left: 0;
    right: 0;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    padding: 8px;
    box-shadow: var(--shadow-md);
  }
  .trip-grid {
    grid-template-columns: 1fr;
  }
  .trip-list-item {
    grid-template-columns: 70px 1fr auto auto;
    gap: 8px;
    padding: 8px 12px;
  }
  .trip-list-item .list-stat:nth-child(5),
  .trip-list-item .list-people {
    display: none;
  }
  .trip-list-header {
    grid-template-columns: 70px 1fr auto auto;
    gap: 8px;
    padding: 4px 12px;
  }
  .trip-list-header span:nth-child(5),
  .trip-list-header span:nth-child(6),
  .trip-list-header span:nth-child(7) {
    display: none;
  }
  .filters-row {
    gap: 8px;
  }
  .filter-select {
    flex: 1;
    min-width: 0;
  }
  .stats-banner {
    grid-template-columns: repeat(2, 1fr);
  }
  .trip-stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
  .trip-hero-title {
    font-size: 1.75rem;
  }
  .filter-panel {
    width: calc(100vw - 24px);
    left: 12px;
    right: 12px;
  }
  .form-row, .form-row-3 {
    grid-template-columns: 1fr;
  }
  .page-title {
    font-size: 1.5rem;
  }
  .container {
    padding: 0 16px;
  }
}

/* ── Mapbox Overrides ── */
.mapboxgl-popup-content {
  padding: 0 !important;
  border-radius: var(--radius) !important;
  overflow: hidden;
  box-shadow: var(--shadow-lg) !important;
}

.mapboxgl-popup-close-button {
  color: var(--color-text-muted);
  font-size: 1.2rem;
  padding: 4px 8px;
  z-index: 1;
}

/* ── Login Page ── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-background);
}

.login-card {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 400px;
  box-shadow: var(--shadow-lg);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 4px;
  color: var(--color-primary);
}

.login-brand h1 {
  font-size: 1.4rem;
}

.login-subtitle {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

/* ── Nav User Menu ── */
.nav-user {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 12px;
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.nav-user button {
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 4px 10px;
  font-size: 0.8rem;
  font-family: inherit;
  cursor: pointer;
  color: var(--color-text-muted);
}

.nav-user button:hover {
  background: var(--color-surface-hover);
}

/* ── Modal ── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  width: 100%;
  max-width: 500px;
  box-shadow: var(--shadow-lg);
}

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

.modal-header h3 {
  font-family: 'DM Serif Display', serif;
}

.modal-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-muted);
}

/* ── Plan Page ── */
.plan-header {
  margin-bottom: 32px;
}

.plan-back {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  display: inline-block;
  margin-bottom: 8px;
}

.plan-meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-top: 4px;
}

.plan-section {
  margin-bottom: 28px;
}

.plan-section-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--color-border-light);
}

.plan-section-header h3 {
  font-size: 1rem;
  font-family: 'DM Serif Display', serif;
}

/* ── Links ── */
.link-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  margin-bottom: 6px;
}

.link-title {
  font-weight: 500;
  font-size: 0.85rem;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.link-url {
  font-size: 0.75rem;
  color: var(--color-text-light);
  white-space: nowrap;
}

.link-delete {
  background: none;
  border: none;
  color: var(--color-text-light);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 0 4px;
}

.link-delete:hover {
  color: #c0392b;
}

/* ── Checklists ── */
.checklist {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius);
  margin-bottom: 12px;
  overflow: hidden;
}

.checklist-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--color-background);
  border-bottom: 1px solid var(--color-border-light);
  font-weight: 600;
  font-size: 0.85rem;
}

.checklist-header .checklist-progress {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-text-muted);
}

.checklist-header button {
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: 1rem;
  padding: 0 4px;
}

.checklist-items {
  padding: 4px 0;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  font-size: 0.85rem;
  transition: background var(--transition);
}

.checklist-item:hover {
  background: var(--color-surface-hover);
}

.checklist-item input[type="checkbox"] {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

.checklist-item.checked .checklist-item-text {
  text-decoration: line-through;
  color: var(--color-text-light);
}

.checklist-item-text {
  flex: 1;
}

.checklist-item .item-delete {
  background: none;
  border: none;
  color: var(--color-text-light);
  cursor: pointer;
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity var(--transition);
}

.checklist-item:hover .item-delete {
  opacity: 1;
}

.checklist-add {
  display: flex;
  gap: 6px;
  padding: 6px 14px 10px;
}

.checklist-add input {
  flex: 1;
  border: none;
  border-bottom: 1px solid var(--color-border-light);
  padding: 4px 0;
  font-size: 0.85rem;
  font-family: inherit;
  background: transparent;
  outline: none;
}

.checklist-add input:focus {
  border-bottom-color: var(--color-primary);
}

/* ── Future List ── */
.future-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.future-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
  transition: all var(--transition);
}

/* ── Utility ── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }