/* ================================================================
   styles.css – Rome Food Tour Planner (Google Maps)
   All leaflet-specific class names removed / renamed
   ================================================================ */

:root,
[data-theme="light"] {
  --bg: #f6f8fc;
  --bg-soft: #eef3ff;
  --surface: rgba(255, 255, 255, 0.88);
  --surface-2: #ffffff;
  --surface-3: #f8fafc;
  --surface-4: #f1f5f9;
  --border: rgba(15, 23, 42, 0.08);
  --border-strong: rgba(15, 23, 42, 0.14);
  --text: #0f172a;
  --muted: #5b6475;
  --faint: #8b95a7;
  --inv: #ffffff;
  --accent: #4f46e5;
  --accent-2: #7c3aed;
  --accent-soft: rgba(79, 70, 229, 0.1);
  --accent-ring: rgba(79, 70, 229, 0.18);
  --success: #10b981;
  --success-soft: rgba(16, 185, 129, 0.12);
  --blue: #2563eb;
  --blue-soft: rgba(37, 99, 235, 0.1);
  --danger-bg: #fff1f2;
  --danger-bdr: #fecdd3;
  --danger-txt: #be123c;
  --ff-serif: "Cormorant Garamond", Georgia, serif;
  --ff-sans: "Inter", sans-serif;
  --r-sm: 0.65rem;
  --r-md: 0.9rem;
  --r-lg: 1.15rem;
  --r-xl: 1.5rem;
  --r-2xl: 1.8rem;
  --r-3xl: 2.2rem;
  --r-full: 9999px;
  --max-w: 1280px;
  --shadow: 0 20px 60px rgba(15, 23, 42, 0.08);
  --shadow-sm: 0 10px 28px rgba(15, 23, 42, 0.06);
  --shadow-card: 0 12px 30px rgba(15, 23, 42, 0.06);
  --tr: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme="dark"] {
  --bg: #0b1120;
  --bg-soft: #111827;
  --surface: rgba(15, 23, 42, 0.82);
  --surface-2: #111827;
  --surface-3: #162033;
  --surface-4: #1d2940;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #e5eefc;
  --muted: #96a2b8;
  --faint: #72809a;
  --inv: #ffffff;
  --accent: #818cf8;
  --accent-2: #a78bfa;
  --accent-soft: rgba(129, 140, 248, 0.14);
  --accent-ring: rgba(129, 140, 248, 0.24);
  --success: #34d399;
  --success-soft: rgba(52, 211, 153, 0.14);
  --blue: #60a5fa;
  --blue-soft: rgba(96, 165, 250, 0.12);
  --danger-bg: rgba(190, 24, 93, 0.14);
  --danger-bdr: rgba(244, 114, 182, 0.2);
  --danger-txt: #f9a8d4;
  --shadow: 0 24px 70px rgba(2, 6, 23, 0.42);
  --shadow-sm: 0 14px 34px rgba(2, 6, 23, 0.28);
  --shadow-card: 0 14px 34px rgba(2, 6, 23, 0.24);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--ff-sans);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.05rem);
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(79, 70, 229, 0.08), transparent 28%),
    radial-gradient(circle at right 15%, rgba(124, 58, 237, 0.08), transparent 24%),
    linear-gradient(180deg, var(--bg-soft), var(--bg) 24%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(rgba(255, 255, 255, 0.02), rgba(255, 255, 255, 0)),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: auto, 32px 32px, 32px 32px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.6), transparent 80%);
  z-index: -1;
}

.page-shell {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 255, 255, 0.32), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.06), transparent 25%);
}

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
  border: 0;
  background: none;
}

h1, h2, h3, h4, h5, p {
  margin-top: 0;
}
h1, h2, h3, h4, h5 {
  margin-bottom: 0;
  letter-spacing: -0.03em;
  line-height: 1.05;
}
a {
  color: inherit;
  text-decoration: none;
}

/* ---- topbar ---- */
.topbar {
  position: sticky;
  top: 0;
  z-index: 60;
  backdrop-filter: blur(18px);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  border-bottom: 1px solid var(--border);
}

.topbar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0.6rem 1.25rem;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}
.topbar-actions {
  justify-self: end;
}
.topbar-mobile-controls {
  justify-self: end;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  text-decoration: none;
  color: inherit;
  justify-self: center;
}
.brand-logo {
  width: 120px;
  height: 120px;
  object-fit: contain;
  flex-shrink: 0;
  display: block;
  margin: -0.25rem 0;
}
.brand h1 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 800;
}
.brand p {
  margin: 0.18rem 0 0;
  font-size: 0.82rem;
  color: var(--muted);
}

.topbar-actions,
.topbar-mobile-controls {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.nav-link,
.theme-btn,
.hamburger-btn,
.user-menu-btn {
  min-height: 42px;
  padding: 0.72rem 0.95rem;
  border-radius: 0.95rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.56);
  color: var(--muted);
  font-weight: 700;
  transition: transform var(--tr), background var(--tr), border-color var(--tr), color var(--tr), box-shadow var(--tr);
}
[data-theme="dark"] .nav-link,
[data-theme="dark"] .theme-btn,
[data-theme="dark"] .hamburger-btn,
[data-theme="dark"] .user-menu-btn {
  background: rgba(255, 255, 255, 0.03);
}
.nav-link:hover,
.theme-btn:hover,
.hamburger-btn:hover,
.user-menu-btn:hover {
  transform: translateY(-1px);
  color: var(--text);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.theme-btn,
.hamburger-btn,
.user-menu-btn {
  width: 44px;
  padding: 0;
  display: grid;
  place-items: center;
  color: var(--text);
}
.mobile-auth-btn {
  padding-inline: 0.9rem;
}
#authTriggerBtn,
#authTriggerMobileBtn {
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 22%, transparent);
  background: var(--accent-soft);
}
#authTriggerBtn:hover,
#authTriggerMobileBtn:hover {
  background: color-mix(in srgb, var(--accent) 16%, transparent);
  border-color: color-mix(in srgb, var(--accent) 34%, transparent);
}

.topbar-mobile-controls {
  display: none;
}
.hamburger-wrap,
.user-menu-wrap {
  position: relative;
}
.mobile-dropdown,
.user-menu {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  z-index: 80;
  min-width: 190px;
  padding: 0.45rem;
  border-radius: 1.1rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.2rem;
}
.user-menu--mobile {
  left: auto;
  right: 0;
}
.mobile-dropdown[hidden],
.user-menu[hidden] {
  display: none !important;
}
.mobile-nav-link,
.user-menu-item {
  width: 100%;
  padding: 0.7rem 0.85rem;
  border-radius: 0.75rem;
  border: 0;
  background: none;
  color: var(--text);
  font-size: 0.88rem;
  font-weight: 700;
  text-align: left;
  transition: background var(--tr), color var(--tr);
}
.mobile-nav-link:hover,
.user-menu-item:hover {
  background: var(--surface-4);
}
.user-menu-item--danger {
  color: var(--danger-txt);
}
.user-menu-item--danger:hover {
  background: var(--danger-bg);
}
.user-menu-divider {
  margin: 0.2rem 0;
  border: 0;
  border-top: 1px solid var(--border);
}

/* ---- hero ---- */
.hero {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 2rem 1.25rem 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
  min-height: 70vh;
  position: relative;
}
.hero-inner,
.hero-photo-card,
.mini-photo,
.card,
.route-cover {
  backdrop-filter: blur(12px);
}
.hero-inner {
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  padding: 2rem;
  border-radius: var(--r-3xl);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.76));
  border: 1px solid rgba(255, 255, 255, 0.72);
  box-shadow: var(--shadow);
}
.hero-visual {
  display: grid;
  gap: 1rem;
}
[data-theme="dark"] .hero-inner {
  background: linear-gradient(180deg, rgba(17, 24, 39, 0.92), rgba(15, 23, 42, 0.84));
  border-color: rgba(255, 255, 255, 0.08);
}

.eyebrow,
.section-kicker,
.photo-kicker,
.status-kicker {
  display: inline-flex;
  width: fit-content;
  padding: 0.42rem 0.82rem;
  border-radius: var(--r-full);
  border: 1px solid transparent;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.section-kicker.light {
  background: rgba(255, 255, 255, 0.12);
  color: #eef2ff;
  border-color: rgba(255, 255, 255, 0.16);
}

.hero h2 {
  font-size: clamp(2.8rem, 2rem + 2.5vw, 4.8rem);
  font-weight: 800;
  max-width: 11ch;
}
.hero-cta-row {
  padding-top: 0.5rem;
}
.hero-cta-btn {
  padding: 0.96rem 1.6rem;
  font-size: 1rem;
}
.hero h2 em {
  font-style: normal;
  color: var(--accent);
}
.hero-sub,
.planner-intro {
  max-width: 58ch;
  color: var(--muted);
  font-size: 1.02rem;
}

.hero-info,
.hero-pills,
.form-actions,
.route-actions,
.quick-row,
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}
.hero-info-item {
  display: flex;
  flex-direction: column;
  gap: 0.18rem;
  padding: 0.75rem 1rem;
  border-radius: 1.1rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  flex: 1 1 160px;
}
[data-theme="dark"] .hero-info-item {
  background: rgba(255, 255, 255, 0.04);
}
.hero-info-item strong {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text);
}
.hero-info-item span {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
}

.hpill,
.chip,
.qbtn {
  padding: 0.58rem 0.9rem;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.82rem;
  font-weight: 700;
  transition: transform var(--tr), background var(--tr), border-color var(--tr), color var(--tr), box-shadow var(--tr);
}
.hpill {
  background: var(--surface-3);
  color: var(--muted);
}
.chip:hover,
.qbtn:hover,
.hpill:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.chip.active,
.qbtn.active,
.step.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 20%, transparent);
}
.chips.compact .chip {
  padding: 0.52rem 0.82rem;
  font-size: 0.8rem;
}

.hero-photo-card {
  min-height: 340px;
  overflow: hidden;
  position: relative;
  border-radius: var(--r-3xl);
  border: 1px solid rgba(255, 255, 255, 0.24);
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.05), rgba(2, 6, 23, 0.72)),
    url("https://images.unsplash.com/photo-1552832230-c0197dd311b5?auto=format&fit=crop&w=1400&q=80") center/cover no-repeat;
  box-shadow: var(--shadow);
}
.hero-photo-overlay {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1.5rem;
  color: white;
  background: linear-gradient(180deg, transparent, rgba(2, 6, 23, 0.82));
}
.hero-photo-overlay h3 {
  margin: 0.35rem 0 0.25rem;
  font-size: 1.75rem;
  font-weight: 800;
}
.hero-photo-overlay p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.visual-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.mini-photo {
  min-height: 156px;
  overflow: hidden;
  position: relative;
  border-radius: 1.4rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  box-shadow: var(--shadow-card);
}
.mini-1 {
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.04), rgba(2, 6, 23, 0.68)),
    url("https://images.unsplash.com/photo-1686199859328-7660f648e70d?q=80&w=687&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D") center/cover no-repeat;
}
.mini-2 {
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.04), rgba(2, 6, 23, 0.68)),
    url("https://images.unsplash.com/photo-1778694152133-0c32fbcb72e8?q=80&w=735&auto=format&fit=crop&ixlib=rb-4.1.0&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D") center/cover no-repeat;
}
.mini-copy {
  position: absolute;
  inset: auto 0 0 0;
  padding: 1rem;
  color: white;
  background: linear-gradient(180deg, transparent, rgba(2, 6, 23, 0.78));
}
.mini-copy span {
  display: block;
  margin-bottom: 0.2rem;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.8;
}
.mini-copy strong {
  font-size: 1rem;
}

/* ---- layout & cards ---- */
.layout {
  max-width: var(--max-w);
  margin: 1.9rem auto 3rem;
  padding: 0 1.25rem;
  display: grid;
  gap: 1.25rem;
}
.stack-left,
.stack-right {
  display: grid;
  gap: 1.25rem;
}
.card {
  overflow: hidden;
  border-radius: var(--r-3xl);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-card);
}
[data-theme="dark"] .card {
  border-color: rgba(255, 255, 255, 0.08);
}
.card-head {
  padding: 1.5rem 1.5rem 0.4rem;
}
.card-head h3 {
  font-size: 1.45rem;
  font-weight: 800;
}
.card-head p {
  margin: 0.45rem 0 0;
  max-width: 52ch;
  color: var(--muted);
  font-size: 0.96rem;
}

.status-card {
  padding: 1.25rem 1.35rem;
  background: linear-gradient(180deg, rgba(79, 70, 229, 0.05), transparent 80%, var(--surface));
}
.status-hero {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.status-hero h3 {
  margin: 0.4rem 0 0;
  font-size: 1.3rem;
  font-weight: 800;
}
.status-dot {
  width: 14px;
  height: 14px;
  border-radius: 999px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--success), #059669);
  box-shadow: 0 0 0 10px var(--success-soft);
}
.status-body {
  padding-top: 0.65rem;
}
.status-body p,
.route-header p,
.stop-body p,
.saved-item p,
.map-header p,
.chat-head p {
  color: var(--muted);
}

/* ---- presets (new) ---- */
.presets-card {
  padding: 1.25rem 1.5rem 1.8rem;
}
.presets-head h3 {
  font-size: 1.35rem;
  font-weight: 800;
  margin-top: 0.25rem;
}
.presets-or {
  color: var(--accent);
  font-weight: 700;
  padding: 0 0.3rem;
}
.presets-desc {
  color: var(--muted);
  font-size: 0.96rem;
  margin-top: 0.25rem;
}
.route-cards-scroll {
  margin: 1rem 0 0.8rem;
  overflow-x: auto;
  padding: 0.5rem 0 0.8rem;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}
.route-cards-scroll::-webkit-scrollbar {
  height: 6px;
}
.route-cards-scroll::-webkit-scrollbar-track {
  background: var(--surface-3);
  border-radius: 999px;
}
.route-cards-scroll::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 999px;
}
.route-cards-track {
  display: flex;
  gap: 1.2rem;
  width: max-content;
  padding: 0 0.2rem;
}
.route-card-preset {
  flex: 0 0 260px;
  border-radius: 1.2rem;
  overflow: hidden;
  background: var(--surface-2);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.route-card-preset:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
}
.route-card-preset img {
  width: 100%;
  height: 150px;
  object-fit: cover;
  display: block;
}
.route-card-preset-body {
  padding: 0.9rem 1rem 0.7rem;
}
.route-card-preset-body h4 {
  font-size: 1rem;
  font-weight: 800;
  margin-bottom: 0.2rem;
}
.route-card-preset-body p {
  font-size: 0.78rem;
  color: var(--muted);
  margin: 0;
  line-height: 1.4;
}
.presets-cta-row {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.8rem;
}
.presets-cta-divider {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--faint);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.presets-custom-btn {
  min-width: 220px;
}
.presets-cta-sub {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0;
}

/* ---- planner steps & form ---- */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.6rem;
  padding: 0.9rem 1.5rem;
}
.step {
  padding: 0.78rem 0.55rem;
  text-align: center;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: var(--surface-3);
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 700;
}
.form-grid,
.route-wrap,
.saved-list {
  display: grid;
  gap: 1rem;
  padding: 1rem 1.5rem 1.5rem;
}
.field {
  display: grid;
  gap: 0.48rem;
}
.field label,
.field-label {
  font-size: 0.88rem;
  font-weight: 800;
  color: var(--text);
}
.field-help {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
}
.row-2 {
  display: grid;
  gap: 1rem;
}
.planner-guidance {
  padding: 0 1.5rem 0.5rem;
}
.planner-progress {
  display: grid;
  gap: 0.5rem;
}
.planner-progress-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 700;
  gap: 1rem;
}

select,
textarea,
input[type="text"],
input[type="email"] {
  width: 100%;
  padding: 0.96rem 1rem;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.86);
  color: var(--text);
  outline: none;
  transition: border-color var(--tr), box-shadow var(--tr), transform var(--tr), background var(--tr);
}
[data-theme="dark"] select,
[data-theme="dark"] textarea,
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"] {
  background: rgba(255, 255, 255, 0.03);
}
select:hover,
textarea:hover,
input[type="text"]:hover,
input[type="email"]:hover {
  border-color: var(--border-strong);
}
select:focus,
textarea:focus,
input[type="text"]:focus,
input[type="email"]:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-ring);
}
textarea {
  min-height: 110px;
  resize: vertical;
}
input[type="range"] {
  width: 100%;
  accent-color: var(--accent);
}
.range-wrap {
  display: grid;
  gap: 0.55rem;
}
.range-pill {
  width: fit-content;
  padding: 0.38rem 0.7rem;
  border-radius: var(--r-full);
  font-size: 0.78rem;
  font-weight: 800;
  color: var(--accent);
  background: var(--accent-soft);
}

.btn-primary,
.btn-ghost {
  min-height: 50px;
  padding: 0.92rem 1.2rem;
  border-radius: 1rem;
  font-size: 0.95rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--tr), box-shadow var(--tr), background var(--tr), border-color var(--tr), color var(--tr);
}
.btn-primary {
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 14px 28px rgba(79, 70, 229, 0.24);
}
.btn-ghost {
  color: var(--text);
  background: rgba(255, 255, 255, 0.64);
  border: 1px solid var(--border);
}
[data-theme="dark"] .btn-ghost {
  background: rgba(255, 255, 255, 0.03);
}
.btn-primary:hover,
.btn-ghost:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-primary:disabled,
.btn-ghost:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

/* ---- route & map ---- */
.route-card {
  overflow: hidden;
}
.route-cover {
  min-height: 250px;
  position: relative;
  display: flex;
  align-items: flex-end;
  background:
    linear-gradient(180deg, rgba(2, 6, 23, 0.1), rgba(2, 6, 23, 0.82)),
    url("https://images.unsplash.com/photo-1543429776-2782fc70e0d5?auto=format&fit=crop&w=1400&q=80") center/cover no-repeat;
  z-index: 1;
}
.route-cover-copy {
  padding: 1.5rem;
  max-width: 42rem;
  color: white;
  position: relative;
  z-index: 2;
}
.route-cover-copy h3 {
  margin: 0.4rem 0 0.3rem;
  font-size: 1.8rem;
  font-weight: 800;
}
.route-cover-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.84);
}

.map-preview {
  display: grid;
  gap: 0.9rem;
  padding-bottom: 0.4rem;
}
.map-header {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: end;
  flex-wrap: wrap;
}
.map-header h4,
.route-header h4,
.chat-head h4 {
  font-size: 1.05rem;
  font-weight: 800;
}

/* ---- Google Maps container (renamed) ---- */
.map-container {
  width: 100%;
  height: 400px;
  border-radius: 1.3rem;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow-card);
  background: var(--surface-3);
  position: relative;
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
#googleMap {
  width: 100%;
  height: 100%;
}

/* fullscreen overlay */
.map-container.is-fullscreen {
  position: fixed !important;
  top: 0 !important;
  left: 0 !important;
  width: 100vw !important;
  height: 100dvh !important;
  z-index: 999999 !important;
  background: #1a1a2e !important;
  border-radius: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
  overflow: hidden !important;
  display: block !important;
}
body.map-fullscreen-active {
  overflow: hidden !important;
  position: fixed !important;
  width: 100% !important;
  height: 100% !important;
}

.map-open-link {
  font-size: 0.86rem;
  font-weight: 700;
  color: var(--blue);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.25rem;
}
.map-open-link::after {
  content: "↗";
  font-size: 0.8rem;
}
.map-open-link:hover {
  text-decoration: underline;
}

/* map control buttons */
.map-controls-overlay {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 1000;
  display: grid;
  gap: 0.5rem;
}
.map-ctrl-btn {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: var(--r-full);
  border: 1px solid var(--border);
  background: var(--surface-2);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
  transition: transform var(--tr), box-shadow var(--tr), background var(--tr), color var(--tr);
}
.map-ctrl-btn svg {
  width: 19px;
  height: 19px;
}
.map-ctrl-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow);
}
.map-ctrl-btn:active {
  transform: translateY(0);
}
.map-ctrl-btn.is-active {
  background: var(--accent);
  color: white;
  border-color: transparent;
}
.map-ctrl-btn.is-loading {
  opacity: 0.55;
  pointer-events: none;
}
.map-ctrl-btn--close {
  display: none;
  background: var(--danger-bg);
  border-color: var(--danger-bdr);
  color: var(--danger-txt);
}
.map-ctrl-btn--close:hover {
  background: color-mix(in srgb, var(--danger-txt) 12%, transparent);
  border-color: var(--danger-bdr);
}
.map-container.is-fullscreen .map-ctrl-btn--close {
  display: grid !important;
}
.map-ctrl-status {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  right: 0.75rem;
  z-index: 1000;
  padding: 0.55rem 0.85rem;
  border-radius: var(--r-md);
  background: var(--surface-2);
  border: 1px solid var(--danger-bdr);
  color: var(--danger-txt);
  font-size: 0.8rem;
  font-weight: 700;
  box-shadow: var(--shadow-sm);
}

/* ---- route sheet & stops ---- */
.route-sheet {
  position: relative;
  display: grid;
  grid-template-rows: auto auto auto auto;
  gap: 1rem;
  padding: 1.25rem 1.25rem 1.5rem;
  border-radius: 1.8rem;
  border: 1px solid var(--border);
  background: var(--surface-2);
  box-shadow: var(--shadow-card);
}
.sheet-handle {
  display: none;
  width: 100%;
  background: transparent;
  border-radius: var(--r-full);
  padding: 0.3rem 0;
  margin-bottom: 0.2rem;
  justify-content: center;
  align-items: center;
}
.sheet-handle-bar {
  width: 40px;
  height: 4px;
  border-radius: 999px;
  background: var(--border);
}
.route-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  flex-wrap: wrap;
}
.stops {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
}
.stop {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--border);
}
.stop:last-child {
  border-bottom: 0;
}
.stop-num {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  flex-shrink: 0;
  border-radius: 14px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 800;
}
.stop-body h5 {
  margin: 0 0 0.25rem;
  font-size: 1.02rem;
}
.stop-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.55rem;
}
.stop-tag {
  padding: 0.35rem 0.65rem;
  border-radius: var(--r-full);
  background: var(--surface-3);
  border: 1px solid var(--border);
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--muted);
}
.route-save-row .btn-primary {
  width: 100%;
}

/* ---- chat ---- */
.chat {
  border-top: 1px solid var(--border);
  padding-top: 0.9rem;
  margin-top: 0.2rem;
  display: grid;
  gap: 0.85rem;
}
.quick-row {
  padding: 0;
}
.messages {
  display: grid;
  gap: 0.8rem;
  max-height: 260px;
  overflow-y: auto;
  padding: 0 0 0.2rem;
}
.msg {
  max-width: 88%;
  padding: 0.95rem 1rem;
  border-radius: 1.2rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
  box-shadow: var(--shadow-sm);
}
[data-theme="dark"] .msg {
  background: rgba(255, 255, 255, 0.03);
}
.msg.user {
  margin-left: auto;
  color: white;
  border-color: transparent;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}
.msg-role {
  display: block;
  margin-bottom: 0.3rem;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.7;
}
.msg-body {
  font-size: 0.95rem;
  line-height: 1.65;
  color: inherit;
  word-break: break-word;
}
.msg-body > *:first-child {
  margin-top: 0;
}
.msg-body > *:last-child {
  margin-bottom: 0;
}
.msg-body p,
.msg-body ul,
.msg-body ol,
.msg-body blockquote,
.msg-body pre,
.msg-body table {
  margin: 0 0 0.8rem;
}
.msg-body ul,
.msg-body ol {
  padding-left: 1.2rem;
}
.msg-body li + li {
  margin-top: 0.3rem;
}
.msg-body a {
  color: var(--blue);
  text-decoration: underline;
  text-underline-offset: 0.14em;
}
.msg-body strong {
  font-weight: 800;
  color: inherit;
}
.msg-body em {
  font-style: italic;
}
.msg-body h1,
.msg-body h2,
.msg-body h3,
.msg-body h4 {
  margin: 0 0 0.55rem;
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: inherit;
}
.msg-body h1 { font-size: 1.2rem; }
.msg-body h2 { font-size: 1.08rem; }
.msg-body h3, .msg-body h4 { font-size: 0.98rem; }
.msg-body code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  font-size: 0.86em;
  padding: 0.14rem 0.38rem;
  border-radius: 0.45rem;
  background: var(--surface-4);
  border: 1px solid var(--border);
}
.msg-body pre {
  overflow-x: auto;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  background: var(--surface-3);
  border: 1px solid var(--border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.06);
}
.msg-body pre code {
  padding: 0;
  border: 0;
  background: transparent;
  font-size: 0.84rem;
  line-height: 1.55;
}
.msg-body blockquote {
  padding: 0.75rem 0.9rem;
  border-left: 3px solid var(--accent);
  border-radius: 0.8rem;
  background: var(--accent-soft);
  color: var(--muted);
}
.msg-body hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 0.9rem 0;
}
.msg-body table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.msg-body th,
.msg-body td {
  padding: 0.6rem 0.7rem;
  text-align: left;
  border: 1px solid var(--border);
}
.msg-body th {
  background: var(--surface-3);
  font-weight: 800;
}
.msg.assistant .msg-body {
  color: var(--text);
}
.msg.user .msg-body {
  color: white;
}
.msg.user .msg-body a {
  color: white;
}
.msg.user .msg-body code {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.16);
}
.msg.user .msg-body pre {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.14);
}
@media (max-width: 767px) {
  .msg-body {
    font-size: 0.92rem;
  }
  .msg-body pre {
    padding: 0.8rem 0.85rem;
  }
}
.compose {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.6rem;
}
.compose textarea {
  min-height: 52px;
  max-height: 140px;
}

/* ---- saved routes ---- */
.saved-item {
  padding: 1rem 1.1rem;
  text-align: left;
  border-radius: 1rem;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.6);
  transition: transform var(--tr), box-shadow var(--tr), border-color var(--tr), background var(--tr);
  width: 100%;
}
[data-theme="dark"] .saved-item {
  background: rgba(255, 255, 255, 0.03);
}
.saved-item:hover:not(.empty) {
  transform: translateY(-1px);
  border-color: var(--border-strong);
  box-shadow: var(--shadow-sm);
}
.saved-item.empty {
  cursor: default;
}

/* ---- auth modal ---- */
.auth-error {
  margin: 0;
  padding: 0.75rem 1rem;
  border-radius: 0.85rem;
  background: var(--danger-bg);
  border: 1px solid var(--danger-bdr);
  color: var(--danger-txt);
  font-size: 0.88rem;
  font-weight: 600;
}
.auth-modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: end center;
}
.auth-modal[hidden] {
  display: none;
}
.auth-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.48);
  backdrop-filter: blur(4px);
  cursor: pointer;
}
.auth-sheet {
  position: relative;
  z-index: 101;
  width: min(480px, 100%);
  padding: 2rem;
  border-radius: var(--r-3xl) var(--r-3xl) 0 0;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-bottom: 0;
  box-shadow: var(--shadow);
  animation: sheet-up 260ms cubic-bezier(0.16, 1, 0.3, 1) both;
}
@keyframes sheet-up {
  from { transform: translateY(100%); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
.auth-sheet-head {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 1.5rem;
}
.auth-sheet-head h3 {
  font-size: 1.45rem;
  font-weight: 800;
  margin: 0.4rem 0 0;
}
.auth-sheet-head p {
  margin: 0;
  color: var(--muted);
  font-size: 0.96rem;
}
.auth-form {
  display: grid;
  gap: 1rem;
}
.auth-actions {
  display: grid;
  gap: 0.65rem;
}
.auth-actions .btn-primary {
  width: 100%;
}
.auth-secondary {
  width: 100%;
  min-height: 44px;
  padding: 0.72rem 1rem;
  border-radius: 1rem;
  border: 0;
  background: none;
  color: var(--muted);
  font-size: 0.9rem;
  font-weight: 700;
  transition: color var(--tr), background var(--tr);
}
.auth-secondary:hover {
  color: var(--text);
  background: var(--surface-4);
}
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  width: 100%;
  min-height: 44px;
  padding: 0.72rem 1.25rem;
  border-radius: 1rem;
  border: 1.5px solid var(--border);
  background: var(--surface-2);
  color: var(--text);
  font-size: 0.95rem;
  font-weight: 600;
  transition: background var(--tr), box-shadow var(--tr), border-color var(--tr);
}
.btn-google:hover {
  background: var(--surface-3);
  border-color: var(--accent);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}
.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--muted);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}
body.auth-open {
  overflow: hidden;
}

/* ---- footer ---- */
.site-footer {
  position: relative;
  padding: 2.5rem 1.25rem 2rem;
  font-size: var(--r-sm);
  color: var(--faint);
  background: var(--bg);
  border-top: 1px solid transparent;
}
.site-footer::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent));
}
.site-footer-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  text-align: center;
}
.footer-heart {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}
.footer-copy {
  font-size: 0.75rem;
  color: var(--faint);
  margin: 0;
}

/* ---- responsive ---- */
@media (min-width: 768px) {
  .row-2 {
    grid-template-columns: 1fr 1fr;
  }
}
@media (min-width: 1024px) {
  .hero {
    grid-template-columns: 1fr 1fr;
    padding-top: 3rem;
    gap: 3rem;
    min-height: 70vh;
  }
  .layout {
    grid-template-columns: 1fr 1fr;
  }
  .status-card {
    padding: 0.9rem 1.1rem;
    border-radius: 1.6rem;
    box-shadow: var(--shadow-sm);
  }
  .status-hero h3 {
    font-size: 1.18rem;
  }
  .status-body p {
    font-size: 0.9rem;
  }
  .row-2 {
    grid-template-columns: 0.9fr 0.9fr;
  }
}

@media (max-width: 767px) {
  .topbar-actions {
    display: none;
  }
  .topbar-mobile-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  .hamburger-btn {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 0.95rem;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.56);
    transition: transform var(--tr), background var(--tr), border-color var(--tr), box-shadow var(--tr);
  }
  [data-theme="dark"] .hamburger-btn {
    background: rgba(255, 255, 255, 0.03);
  }
  .hamburger-btn:hover {
    transform: translateY(-1px);
    border-color: var(--border-strong);
    box-shadow: var(--shadow-sm);
  }
  #mobile-menu {
    position: fixed;
    top: 76px;
    right: 1rem;
    left: 1rem;
    z-index: 90;
  }
  .hero {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    min-height: auto;
    padding: 1.5rem 1rem 0;
  }
  .hero-inner {
    width: 100%;
    padding: 1.5rem;
    order: 1;
  }
  .hero-inner h2 {
    text-align: left;
    margin-left: 0;
  }
  .hero-inner .hero-sub {
    text-align: left;
    margin-left: 0;
  }
  .hero-inner .hero-info {
    justify-content: flex-start;
  }
  .hero-inner .hero-info-item {
    flex: 1 1 100%;
  }
  .hero-inner .hero-pills {
    justify-content: flex-start;
  }
  .hero-visual {
    width: 100%;
    order: 2;
    gap: 0.75rem;
  }
  .hero-photo-card {
    min-height: 200px;
    border-radius: 1.2rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    border: 1px solid var(--border);
  }
  .hero-photo-overlay {
    padding: 1rem;
  }
  .hero-photo-overlay h3 {
    font-size: 1.2rem;
    margin: 0.2rem 0 0.15rem;
  }
  .hero-photo-overlay p {
    font-size: 0.85rem;
  }
  .visual-grid {
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
  .mini-photo {
    min-height: 100px;
    border-radius: 1rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--border);
  }
  .mini-copy {
    padding: 0.75rem;
  }
  .mini-copy span {
    font-size: 0.65rem;
  }
  .mini-copy strong {
    font-size: 0.85rem;
  }
  .hero-cta-row {
    padding-top: 0.25rem;
    width: 100%;
  }
  .hero-cta-btn {
    width: 100%;
    justify-content: center;
  }
  .steps {
    grid-template-columns: repeat(2, 1fr);
  }
  .auth-sheet {
    width: 100%;
    padding: 1.5rem 1.25rem;
    border-radius: var(--r-2xl) var(--r-2xl) 0 0;
  }
  .route-wrap {
    padding: 1rem;
  }
  .map-container:not(.is-fullscreen) {
    height: 40vh;
  }
  .route-sheet {
    position: static;
    max-height: none;
    transform: none;
    border-radius: var(--r-3xl);
    border-left: 1px solid var(--border);
    border-right: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-card);
    margin-top: 1rem;
  }
  .sheet-handle {
    display: none;
  }
  .route-sheet.sheet-collapsed,
  .route-sheet.sheet-expanded {
    transform: none;
  }
  .messages {
    max-height: 180px;
  }
  .compose {
    grid-template-columns: 1fr;
  }
  .map-header,
  .route-header {
    flex-direction: column;
    align-items: stretch;
  }
  .map-container.is-fullscreen {
    height: 100dvh !important;
  }
  .presets-card {
    padding: 1rem 1rem 1.5rem;
  }
  .route-card-preset {
    flex: 0 0 200px;
  }
  .route-card-preset img {
    height: 110px;
  }
  .presets-custom-btn {
    width: 100%;
    min-width: auto;
  }
}

@media (max-width: 767px) {
  .map-container.is-fullscreen {
    position: fixed !important;
    top: 0 !important;
    left: 0 !important;
    right: 0 !important;
    bottom: 0 !important;
    width: 100vw !important;
    height: 100dvh !important;
    z-index: 99999 !important;
    border-radius: 0 !important;
  }
  .map-container.is-fullscreen #googleMap {
    width: 100% !important;
    height: 100% !important;
  }
  .map-container.is-fullscreen .map-ctrl-btn--close {
    top: 15px !important;
    right: 15px !important;
    width: 44px !important;
    height: 44px !important;
  }
}