:root {
  color-scheme: light;
  --bg: #fbf8fa;
  --surface: #ffffff;
  --surface-2: #f7f1f4;
  --surface-3: #fff7fb;
  --text: #201a1d;
  --muted: #746871;
  --border: #eadfe5;
  --border-strong: #d8c5cf;
  --accent: #c2185b;
  --accent-hover: #a80f4b;
  --accent-soft: #fce8f1;
  --accent-soft-strong: #f8d6e5;
  --accent-rgb: 194 24 91;
  --shadow-rgb: 73 29 50;
  --danger: #b42318;
  --danger-soft: #fee4e2;
  --success: #027a48;
  --warning: #8a4b08;
  --warning-soft: #fff3d6;
  --shadow: 0 10px 32px rgb(var(--shadow-rgb) / .07);
  --shadow-strong: 0 18px 48px rgb(var(--shadow-rgb) / .12);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

:root[data-theme="light"][data-theme-accent="blue"] {
  --bg: #f7f9fc;
  --surface-2: #f0f4f9;
  --surface-3: #f7faff;
  --text: #18212b;
  --muted: #657287;
  --border: #dce4ee;
  --border-strong: #c5d1df;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --accent-soft: #eaf1ff;
  --accent-soft-strong: #dce8ff;
  --accent-rgb: 37 99 235;
  --shadow-rgb: 38 64 103;
}

:root[data-theme="light"][data-theme-accent="green"] {
  --bg: #f7faf8;
  --surface-2: #eff6f2;
  --surface-3: #f5fbf8;
  --text: #17231e;
  --muted: #617268;
  --border: #dce9e3;
  --border-strong: #c4d8ce;
  --accent: #147a59;
  --accent-hover: #0f654a;
  --accent-soft: #e7f5ef;
  --accent-soft-strong: #d6ede3;
  --accent-rgb: 20 122 89;
  --shadow-rgb: 35 77 61;
}

:root[data-theme="light"][data-theme-accent="gray"] {
  --bg: #f8f9fa;
  --surface-2: #f1f3f5;
  --surface-3: #f7f8fa;
  --text: #1f252d;
  --muted: #68717e;
  --border: #e0e4e9;
  --border-strong: #cbd1d8;
  --accent: #556170;
  --accent-hover: #414b58;
  --accent-soft: #eceff2;
  --accent-soft-strong: #e0e4e8;
  --accent-rgb: 85 97 112;
  --shadow-rgb: 49 57 68;
}

* { box-sizing: border-box; }
html { accent-color: var(--accent); }
body { margin: 0; background: var(--bg); color: var(--text); }
a { color: inherit; }

.site-header {
  position: sticky; top: 0; z-index: 20; min-height: 66px;
  display: flex; align-items: center; gap: 24px;
  padding: 10px max(18px, calc((100vw - 1180px) / 2));
  background: color-mix(in srgb, var(--surface) 94%, transparent); border-bottom: 1px solid color-mix(in srgb, var(--border) 82%, transparent);
  backdrop-filter: blur(14px);
}
.brand { display: inline-flex; align-items: center; gap: 9px; font-weight: 850; letter-spacing: -.02em; text-decoration: none; white-space: nowrap; }
.brand-icon { display: block; width: 34px; height: 34px; object-fit: contain; }
.site-header nav { display: flex; align-items: center; gap: 3px; flex: 1; min-width: 0; }
.site-header nav > a { padding: 8px 10px; border-radius: 9px; color: var(--muted); text-decoration: none; font-weight: 650; }
.site-header nav > a.active { color: var(--accent); background: var(--accent-soft); }
.site-header nav > a:hover { color: var(--text); background: var(--surface-2); }
.site-header nav > a.active:hover { color: var(--accent); background: var(--accent-soft-strong); }
.menu-toggle, .mobile-nav-action, .mobile-account { display: none; }
.header-account { position: relative; display: flex; align-items: center; margin-left: auto; }

.account-menu { position: relative; }
.account-menu summary {
  list-style: none; display: flex; align-items: center; gap: 8px; min-height: 40px;
  padding: 8px 11px 8px 13px; border: 1px solid transparent; border-radius: 11px;
  color: var(--text); font-weight: 700; cursor: pointer; user-select: none;
}
.account-menu summary::-webkit-details-marker { display: none; }
.account-menu summary:hover, .account-menu[open] summary { background: var(--surface-2); border-color: var(--border); }
.account-menu-chevron { color: var(--muted); font-size: .95rem; line-height: 1; transition: transform .16s ease; }
.account-menu[open] .account-menu-chevron { transform: rotate(180deg); }
.account-popover {
  position: absolute; top: calc(100% + 9px); right: 0; z-index: 30;
  width: min(310px, calc(100vw - 24px)); padding: 8px;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow-strong);
}
.account-identity, .mobile-account-identity { display: grid; gap: 3px; padding: 10px 11px 11px; }
.account-identity strong, .mobile-account-identity strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-identity span, .mobile-account-identity span { color: var(--muted); font-size: .76rem; }
.account-roster-switch { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: end; padding: 10px 11px; border-top: 1px solid var(--border); }
.account-roster-switch label { gap: 4px; color: var(--muted); font-size: .72rem; }
.account-roster-switch select { padding-block: 8px; font-size: .82rem; }
.account-links { display: grid; padding-top: 6px; margin-top: 4px; border-top: 1px solid var(--border); }
.account-links a, .account-links button {
  width: 100%; display: flex; align-items: center; min-height: 38px; padding: 9px 11px;
  border: 0; border-radius: 8px; background: transparent; color: var(--text);
  text-align: left; text-decoration: none; font: inherit; font-weight: 600; cursor: pointer;
}
.account-links .account-primary-link { color: var(--accent); }
.account-links a:hover, .account-links button:hover { background: var(--surface-2); }
.account-links form { margin: 0; }

.page { width: min(1180px, calc(100% - 28px)); margin: 26px auto 56px; }
.site-footer { color: var(--muted); text-align: center; font-size: .82rem; padding: 0 16px 30px; }
.toolbar, .day-head { display: flex; align-items: center; justify-content: space-between; gap: 18px; margin-bottom: 18px; }
h1 { margin: 2px 0 0; font-size: clamp(1.7rem, 4vw, 2.5rem); letter-spacing: -.035em; }
h2 { margin: 8px 0 14px; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .72rem; font-weight: 800; color: var(--accent); }
.icon-button { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid var(--border); background: var(--surface); border-radius: 50%; text-decoration: none; font-size: 1.25rem; box-shadow: var(--shadow); }
.icon-button:hover { border-color: var(--border-strong); background: var(--surface-3); }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 6px; min-height: 40px; padding: 9px 14px; border-radius: 10px; border: 1px solid transparent; font: inherit; font-weight: 750; text-decoration: none; cursor: pointer; }
.button.primary { background: var(--accent); color: white; box-shadow: 0 5px 14px rgb(var(--accent-rgb) / .14); }
.button.primary:hover { background: var(--accent-hover); }
.button.secondary { background: var(--surface); border-color: var(--border); }
.button.secondary:hover { border-color: var(--border-strong); background: var(--surface-2); }
.button.danger { color: var(--danger); background: var(--danger-soft); }
.button.compact { min-height: 36px; padding: 7px 11px; }
.button:disabled, input[type="submit"]:disabled { opacity: .62; cursor: wait; }

.weekday-row, .calendar-grid { display: grid; grid-template-columns: repeat(7, 1fr); gap: 8px; }
.weekday-row { color: var(--muted); font-size: .75rem; font-weight: 800; text-align: center; margin-bottom: 7px; }
.calendar-cell { min-height: 136px; padding: 10px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; text-decoration: none; box-shadow: 0 1px 1px rgb(var(--shadow-rgb) / .02); overflow: hidden; transition: border-color .14s ease, box-shadow .14s ease, transform .14s ease; }
.calendar-cell:hover { border-color: var(--border-strong); box-shadow: var(--shadow); transform: translateY(-1px); }
.calendar-cell.empty { background: transparent; border-color: transparent; box-shadow: none; }
.day-number { font-weight: 800; margin-bottom: 8px; }
.day-items { display: grid; gap: 5px; }
.pill { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 5px 7px; border-radius: 7px; background: var(--surface-2); font-size: .77rem; }
.pill.flight { background: var(--accent-soft); }
.calendar-flight-time { font-weight: 800; font-variant-numeric: tabular-nums; }
.pill.off { color: var(--muted); }
.pill.stay { background: var(--warning-soft); }
.pill.reserve, .pill.standby { background: #efe8ff; }
.more { font-size: .76rem; color: var(--muted); padding-left: 5px; }
.cards { display: grid; gap: 10px; }
.date-heading { margin-top: 14px; font-weight: 800; color: var(--muted); text-decoration: none; }
.row-card, .detail-card, .overnight-card, .info-card { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
.row-card { display: flex; align-items: center; gap: 14px; padding: 13px 15px; }
.activity-icon { width: 34px; height: 34px; display: grid; place-items: center; border-radius: 9px; background: var(--surface-2); }
.row-main { display: grid; gap: 2px; flex: 1; min-width: 0; }
.muted, small { color: var(--muted); }
.text-link, .trip-link { color: var(--accent); font-weight: 700; text-decoration: none; }
.text-link:hover, .trip-link:hover { text-decoration: underline; }
.day-cards { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.detail-card { padding: 18px; }
.detail-topline { display: flex; justify-content: space-between; color: var(--muted); font-size: .78rem; }
.route { display: flex; align-items: center; justify-content: space-between; gap: 12px; font-size: 1.35rem; font-weight: 800; margin: 8px 0 18px; }
.compact-route { justify-content: flex-start; }
.flight-meta { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin-bottom: 16px; }
.flight-meta > div { display: grid; gap: 4px; padding: 10px; background: var(--surface-2); border-radius: 9px; }
.flight-meta span { color: var(--muted); font-size: .74rem; }
.card-actions { display: flex; gap: 8px; margin-top: 18px; }
.overnight-card { margin-top: 20px; padding: 20px; }
.inline-links { display: flex; gap: 14px; margin: 10px 0; }
.form-shell { width: min(620px, 100%); margin: 30px auto; }
.form-shell.wide { width: min(840px, 100%); }
.lead { color: var(--muted); line-height: 1.6; }
.stack-form { display: grid; gap: 15px; margin-top: 22px; }
label { display: grid; gap: 6px; font-weight: 700; }
input, select, textarea { width: 100%; border: 1px solid var(--border); border-radius: 10px; background: var(--surface); color: var(--text); padding: 11px 12px; font: inherit; }
input:hover, select:hover, textarea:hover { border-color: var(--border-strong); }
input:focus, select:focus, textarea:focus { outline: 3px solid rgb(var(--accent-rgb) / .13); border-color: var(--accent); }
.airport-code-input { text-transform: uppercase; }
.form-actions { display: flex; gap: 8px; margin-top: 4px; }
.upload-box { margin: 22px 0; padding: 22px; display: flex; gap: 12px; align-items: center; background: var(--surface); border: 1px dashed var(--border-strong); border-radius: 14px; }
.upload-box input { border: 0; padding: 0; }
.summary-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; margin: 20px 0; }
.summary-grid > div { display: grid; gap: 2px; padding: 14px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; }
.summary-grid strong { font-size: 1.55rem; }
.summary-grid span { color: var(--muted); font-size: .77rem; }
.info-card { padding: 18px; margin-top: 24px; line-height: 1.55; }
.info-card code { background: var(--surface-2); padding: 2px 5px; border-radius: 5px; }
.hotel-form { display: grid; grid-template-columns: 1fr 2fr; gap: 12px; margin: 22px 0 26px; }
.span-2 { grid-column: 1 / -1; }
.hotel-list { margin-top: 20px; }
.empty-state { padding: 30px; text-align: center; color: var(--muted); background: var(--surface); border: 1px dashed var(--border); border-radius: 14px; }
.notice { padding: 11px 14px; border-radius: 10px; margin: 12px 0; }
.notice.success { color: var(--success); background: #ecfdf3; }
.notice.error { color: var(--danger); background: var(--danger-soft); }
.notice.subtle { color: var(--muted); background: var(--surface); border: 1px solid var(--border); }

.toolbar-title { flex: 1; text-align: center; }
.toolbar-actions { display: flex; align-items: center; gap: 8px; }
.toolbar-actions form { margin: 0; }
.flight-list-title, .flight-heading { display: flex; align-items: center; gap: 9px; }
.flight-heading { justify-content: space-between; }
.flight-heading h2 { margin-right: auto; }
.status-badge { display: inline-flex; align-items: center; min-height: 22px; padding: 3px 8px; border-radius: 999px; font-size: .72rem; font-weight: 800; white-space: nowrap; background: var(--surface-2); color: var(--muted); }
.status-badge.warning { background: var(--warning-soft); color: var(--warning); }
.status-badge.danger { background: var(--danger-soft); color: var(--danger); }
.status-badge.active { background: #ecfdf3; color: var(--success); }
.time-inline { color: var(--text); }
.live-times { color: var(--warning); font-size: .78rem; font-weight: 700; }
.data-source { margin: -4px 0 12px; color: var(--muted); font-size: .72rem; }

.date-heading-row { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-top: 14px; }
.date-heading-row .date-heading { margin-top: 0; }
.trip-link { font-size: .78rem; font-weight: 800; }
.hotel-row { display: flex; align-items: center; gap: 14px; padding: 13px 15px; background: #fffaf0; border: 1px solid #f0ddb5; border-radius: 14px; }
.trip-banner { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 15px; margin: -4px 0 18px; background: var(--accent-soft); border: 1px solid var(--accent-soft-strong); border-radius: 12px; }
.trip-timeline { display: grid; gap: 0; }
.trip-day { display: grid; grid-template-columns: 42px 1fr; gap: 12px; position: relative; }
.trip-day:not(:last-child)::before { content: ''; position: absolute; left: 20px; top: 36px; bottom: -8px; width: 2px; background: var(--border); }
.trip-day-marker { position: relative; z-index: 1; }
.trip-day-marker span { width: 40px; height: 40px; display: grid; place-items: center; border-radius: 50%; background: var(--accent); color: white; font-weight: 800; box-shadow: 0 5px 14px rgb(var(--accent-rgb) / .14); }
.trip-day-content { display: grid; gap: 9px; padding-bottom: 26px; min-width: 0; }
.trip-day-content .date-heading-row { margin-top: 7px; }
.trip-hotel { margin-top: 2px; }
.stay-row { border-style: dashed; }

.upcoming-title { text-align: left; }
.upcoming-title .range-note { margin: 5px 0 0; font-size: .8rem; }
.upcoming-actions { margin-left: auto; }
.date-jump { display: flex; align-items: end; gap: 7px; }
.date-jump label { gap: 3px; color: var(--muted); font-size: .7rem; }
.date-jump input { min-height: 36px; padding: 6px 9px; }

/* Authentication */
.auth-page { width: 100%; min-height: 100vh; margin: 0; display: grid; place-items: center; padding: 34px 14px; background:
  radial-gradient(circle at 50% 8%, rgba(244, 71, 146, .10), transparent 34%),
  linear-gradient(180deg, #fffafb 0%, var(--bg) 52%); }
.auth-shell { width: min(440px, 100%); margin: 0 auto; }
.auth-brandmark { display: flex; justify-content: center; margin-bottom: 6px; }
.auth-brandmark img { width: 178px; height: 178px; object-fit: contain; filter: drop-shadow(0 16px 28px rgba(93, 25, 59, .14)); }
.auth-heading { text-align: center; }
.auth-heading h1 { font-size: clamp(1.85rem, 8vw, 2.35rem); }
.auth-heading .lead { margin: 8px 0 0; }
.auth-card { margin-top: 24px; padding: 23px; background: rgba(255,255,255,.76); border: 1px solid color-mix(in srgb, var(--border) 78%, transparent); border-radius: 20px; box-shadow: 0 20px 54px rgb(var(--shadow-rgb) / .12); backdrop-filter: blur(18px) saturate(118%); }
.auth-card input { background: rgba(255,255,255,.88); }
.auth-card .button.primary { margin-top: 2px; min-height: 44px; }
.auth-shell > .notice { margin: 18px 0 -8px; }

/* Settings */
.settings-shell { width: min(760px, 100%); margin: 30px auto; }
.settings-shell > .lead { max-width: 660px; margin-bottom: 24px; }
.settings-card { margin-top: 18px; padding: 22px; background: var(--surface); border: 1px solid var(--border); border-radius: 18px; box-shadow: var(--shadow); }
.settings-card + .settings-card { margin-top: 20px; }
.settings-card-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.settings-card-heading h2 { margin: 0 0 5px; font-size: 1.22rem; }
.settings-card-heading .eyebrow { margin-bottom: 6px; }
.settings-card-heading .muted { margin: 0; line-height: 1.5; }
.settings-actions { display: flex; justify-content: flex-end; margin-top: 2px; }
.theme-picker { display: grid; gap: 10px; margin: 2px 0 0; padding: 0; border: 0; }
.theme-picker legend { grid-column: 1 / -1; margin-bottom: 1px; color: var(--text); font-size: .78rem; font-weight: 800; letter-spacing: .01em; }
.theme-picker-colors { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.theme-picker-modes { grid-template-columns: repeat(3, minmax(0, 1fr)); margin-top: 8px; }
.theme-color-option, .theme-option { position: relative; display: grid; gap: 9px; padding: 11px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface-2); cursor: pointer; transition: border-color .14s ease, background .14s ease, transform .14s ease; }
.theme-color-option:hover, .theme-option:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.theme-color-option:has(input:checked), .theme-option:has(input:checked) { border-color: var(--accent); background: var(--accent-soft); box-shadow: 0 0 0 2px rgb(var(--accent-rgb) / .08); }
.theme-color-option input, .theme-option input { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; }
.theme-color-option:focus-within, .theme-option:focus-within { outline: 3px solid rgb(var(--accent-rgb) / .13); outline-offset: 2px; }
.theme-color-option > span:last-child { font-size: .88rem; }
.theme-color-swatch { display: flex; align-items: end; gap: 5px; height: 52px; padding: 10px; border-radius: 9px; background: var(--swatch-bg); border: 1px solid var(--swatch-border); }
.theme-color-swatch i { display: block; height: 7px; border-radius: 999px; background: var(--swatch-accent); }
.theme-color-swatch i:nth-child(1) { width: 48%; }
.theme-color-swatch i:nth-child(2) { width: 26%; opacity: .65; }
.theme-color-swatch i:nth-child(3) { width: 14%; opacity: .35; }
.theme-color-option-pink { --swatch-bg: #fff7fb; --swatch-border: #eadfe5; --swatch-accent: #c2185b; }
.theme-color-option-blue { --swatch-bg: #f7faff; --swatch-border: #dce4ee; --swatch-accent: #2563eb; }
.theme-color-option-green { --swatch-bg: #f5fbf8; --swatch-border: #dce9e3; --swatch-accent: #147a59; }
.theme-color-option-gray { --swatch-bg: #f7f8fa; --swatch-border: #e0e4e9; --swatch-accent: #556170; }
.theme-option-preview { position: relative; display: block; height: 58px; overflow: hidden; border: 1px solid var(--border); border-radius: 9px; background: #fbf8fa; }
.theme-option-preview::before { content: ''; position: absolute; inset: 8px; border-radius: 6px; background: #ffffff; box-shadow: 0 3px 10px rgb(var(--shadow-rgb) / .08); }
.theme-option-preview i { position: absolute; z-index: 1; display: block; border-radius: 999px; background: var(--accent); }
.theme-option-preview i:first-child { left: 14px; right: 14px; bottom: 15px; height: 5px; }
.theme-option-preview i:last-child { left: 14px; top: 15px; width: 34%; height: 5px; opacity: .45; }
.theme-option-preview-dark { background: #151719; border-color: #343a42; }
.theme-option-preview-dark::before { background: #1d2126; box-shadow: none; }
.theme-option-preview-dark i { filter: brightness(1.22) saturate(.92); }
.theme-option-preview-system { background: linear-gradient(90deg, #f8f9fb 0 50%, #151719 50% 100%); }
.theme-option-preview-system::before { background: linear-gradient(90deg, #fff 0 50%, #1d2126 50% 100%); }
.theme-option-copy { display: grid; gap: 2px; }
.theme-option-copy strong { font-size: .9rem; }
.theme-option-copy small { color: var(--muted); font-size: .7rem; font-weight: 600; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

/* Support mode intentionally stays visually distinct from normal branding. */
.support-banner { display: flex; align-items: center; justify-content: space-between; gap: 14px; padding: 11px max(18px, calc((100vw - 1180px) / 2)); background: #7a3b00; color: #fff8eb; border-bottom: 2px solid #4f2600; box-shadow: 0 3px 12px rgba(79,38,0,.18); }
.support-banner-copy { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.support-banner-copy > strong { letter-spacing: .01em; }
.support-banner-copy span { color: #ffe7bd; font-size: .88rem; }
.support-banner form { margin: 0; }
.button.support-stop { background: #fff8eb; color: #5c2a00; border-color: #ffe0aa; }
.button.support-stop:hover { background: #fff0d6; }

/* Administration and membership */
.management-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 28px; }
.management-grid .info-card { margin-top: 0; }
.management-list { margin-bottom: 32px; }
.member-row { flex-wrap: wrap; }
.inline-form { display: flex; align-items: center; gap: 6px; }
.inline-form select { width: auto; min-width: 110px; padding-block: 7px; }
.admin-user-card { display: grid; grid-template-columns: minmax(220px, 1fr) minmax(320px, 1.5fr); gap: 14px; padding: 14px 16px; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow); }
.admin-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }
.impersonate-form { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(120px, 1fr) auto; align-items: center; gap: 6px; flex: 1 1 430px; }
.impersonate-form input { padding-block: 8px; }
.invite-result { display: grid; gap: 8px; }
.invite-result input { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; }
.audit-table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: 14px; }
.audit-table { width: 100%; border-collapse: collapse; font-size: .78rem; }
.audit-table th, .audit-table td { padding: 9px 10px; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
.audit-table th { color: var(--muted); font-size: .7rem; text-transform: uppercase; letter-spacing: .06em; }


:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #151115;
  --surface: #1d181c;
  --surface-2: #282126;
  --surface-3: #30242b;
  --text: #f7f1f4;
  --muted: #b6a8b0;
  --border: #3a3036;
  --border-strong: #57454f;
  --accent: #ff6eae;
  --accent-hover: #ff8cbe;
  --accent-soft: #422033;
  --accent-soft-strong: #552641;
  --accent-rgb: 255 110 174;
  --shadow-rgb: 0 0 0;
  --shadow: none;
  --shadow-strong: 0 18px 48px rgb(0 0 0 / .26);
}

:root[data-theme="dark"][data-theme-accent="blue"] {
  --bg: #11151b;
  --surface: #181e27;
  --surface-2: #212a36;
  --surface-3: #263242;
  --text: #f3f6fb;
  --muted: #aeb9c8;
  --border: #303b49;
  --border-strong: #46566a;
  --accent: #7aa2ff;
  --accent-hover: #98b7ff;
  --accent-soft: #1d2a44;
  --accent-soft-strong: #25375a;
  --accent-rgb: 122 162 255;
}

:root[data-theme="dark"][data-theme-accent="green"] {
  --bg: #101613;
  --surface: #171e1a;
  --surface-2: #202a24;
  --surface-3: #26342c;
  --text: #f1f7f4;
  --muted: #a9bbb1;
  --border: #2e3e35;
  --border-strong: #435a4d;
  --accent: #62c9a0;
  --accent-hover: #80d8b5;
  --accent-soft: #18382c;
  --accent-soft-strong: #204939;
  --accent-rgb: 98 201 160;
}

:root[data-theme="dark"][data-theme-accent="gray"] {
  --bg: #121417;
  --surface: #1a1d22;
  --surface-2: #23272d;
  --surface-3: #2b3038;
  --text: #f3f5f7;
  --muted: #afb6c0;
  --border: #343a42;
  --border-strong: #4c5561;
  --accent: #a8b0bc;
  --accent-hover: #c0c6cf;
  --accent-soft: #303640;
  --accent-soft-strong: #3b424d;
  --accent-rgb: 168 176 188;
}

:root[data-theme="dark"] .site-header { background: color-mix(in srgb, var(--surface) 94%, transparent); border-bottom-color: var(--border); }
:root[data-theme="dark"] .button.primary { color: #101318; box-shadow: none; }
:root[data-theme="dark"] .pill.stay { background: #493913; }
:root[data-theme="dark"] .pill.reserve,
:root[data-theme="dark"] .pill.standby { background: #33254b; }
:root[data-theme="dark"] .notice.success { background: #0d3527; }
:root[data-theme="dark"] .status-badge.warning { background: #493913; color: #ffd38a; }
:root[data-theme="dark"] .status-badge.active { background: #0d3527; color: #7ae2b8; }
:root[data-theme="dark"] .live-times { color: #ffd38a; }
:root[data-theme="dark"] .hotel-row { background: #2b2518; border-color: #574a2b; }
:root[data-theme="dark"] .auth-page { background: radial-gradient(circle at 50% 8%, rgb(var(--accent-rgb) / .10), transparent 32%), var(--bg); }
:root[data-theme="dark"] .auth-card { background: color-mix(in srgb, var(--surface) 76%, transparent); border-color: color-mix(in srgb, var(--border-strong) 82%, transparent); }
:root[data-theme="dark"] .auth-card input { background: color-mix(in srgb, var(--surface) 88%, transparent); }
:root[data-theme="dark"] .support-banner { background: #6b3400; color: #fff8eb; border-color: #a95c13; }


@media (max-width: 980px) {
  .site-header { gap: 14px; }
  .site-header nav > a { padding-inline: 8px; font-size: .9rem; }
}

@media (max-width: 760px) {
  .site-header { gap: 8px; padding: 8px 11px; overflow: visible; }
  .brand { flex: 1; }
  .brand-icon { width: 32px; height: 32px; }
  .header-account { display: none; }
  .menu-toggle {
    width: 40px; height: 40px; display: grid; place-items: center; flex: 0 0 auto;
    border: 1px solid var(--border); border-radius: 10px; background: var(--surface);
    color: var(--text); font: inherit; font-size: 1.25rem; cursor: pointer;
  }
  .site-header nav {
    display: none; position: absolute; top: calc(100% + 6px); left: 9px; right: 9px; z-index: 40;
    max-height: calc(100vh - 88px); overflow-y: auto;
    flex-direction: column; align-items: stretch; gap: 3px; padding: 8px;
    background: var(--surface); border: 1px solid var(--border); border-radius: 14px; box-shadow: var(--shadow-strong);
  }
  .site-header nav.open { display: flex; }
  .site-header nav > a { padding: 11px 12px; font-size: 1rem; }
  .site-header nav .mobile-nav-action { display: flex; justify-content: center; margin-top: 4px; background: var(--accent); color: white; }
  .mobile-account { display: grid; gap: 3px; margin-top: 5px; padding-top: 6px; border-top: 1px solid var(--border); }
  .mobile-account > a { padding: 11px 12px; border-radius: 8px; color: var(--muted); text-decoration: none; font-weight: 650; }
  .mobile-account > a.active, .mobile-account > a:hover { color: var(--accent); background: var(--accent-soft); }
  .mobile-account-identity { padding: 8px 12px 7px; }
  .mobile-roster-switch { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 7px; padding: 7px 12px 9px; }
  .mobile-roster-switch label { gap: 3px; color: var(--muted); font-size: .72rem; }
  .mobile-roster-switch select { padding-block: 8px; font-size: .84rem; }
  .mobile-logout { display: block; margin: 2px 0 0; }
  .mobile-logout button { width: 100%; padding: 11px 12px; border: 0; border-radius: 8px; background: transparent; color: var(--muted); text-align: left; font: inherit; font-weight: 650; cursor: pointer; }
  .mobile-logout button:hover { color: var(--text); background: var(--surface-2); }

  .page { width: min(100% - 18px, 1180px); margin-top: 16px; }
  .auth-page { width: 100%; margin: 0; padding: 24px 14px; }
  .auth-brandmark img { width: 148px; height: 148px; }
  .auth-card { padding: 19px; }
  .weekday-row, .calendar-grid { grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 3px; }
  .weekday-row { display: grid; margin-bottom: 4px; font-size: .62rem; }
  .calendar-cell.empty { display: block; }
  .calendar-cell { min-height: 78px; padding: 4px 3px; border-radius: 7px; }
  .calendar-cell:hover { transform: none; }
  .day-number { margin: 0 0 4px; font-size: .72rem; }
  .day-items { display: grid; gap: 2px; }
  .pill { width: 100%; max-width: 100%; padding: 2px 3px; border-radius: 4px; font-size: .56rem; line-height: 1.15; }
  .calendar-flight-time, .calendar-flight-destination { display: block; overflow: hidden; text-overflow: ellipsis; }
  .calendar-flight-destination { font-weight: 800; }
  .calendar-flight-number, .calendar-flight-separator { display: none; }
  .more { padding-left: 1px; font-size: .58rem; }

  .toolbar { margin-bottom: 12px; }
  .toolbar-title { text-align: left; }
  .toolbar-actions { gap: 5px; }
  .toolbar-actions .button { padding-inline: 9px; }
  .day-head { align-items: flex-end; }
  .flight-meta { grid-template-columns: 1fr; }
  .upload-box { align-items: stretch; flex-direction: column; }
  .summary-grid { grid-template-columns: repeat(2, 1fr); }
  .hotel-form { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .row-card { align-items: flex-start; }
  .row-card > .text-link { display: none; }
  .date-heading-row { align-items: center; }
  .trip-banner { align-items: flex-start; flex-direction: column; gap: 6px; }
  .trip-day { grid-template-columns: 34px 1fr; gap: 8px; }
  .trip-day-marker span { width: 32px; height: 32px; font-size: .8rem; }
  .trip-day:not(:last-child)::before { left: 15px; top: 28px; }
  .hotel-row { align-items: flex-start; }
  .upcoming-toolbar { align-items: stretch; flex-direction: column; }
  .upcoming-actions { width: 100%; margin-left: 0; flex-wrap: wrap; }
  .date-jump { flex: 1; }
  .date-jump label { flex: 1; }

  .settings-shell { margin-top: 22px; }
  .settings-card { padding: 17px; border-radius: 15px; }
  .theme-picker-colors { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .theme-picker-modes { grid-template-columns: 1fr; }
  .theme-option { grid-template-columns: 82px 1fr; align-items: center; gap: 12px; }
  .theme-option-preview { height: 48px; }
  .settings-actions .button { width: 100%; }

  .support-banner { align-items: stretch; flex-direction: column; padding: 10px 12px; }
  .support-banner-copy { display: grid; gap: 4px; }
  .support-banner form { display: block; }
  .support-banner .button { width: 100%; }
  .management-grid { grid-template-columns: 1fr; }
  .admin-user-card { grid-template-columns: 1fr; }
  .admin-actions { justify-content: flex-start; }
  .impersonate-form { grid-template-columns: 1fr; flex-basis: 100%; }
  .member-row { align-items: stretch; }
  .inline-form { width: 100%; }
}