/* ===== TripTogether design system ===== */

@font-face {
    font-family: "Rubik";
    font-style: normal;
    font-weight: 300 900;
    font-display: swap;
    src: url("/fonts/rubik-hebrew.woff2") format("woff2");
    unicode-range: U+0307-0308, U+0590-05FF, U+200C-2010, U+20AA, U+25CC, U+FB1D-FB4F;
}
@font-face {
    font-family: "Rubik";
    font-style: normal;
    font-weight: 300 900;
    font-display: swap;
    src: url("/fonts/rubik-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+2000-206F, U+20AC, U+2122;
}

:root {
    --color-bg: #f6f5fd;
    --color-surface: #ffffff;
    --color-surface-alt: #f1eefc;
    --color-text: #1c1730;
    --color-text-muted: #6b6584;
    --color-border: #e5e1f5;

    --color-primary: #7c3aed;
    --color-primary-dark: #6423d1;
    --color-primary-contrast: #ffffff;
    --color-accent: #f43f5e;
    --color-accent-contrast: #ffffff;

    --color-danger: #dc2626;
    --color-success: #16a34a;

    --gradient-hero: linear-gradient(135deg, #4f46e5 0%, #a21caf 55%, #f97316 100%);
    --gradient-primary: linear-gradient(135deg, #8b5cf6 0%, #7c3aed 100%);

    --shadow-sm: 0 1px 2px rgba(43, 21, 92, .07);
    --shadow-md: 0 6px 18px rgba(43, 21, 92, .12);
    --shadow-lg: 0 16px 40px rgba(43, 21, 92, .20);
    --shadow-glow: 0 8px 22px rgba(124, 58, 237, .35);

    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --font-sans: "Rubik", "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;

    color-scheme: light;
}

:root[data-theme="dark"] {
    --color-bg: #150f28;
    --color-surface: #1e1638;
    --color-surface-alt: #271c47;
    --color-text: #f1edfb;
    --color-text-muted: #ab9fd1;
    --color-border: #362a5c;

    --color-primary: #a78bfa;
    --color-primary-dark: #c4b5fd;
    --color-primary-contrast: #1e1638;
    --color-accent: #fb7185;
    --color-accent-contrast: #1e1638;

    --gradient-hero: linear-gradient(135deg, #4338ca 0%, #86198f 55%, #c2410c 100%);
    --gradient-primary: linear-gradient(135deg, #a78bfa 0%, #8b5cf6 100%);

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .35);
    --shadow-md: 0 6px 18px rgba(0, 0, 0, .4);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, .5);
    --shadow-glow: 0 8px 22px rgba(167, 139, 250, .35);

    color-scheme: dark;
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
    margin: 0;
    font-family: var(--font-sans);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.55;
    -webkit-font-smoothing: antialiased;
    transition: background-color .2s ease, color .2s ease;
}

a { color: var(--color-primary-dark); }
[data-theme="dark"] a { color: var(--color-primary); }

h1, h2, h3, h4 { line-height: 1.25; margin: 0 0 .5em; }

.container {
    width: 100%;
    max-width: 1080px;
    margin-inline: auto;
    padding-inline: 1rem;
}

/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 40;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-sm);
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-block: .65rem;
}

.brand {
    display: flex;
    align-items: center;
    gap: .5rem;
    font-weight: 800;
    font-size: 1.25rem;
    text-decoration: none;
    color: var(--color-text);
}

.brand-mark {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--gradient-hero);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    flex-shrink: 0;
}
.brand-mark svg { width: 20px; height: 20px; }

.header-actions { display: flex; align-items: center; gap: .4rem; }

.icon-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color .15s ease;
}
.icon-btn:hover { background: var(--color-surface-alt); }
.icon-btn svg { width: 18px; height: 18px; }

.main-nav { display: none; gap: 1.25rem; align-items: center; }
.main-nav a { color: var(--color-text-muted); text-decoration: none; font-weight: 600; font-size: .95rem; }
.main-nav a:hover { color: var(--color-text); }

@media (min-width: 720px) {
    .main-nav { display: flex; }
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .6rem 1.1rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: .95rem;
    text-decoration: none;
    border: 1px solid transparent;
    cursor: pointer;
    transition: transform .05s ease, box-shadow .15s ease, background-color .15s ease;
}
.btn:active { transform: translateY(1px); }

.btn-primary { background: var(--gradient-primary); color: var(--color-primary-contrast); box-shadow: var(--shadow-glow); }
.btn-primary:hover { filter: brightness(1.08); box-shadow: var(--shadow-lg); }

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

.btn-outline { background: transparent; border-color: var(--color-border); color: var(--color-text); }
.btn-outline:hover { background: var(--color-surface-alt); }

.btn-danger { background: transparent; border-color: var(--color-danger); color: var(--color-danger); }
.btn-danger:hover { background: var(--color-danger); color: #fff; }

.btn-sm { padding: .35rem .7rem; font-size: .85rem; }
.btn-block { width: 100%; }

/* ===== Cards / surfaces ===== */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    padding: 1.25rem;
    transition: box-shadow .15s ease, transform .15s ease;
}

.card-link { display: block; text-decoration: none; color: inherit; }
.card-link:hover .card { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.grid { display: grid; gap: 1rem; grid-template-columns: 1fr; }
@media (min-width: 640px) { .grid-2 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } }

.badge {
    display: inline-flex;
    align-items: center;
    padding: .15rem .55rem;
    border-radius: 999px;
    background: var(--color-surface-alt);
    color: var(--color-text-muted);
    font-size: .78rem;
    font-weight: 700;
}
.badge-primary { background: rgba(124,58,237,.14); color: var(--color-primary-dark); }
[data-theme="dark"] .badge-primary { color: var(--color-primary); background: rgba(167,139,250,.18); }
.badge-accent { background: rgba(244,63,94,.14); color: var(--color-accent); }

.muted { color: var(--color-text-muted); }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }

/* ===== Hero ===== */
.hero {
    background: var(--gradient-hero);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 2.5rem 1.5rem;
    margin-block: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow-lg);
}
.hero h1 { font-size: clamp(1.6rem, 4vw, 2.6rem); font-weight: 800; }
.hero p { font-size: 1.05rem; opacity: .95; max-width: 40rem; margin-inline: auto; }
.hero .btn-primary { background: #fff; color: var(--color-primary-dark); box-shadow: var(--shadow-md); }
.hero .btn-outline { border-color: rgba(255,255,255,.6); color: #fff; }

.brand-gradient-text {
    background: var(--gradient-hero);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ===== Forms ===== */
.form-group { margin-bottom: 1rem; }
label { display: block; font-weight: 700; font-size: .9rem; margin-bottom: .3rem; }
.form-control, input[type="text"], input[type="email"], input[type="password"], input[type="number"],
input[type="date"], input[type="time"], input[type="datetime-local"], textarea, select {
    width: 100%;
    padding: .6rem .75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border);
    background: var(--color-surface);
    color: var(--color-text);
    font-family: inherit;
    font-size: .95rem;
}
textarea { min-height: 5rem; resize: vertical; }
.form-check { display: flex; align-items: center; gap: .5rem; }
.form-check input { width: auto; }
.field-validation-error { color: var(--color-danger); font-size: .82rem; display: block; margin-top: .25rem; }
.validation-summary-errors { color: var(--color-danger); background: rgba(220,38,38,.08); border-radius: var(--radius-sm); padding: .75rem 1rem; margin-bottom: 1rem; }
.validation-summary-errors ul { margin: 0; padding-inline-start: 1.1rem; }

.password-field { position: relative; }
.password-field input { padding-inline-end: 2.6rem; }
.password-toggle {
    position: absolute;
    inset-inline-end: .4rem;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--color-text-muted);
    padding: .3rem;
    display: flex;
    align-items: center;
}
.password-toggle svg { width: 18px; height: 18px; }

.radio-cards { display: flex; gap: .6rem; flex-wrap: wrap; }
.radio-card {
    flex: 1;
    min-width: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: .4rem;
    padding: .7rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 700;
    background: var(--color-surface);
    transition: border-color .15s ease, background-color .15s ease;
}
.radio-card input { position: absolute; opacity: 0; pointer-events: none; }
.radio-card:has(input:checked) { border-color: var(--color-primary); background: var(--color-surface-alt); box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-primary) 30%, transparent); }
.radio-card .emoji { font-size: 1.3rem; }

.sort-bar { display: flex; gap: 1rem; padding: .5rem .25rem; margin-bottom: .5rem; flex-wrap: wrap; }
.sort-bar a { color: var(--color-text-muted); text-decoration: none; font-weight: 700; font-size: .85rem; display: flex; align-items: center; gap: .25rem; }
.sort-bar a.active { color: var(--color-primary-dark); }
[data-theme="dark"] .sort-bar a.active { color: var(--color-primary); }

/* ===== Itinerary weekly grid ===== */
.week-grid {
    display: grid;
    grid-auto-flow: column;
    grid-auto-columns: minmax(190px, 1fr);
    gap: .75rem;
    overflow-x: auto;
    padding-bottom: .75rem;
    margin-bottom: 1rem;
}
.week-day-col {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: .75rem;
    min-height: 160px;
    box-shadow: var(--shadow-sm);
}
.week-day-col h4 { margin: 0 0 .6rem; font-size: .85rem; }
.week-day-col .day-name { display: block; color: var(--color-text-muted); font-weight: 400; font-size: .75rem; }
.week-item-chip {
    display: block;
    background: var(--color-surface-alt);
    border-radius: var(--radius-sm);
    padding: .4rem .6rem;
    margin-bottom: .4rem;
    font-size: .8rem;
    text-decoration: none;
    color: var(--color-text);
    font-weight: 600;
}
.week-item-chip:hover { box-shadow: var(--shadow-sm); }
.week-item-chip .time { color: var(--color-text-muted); font-weight: 400; font-size: .72rem; display: block; }
.week-empty { color: var(--color-text-muted); font-size: .78rem; }

/* ===== Trip header / tabs ===== */
.trip-header {
    background: var(--gradient-hero);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-block: 1rem;
    box-shadow: var(--shadow-md);
}
.trip-header h1 { margin-bottom: .2rem; }
.trip-header .muted { color: rgba(255,255,255,.85); }
.countdown-pill {
    display: inline-flex;
    align-items: baseline;
    gap: .4rem;
    background: rgba(255,255,255,.18);
    border-radius: 999px;
    padding: .35rem .9rem;
    margin-top: .6rem;
    font-weight: 700;
}
.countdown-pill strong { font-size: 1.3rem; }

.trip-tabs {
    display: flex;
    gap: .3rem;
    overflow-x: auto;
    padding: .4rem;
    margin-bottom: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    position: sticky;
    top: 62px;
    z-index: 30;
}
.trip-tabs a {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: .4rem;
    padding: .5rem .8rem;
    border-radius: var(--radius-sm);
    text-decoration: none;
    color: var(--color-text-muted);
    font-weight: 700;
    font-size: .88rem;
    white-space: nowrap;
}
.trip-tabs a svg { width: 16px; height: 16px; }
.trip-tabs a.active, .trip-tabs a:hover { background: var(--color-surface-alt); color: var(--color-text); }

/* ===== Lists / items ===== */
.item-row {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
    margin-bottom: .75rem;
}
.item-row .meta { color: var(--color-text-muted); font-size: .88rem; }
.item-actions { display: flex; gap: .35rem; flex-shrink: 0; align-items: center; }

.empty-state { text-align: center; padding: 3rem 1rem; color: var(--color-text-muted); }
.empty-state svg { width: 48px; height: 48px; margin-bottom: .75rem; opacity: .6; }

/* ===== Photos ===== */
.photo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: .6rem; }
.photo-tile {
    position: relative;
    border-radius: var(--radius-sm);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    background: var(--color-surface-alt);
    box-shadow: var(--shadow-sm);
}
.photo-tile img { width: 100%; height: 100%; object-fit: cover; display: block; }
.photo-tile form { position: absolute; top: 6px; inset-inline-end: 6px; }

/* ===== Chat ===== */
.chat-window {
    display: flex;
    flex-direction: column;
    gap: .55rem;
    height: 60vh;
    min-height: 320px;
    overflow-y: auto;
    padding: 1rem;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    margin-bottom: .75rem;
}
.chat-bubble { max-width: 78%; padding: .55rem .8rem; border-radius: var(--radius-md); background: var(--color-surface-alt); align-self: flex-start; }
.chat-bubble.mine { align-self: flex-end; background: var(--color-primary); color: var(--color-primary-contrast); }
.chat-bubble .author { font-size: .75rem; font-weight: 700; opacity: .8; margin-bottom: .15rem; display: block; }
.chat-bubble .time { font-size: .7rem; opacity: .65; display: block; margin-top: .2rem; }
.chat-input-row { display: flex; gap: .5rem; }
.chat-input-row input { flex: 1; }

/* ===== Packing / tasks ===== */
.packing-item { display: flex; align-items: center; gap: .6rem; }
.packing-item.packed .title { text-decoration: line-through; opacity: .6; }
.filter-tabs { display: flex; gap: .4rem; margin-bottom: 1rem; }
.filter-tabs a { padding: .4rem .9rem; border-radius: 999px; text-decoration: none; font-weight: 700; font-size: .85rem; color: var(--color-text-muted); border: 1px solid var(--color-border); }
.filter-tabs a.active { background: var(--color-primary); color: var(--color-primary-contrast); border-color: transparent; }

/* ===== Upcoming widget ===== */
.upcoming-list { display: flex; flex-direction: column; gap: .5rem; }
.upcoming-row { display: flex; align-items: center; gap: .7rem; padding: .6rem .8rem; border-radius: var(--radius-sm); background: var(--color-surface-alt); }
.upcoming-row .icon { width: 34px; height: 34px; border-radius: 50%; background: var(--color-primary); color: var(--color-primary-contrast); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.upcoming-row .icon svg { width: 17px; height: 17px; }
.upcoming-row .when { font-size: .78rem; color: var(--color-text-muted); }

/* ===== Map ===== */
.place-map { height: 320px; border-radius: var(--radius-md); overflow: hidden; border: 1px solid var(--color-border); margin-bottom: 1rem; }

/* ===== Footer ===== */
.site-footer { text-align: center; color: var(--color-text-muted); font-size: .85rem; padding: 2rem 1rem 5.5rem; }

/* ===== Mobile bottom nav ===== */
.mobile-tabbar {
    display: flex;
    justify-content: space-around;
    position: fixed;
    bottom: 0;
    inset-inline: 0;
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    padding: .35rem 0 calc(.35rem + env(safe-area-inset-bottom));
    z-index: 50;
    box-shadow: 0 -2px 10px rgba(0,0,0,.06);
}
.mobile-tabbar a { display: flex; flex-direction: column; align-items: center; gap: .15rem; text-decoration: none; color: var(--color-text-muted); font-size: .68rem; font-weight: 700; padding: .25rem .5rem; }
.mobile-tabbar a.active { color: var(--color-primary-dark); }
[data-theme="dark"] .mobile-tabbar a.active { color: var(--color-primary); }
.mobile-tabbar svg { width: 20px; height: 20px; }

@media (min-width: 720px) {
    .mobile-tabbar { display: none; }
    .site-footer { padding-bottom: 2rem; }
}

/* ===== Auth pages ===== */
.auth-wrap { max-width: 420px; margin: 2rem auto; }

/* ===== Utility ===== */
.stack { display: flex; flex-direction: column; gap: .75rem; }
.row { display: flex; gap: .75rem; flex-wrap: wrap; }
.mt-1 { margin-top: .5rem; } .mt-2 { margin-top: 1rem; } .mt-3 { margin-top: 1.5rem; }
.mb-1 { margin-bottom: .5rem; } .mb-2 { margin-bottom: 1rem; } .mb-3 { margin-bottom: 1.5rem; }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: .75rem; flex-wrap: wrap; }