:root {
    color-scheme: dark;
    --ink: #f7f7f3;
    --muted: rgba(247, 247, 243, 0.72);
    --line: rgba(255, 255, 255, 0.22);
    --surface: rgba(8, 14, 22, 0.58);
    --accent: #f8d44c;
    --success: #70e1a1;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { min-height: 100%; margin: 0; background: #0b1118; }
body { color: var(--ink); }
button, input { font: inherit; }
button { color: inherit; }

.experience {
    position: relative;
    display: grid;
    min-height: 100svh;
    overflow: hidden;
    isolation: isolate;
}

.backdrop, .scene, .shade, .grain { position: absolute; inset: 0; }
.backdrop { z-index: -2; overflow: hidden; background: #111923; }
.scene {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0;
    transform: scale(1.025);
    transition: opacity 1.3s ease, transform 8s linear;
}
.scene.is-visible { opacity: 1; transform: scale(1.075); }
.shade { z-index: 2; background: rgba(4, 9, 15, 0.54); }
.grain {
    z-index: 3;
    opacity: 0.16;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.32'/%3E%3C/svg%3E");
    pointer-events: none;
}

.topbar {
    position: absolute;
    z-index: 5;
    top: 0;
    left: 0;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: max(22px, env(safe-area-inset-top)) max(26px, env(safe-area-inset-right)) 20px max(26px, env(safe-area-inset-left));
}

.wordmark {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 0.14em;
}
.wordmark-mark {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, 0.54);
    font-size: 15px;
    letter-spacing: 0;
}

.icon-button {
    display: inline-grid;
    width: 44px;
    height: 44px;
    padding: 0;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 50%;
    background: rgba(7, 12, 18, 0.5);
    font-size: 22px;
    line-height: 1;
    cursor: pointer;
    backdrop-filter: blur(12px);
    transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}
.icon-button:hover, .icon-button:focus-visible {
    border-color: rgba(255, 255, 255, 0.72);
    background: rgba(7, 12, 18, 0.78);
    transform: translateY(-1px);
}
.icon-button:focus-visible, .save-button:focus-visible, input:focus-visible {
    outline: 3px solid rgba(248, 212, 76, 0.62);
    outline-offset: 3px;
}

.hero {
    align-self: end;
    width: min(1120px, calc(100% - 64px));
    margin: 0 auto;
    padding: 136px 0 92px;
}
.eyebrow {
    margin: 0 0 14px;
    color: var(--accent);
    font-size: 13px;
    font-weight: 850;
    letter-spacing: 0.18em;
}
h1 {
    max-width: 940px;
    margin: 0;
    font-size: 72px;
    font-weight: 820;
    line-height: 0.98;
    letter-spacing: 0;
    text-wrap: balance;
}
.subtitle { margin: 18px 0 34px; color: var(--muted); font-size: 21px; font-weight: 500; }

.countdown {
    display: grid;
    grid-template-columns: repeat(4, minmax(112px, 146px));
    gap: 10px;
    width: fit-content;
}
.time-unit {
    display: grid;
    min-height: 122px;
    padding: 18px 16px 14px;
    align-content: center;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: var(--surface);
    backdrop-filter: blur(16px);
}
.time-unit strong {
    font-variant-numeric: tabular-nums;
    font-size: 49px;
    font-weight: 780;
    line-height: 1;
    letter-spacing: 0;
}
.time-unit span {
    margin-top: 8px;
    color: var(--muted);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.trip-meta {
    display: grid;
    grid-template-columns: auto auto 1fr;
    gap: 10px 18px;
    align-items: baseline;
    margin-top: 28px;
}
.trip-label { color: var(--accent); font-size: 11px; font-weight: 850; letter-spacing: 0.14em; }
.trip-meta strong { font-size: 17px; }
.trip-date { color: var(--muted); font-size: 14px; }

.gallery-controls {
    position: absolute;
    z-index: 5;
    right: max(26px, env(safe-area-inset-right));
    bottom: max(28px, env(safe-area-inset-bottom));
    display: flex;
    align-items: center;
    gap: 8px;
}
.gallery-controls .icon-button { width: 40px; height: 40px; }
.photo-position {
    min-width: 54px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 12px;
    font-variant-numeric: tabular-nums;
    text-align: center;
}

#confetti {
    position: fixed;
    z-index: 10;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.settings-dialog {
    width: min(720px, calc(100% - 28px));
    max-height: min(860px, calc(100svh - 28px));
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 8px;
    background: #101720;
    color: var(--ink);
    box-shadow: 0 28px 80px rgba(0, 0, 0, 0.5);
}
.settings-dialog::backdrop { background: rgba(3, 7, 12, 0.76); backdrop-filter: blur(7px); }
.settings-form { display: grid; gap: 18px; padding: 28px; }
.dialog-head { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.dialog-kicker {
    margin: 0 0 7px;
    color: var(--accent);
    font-size: 11px;
    font-weight: 850;
    letter-spacing: 0.15em;
}
.dialog-head h2 { margin: 0; font-size: 28px; letter-spacing: 0; }
.dialog-close { flex: 0 0 auto; }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.settings-form label { display: grid; gap: 8px; }
.settings-form label > span { color: rgba(255, 255, 255, 0.72); font-size: 12px; font-weight: 750; }
.settings-form input:not([type="checkbox"]) {
    width: 100%;
    min-height: 48px;
    padding: 11px 13px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 5px;
    background: #18212c;
    color: #fff;
}
.push-settings {
    display: grid;
    grid-template-columns: 1fr 160px;
    gap: 16px;
    align-items: end;
    padding: 16px;
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.035);
}
.settings-form .toggle-row {
    display: flex;
    min-height: 48px;
    align-items: center;
    gap: 12px;
}
.toggle-row input {
    width: 20px;
    height: 20px;
    margin: 0;
    accent-color: var(--accent);
}
.toggle-row span { display: grid; gap: 3px; }
.settings-form .toggle-row strong { color: #fff; font-size: 14px; }
.settings-form .toggle-row small { color: rgba(255, 255, 255, 0.58); font-size: 11px; }
.save-button {
    min-height: 50px;
    padding: 12px 18px;
    border: 0;
    border-radius: 5px;
    background: var(--accent);
    color: #151515;
    font-weight: 850;
    cursor: pointer;
}
.form-message {
    margin: 0;
    padding: 12px 14px;
    border-left: 4px solid currentColor;
    background: rgba(255, 255, 255, 0.06);
}
.form-message.success { color: var(--success); }
.form-message.error { color: #ff9999; }
noscript {
    position: fixed;
    z-index: 20;
    left: 12px;
    right: 12px;
    bottom: 12px;
    padding: 12px;
    background: #b00020;
    color: #fff;
    text-align: center;
}

@media (max-width: 760px) {
    .topbar { padding-right: 18px; padding-left: 18px; }
    .wordmark { font-size: 10px; }
    .hero { width: calc(100% - 36px); padding: 112px 0 102px; }
    h1 { font-size: 44px; line-height: 1; }
    .subtitle { margin: 14px 0 24px; font-size: 17px; }
    .countdown { grid-template-columns: repeat(2, minmax(0, 1fr)); width: 100%; }
    .time-unit { min-height: 96px; padding: 13px 14px; }
    .time-unit strong { font-size: 38px; }
    .trip-meta { grid-template-columns: auto 1fr; margin-top: 20px; }
    .trip-date { grid-column: 1 / -1; }
    .gallery-controls { right: 18px; bottom: max(20px, env(safe-area-inset-bottom)); }
    .settings-form { padding: 20px; }
    .field-grid { grid-template-columns: 1fr; }
    .push-settings { grid-template-columns: 1fr; }
}

@media (max-height: 720px) and (min-width: 761px) {
    .hero { padding-top: 110px; padding-bottom: 42px; }
    h1 { font-size: 56px; }
    .subtitle { margin-bottom: 22px; }
    .time-unit { min-height: 98px; }
    .time-unit strong { font-size: 40px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}