:root {
    --bg: #f6f8fb;
    --surface: #ffffff;
    --surface-soft: #edf3f8;
    --text: #18212f;
    --muted: #667085;
    --line: #d9e2ec;
    --primary: #146c94;
    --primary-dark: #0f5878;
    --secondary: #1b998b;
    --danger: #cf3f45;
    --warning-soft: #fff4d6;
    --success-soft: #e6f7ef;
    --error-soft: #fde8e8;
    --info-soft: #e6f0fb;
    --shadow: 0 20px 50px rgba(24, 33, 47, 0.08);
    --radius: 8px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    min-height: 100vh;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
}

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

a {
    color: inherit;
    text-decoration: none;
}

.container {
    width: min(1120px, calc(100% - 32px));
    margin: 0 auto;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    background: rgba(255, 255, 255, 0.94);
    border-bottom: 1px solid var(--line);
    backdrop-filter: blur(12px);
}

.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    min-height: 72px;
}

.brand {
    font-size: 1.2rem;
    font-weight: 800;
    letter-spacing: 0;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.nav-links a {
    padding: 9px 12px;
    border-radius: var(--radius);
    color: var(--muted);
    font-weight: 700;
    font-size: 0.94rem;
}

.nav-links a:hover,
.nav-links a.active {
    background: var(--surface-soft);
    color: var(--primary);
}

.hero-section {
    min-height: calc(100vh - 72px);
    display: flex;
    align-items: center;
    padding: 52px 0;
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(280px, 0.95fr);
    gap: 40px;
    align-items: center;
}

.eyebrow {
    margin: 0 0 10px;
    color: var(--secondary);
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0;
    text-transform: uppercase;
}

h1,
h2,
p {
    overflow-wrap: anywhere;
}

h1 {
    margin: 0;
    font-size: clamp(2.4rem, 6vw, 5.6rem);
    line-height: 0.98;
    letter-spacing: 0;
}

h2 {
    margin: 0;
    font-size: 1.05rem;
    letter-spacing: 0;
}

.hero-text,
.page-heading p,
.dashboard-heading p,
.muted {
    color: var(--muted);
}

.hero-text {
    max-width: 620px;
    margin: 22px 0 0;
    font-size: 1.12rem;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 30px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 44px;
    padding: 11px 18px;
    border: 0;
    border-radius: var(--radius);
    color: #ffffff;
    cursor: pointer;
    font: inherit;
    font-weight: 800;
    transition: transform 160ms ease, background 160ms ease, opacity 160ms ease;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn:focus-visible,
.form-input:focus-visible,
.frame-option:focus-within {
    outline: 3px solid rgba(27, 153, 139, 0.28);
    outline-offset: 2px;
}

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

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

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

.btn-danger {
    background: var(--danger);
}

.btn-small {
    min-height: 36px;
    padding: 8px 12px;
    font-size: 0.9rem;
}

.btn:disabled {
    cursor: not-allowed;
    opacity: 0.58;
    transform: none;
}

.full-width {
    width: 100%;
}

.hero-preview {
    position: relative;
    min-height: 440px;
}

.preview-photo {
    position: absolute;
    border: 10px solid #ffffff;
    border-radius: var(--radius);
    background:
        linear-gradient(135deg, rgba(20, 108, 148, 0.85), rgba(27, 153, 139, 0.72)),
        radial-gradient(circle at 70% 20%, rgba(255, 255, 255, 0.92), transparent 25%);
    box-shadow: var(--shadow);
}

.preview-photo-one {
    inset: 20px 80px 120px 28px;
    transform: rotate(-5deg);
}

.preview-photo-two {
    inset: 130px 20px 20px 130px;
    transform: rotate(4deg);
    background:
        linear-gradient(135deg, rgba(207, 63, 69, 0.82), rgba(20, 108, 148, 0.72)),
        radial-gradient(circle at 40% 30%, rgba(255, 255, 255, 0.95), transparent 22%);
}

.preview-photo-three {
    inset: 84px 145px 58px 0;
    transform: rotate(2deg);
    background:
        linear-gradient(135deg, rgba(27, 153, 139, 0.72), rgba(246, 184, 77, 0.84)),
        radial-gradient(circle at 60% 38%, rgba(255, 255, 255, 0.9), transparent 20%);
}

.page-shell {
    padding: 42px 0 56px;
}

.page-heading {
    margin-bottom: 24px;
}

.page-heading h1,
.dashboard-heading h1,
.auth-card h1 {
    font-size: clamp(2rem, 5vw, 3.6rem);
}

.alert {
    margin: 0 0 18px;
    padding: 13px 16px;
    border: 1px solid transparent;
    border-radius: var(--radius);
    font-weight: 700;
}

.alert-success {
    background: var(--success-soft);
    border-color: #addfc5;
    color: #11623a;
}

.alert-error {
    background: var(--error-soft);
    border-color: #efb4b7;
    color: #9c252b;
}

.alert-info {
    background: var(--info-soft);
    border-color: #b8d3ef;
    color: #194f7a;
}

.hidden {
    display: none !important;
}

.photobooth-layout {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    align-items: start;
}

.booth-panel,
.auth-card,
.stat-card,
.admin-table-wrap,
.empty-state,
.gallery-card,
.admin-photo-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.booth-panel {
    padding: 18px;
}

.frame-panel {
    grid-column: 1 / -1;
}

.panel-header,
.dashboard-heading,
.stat-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.panel-header {
    margin-bottom: 14px;
}

.status-pill {
    padding: 5px 9px;
    border-radius: 999px;
    background: var(--surface-soft);
    color: var(--primary);
    font-size: 0.78rem;
    font-weight: 800;
}

.media-frame {
    position: relative;
    display: grid;
    place-items: center;
    width: 100%;
    aspect-ratio: 4 / 3;
    margin-bottom: 14px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background:
        linear-gradient(45deg, #e2e9f0 25%, transparent 25%),
        linear-gradient(-45deg, #e2e9f0 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #e2e9f0 75%),
        linear-gradient(-45deg, transparent 75%, #e2e9f0 75%);
    background-color: #f8fafc;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0;
    background-size: 20px 20px;
}

.media-frame video,
.photo-preview,
.frame-preview {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.frame-preview {
    position: absolute;
    inset: 0;
    object-fit: fill;
    pointer-events: none;
}

.preview-placeholder {
    padding: 20px;
    color: var(--muted);
    text-align: center;
    font-weight: 700;
}

.form-label {
    display: block;
    margin: 12px 0 7px;
    font-weight: 800;
}

.form-input {
    width: 100%;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #ffffff;
    color: var(--text);
    font: inherit;
}

.frame-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 12px;
}

.frame-option {
    position: relative;
    display: grid;
    gap: 9px;
    padding: 12px;
    border: 2px solid var(--line);
    border-radius: var(--radius);
    cursor: pointer;
    background: #ffffff;
    transition: border-color 160ms ease, background 160ms ease;
}

.frame-option input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.frame-option.selected {
    border-color: var(--secondary);
    background: #effbf8;
}

.frame-thumb {
    display: grid;
    place-items: center;
    aspect-ratio: 4 / 3;
    overflow: hidden;
    border-radius: var(--radius);
    background:
        linear-gradient(45deg, #d8e1ea 25%, transparent 25%),
        linear-gradient(-45deg, #d8e1ea 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, #d8e1ea 75%),
        linear-gradient(-45deg, transparent 75%, #d8e1ea 75%);
    background-color: #ffffff;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
    background-size: 16px 16px;
}

.frame-thumb img {
    width: 100%;
    height: 100%;
    object-fit: fill;
}

.frame-name {
    font-weight: 800;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 18px;
}

.gallery-card {
    overflow: hidden;
}

.gallery-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    background: var(--surface-soft);
}

.card-body {
    padding: 14px;
}

.card-body h2,
.admin-photo-card h2 {
    margin: 0 0 6px;
    font-size: 1.05rem;
}

.card-body p,
.card-body time,
.admin-photo-card p,
.admin-photo-card time {
    margin: 0;
    color: var(--muted);
}

.empty-state {
    padding: 34px 18px;
    color: var(--muted);
    text-align: center;
    font-weight: 800;
}

.auth-shell {
    display: grid;
    place-items: center;
    min-height: calc(100vh - 72px);
    padding: 40px 0;
}

.auth-card {
    width: min(440px, 100%);
    padding: 24px;
}

.stacked-form {
    display: grid;
    gap: 8px;
    margin-top: 20px;
}

.dashboard-heading {
    margin-bottom: 22px;
}

.stat-card {
    margin-bottom: 18px;
    padding: 18px;
}

.stat-card span {
    color: var(--muted);
    font-weight: 800;
}

.stat-card strong {
    font-size: 2.1rem;
    color: var(--primary);
}

.admin-table-wrap {
    overflow-x: auto;
}

.admin-table {
    width: 100%;
    border-collapse: collapse;
}

.admin-table th,
.admin-table td {
    padding: 13px;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: middle;
}

.admin-table th {
    color: var(--muted);
    font-size: 0.85rem;
    text-transform: uppercase;
}

.admin-thumb {
    width: 88px;
    height: 66px;
    border-radius: var(--radius);
    object-fit: cover;
    background: var(--surface-soft);
}

.admin-card-list {
    display: none;
}

.admin-photo-card {
    overflow: hidden;
}

.admin-photo-card img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
}

.admin-photo-card > div {
    display: grid;
    gap: 8px;
    padding: 14px;
}

@media (max-width: 820px) {
    .navbar {
        align-items: flex-start;
        flex-direction: column;
        padding: 14px 0;
    }

    .hero-section {
        align-items: flex-start;
    }

    .hero-grid,
    .photobooth-layout {
        grid-template-columns: 1fr;
    }

    .hero-preview {
        min-height: 320px;
    }

    .admin-table-wrap {
        display: none;
    }

    .admin-card-list {
        display: grid;
        gap: 16px;
    }

    .dashboard-heading {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 560px) {
    .container {
        width: min(100% - 20px, 1120px);
    }

    .nav-links {
        width: 100%;
    }

    .nav-links a {
        flex: 1 1 auto;
        text-align: center;
    }

    .hero-actions,
    .hero-actions .btn {
        width: 100%;
    }

    .booth-panel,
    .auth-card {
        padding: 14px;
    }

    .frame-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}