:root {
    --page: #f4f6fa;
    --page-deep: #dfe6f1;
    --surface: #fbfdff;
    --surface-soft: rgba(251, 253, 255, 0.84);
    --ink: #1e2635;
    --body: #354053;
    --muted: #647086;
    --accent: #3869ad;
    --accent-dark: #244777;
    --accent-warm: #6478bd;
    --line: rgba(30, 38, 53, 0.14);
    --shadow: 0 18px 42px rgba(27, 36, 52, 0.12);
    --serif: Georgia, "Times New Roman", serif;
    --display: "Baskerville", "Libre Baskerville", "Iowan Old Style", Georgia, serif;
    --sans: "Avenir Next", "Gill Sans", "Trebuchet MS", Arial, sans-serif;
    --success: #4b73af;
    --danger: #a63b43;
    --warning: #c99a2e;
    --info: #35788f;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    min-height: 100vh;
    color: var(--ink);
    font-family: var(--serif);
    line-height: 1.75;
    background: linear-gradient(180deg, var(--surface) 0%, var(--page) 50%, var(--page-deep) 100%);
}

body::before {
    content: "";
    position: fixed;
    inset: 0;
    z-index: -1;
    opacity: 0.45;
    pointer-events: none;
    background-image:
        linear-gradient(rgba(56, 105, 173, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(100, 120, 189, 0.035) 1px, transparent 1px);
    background-size: 28px 28px;
}

.container {
    width: min(100% - 2rem, 1200px);
    margin: 0 auto;
    padding: 2rem 0 3rem;
}

.upload-page .container {
    max-width: 640px;
}

.panel,
.upload-page .container,
.photo-card,
.stat-card,
.bulk-toolbar {
    border: 1px solid var(--line);
    background: var(--surface-soft);
    box-shadow: var(--shadow);
    backdrop-filter: blur(10px);
}

.upload-page .container {
    margin-top: 2rem;
    padding: 2rem;
}

h1 {
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--line);
    color: var(--ink);
    font-family: var(--display);
    font-size: clamp(2rem, 4vw, 2.7rem);
    font-weight: 400;
    letter-spacing: 0.03em;
}

p,
label,
.photo-info,
.bulk-select,
.bulk-count,
.file-count,
.stat-label {
    color: var(--muted);
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

input[type="text"],
input[type="email"],
input[type="file"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--line);
    background: rgba(255, 255, 255, 0.72);
    color: var(--ink);
    font-family: var(--serif);
    font-size: 1rem;
}

textarea {
    min-height: 7rem;
    resize: vertical;
}

input[type="file"] {
    padding: 0.5rem;
}

button,
.file-label,
.export-link {
    border: 0;
    cursor: pointer;
    font-family: var(--sans);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.file-label,
button[type="submit"],
.bulk-button,
.export-link {
    background: var(--accent);
    color: #fbfdff;
}

.file-label {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    font-size: 0.86rem;
}

.file-label:hover,
button[type="submit"]:hover,
.bulk-button:hover,
.export-link:hover {
    background: var(--accent-dark);
}

#file-input {
    display: none;
}

.file-count {
    margin-top: 0.5rem;
    font-size: 0.9rem;
}

button[type="submit"] {
    width: 100%;
    padding: 0.85rem;
    font-size: 0.86rem;
}

button:disabled,
button[type="submit"]:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.message {
    padding: 1rem;
    border-left: 4px solid;
}

.upload-page .message {
    display: none;
    margin-top: 1rem;
}

.admin-page .message {
    margin-bottom: 1rem;
}

.message.success {
    border-left-color: var(--success);
    background: rgba(75, 115, 175, 0.13);
    color: #244777;
}

.message.error {
    border-left-color: var(--danger);
    background: rgba(166, 59, 67, 0.13);
    color: #782931;
}

.progress {
    display: none;
    margin-top: 1rem;
}

.progress-bar {
    width: 100%;
    height: 20px;
    overflow: hidden;
    border: 1px solid var(--line);
    background: rgba(30, 38, 53, 0.1);
}

.progress-fill {
    width: 0%;
    height: 100%;
    background: var(--accent-warm);
    transition: width 0.3s;
}

.info {
    margin-bottom: 1.5rem;
    padding: 1rem;
    border-left: 4px solid var(--accent);
    background: rgba(251, 253, 255, 0.72);
    color: var(--body);
    font-size: 0.95rem;
}

.info-note {
    margin-top: 0.75rem;
    color: var(--muted);
}

.photo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.photo-card {
    padding: 1rem;
}

.photo-select {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.photo-select input,
.bulk-select input {
    width: 1rem;
    height: 1rem;
}

.photo-card img {
    width: 100%;
    height: 250px;
    margin-bottom: 1rem;
    background: #dfe6f1;
    object-fit: cover;
}

.photo-info {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.photo-info strong {
    color: var(--ink);
}

.photo-actions,
.bulk-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.photo-actions {
    margin-top: 1rem;
}

.bulk-actions {
    margin-top: 0.75rem;
}

button.approve,
button.reject,
button.delete,
button.restore,
button.archive,
button.bulk-button {
    flex: 1;
    padding: 0.55rem;
    font-size: 0.78rem;
}

button.approve {
    background: var(--success);
    color: #fbfdff;
}

button.reject {
    background: var(--danger);
    color: #fbfdff;
}

button.delete {
    background: var(--warning);
    color: var(--ink);
}

button.restore {
    background: var(--info);
    color: #fbfdff;
}

button.archive {
    background: var(--muted);
    color: #fbfdff;
}

button.bulk-button {
    flex: 0 1 auto;
    min-width: 140px;
}

.empty-state {
    grid-column: 1 / -1;
    padding: 3rem 1rem;
    color: var(--muted);
    text-align: center;
}

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.export-link {
    display: inline-block;
    padding: 0.8rem 1.2rem;
    border: 1px solid var(--accent);
    font-size: 0.82rem;
    text-decoration: none;
}

.stat-card {
    padding: 1.5rem;
    text-align: center;
}

.stat-number {
    color: var(--accent);
    font-family: var(--display);
    font-size: 2.25rem;
    font-weight: 400;
}

.stat-label {
    font-family: var(--sans);
    font-size: 0.82rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.bulk-toolbar {
    padding: 1rem;
}

.bulk-header {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.bulk-select {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
}

.bulk-count {
    font-size: 0.9rem;
}

.admin-section {
    margin: 2rem 0;
    padding: 1.5rem;
}

.admin-section + .admin-section {
    margin-top: 2.25rem;
}

.section-header {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.section-header h2 {
    margin-bottom: 0.25rem;
    color: var(--ink);
    font-family: var(--display);
    font-size: clamp(1.7rem, 3vw, 2.2rem);
    font-weight: 400;
}

.section-kicker {
    margin-bottom: 0.35rem;
    color: var(--accent);
    font-family: var(--sans);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.photo-stats,
.rsvp-stats {
    margin-bottom: 1.25rem;
}

.photo-panel .tabs {
    display: flex;
    gap: 1rem;
    margin: 1.5rem 0 1.25rem;
    border-bottom: 2px solid var(--line);
}

.tab-button {
    padding: 0.75rem 1.5rem;
    border-bottom: 3px solid transparent;
    background: none;
    color: var(--muted);
    font-size: 0.9rem;
}

.tab-button.active {
    border-bottom-color: var(--accent-warm);
    color: var(--ink);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.guest-form,
.import-form {
    display: grid;
    margin-bottom: 1.5rem;
    padding: 1rem;
    border: 1px solid var(--line);
    background: rgba(251, 253, 255, 0.72);
}

.guest-form {
    grid-template-columns: 1.4fr 1.3fr 0.55fr 1fr auto;
    align-items: end;
    gap: 1rem;
}

.guest-form .form-group {
    margin-bottom: 0;
}

.import-form {
    grid-template-columns: minmax(220px, 1fr) minmax(220px, 0.8fr) auto;
    align-items: end;
    gap: 1rem;
}

.guest-form button,
.import-form button {
    padding: 0.85rem 1rem;
    background: var(--accent);
    color: #fbfdff;
}

.help-text {
    margin: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

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

.rsvp-table {
    width: 100%;
    border-collapse: collapse;
    background: rgba(251, 253, 255, 0.72);
}

.rsvp-table th,
.rsvp-table td {
    padding: 0.75rem;
    border-bottom: 1px solid var(--line);
    color: var(--body);
    text-align: left;
    vertical-align: top;
}

.rsvp-table th {
    color: var(--ink);
    font-family: var(--sans);
    font-size: 0.78rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.rsvp-table code {
    padding: 0.15rem 0.35rem;
    background: rgba(56, 105, 173, 0.1);
    color: var(--accent-dark);
    font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.status-pill {
    display: inline-block;
    padding: 0.2rem 0.5rem;
    color: #fbfdff;
    font-family: var(--sans);
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.status-pending {
    background: var(--muted);
}

.status-attending {
    background: var(--success);
}

.status-declined {
    background: var(--danger);
}

.empty-table {
    text-align: center;
}

.table-action {
    padding: 0.45rem 0.7rem;
    font-size: 0.72rem;
}

.table-action.danger {
    background: var(--danger);
    color: #fbfdff;
}

.rsvp-confirmation {
    display: none;
}

.rsvp-confirmation.is-visible {
    display: block;
}

@media (max-width: 720px) {
    .container {
        width: min(100% - 1.5rem, 1200px);
        padding-top: 1rem;
    }

    .upload-page .container {
        padding: 1.25rem;
    }

    .tabs {
        flex-wrap: wrap;
        gap: 0.25rem 0.75rem;
    }

    .tab-button {
        padding: 0.75rem 0;
    }

    .photo-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .photo-actions,
    .bulk-actions {
        flex-direction: column;
    }

    .guest-form,
    .import-form {
        grid-template-columns: 1fr;
    }
}