:root {
    --bg: #f4f5f7;
    --surface: #ffffff;
    --border: #e2e5ea;
    --border-strong: #d1d5db;
    --text: #1f2328;
    --text-muted: #4b5563;
    --text-faint: #6b7280;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-soft: #eef2ff;
    --accent-soft-border: #c7d2fe;
    --accent-soft-hover: #e0e7ff;
    --danger: #dc2626;
    --danger-hover: #b91c1c;
    --danger-text: #b91c1c;
    --success-bg: #ecfdf3;
    --success-border: #a7e3bb;
    --success-text: #14532d;
    --warn-bg: #fffbeb;
    --warn-border: #fde68a;
    --warn-text: #78350f;
    --error-bg: #fef2f2;
    --error-border: #f3b4b4;
    --error-text: #7f1d1d;
    --table-head: #f9fafb;
    --badge-bg: #f3f4f6;
    --badge-text: #374151;
    --input-bg: #ffffff;
    --published-surface: #fafefb;
    color-scheme: light;
}

:root[data-theme="dark"] {
    --bg: #0f172a;
    --surface: #1e293b;
    --border: #334155;
    --border-strong: #475569;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --text-faint: #94a3b8;
    --accent: #60a5fa;
    --accent-hover: #93c5fd;
    --accent-soft: #172554;
    --accent-soft-border: #1e40af;
    --accent-soft-hover: #1e3a8a;
    --danger: #ef4444;
    --danger-hover: #f87171;
    --danger-text: #f87171;
    --success-bg: #064e3b;
    --success-border: #059669;
    --success-text: #a7f3d0;
    --warn-bg: #451a03;
    --warn-border: #b45309;
    --warn-text: #fde68a;
    --error-bg: #450a0a;
    --error-border: #991b1b;
    --error-text: #fecaca;
    --table-head: #243244;
    --badge-bg: #334155;
    --badge-text: #e2e8f0;
    --input-bg: #0f172a;
    --published-surface: #0b2e22;
    color-scheme: dark;
}

@media (prefers-color-scheme: dark) {
    :root:not([data-theme]) {
        --bg: #0f172a;
        --surface: #1e293b;
        --border: #334155;
        --border-strong: #475569;
        --text: #e2e8f0;
        --text-muted: #94a3b8;
        --text-faint: #94a3b8;
        --accent: #60a5fa;
        --accent-hover: #93c5fd;
        --accent-soft: #172554;
        --accent-soft-border: #1e40af;
        --accent-soft-hover: #1e3a8a;
        --danger: #ef4444;
        --danger-hover: #f87171;
        --danger-text: #f87171;
        --success-bg: #064e3b;
        --success-border: #059669;
        --success-text: #a7f3d0;
        --warn-bg: #451a03;
        --warn-border: #b45309;
        --warn-text: #fde68a;
        --error-bg: #450a0a;
        --error-border: #991b1b;
        --error-text: #fecaca;
        --table-head: #243244;
        --badge-bg: #334155;
        --badge-text: #e2e8f0;
        --input-bg: #0f172a;
        --published-surface: #0b2e22;
        color-scheme: dark;
    }
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background-color 0.2s ease, color 0.2s ease;
}

a {
    color: var(--accent);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

.topbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 20px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.topbar .brand {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text);
}

.topbar nav {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
}

.theme-toggle {
    background: none;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 4px 10px;
    font-size: 1rem;
    line-height: 1.4;
    cursor: pointer;
}

.theme-toggle:hover {
    background: var(--accent-soft);
    border-color: var(--accent-soft-border);
}

.inline-form {
    display: inline;
    margin: 0;
}

.link-button {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    color: var(--accent);
    cursor: pointer;
}

.link-button:hover {
    text-decoration: underline;
}

.container {
    max-width: 720px;
    margin: 0 auto;
    padding: 24px 20px 60px;
}

h1 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

h2 {
    font-size: 1.15rem;
    margin-top: 28px;
}

.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 16px 18px;
    margin-bottom: 16px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.card p {
    margin: 6px 0;
}

.result {
    white-space: pre-wrap;
}

.flash {
    background: var(--success-bg);
    border: 1px solid var(--success-border);
    color: var(--success-text);
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.errors {
    background: var(--error-bg);
    border: 1px solid var(--error-border);
    color: var(--error-text);
    padding: 10px 14px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.errors ul {
    margin: 0;
    padding-left: 18px;
}

.form {
    display: flex;
    flex-direction: column;
    gap: 14px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 20px;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.form label {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form input,
.form select,
.form textarea {
    font: inherit;
    padding: 9px 11px;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.form input:focus,
.form select:focus,
.form textarea:focus {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.form button,
.button-danger {
    align-self: flex-start;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 10px 18px;
    border-radius: 8px;
    font: inherit;
    cursor: pointer;
}

.form button:hover {
    background: var(--accent-hover);
}

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

.button-danger:hover {
    background: var(--danger-hover);
}

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 12px;
}

.tile {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 18px;
    font-weight: 500;
    color: var(--text);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.tile:hover {
    border-color: var(--accent);
    text-decoration: none;
}

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

.post-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.post-meta {
    font-size: 0.85rem;
    color: var(--text-faint);
    margin-bottom: 6px;
}

.post-content {
    white-space: pre-wrap;
}

.table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.table th,
.table td {
    text-align: left;
    padding: 10px 12px;
    border-bottom: 1px solid var(--border);
}

.table th {
    background: var(--table-head);
}

/* === Действия с постами / планом === */

.post-actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-top: 12px;
}

.copy-btn {
    background: var(--accent-soft);
    color: var(--accent);
    border: 1px solid var(--accent-soft-border);
    border-radius: 8px;
    padding: 7px 12px;
    font: inherit;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.copy-btn:hover {
    background: var(--accent-soft-hover);
}

.button-link {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    font-size: 0.9rem;
    color: var(--accent);
    cursor: pointer;
    text-decoration: none;
}

.button-link:hover {
    text-decoration: underline;
}

.button-link-danger {
    color: var(--danger-text);
}

.post-notes {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px dashed var(--border);
    font-size: 0.9rem;
    color: var(--text-muted);
}

.form-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

/* === Контент-план === */

.chips {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 16px;
}

.chip {
    padding: 6px 12px;
    border-radius: 999px;
    font-size: 0.85rem;
    background: var(--surface);
    border: 1px solid var(--border);
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.chip-published {
    background: var(--success-bg);
    border-color: var(--success-border);
    color: var(--success-text);
}

.chip-postponed {
    background: var(--warn-bg);
    border-color: var(--warn-border);
    color: var(--warn-text);
}

.plan-item-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    margin-bottom: 8px;
}

.plan-day {
    font-weight: 600;
}

.plan-platform {
    font-size: 0.9rem;
    color: var(--text-faint);
}

.plan-idea {
    white-space: pre-wrap;
}

.status-badge {
    font-size: 0.8rem;
    padding: 3px 10px;
    border-radius: 999px;
    background: var(--badge-bg);
    color: var(--badge-text);
}

.status-badge.status-published {
    background: var(--success-bg);
    color: var(--success-text);
}

.status-badge.status-postponed {
    background: var(--warn-bg);
    color: var(--warn-text);
}

.plan-item.status-published {
    background: var(--published-surface);
}

.status-select {
    font: inherit;
    font-size: 0.9rem;
    padding: 6px 8px;
    border: 1px solid var(--border-strong);
    border-radius: 8px;
    background: var(--input-bg);
    color: var(--text);
}

/* === Медиа-библиотека === */

.media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.media-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.media-card a.media-link {
    display: block;
    line-height: 0;
}

.media-thumb {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    background: var(--table-head);
    display: block;
}

.media-body {
    padding: 10px 12px 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.media-prompt {
    font-size: 0.9rem;
    line-height: 1.35;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.form-hint {
    font-size: 0.85rem;
    color: var(--text-faint);
    margin: 0;
}