:root {
    --bg: #0f1419;
    --bg-card: #1a2332;
    --bg-hover: #243044;
    --border: #2d3a4f;
    --text: #e7e9ea;
    --text-muted: #8b98a5;
    --accent: #74c4ae;
    --accent-hover: #5ab89e;
    --success: #00ba7c;
    --danger: #f4212e;
    --warning: #ffad1f;
    --radius: 12px;
    --radius-sm: 8px;
    --sidebar-w: 240px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    -webkit-font-smoothing: antialiased;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.sidebar-header {
    padding: 24px;
    border-bottom: 1px solid var(--border);
}

.logo {
    font-size: 20px;
    font-weight: 700;
    display: block;
    margin-bottom: 16px;
}

.nav-link {
    font-size: 14px;
    color: var(--accent);
    text-decoration: none;
}

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

.sidebar-nav {
    padding: 16px 0;
    flex: 1;
}

.nav-item {
    display: block;
    padding: 12px 24px;
    font-size: 15px;
    color: var(--text);
}

.nav-item.active {
    color: var(--accent);
    font-weight: 500;
}

.sidebar-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
}

.logout-btn {
    font-size: 14px;
    color: var(--text-muted);
    text-decoration: none;
}

.logout-btn:hover {
    color: var(--danger);
}

/* Main */
.main {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}

.topbar {
    padding: 20px 32px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
}

.topbar h1 {
    font-size: 20px;
    font-weight: 600;
}

.telegram-badge {
    font-size: 13px;
    padding: 6px 12px;
    border-radius: 20px;
    background: var(--bg-hover);
}

.telegram-badge.ok {
    background: rgba(0, 186, 124, 0.2);
    color: var(--success);
}

.telegram-badge.err {
    background: rgba(244, 33, 46, 0.2);
    color: var(--danger);
}

.content {
    flex: 1;
    padding: 24px 32px;
    overflow-y: auto;
}

.posts-grid {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.posts-grid.loading {
    justify-content: center;
    align-items: center;
    min-height: 200px;
    color: var(--text-muted);
}

.empty-state {
    color: var(--text-muted);
    text-align: center;
    padding: 48px 24px;
}

.post-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
}

.post-card-header {
    padding: 20px 24px;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 16px;
    cursor: pointer;
}

.post-card-header:hover {
    background: var(--bg-hover);
}

.post-meta {
    flex: 1;
    min-width: 0;
}

.post-id {
    font-size: 12px;
    color: var(--text-muted);
    font-family: ui-monospace, monospace;
    margin-bottom: 6px;
}

.post-caption {
    font-size: 14px;
    color: var(--text);
    max-height: 48px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.post-link {
    font-size: 13px;
    color: var(--accent);
    text-decoration: none;
    margin-top: 8px;
    display: inline-block;
}

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

.status {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    flex-shrink: 0;
}

.status.active {
    background: rgba(0, 186, 124, 0.2);
    color: var(--success);
}

.status.inactive {
    background: rgba(244, 33, 46, 0.2);
    color: var(--danger);
}

.status.none {
    background: rgba(139, 152, 165, 0.2);
    color: var(--text-muted);
}

.post-card-body {
    padding: 0 24px 24px;
}

.post-card-body.collapsed {
    display: none;
}

.settings-form {
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.form-group-full {
    grid-column: 1 / -1;
}

.checkbox-group label,
.checkbox-label {
    margin: 0;
}

.section {
    margin-bottom: 24px;
}

.section-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group {
    margin-bottom: 16px;
}

.form-label,
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-bottom: 6px;
}

.form-input,
.form-textarea,
input[type="text"],
input[type="url"],
input[type="password"],
textarea {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 14px;
    font-family: inherit;
}

.form-textarea,
textarea {
    resize: vertical;
    min-height: 80px;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}

input::placeholder, textarea::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.btn {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    font-family: inherit;
}

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

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

.btn-danger {
    background: rgba(244, 33, 46, 0.2);
    color: var(--danger);
}

.btn-danger:hover {
    background: rgba(244, 33, 46, 0.3);
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-checkbox,
.checkbox-group input[type="checkbox"] {
    width: auto;
}

/* Login */
body.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg);
}

.login-box {
    width: 100%;
    max-width: 400px;
    padding: 40px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.login-box h1 {
    font-size: 24px;
    margin-bottom: 32px;
    text-align: center;
}

.login-form .form-group {
    margin-bottom: 20px;
}

.login-form .btn,
.login-form .btn-primary {
    width: 100%;
    padding: 14px;
    margin-top: 8px;
}

.login-error {
    color: var(--danger);
    font-size: 13px;
    margin-bottom: 12px;
    min-height: 18px;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 14px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
    z-index: 1000;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.success { border-color: var(--success); }
.toast.error { border-color: var(--danger); }

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        flex-direction: row;
        flex-wrap: wrap;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
    .sidebar-header { border-bottom: none; }
    .sidebar-nav { display: none; }
    .sidebar-footer { margin-left: auto; }
    body { flex-direction: column; }
}