/* App Factory Admin — базовые стили */
:root {
    --bg: #0f1419;
    --bg-card: #1a2332;
    --text: #e6edf3;
    --text-muted: #8b949e;
    --accent: #58a6ff;
    --accent-hover: #79b8ff;
    --border: #30363d;
    --error: #f85149;
    --radius: 8px;
}

* {
    box-sizing: border-box;
}
body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

/* Login */
.page-login {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 1rem;
}
.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem;
}
.login-box h1 {
    margin: 0 0 0.25rem;
    font-size: 1.5rem;
}
.login-box .subtitle {
    color: var(--text-muted);
    margin: 0 0 1.5rem;
    font-size: 0.9rem;
}
.form .field {
    margin-bottom: 1rem;
}
.form label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.form input {
    width: 100%;
    padding: 0.5rem 0.75rem;
    font-size: 1rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}
.form input::placeholder {
    color: var(--text-muted);
}
.form .hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0 0 1rem;
}
.form .actions {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.form .error {
    font-size: 0.875rem;
    color: var(--error);
    margin: 0;
    min-height: 1.25rem;
}
.form .error.visible {
    display: block;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 6px;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: background 0.15s;
}
.btn-primary {
    background: var(--accent);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent-hover);
}
.btn-secondary {
    background: var(--bg);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-secondary:hover {
    background: var(--border);
}
.btn-text {
    background: transparent;
    color: var(--text-muted);
}
.btn-text:hover {
    color: var(--text);
}

/* Header (dashboard, admin) */
.header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-card);
}
.header .logo {
    font-weight: 600;
    color: var(--text);
    text-decoration: none;
}
.header .logo:hover {
    color: var(--accent);
}
.header nav {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.header .user-info {
    font-size: 0.8rem;
    color: var(--text-muted);
}
.header .nav-link {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
}
.header .nav-link:hover,
.header .nav-link.active {
    color: var(--accent);
}
.header .nav-link.hidden {
    display: none;
}

/* Main content */
.dashboard-main,
.admin-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}
.dashboard-main h1,
.admin-main h1 {
    margin: 0 0 0.5rem;
    font-size: 1.5rem;
}
.dashboard-main .test-roles {
    margin-top: 2rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.dashboard-main .test-roles h2 {
    margin: 0 0 0.5rem;
    font-size: 1rem;
}
.dashboard-main .result-msg {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.875rem;
    color: var(--accent);
}
.admin-main .lead {
    color: var(--text-muted);
    margin: 0 0 2rem;
}

/* Services grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}
.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
}
.service-card h2 {
    margin: 0 0 0.5rem;
    font-size: 1.1rem;
}
.service-card p {
    margin: 0 0 0.5rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.service-card .admin-hint {
    margin: 0 0 1rem;
    font-size: 0.8rem;
    color: var(--accent);
}
.service-card .btn {
    font-size: 0.8rem;
}
.service-card .btn + .btn {
    margin-left: 0.5rem;
}

/* Admin: страницы сервисов */
.admin-main .admin-section,
.learning-admin .admin-section,
.catalog-admin .admin-section {
    margin-top: 2rem;
    padding: 1rem 0;
    border-top: 1px solid var(--border);
}
.admin-main .admin-section h2,
.learning-admin .admin-section h2,
.catalog-admin .admin-section h2 {
    margin: 0 0 0.75rem;
    font-size: 1.1rem;
}
.admin-main .toolbar,
.learning-admin .toolbar,
.catalog-admin .toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.admin-main .toolbar label,
.learning-admin .toolbar label,
.catalog-admin .toolbar label {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.admin-main .toolbar select,
.learning-admin .toolbar select,
.catalog-admin .toolbar select {
    min-width: 200px;
    padding: 0.35rem 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}
.admin-main .form-inline,
.admin-main .form-block,
.learning-admin .form-inline,
.learning-admin .form-block,
.catalog-admin .form-inline,
.catalog-admin .form-block {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.admin-main .form-block,
.learning-admin .form-block,
.catalog-admin .form-block {
    flex-direction: column;
    align-items: stretch;
}
.admin-main .form-block label,
.learning-admin .form-block label,
.catalog-admin .form-block label {
    display: block;
    margin-bottom: 0.25rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.admin-main .form-block textarea,
.admin-main .form-block input[type="datetime-local"],
.learning-admin .form-block textarea,
.learning-admin .form-block input[type="datetime-local"],
.catalog-admin .form-block textarea,
.catalog-admin .form-block input[type="datetime-local"] {
    width: 100%;
    max-width: 500px;
    padding: 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    margin-bottom: 0.75rem;
}
.admin-main .form-inline label,
.learning-admin .form-inline label,
.catalog-admin .form-inline label { margin-right: 0.5rem; }
.admin-main .form-inline input[type="text"],
.admin-main .form-inline input[type="number"],
.learning-admin .form-inline input[type="text"],
.learning-admin .form-inline input[type="number"],
.catalog-admin .form-inline input[type="text"],
.catalog-admin .form-inline input[type="number"] {
    padding: 0.35rem 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    width: 200px;
}
.admin-main .table-wrap,
.learning-admin .table-wrap,
.catalog-admin .table-wrap {
    overflow-x: auto;
}
.admin-main .data-table,
.learning-admin .data-table,
.catalog-admin .data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.admin-main .data-table th,
.admin-main .data-table td,
.learning-admin .data-table th,
.learning-admin .data-table td,
.catalog-admin .data-table th,
.catalog-admin .data-table td {
    padding: 0.5rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.admin-main .data-table th,
.learning-admin .data-table th,
.catalog-admin .data-table th {
    color: var(--text-muted);
    font-weight: 500;
}
.admin-main .data-table select,
.learning-admin .data-table select,
.catalog-admin .data-table select {
    padding: 0.25rem;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 4px;
}
.admin-main .hint,
.learning-admin .hint,
.catalog-admin .hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0 0 0.5rem;
}

.lesson-media-block {
    margin: 1rem 0;
}
.lesson-media-block h4 {
    margin: 0 0 0.5rem;
    font-size: 0.95rem;
    color: var(--text-muted);
}
.media-list {
    list-style: none;
    padding: 0;
    margin: 0 0 0.5rem;
}
.media-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.25rem 0;
    font-size: 0.875rem;
}
.upload-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.upload-row input[type="file"] {
    width: auto;
}

.id-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin: 0 0 0.5rem;
}
.id-hint code,
.id-cell {
    font-family: ui-monospace, monospace;
    font-size: 0.8rem;
    background: var(--bg);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

/* Admin: generic page extras */
.admin-main .toolbar input[type="text"] {
    padding: 0.35rem 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    width: 200px;
}
.admin-main .toolbar select {
    min-width: 140px;
}
.admin-main .empty-hint {
    padding: 1rem 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}
.admin-main .pagination {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 0.75rem;
    font-size: 0.875rem;
    color: var(--text-muted);
}
.admin-main .pagination .btn {
    padding: 0.3rem 0.7rem;
    font-size: 0.8rem;
}
.admin-main .pagination .btn:disabled {
    opacity: 0.4;
    cursor: default;
}
.admin-main .data-table tbody tr.clickable {
    cursor: pointer;
}
.admin-main .data-table tbody tr.clickable:hover {
    background: rgba(88,166,255,0.07);
}
.admin-main .detail-panel {
    margin-top: 1rem;
    padding: 1rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}
.admin-main .detail-panel h3 {
    margin: 0 0 0.75rem;
    font-size: 1rem;
}
.admin-main .detail-panel .btn-close {
    float: right;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-muted);
    border-radius: 4px;
    cursor: pointer;
    padding: 0.2rem 0.5rem;
    font-size: 0.8rem;
}
.admin-main .detail-panel .btn-close:hover {
    color: var(--text);
    border-color: var(--text-muted);
}
.admin-main .service-card h3 {
    margin: 0 0 0.25rem;
    font-size: 1.25rem;
    color: var(--accent);
}
.admin-main .service-card p {
    margin: 0;
}
.admin-main .stat-map {
    margin: 0.25rem 0 0;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.admin-main .stat-map span {
    display: inline-block;
    margin-right: 0.75rem;
}
.media-gallery .media-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}
.media-gallery .media-item span {
    min-width: 8rem;
}

/* ——— Sidebar ——— */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 260px;
    background: var(--bg-card);
    border-right: 1px solid var(--border);
    z-index: 100;
    display: flex;
    flex-direction: column;
    transition: width 0.25s ease, transform 0.25s ease;
    overflow: hidden;
}
.sidebar.collapsed {
    width: 0;
    min-width: 0;
    border-right-width: 0;
}
.sidebar-toggle {
    position: absolute;
    top: 1rem;
    left: 100%;
    margin-left: 0.5rem;
    width: 2rem;
    height: 2rem;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: var(--bg-card);
    color: var(--text);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 101;
    transition: background 0.15s, border-color 0.15s;
}
.sidebar-toggle:hover {
    background: var(--border);
}
.sidebar-toggle::before {
    content: "";
    width: 0.5rem;
    height: 0.5rem;
    border-left: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(-45deg);
    margin-left: 0.25rem;
}
.sidebar.collapsed .sidebar-toggle::before {
    transform: rotate(135deg);
    margin-left: -0.25rem;
}
.sidebar-inner {
    flex: 1;
    overflow-y: auto;
    padding: 3rem 0 1rem 1rem;
}
.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.sidebar-link {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--text);
    text-decoration: none;
    border-radius: 6px;
    font-size: 0.9375rem;
    transition: background 0.15s, color 0.15s;
}
.sidebar-link:hover {
    background: var(--border);
    color: var(--accent);
}
.sidebar-link.active,
nav .nav-link.active {
    background: rgba(88, 166, 255, 0.15);
    color: var(--accent);
}
.main-wrap {
    margin-left: 260px;
    min-height: 100vh;
    transition: margin-left 0.25s ease;
}
.sidebar.collapsed ~ .main-wrap {
    margin-left: 0;
}
.page-login .sidebar {
    display: none;
}
.page-login .main-wrap {
    margin-left: 0;
}

.current-value.text-muted {
    color: var(--text-muted);
    font-size: 0.9rem;
    margin: 0 0 0.5rem;
}
.form-block #form-product-change-price.form-inline {
    display: none;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: center;
    margin-bottom: 0.5rem;
}
.form-block #form-product-change-price[style*="flex"] {
    display: flex;
}

/* Sidebar overlay (mobile) */
.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 99;
}
.sidebar-overlay.open { display: block; }

/* Mobile hamburger button (inside header) */
.mobile-menu-btn {
    display: none;
    width: 2.25rem; height: 2.25rem;
    border-radius: 6px; border: 1px solid var(--border);
    background: var(--bg-card); color: var(--text);
    cursor: pointer; font-size: 1.1rem;
    align-items: center; justify-content: center;
}

/* ═══════════════════════ Responsive ═══════════════════════ */

@media (max-width: 1024px) {
    .dashboard-main, .admin-main {
        max-width: 100%;
        padding: 1.5rem 1rem;
    }
}

@media (max-width: 768px) {
    /* Sidebar: off-canvas on mobile */
    .sidebar {
        transform: translateX(-100%);
        width: 280px;
        transition: transform 0.25s ease;
    }
    .sidebar.mobile-open {
        transform: translateX(0);
    }
    .sidebar.collapsed {
        transform: translateX(-100%);
    }
    .sidebar-toggle {
        display: none;
    }

    .main-wrap {
        margin-left: 0 !important;
    }
    .sidebar.collapsed ~ .main-wrap { margin-left: 0; }

    .mobile-menu-btn { display: inline-flex; }

    /* Header */
    .header {
        padding: 0.6rem 0.75rem;
        gap: 0.5rem;
    }
    .header nav { gap: 0.5rem; }
    .header .user-info { font-size: 0.72rem; max-width: 100px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
    .header .nav-link { font-size: 0.8rem; }
    .header .logo { font-size: 0.9rem; }

    /* Main content */
    .dashboard-main, .admin-main {
        padding: 1rem 0.75rem;
    }
    .dashboard-main h1, .admin-main h1 {
        font-size: 1.2rem;
    }
    .admin-main .lead {
        font-size: 0.85rem;
        margin-bottom: 1rem;
    }

    /* Services grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    .service-card {
        padding: 1rem;
    }
    .service-card h2 { font-size: 1rem; }

    /* Admin sections */
    .admin-main .admin-section,
    .learning-admin .admin-section,
    .catalog-admin .admin-section {
        margin-top: 1rem;
        padding-top: 0.75rem;
    }
    .admin-main .admin-section h2,
    .learning-admin .admin-section h2,
    .catalog-admin .admin-section h2 {
        font-size: 1rem;
    }

    /* Toolbar */
    .admin-main .toolbar,
    .learning-admin .toolbar,
    .catalog-admin .toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
    }
    .admin-main .toolbar select,
    .learning-admin .toolbar select,
    .catalog-admin .toolbar select {
        min-width: unset;
        width: 100%;
    }
    .admin-main .toolbar label,
    .learning-admin .toolbar label,
    .catalog-admin .toolbar label {
        width: 100%;
    }

    /* Forms */
    .admin-main .form-inline,
    .learning-admin .form-inline,
    .catalog-admin .form-inline {
        flex-direction: column;
        align-items: stretch;
    }
    .admin-main .form-inline input[type="text"],
    .admin-main .form-inline input[type="number"],
    .learning-admin .form-inline input[type="text"],
    .learning-admin .form-inline input[type="number"],
    .catalog-admin .form-inline input[type="text"],
    .catalog-admin .form-inline input[type="number"] {
        width: 100%;
    }
    .admin-main .form-block,
    .learning-admin .form-block,
    .catalog-admin .form-block {
        padding: 0.75rem;
    }
    .admin-main .form-block textarea,
    .admin-main .form-block input[type="datetime-local"],
    .learning-admin .form-block textarea,
    .learning-admin .form-block input[type="datetime-local"],
    .catalog-admin .form-block textarea,
    .catalog-admin .form-block input[type="datetime-local"] {
        max-width: 100%;
    }

    /* Tables */
    .admin-main .data-table,
    .learning-admin .data-table,
    .catalog-admin .data-table {
        font-size: 0.8rem;
    }
    .admin-main .data-table th,
    .admin-main .data-table td,
    .learning-admin .data-table th,
    .learning-admin .data-table td,
    .catalog-admin .data-table th,
    .catalog-admin .data-table td {
        padding: 0.4rem 0.5rem;
    }

    /* Upload row */
    .upload-row {
        flex-direction: column;
        align-items: flex-start;
    }

    /* Media gallery */
    .media-gallery .media-item {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.35rem;
    }

    /* ID cells */
    .id-cell {
        font-size: 0.7rem;
        word-break: break-all;
    }

    /* Buttons */
    .btn {
        padding: 0.5rem 0.75rem;
        font-size: 0.8rem;
    }
    .service-card .btn + .btn {
        margin-left: 0;
        margin-top: 0.35rem;
    }
    .service-card .btn {
        display: block;
        text-align: center;
    }

    /* Login */
    .login-box {
        padding: 1.5rem;
    }

    /* Test roles */
    .dashboard-main .test-roles {
        padding: 0.75rem;
    }
}

@media (max-width: 480px) {
    .dashboard-main, .admin-main {
        padding: 0.75rem 0.5rem;
    }
    .header {
        padding: 0.5rem;
    }
    .services-grid {
        gap: 0.5rem;
    }
    .form .actions {
        flex-direction: column;
    }
    .form .actions .btn {
        width: 100%;
        text-align: center;
    }
    .account-grid,
    .week-grid {
        grid-template-columns: 1fr;
    }
}

/* Dashboard stat cards */
.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent);
    margin: 0.25rem 0;
    line-height: 1.2;
}
.stat-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Tab buttons */
.tab-btn {
    transition: background 0.15s, color 0.15s;
}
.tab-btn.active {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
}

/* ═══════════════ Status badges ═══════════════ */
.badge {
    display: inline-block;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: capitalize;
    white-space: nowrap;
}
.badge-active   { background: rgba(34,197,94,0.15); color: #22c55e; }
.badge-cancelled{ background: rgba(239,68,68,0.15); color: #ef4444; }
.badge-expired  { background: rgba(251,191,36,0.15); color: #fbbf24; }
.badge-pending  { background: rgba(99,102,241,0.15); color: #6366f1; }
.badge-past_due { background: rgba(249,115,22,0.15); color: #f97316; }

/* ═══════════════ Copyable UUID chip ═══════════════ */
.uuid-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.15rem 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    font-family: ui-monospace, monospace;
    font-size: 0.78rem;
    color: var(--text-muted);
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
    max-width: 100%;
}
.uuid-chip:hover {
    border-color: var(--accent);
    color: var(--accent);
}
.uuid-chip .uuid-icon {
    font-size: 0.7rem;
    opacity: 0.5;
}
.uuid-chip:hover .uuid-icon {
    opacity: 1;
}

/* ═══════════════ Plans grid ═══════════════ */
.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 0.75rem;
}
.plan-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    transition: border-color 0.15s;
}
.plan-card:hover {
    border-color: var(--accent);
}
.plan-card-name {
    font-weight: 600;
    font-size: 0.95rem;
    margin: 0 0 0.5rem;
    color: var(--text);
}
.plan-card-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}
.plan-card-meta span {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}
.plan-card-price {
    margin-top: 0.75rem;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent);
}
.plan-card-id {
    margin-top: 0.5rem;
}
.plan-card .badge {
    margin-top: 0.5rem;
}

/* ═══════════════ Detail row / kv ═══════════════ */
.detail-kv {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: 0.35rem 1rem;
    font-size: 0.875rem;
}
.detail-kv dt {
    color: var(--text-muted);
    font-weight: 500;
}
.detail-kv dd {
    margin: 0;
    word-break: break-all;
}

/* ═══════════════ Subscriptions table tweaks ═══════════════ */
.sub-row { cursor: pointer; transition: background 0.1s; }
.sub-row:hover { background: rgba(88,166,255,0.06); }
.sub-row.selected { background: rgba(88,166,255,0.12); }
.sub-user-cell { display: flex; flex-direction: column; gap: 0.15rem; }
.sub-user-label { font-weight: 500; font-size: 0.85rem; }
.sub-period { font-size: 0.8rem; color: var(--text-muted); white-space: nowrap; }
.sub-period-active { color: #22c55e; }
.sub-period-expired { color: #fbbf24; }
.sub-expand-btn {
    background: none; border: none; color: var(--text-muted); cursor: pointer;
    font-size: 1rem; padding: 0.2rem; transition: color 0.15s, transform 0.2s;
}
.sub-expand-btn:hover { color: var(--accent); }
.sub-expand-btn.open { transform: rotate(90deg); }

@media (max-width: 768px) {
    .plans-grid { grid-template-columns: 1fr; }
    .detail-kv { grid-template-columns: 1fr; }
    .detail-kv dt { font-size: 0.75rem; }
}