/* ================================================
   信众制动 - 后台管理系统样式
   ================================================ */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+SC:wght@300;400;500;700&display=swap');

:root {
    --bg: #0f0f14;
    --bg2: #16161f;
    --bg3: #1e1e2a;
    --bg4: #252532;
    --accent: #e63946;
    --accent-hover: #c5303c;
    --accent-soft: rgba(230,57,70,0.1);
    --gold: #c9a84c;
    --text: #e8e8f0;
    --text2: #8a8a9a;
    --text3: #555566;
    --border: #2a2a38;
    --sidebar-w: 240px;
    --header-h: 60px;
    --success: #4caf50;
    --warning: #ff9800;
    --danger: #f44336;
    --info: #2196f3;
}

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

body {
    font-family: 'Noto Sans SC', 'PingFang SC', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

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

.login-page::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at 50% 30%, rgba(230,57,70,0.08) 0%, transparent 60%);
}

.login-box {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 48px 40px;
    width: 400px;
    max-width: 90vw;
    position: relative;
    z-index: 1;
    animation: fadeInUp 0.5s ease;
}

.login-logo {
    text-align: center;
    margin-bottom: 36px;
}

.login-logo-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-radius: 14px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    box-shadow: 0 6px 20px rgba(230,57,70,0.4);
    margin-bottom: 12px;
}

.login-logo h1 {
    font-size: 1.3rem;
    font-weight: 700;
    letter-spacing: 2px;
}

.login-logo p {
    color: var(--text2);
    font-size: 0.82rem;
    margin-top: 4px;
}

.login-form .form-group {
    margin-bottom: 18px;
}

.login-form label {
    display: block;
    font-size: 0.82rem;
    color: var(--text2);
    margin-bottom: 8px;
    font-weight: 500;
}

.login-form input {
    width: 100%;
    padding: 12px 16px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: all 0.2s;
    outline: none;
}

.login-form input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

.login-form .btn-login {
    width: 100%;
    padding: 13px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
    box-shadow: 0 4px 15px rgba(230,57,70,0.3);
    margin-top: 8px;
}

.login-form .btn-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(230,57,70,0.4);
}

.login-error {
    background: rgba(244,67,54,0.1);
    border: 1px solid rgba(244,67,54,0.3);
    border-radius: 8px;
    padding: 12px;
    color: #f44336;
    font-size: 0.85rem;
    margin-bottom: 16px;
    text-align: center;
}

.login-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.78rem;
    color: var(--text3);
}

/* --- Admin Layout --- */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-w);
    background: var(--bg2);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    overflow-y: auto;
    z-index: 100;
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    height: var(--header-h);
    display: flex;
    align-items: center;
    padding: 0 20px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
    flex-shrink: 0;
}

.sidebar-logo {
    width: 34px;
    height: 34px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 1rem;
}

.sidebar-brand {
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 1px;
}

.sidebar-nav {
    flex: 1;
    padding: 16px 12px;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 16px;
    border-radius: 8px;
    color: var(--text2);
    font-size: 0.9rem;
    transition: all 0.2s;
    text-decoration: none;
    margin-bottom: 2px;
}

.sidebar-nav a:hover {
    background: var(--bg3);
    color: var(--text);
}

.sidebar-nav a.active {
    background: var(--accent-soft);
    color: var(--accent);
}

.sidebar-nav a i {
    width: 20px;
    text-align: center;
    font-size: 0.95rem;
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
}

.sidebar-footer a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--text2);
    font-size: 0.85rem;
    text-decoration: none;
    padding: 8px;
    border-radius: 6px;
    transition: all 0.2s;
}

.sidebar-footer a:hover {
    color: var(--text);
    background: var(--bg3);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-w);
    min-height: 100vh;
}

/* Admin Header */
.admin-header {
    height: var(--header-h);
    background: var(--bg2);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
}

.admin-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
    font-family: inherit;
}

.admin-header-right {
    display: flex;
    align-items: center;
    gap: 16px;
}

.admin-breadcrumb {
    font-size: 0.82rem;
    color: var(--text3);
}

.admin-breadcrumb a {
    color: var(--text2);
    text-decoration: none;
}

.admin-breadcrumb a:hover {
    color: var(--accent);
}

.admin-user {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text2);
    font-size: 0.85rem;
}

/* Page Content */
.page-content {
    padding: 32px 28px;
}

/* Stats Cards */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 32px;
}

.stat-card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.2s;
}

.stat-card:hover {
    border-color: rgba(230,57,70,0.3);
    transform: translateY(-2px);
}

.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.stat-icon.red { background: var(--accent-soft); color: var(--accent); }
.stat-icon.gold { background: rgba(201,168,76,0.1); color: var(--gold); }
.stat-icon.blue { background: rgba(33,150,243,0.1); color: var(--info); }
.stat-icon.green { background: rgba(76,175,80,0.1); color: var(--success); }

.stat-info h3 {
    font-size: 1.7rem;
    font-weight: 700;
    line-height: 1;
    font-family: inherit;
}

.stat-info p {
    font-size: 0.8rem;
    color: var(--text2);
    margin-top: 4px;
}

/* Table */
.card {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.card-header h3 {
    font-size: 1rem;
    font-weight: 600;
    font-family: inherit;
}

.card-body {
    padding: 0;
}

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

.data-table th {
    padding: 12px 16px;
    text-align: left;
    font-size: 0.78rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text3);
    background: var(--bg3);
    border-bottom: 1px solid var(--border);
}

.data-table td {
    padding: 14px 16px;
    font-size: 0.88rem;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tr:hover td {
    background: rgba(255,255,255,0.02);
}

.data-table .th-sm { width: 100px; }
.data-table .th-xs { width: 60px; }

/* Product image in table */
.product-thumb {
    width: 60px;
    height: 40px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid var(--border);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.badge-red { background: rgba(230,57,70,0.15); color: var(--accent); }
.badge-gold { background: rgba(201,168,76,0.15); color: var(--gold); }
.badge-green { background: rgba(76,175,80,0.15); color: var(--success); }
.badge-gray { background: var(--bg4); color: var(--text2); }
.badge-blue { background: rgba(33,150,243,0.15); color: var(--info); }

/* Action Buttons */
.btn-group {
    display: flex;
    gap: 6px;
}

.btn-sm {
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 0.78rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid;
    font-family: inherit;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-sm-primary {
    background: rgba(33,150,243,0.1);
    border-color: rgba(33,150,243,0.3);
    color: var(--info);
}

.btn-sm-primary:hover {
    background: rgba(33,150,243,0.2);
    color: var(--info);
}

.btn-sm-danger {
    background: rgba(244,67,54,0.1);
    border-color: rgba(244,67,54,0.3);
    color: var(--danger);
}

.btn-sm-danger:hover {
    background: rgba(244,67,54,0.2);
    color: var(--danger);
}

.btn-primary {
    padding: 10px 24px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
    box-shadow: 0 4px 12px rgba(230,57,70,0.3);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(230,57,70,0.4);
}

.btn-secondary {
    padding: 10px 24px;
    background: transparent;
    color: var(--text2);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-secondary:hover {
    border-color: var(--text2);
    color: var(--text);
}

.btn-danger {
    padding: 10px 24px;
    background: rgba(244,67,54,0.1);
    color: var(--danger);
    border: 1px solid rgba(244,67,54,0.3);
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
}

.btn-danger:hover {
    background: rgba(244,67,54,0.2);
}

/* Forms in admin */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 18px;
}

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

.form-group label {
    display: block;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--text2);
    margin-bottom: 8px;
}

.form-group label .req {
    color: var(--accent);
}

.form-control {
    width: 100%;
    padding: 11px 15px;
    background: var(--bg3);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    transition: all 0.2s;
    outline: none;
}

.form-control:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-soft);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238a8a9a' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 36px;
    cursor: pointer;
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.form-hint {
    font-size: 0.75rem;
    color: var(--text3);
    margin-top: 6px;
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.form-checkbox input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--accent);
}

.form-actions {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}

.btn-save {
    padding: 12px 36px;
    background: linear-gradient(135deg, var(--accent), var(--accent-hover));
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
    box-shadow: 0 4px 15px rgba(230,57,70,0.3);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-save:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(230,57,70,0.4);
}

.btn-cancel {
    padding: 12px 28px;
    background: transparent;
    color: var(--text2);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 0.95rem;
    cursor: pointer;
    font-family: inherit;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.btn-cancel:hover {
    border-color: var(--text2);
    color: var(--text);
}

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(4px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 16px;
    width: 480px;
    max-width: 100%;
    animation: scaleIn 0.2s ease;
}

.modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 1rem;
    font-family: inherit;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text2);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    line-height: 1;
    transition: all 0.2s;
}

.modal-close:hover {
    color: var(--text);
}

.modal-body {
    padding: 24px;
}

.modal-footer {
    padding: 16px 24px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 10px;
    justify-content: flex-end;
}

/* Toast */
.toast {
    position: fixed;
    top: 80px;
    right: 28px;
    z-index: 300;
    padding: 14px 24px;
    border-radius: 10px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 8px 30px rgba(0,0,0,0.3);
    animation: slideDown 0.3s ease;
    max-width: 360px;
}

.toast-success { background: #1b3a1d; border: 1px solid rgba(76,175,80,0.3); color: #4caf50; }
.toast-error { background: #3a1b1b; border: 1px solid rgba(244,67,54,0.3); color: #f44336; }
.toast-info { background: #1a2a3a; border: 1px solid rgba(33,150,243,0.3); color: #2196f3; }

/* Pagination */
.pagination {
    display: flex;
    gap: 4px;
    justify-content: center;
    padding: 20px;
}

.pagination a, .pagination span {
    padding: 6px 14px;
    border-radius: 6px;
    font-size: 0.85rem;
    text-decoration: none;
    border: 1px solid var(--border);
    color: var(--text2);
    transition: all 0.2s;
}

.pagination a:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}

.pagination .active {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text2);
}

.empty-state .empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    opacity: 0.5;
}

.empty-state h4 {
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text);
}

/* Alert */
.alert {
    padding: 14px 20px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success { background: rgba(76,175,80,0.1); border: 1px solid rgba(76,175,80,0.3); color: #4caf50; }
.alert-error { background: rgba(244,67,54,0.1); border: 1px solid rgba(244,67,54,0.3); color: #f44336; }
.alert-info { background: rgba(33,150,243,0.1); border: 1px solid rgba(33,150,243,0.3); color: #2196f3; }

/* Animations */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Responsive */
@media (max-width: 1024px) {
    .stats-row { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    :root { --sidebar-w: 0px; }
    .sidebar { transform: translateX(-240px); transition: transform 0.3s; width: 240px; }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .form-group.full-width { grid-column: 1; }
}