/* ============================================
   贴纸饭堂 - 样式表
   ============================================ */

/* ---------- Reset & Base ---------- */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }

:root {
    --primary: #FF6B6B;
    --primary-dark: #EE5A24;
    --primary-light: #FFEDED;
    --secondary: #FFB347;
    --accent: #6C5CE7;
    --bg: #FFF9F5;
    --card-bg: #FFFFFF;
    --text: #2D3436;
    --text-light: #636E72;
    --text-muted: #B2BEC3;
    --border: #F0E3D5;
    --shadow: 0 2px 12px rgba(0,0,0,0.06);
    --shadow-hover: 0 8px 24px rgba(0,0,0,0.12);
    --radius: 16px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-h: 64px;
    --max-w: 1200px;
}

html { scroll-behavior: smooth; }

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; background: none; font: inherit; }

/* ---------- Header ---------- */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    height: var(--header-h);
    display: flex;
    align-items: center;
}

.header-inner {
    width: 100%;
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    font-weight: 800;
    color: var(--primary);
    white-space: nowrap;
}
.logo-icon { font-size: 28px; }

.nav-tabs {
    display: flex;
    gap: 4px;
    flex: 1;
}

.nav-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-light);
    transition: var(--transition);
    white-space: nowrap;
}
.nav-tab:hover { background: var(--primary-light); color: var(--primary); }
.nav-tab.active {
    background: var(--text);
    color: #FFF;
}
.nav-tab.active:hover { background: var(--primary); color: #FFF; }
.nav-icon { font-size: 16px; }

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-admin {
    padding: 6px 14px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    background: var(--primary);
    color: #FFF;
    transition: var(--transition);
}
.btn-admin:hover { background: var(--primary-dark); transform: scale(1.05); }

.btn-logout {
    padding: 6px 12px;
    border-radius: 50px;
    font-size: 12px;
    color: var(--text-light);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.btn-logout:hover { background: #F8F9FA; color: var(--primary); }

/* ---------- Search Bar ---------- */
.search-bar {
    max-width: var(--max-w);
    margin: 20px auto 0;
    padding: 0 20px;
}

.search-form {
    position: relative;
    display: flex;
    align-items: center;
}

.search-input {
    width: 100%;
    padding: 12px 40px 12px 16px;
    border: 2px solid var(--border);
    border-radius: 50px;
    font-size: 14px;
    background: #FFF;
    transition: var(--transition);
    outline: none;
}
.search-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }

.search-clear {
    position: absolute;
    right: 14px;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--text-muted);
    color: #FFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
}

/* ---------- Main Content ---------- */
.main-content {
    max-width: var(--max-w);
    margin: 0 auto;
    padding: 24px 20px 60px;
    min-height: calc(100vh - var(--header-h) - 200px);
}

/* ---------- Sticker Grid ---------- */
.sticker-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 20px;
}

.sticker-card {
    /*background: var(--card-bg);*/
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border);
}
.sticker-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
}

.card-image {
    position: relative;
    aspect-ratio: 1 / 1;
    /*background: transparent !important;*/
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.card-image img {
    max-width: 85%;
    max-height: 85%;
    object-fit: contain;
    transition: none !important;
    transform: none !important;
}
.sticker-card:hover .card-image img { transform: scale(1.05); }

.badge-new {
    position: absolute;
    top: 10px;
    right: 10px;
    /*background: var(--primary);
    color: #FFF;*/
    font-size: 11px;
    font-weight: 800;
    padding: 3px 10px;
    border-radius: 50px;
    /*animation: pulse 2s infinite;*/
    z-index: 2;
}
@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.08); }
}

.card-info {
    padding: 14px 16px;
}
.card-title {
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 6px;
}
.card-date {
    font-size: 12px;
    color: var(--text-muted);
}
.card-desc {
    font-size: 12px;
    color: var(--text-light);
    margin-top: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.card-desc.muted { color: var(--text-muted); font-style: italic; }

/* ---------- Pagination ---------- */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 40px;
}
.page-btn {
    padding: 10px 20px;
    border-radius: 50px;
    background: #FFF;
    border: 1px solid var(--border);
    font-size: 14px;
    font-weight: 600;
    color: var(--text);
    transition: var(--transition);
}
.page-btn:hover { background: var(--primary); color: #FFF; border-color: var(--primary); }
.page-info {
    font-size: 14px;
    color: var(--text-light);
    font-weight: 600;
}

/* ---------- Empty State ---------- */
.empty-state {
    text-align: center;
    padding: 80px 20px;
}
.empty-icon { font-size: 64px; margin-bottom: 16px; }
.empty-state p { color: var(--text-light); margin-bottom: 20px; }

/* ---------- Modal ---------- */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
    background: rgba(0,0,0,0.75);
    /*backdrop-filter: blur(4px);*/
    align-items: center;
    justify-content: center;
    /*animation: fadeIn 0.2s;*/
}
.modal-overlay.active {
    display: flex;
}

.preview-modal {
    position: relative;
    max-width: 90vw;
    max-height: 85vh;
    background: #FFF;
    border-radius: var(--radius);
    padding: 24px;
    /*animation: slideUp 0.3s;*/
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}
@keyframes slideUp { from { transform: translateY(40px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

.preview-modal img {
    max-width: 80vw;
    max-height: 65vh;
    object-fit: contain;
    border-radius: var(--radius-sm);
}

.modal-close {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: #F0F0F0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    transition: var(--transition);
}
.modal-close:hover { background: var(--primary); color: #FFF; }

.preview-actions { display: flex; gap: 12px; }

/* ---------- Buttons ---------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 24px;
    border-radius: 50px;
    background: var(--primary);
    color: #FFF;
    font-size: 14px;
    font-weight: 600;
    transition: var(--transition);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-primary:active { transform: translateY(0); }

.btn-lg { padding: 14px 32px; font-size: 16px; }
.btn-block { width: 100%; justify-content: center; }

.btn-sm {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 5px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    border: 1px solid var(--border);
    color: var(--text-light);
    transition: var(--transition);
    cursor: pointer;
}
.btn-sm:hover { background: #F8F9FA; color: var(--text); }

.btn-danger {
    border-color: #FFE0E0;
    color: var(--primary);
}
.btn-danger:hover { background: var(--primary); color: #FFF; border-color: var(--primary); }

/* ---------- Footer ---------- */
.footer {
    text-align: center;
    padding: 30px 20px;
    border-top: 1px solid var(--border);
    background: #FFF;
    font-size: 13px;
    color: var(--text-light);
}
.footer p { margin-bottom: 4px; }
.footer-tips { font-size: 12px; color: var(--text-muted); }
.footer-copy { font-size: 11px; color: var(--text-muted); margin-top: 8px; }

/* ============================================
   ADMIN STYLES
   ============================================ */
.admin-body {
    background: #F5F6FA;
}

/* Sidebar */
.admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    width: 240px;
    background: linear-gradient(180deg, #2D3436 0%, #1A1D21 100%);
    color: #FFF;
    display: flex;
    flex-direction: column;
    z-index: 200;
    overflow-y: auto;
}
.sidebar-logo {
    padding: 24px 20px;
    font-size: 18px;
    font-weight: 800;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    gap: 8px;
}
.sidebar-nav { flex: 1; padding: 12px 10px; }
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 14px;
    color: rgba(255,255,255,0.7);
    transition: var(--transition);
    margin-bottom: 4px;
}
.sidebar-link:hover { background: rgba(255,255,255,0.1); color: #FFF; }
.sidebar-link.active { background: var(--primary); color: #FFF; font-weight: 600; }

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
}
.sidebar-footer p { width: 100%; font-size: 13px; color: rgba(255,255,255,0.6); margin-bottom: 4px; }
.sidebar-footer .btn-sm { border-color: rgba(255,255,255,0.2); color: rgba(255,255,255,0.7); }
.sidebar-footer .btn-sm:hover { background: rgba(255,255,255,0.1); color: #FFF; }

/* Admin Main */
.admin-main {
    margin-left: 240px;
    min-height: 100vh;
}
.admin-header {
    background: #FFF;
    padding: 20px 32px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
}
.admin-header h1 { font-size: 20px; font-weight: 700; }

.admin-content {
    padding: 24px 32px;
    max-width: 1000px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 32px;
}
.stat-card {
    background: #FFF;
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-hover); }
.stat-icon { font-size: 36px; }
.stat-num { display: block; font-size: 28px; font-weight: 800; color: var(--text); }
.stat-label { font-size: 13px; color: var(--text-light); }

/* Admin Sections */
.admin-section { margin-bottom: 32px; }
.section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}
.admin-section h2 { font-size: 16px; font-weight: 700; margin-bottom: 16px; }

/* Table */
.admin-table-wrap {
    background: #FFF;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.admin-table th {
    background: #FAFAFA;
    padding: 12px 16px;
    text-align: left;
    font-weight: 700;
    color: var(--text-light);
    border-bottom: 1px solid var(--border);
}
.admin-table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
.admin-table tr:hover td { background: #FAFAFA; }
.admin-table tr:last-child td { border-bottom: none; }

.table-thumb {
    width: 48px;
    height: 48px;
    object-fit: cover;
    border-radius: 8px;
    background: #F5F5F5;
}
.table-actions { display: flex; gap: 6px; flex-wrap: wrap; }

/* Status Badge */
.status-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 600;
}
.status-badge.active { background: #E8F8F0; color: #00B894; }
.status-badge.hidden { background: #FFF3E0; color: #E17055; }

/* Tags */
.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}
.tag-upload { background: #E8F4FD; color: #0984E3; }
.tag-url { background: #FFF3E0; color: #E17055; }

/* Upload Area */
.upload-area {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}
.upload-card {
    background: #FFF;
    border-radius: var(--radius);
    padding: 32px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.upload-card h2 { margin-bottom: 24px; font-size: 18px; }

.upload-form .form-group { margin-bottom: 20px; }
.upload-form label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}

/* Form Controls */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--text);
}
.form-group input[type="text"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="number"],
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px 14px;
    border: 2px solid var(--border);
    border-radius: 10px;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
    font-family: inherit;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}
.form-group textarea { resize: vertical; min-height: 60px; }
.form-group small { display: block; font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* Upload Tabs */
.upload-tabs { display: flex; gap: 8px; }
.upload-tab {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    border: 2px solid var(--border);
    background: #FFF;
    color: var(--text-light);
    transition: var(--transition);
}
.upload-tab.active { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

/* Drop Zone */
.drop-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    transition: var(--transition);
    cursor: pointer;
    background: #FAFAFA;
}
.drop-zone:hover, .drop-zone.dragover {
    border-color: var(--primary);
    background: var(--primary-light);
}
.drop-icon { font-size: 40px; margin-bottom: 12px; }
.drop-content p { font-size: 14px; color: var(--text); margin-bottom: 8px; }
.drop-content a { color: var(--primary); font-weight: 600; }
.drop-content small { font-size: 12px; color: var(--text-muted); }

.drop-preview {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
}
.drop-preview img {
    max-width: 200px;
    max-height: 200px;
    object-fit: contain;
    border-radius: 8px;
    border: 1px solid var(--border);
}

/* Upload Result */
.upload-result {
    background: #FFF;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.upload-result h3 { margin-bottom: 12px; font-size: 15px; }
.result-success { color: #00B894; }
.result-error { color: var(--primary); }

/* Login Page */
.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #FFF5F0 0%, #F0E3FF 100%);
    padding: 20px;
}
.login-card {
    background: #FFF;
    border-radius: 24px;
    padding: 48px 40px;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}
.login-logo {
    text-align: center;
    margin-bottom: 32px;
}
.login-logo .logo-icon { font-size: 48px; }
.login-logo h1 {
    font-size: 24px;
    font-weight: 800;
    color: var(--primary);
    margin: 8px 0 4px;
}
.login-logo p { font-size: 13px; color: var(--text-light); }

.login-form .form-group { margin-bottom: 20px; }
.login-form label { font-size: 13px; font-weight: 600; margin-bottom: 6px; display: block; }
.login-form input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border);
    border-radius: 12px;
    font-size: 14px;
    transition: var(--transition);
    outline: none;
}
.login-form input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }

.login-footer {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
}
.login-footer a { color: var(--primary); font-weight: 600; }

/* Alert */
.alert {
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 20px;
}
.alert-error { background: #FFEDED; color: var(--primary); border: 1px solid #FFD6D6; }
.alert-success { background: #E8F8F0; color: #00B894; border: 1px solid #B8ECC8; }

/* Category List */
.category-list {
    display: grid;
    gap: 12px;
}
.category-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #FFF;
    padding: 16px 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.cat-icon { font-size: 32px; }
.cat-info { flex: 1; }
.cat-info strong { display: block; font-size: 15px; }
.cat-info small { font-size: 12px; color: var(--text-muted); }
.cat-count {
    background: var(--primary-light);
    color: var(--primary);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
}

/* Settings */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}
.setting-card {
    background: #FFF;
    border-radius: var(--radius);
    padding: 24px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.setting-card h3 { margin-bottom: 16px; font-size: 15px; }

.info-list { list-style: none; }
.info-list li {
    padding: 8px 0;
    border-bottom: 1px solid var(--border);
    font-size: 13px;
    display: flex;
    justify-content: space-between;
}
.info-list li:last-child { border-bottom: none; }

.admin-tips {
    margin-top: 20px;
    padding: 16px;
    background: #FFF8E7;
    border: 1px solid #FFE4A0;
    border-radius: 10px;
    font-size: 13px;
    color: #B8860B;
}

/* Toast */
.toast {
    position: fixed;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%) translateY(80px);
    padding: 12px 28px;
    border-radius: 50px;
    font-size: 14px;
    font-weight: 600;
    color: #FFF;
    background: var(--text);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
    z-index: 2000;
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.success { background: #00B894; }
.toast.error { background: var(--primary); }

/* Loading Spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,0.3);
    border-top-color: #FFF;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 900px) {
    .upload-area { grid-template-columns: 1fr; }
    .admin-sidebar { transform: translateX(-100%); }
    .admin-main { margin-left: 0; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
    .header-inner { gap: 12px; padding: 0 12px; }
    .logo-text { display: none; }
    .nav-tab { padding: 6px 12px; font-size: 13px; }
    .nav-icon { font-size: 14px; }
    .sticker-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
    .main-content { padding: 16px 12px 40px; }
    .search-bar { padding: 0 12px; }
    .admin-content { padding: 16px; }
    .admin-table { font-size: 12px; }
    .admin-table th, .admin-table td { padding: 8px 10px; }
    .table-thumb { width: 36px; height: 36px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .login-card { padding: 32px 24px; }
    .upload-card { padding: 20px; }
}