/* ==== 众耀防洪系统 - 主样式表 ==== */
/* 企业级SaaS设计 - 磨砂玻璃元素 - 明暗切换 */

:root {
    --bg: #f5f6fa;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f1f5;
    --text: #1a1a2e;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --border: #e5e7eb;
    --border-light: #f3f4f6;
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: rgba(79, 70, 229, 0.08);
    --success: #16a34a;
    --success-light: rgba(22, 163, 74, 0.08);
    --danger: #dc2626;
    --danger-light: rgba(220, 38, 38, 0.08);
    --warning: #d97706;
    --warning-light: rgba(217, 119, 6, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.72);
    --glass-border: rgba(255, 255, 255, 0.35);
    --glass-shadow: 0 8px 32px rgba(0, 0, 0, 0.06);
    --glass-blur: blur(16px);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow: 0 4px 16px rgba(0,0,0,0.08);
    --transition: 0.2s ease;
    --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
    --sidebar-width: 240px;
}

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

html { font-size: 16px; scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-hover); }

img { max-width: 100%; height: auto; }

/* ==== Layout ==== */
.app-container { display: flex; flex-direction: column; min-height: 100vh; }
.main-content { flex: 1; }

/* ==== Header ==== */
.header {
    position: sticky; top: 0; z-index: 100;
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
}
.header-inner {
    max-width: 1280px; margin: 0 auto; padding: 0 24px;
    height: 64px; display: flex; align-items: center; gap: 32px;
}
.logo {
    display: flex; align-items: center; gap: 10px;
    font-size: 20px; font-weight: 700; color: var(--text);
    flex-shrink: 0;
}
.logo i { font-size: 28px; color: var(--primary); }
.nav-desktop { display: flex; gap: 4px; flex: 1; }
.nav-desktop a {
    padding: 8px 16px; border-radius: var(--radius-sm);
    color: var(--text-secondary); font-size: 14px; font-weight: 500;
    transition: all var(--transition);
}
.nav-desktop a:hover, .nav-desktop a.active { color: var(--primary); background: var(--primary-light); }
.header-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }

.btn-icon {
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    border: 1px solid var(--border); background: var(--bg-secondary);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 18px; color: var(--text-secondary);
    transition: all var(--transition);
}
.btn-icon:hover { background: var(--bg-tertiary); color: var(--text); }

.user-menu { position: relative; }
.btn-user {
    display: flex; align-items: center; gap: 8px;
    padding: 6px 12px; border-radius: var(--radius-sm);
    border: 1px solid var(--border); background: var(--bg-secondary);
    cursor: pointer; font-size: 14px; color: var(--text);
    transition: all var(--transition);
}
.btn-user:hover { background: var(--bg-tertiary); }
.avatar-sm { width: 28px; height: 28px; border-radius: 50%; object-fit: cover; }
.dropdown-menu {
    display: none; position: absolute; top: 100%; right: 0; margin-top: 8px;
    min-width: 180px; background: var(--bg-secondary);
    border: 1px solid var(--border); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 8px; z-index: 200;
}
.dropdown-menu.show { display: block; }
.dropdown-menu a {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    color: var(--text); font-size: 14px; transition: all var(--transition);
}
.dropdown-menu a:hover { background: var(--bg-tertiary); }

.mobile-menu-btn { display: none; }
.mobile-menu {
    display: none; position: fixed; top: 64px; left: 0; right: 0;
    background: var(--bg-secondary); border-bottom: 1px solid var(--border);
    padding: 16px; z-index: 99; flex-direction: column; gap: 4px;
}
.mobile-menu.show { display: flex; }
.mobile-menu a {
    padding: 12px 16px; border-radius: var(--radius-sm);
    color: var(--text); font-size: 15px;
}
.mobile-menu a:hover { background: var(--bg-tertiary); }

/* ==== Buttons ==== */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    padding: 10px 20px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 500; cursor: pointer;
    border: none; transition: all var(--transition);
    white-space: nowrap; text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text); }
.btn-outline:hover { background: var(--bg-tertiary); color: var(--text); }
.btn-danger { color: var(--danger); }
.btn-danger:hover { background: var(--danger-light); }
.btn-success { color: var(--success); }
.btn-success:hover { background: var(--success-light); }
.btn-warning { color: var(--warning); }
.btn-warning:hover { background: var(--warning-light); }
.btn-sm { padding: 6px 12px; font-size: 13px; }
.btn-xs { padding: 4px 8px; font-size: 12px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ==== Homepage ==== */
.home-hero {
    max-width: 1100px; margin: 0 auto; padding: 60px 24px;
    text-align: center;
}
.hero-content { margin-bottom: 60px; }
.hero-badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 16px; border-radius: 20px;
    background: var(--primary-light); color: var(--primary);
    font-size: 13px; font-weight: 500; margin-bottom: 24px;
}
.hero-title {
    font-size: clamp(32px, 5vw, 48px);
    font-weight: 800; line-height: 1.2; margin-bottom: 16px;
    letter-spacing: -0.02em;
}
.hero-title .highlight { color: var(--primary); }
.hero-desc { font-size: 18px; color: var(--text-secondary); margin-bottom: 40px; line-height: 1.8; }

.link-generator {
    max-width: 700px; margin: 0 auto; padding: 32px; text-align: left;
}
.generator-header {
    display: flex; align-items: center; gap: 8px;
    font-size: 16px; font-weight: 600; margin-bottom: 20px;
}
.generator-header i { color: var(--primary); }
.generator-form .input-group { display: flex; gap: 12px; }
.input-wrapper {
    flex: 1; position: relative; display: flex; align-items: center;
}
.input-wrapper .input-icon {
    position: absolute; left: 14px; color: var(--text-muted); font-size: 18px;
}
.input-wrapper input {
    width: 100%; padding: 12px 16px 12px 42px;
    border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 15px; background: var(--bg-secondary); color: var(--text);
    transition: border-color var(--transition);
}
.input-wrapper input:focus { outline: none; border-color: var(--primary); }
.btn-generate { padding: 12px 28px; font-size: 15px; }

.generator-result {
    display: flex; gap: 32px; margin-top: 24px; padding-top: 24px;
    border-top: 1px solid var(--border);
    align-items: flex-start;
}
.result-box { flex: 1; }
.result-label { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }
.result-url-box { display: flex; gap: 8px; }
.result-url-box input {
    flex: 1; padding: 10px 14px; border: 1px solid var(--border);
    border-radius: var(--radius-sm); font-size: 14px;
    background: var(--bg-secondary); color: var(--text);
}
.result-qr { flex-shrink: 0; text-align: center; }
.qr-label { font-size: 13px; color: var(--text-secondary); margin-bottom: 8px; }

.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-bottom: 60px; }
.stat-item { display: flex; align-items: center; gap: 16px; padding: 20px 24px; }
.stat-icon { font-size: 32px; color: var(--primary); }
.stat-value { font-size: 28px; font-weight: 700; }
.stat-label { font-size: 14px; color: var(--text-secondary); }

.hero-features { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 20px; }
.feature-card { padding: 32px 24px; text-align: left; }
.feature-icon { font-size: 36px; color: var(--primary); margin-bottom: 16px; display: block; }
.feature-card h3 { font-size: 18px; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; }

/* ==== Glass Card ==== */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--glass-shadow);
}

/* ==== Page Layout ==== */
.page-container { max-width: 1100px; margin: 0 auto; padding: 32px 24px; }
.page-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 28px; flex-wrap: wrap; gap: 16px;
}
.page-header h1 { font-size: 24px; font-weight: 700; display: flex; align-items: center; gap: 10px; }
.page-header h1 i { color: var(--primary); }
.page-header p { color: var(--text-secondary); font-size: 14px; }

.header-balance {
    font-size: 16px; color: var(--text-secondary);
    padding: 8px 16px; background: var(--bg-secondary); border-radius: var(--radius-sm); border: 1px solid var(--border);
}
.header-balance strong { color: var(--primary); font-size: 18px; }

/* ==== Stats ==== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stats-grid.four-col { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.stats-grid.two-col { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.stat-card { display: flex; align-items: center; gap: 16px; padding: 20px 24px; }
.stat-card-icon {
    width: 48px; height: 48px; border-radius: var(--radius);
    background: var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px; flex-shrink: 0;
}
.stat-card-body { flex: 1; }
.stat-card-value { font-size: 24px; font-weight: 700; }
.stat-card-label { font-size: 13px; color: var(--text-secondary); margin-top: 2px; }

/* ==== Sections ==== */
.section, .chart-section, .recent-section {
    padding: 24px; margin-bottom: 20px;
}
.section-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 20px; flex-wrap: wrap; gap: 12px;
}
.section-header h3 { font-size: 16px; display: flex; align-items: center; gap: 8px; }
.section-header h3 i { color: var(--primary); }
.hint { color: var(--text-muted); font-size: 13px; }

.chart-wrapper { height: 300px; position: relative; }

/* ==== Tables ==== */
.table-responsive { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; }
.table th, .table td {
    padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.table th { font-weight: 600; color: var(--text-secondary); font-size: 13px; background: var(--bg-tertiary); }
.table tr { transition: background var(--transition); }
.table tr:hover { background: var(--bg-tertiary); }
.table-sm th, .table-sm td { padding: 8px 12px; font-size: 13px; }
.text-center { text-align: center; }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

.badge {
    display: inline-block; padding: 2px 10px; border-radius: 20px;
    font-size: 12px; font-weight: 500;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-danger { background: var(--danger-light); color: var(--danger); }
.badge-warning { background: var(--warning-light); color: var(--warning); }

.url-cell { max-width: 250px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.link-url-row { display: flex; align-items: center; gap: 4px; }
.actions-cell { display: flex; gap: 4px; flex-wrap: wrap; }

/* ==== Pagination ==== */
.pagination {
    display: flex; align-items: center; justify-content: center; gap: 8px;
    padding: 20px 0;
}
.page-info { font-size: 13px; color: var(--text-muted); margin-right: 8px; }

/* ==== Forms ==== */
.form-group { margin-bottom: 16px; }
.form-group label {
    display: block; margin-bottom: 6px;
    font-size: 14px; font-weight: 500; color: var(--text-secondary);
}
.form-group label i { color: var(--primary); margin-right: 4px; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 10px 14px; border: 1px solid var(--border);
    border-radius: var(--radius-sm); font-size: 14px;
    background: var(--bg-secondary); color: var(--text);
    transition: border-color var(--transition);
    font-family: var(--font);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--primary);
}
.required { color: var(--danger); }
.label-hint { font-weight: 400; color: var(--text-muted); font-size: 12px; }

.checkbox-group { display: flex; gap: 16px; flex-wrap: wrap; }
.checkbox-label {
    display: flex; align-items: center; gap: 6px;
    font-size: 14px; cursor: pointer; font-weight: 400;
}
.checkbox-label input[type="checkbox"] {
    width: 16px; height: 16px; accent-color: var(--primary);
}

.form-row { display: flex; gap: 16px; }
.form-row.two-col > .form-group { flex: 1; }
.form-hint { font-size: 13px; color: var(--text-muted); margin-top: 8px; }

.captcha-row { display: flex; gap: 12px; align-items: center; }
.captcha-row input { flex: 1; }
.captcha-img { height: 42px; border-radius: var(--radius-sm); cursor: pointer; border: 1px solid var(--border); }

.form-options {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 20px; font-size: 14px;
}

.search-form { display: flex; gap: 8px; align-items: center; }
.search-input {
    padding: 8px 14px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 14px; background: var(--bg-secondary); color: var(--text);
    min-width: 220px;
}
.search-input:focus { outline: none; border-color: var(--primary); }
.filter-form { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.date-input {
    padding: 7px 12px; border: 1px solid var(--border); border-radius: var(--radius-sm);
    font-size: 13px; background: var(--bg-secondary); color: var(--text);
}

/* ==== Auth Pages ==== */
.auth-page {
    display: flex; justify-content: center; align-items: center;
    min-height: calc(100vh - 200px); padding: 40px 24px;
}
.auth-card {
    width: 100%; max-width: 440px; padding: 40px;
}
.auth-header { text-align: center; margin-bottom: 32px; }
.auth-logo {
    width: 64px; height: 64px; border-radius: var(--radius);
    background: var(--primary-light); color: var(--primary);
    display: flex; align-items: center; justify-content: center;
    font-size: 32px; margin: 0 auto 16px;
}
.auth-header h2 { font-size: 24px; margin-bottom: 8px; }
.auth-header p { font-size: 14px; color: var(--text-secondary); }
.auth-switch { text-align: center; font-size: 14px; color: var(--text-secondary); margin-top: 20px; }

/* ==== Modal ==== */
.modal {
    display: none; position: fixed; inset: 0; z-index: 1000;
    align-items: center; justify-content: center; padding: 24px;
}
.modal-overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.4); }
.modal-content {
    position: relative; width: 100%; max-width: 520px;
    padding: 28px; max-height: 85vh; overflow-y: auto;
}
.modal-header {
    display: flex; align-items: center; justify-content: space-between;
    margin-bottom: 24px;
}
.modal-header h3 { font-size: 18px; display: flex; align-items: center; gap: 8px; }
.modal-header h3 i { color: var(--primary); }

/* ==== Admin Layout ==== */
.admin-container { display: flex; min-height: calc(100vh - 64px); }
.admin-sidebar {
    width: var(--sidebar-width); flex-shrink: 0; padding: 20px 0;
    border-right: 1px solid var(--border); border-radius: 0;
    background: var(--glass-bg) !important;
    position: sticky; top: 64px; height: calc(100vh - 64px);
    overflow-y: auto;
}
.sidebar-header { padding: 0 20px 16px; border-bottom: 1px solid var(--border); margin-bottom: 12px; }
.sidebar-header h3 { font-size: 16px; display: flex; align-items: center; gap: 8px; }
.sidebar-header h3 i { color: var(--primary); }
.sidebar-nav { display: flex; flex-direction: column; gap: 2px; padding: 0 12px; }
.sidebar-nav a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; border-radius: var(--radius-sm);
    color: var(--text-secondary); font-size: 14px; font-weight: 500;
    transition: all var(--transition);
}
.sidebar-nav a:hover, .sidebar-nav a.active { color: var(--primary); background: var(--primary-light); }
.sidebar-footer { padding: 16px 20px 0; border-top: 1px solid var(--border); margin-top: 12px; }
.sidebar-footer a { font-size: 13px; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
.admin-content { flex: 1; padding: 32px 32px 64px; min-width: 0; }

.admin-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(380px, 1fr)); gap: 20px; }

/* Tabs */
.tabs { display: flex; gap: 0; margin-bottom: 20px; border-bottom: 2px solid var(--border); }
.tab {
    padding: 10px 24px; font-size: 14px; font-weight: 500;
    color: var(--text-secondary); border-bottom: 2px solid transparent;
    margin-bottom: -2px; transition: all var(--transition);
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ==== Settings ==== */
.settings-grid { display: grid; gap: 20px; }
.settings-card { padding: 24px; }
.settings-card h3 { font-size: 16px; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.settings-card h3 i { color: var(--primary); }
.current-info { font-size: 14px; color: var(--text-secondary); margin-bottom: 16px; }
.info-list { display: flex; flex-direction: column; gap: 12px; }
.info-item { display: flex; justify-content: space-between; align-items: center; padding: 8px 0; border-bottom: 1px solid var(--border-light); }
.info-label { font-size: 14px; color: var(--text-secondary); }
.info-value { font-size: 14px; font-weight: 500; }
.settings-section { padding: 24px; margin-bottom: 20px; }
.settings-section h3 { font-size: 16px; margin-bottom: 20px; display: flex; align-items: center; gap: 8px; }
.settings-section h3 i { color: var(--primary); }

/* ==== Invite ==== */
.invite-banner { padding: 32px; margin-bottom: 24px; text-align: center; }
.invite-info h3 { font-size: 18px; margin-bottom: 16px; }
.invite-code-box {
    display: flex; align-items: center; justify-content: center; gap: 12px; margin-bottom: 12px;
}
.invite-code {
    font-size: 28px; font-weight: 700; letter-spacing: 0.1em;
    padding: 8px 24px; background: var(--primary-light);
    border-radius: var(--radius-sm); color: var(--primary);
}
.invite-link { font-size: 13px; color: var(--text-muted); word-break: break-all; margin-bottom: 8px; }
.invite-desc { font-size: 14px; color: var(--text-secondary); }

.withdraw-form { margin-top: 16px; }
.withdraw-form .form-row { display: flex; gap: 12px; align-items: flex-end; }
.withdraw-form .form-row .form-group { flex: 1; margin-bottom: 0; }
.withdraw-form .form-row .btn { flex-shrink: 0; }

/* ==== Theme Toggle ==== */
.theme-toggle .light-icon { display: none; }
.theme-toggle .dark-icon { display: block; }

/* ==== Footer ==== */
.footer {
    border-top: 1px solid var(--border); padding: 24px;
    text-align: center; background: var(--bg-secondary);
}
.footer-inner p { font-size: 13px; color: var(--text-muted); }
.footer-contact { margin-top: 4px; }

/* ==== Toast ==== */
.toast {
    position: fixed; top: 80px; right: 24px; z-index: 2000;
    padding: 12px 24px; border-radius: var(--radius-sm);
    font-size: 14px; box-shadow: var(--shadow);
    animation: slideIn 0.3s ease;
    max-width: 360px;
}
.toast.success { background: var(--success); color: #fff; }
.toast.error { background: var(--danger); color: #fff; }
.toast.info { background: var(--primary); color: #fff; }
@keyframes slideIn { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }

/* ==== Responsive ==== */
@media (max-width: 1024px) {
    .admin-sidebar { width: 200px; }
    .admin-content { padding: 24px 20px; }
    .admin-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .nav-desktop { display: none; }
    .mobile-menu-btn { display: flex; }
    .hero-stats { grid-template-columns: 1fr; }
    .hero-features { grid-template-columns: 1fr; }
    .generator-form .input-group { flex-direction: column; }
    .generator-result { flex-direction: column; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .admin-sidebar { display: none; }
    .admin-content { padding: 20px 16px; }
    .page-header { flex-direction: column; align-items: flex-start; }
    .filter-form { flex-wrap: wrap; }
    .form-row { flex-direction: column; }
    .withdraw-form .form-row { flex-direction: column; }
    .header-inner { padding: 0 16px; }
    .btn-user .user-email { display: none; }
}
@media (max-width: 480px) {
    .hero-title { font-size: 28px; }
    .hero-badge { font-size: 12px; }
    .stats-grid { grid-template-columns: 1fr; }
    .auth-card { padding: 28px 20px; }
    .modal-content { padding: 20px; }
    .link-generator { padding: 20px; }
}