/* ============================================
   人生K线图 · 主样式表
   ============================================ */

:root {
    --primary: #3b82f6;
    --primary-dark: #2563eb;
    --primary-light: #dbeafe;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --pink: #ec4899;
    --purple: #8b5cf6;
    --bg: #f8fafc;
    --bg-card: #ffffff;
    --text: #1e293b;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: 0.2s ease;
}

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

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

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

/* ==================== Header ==================== */
.site-header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}
.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    height: 60px;
    gap: 20px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text);
    white-space: nowrap;
}
.logo-icon { font-size: 24px; }
.main-nav {
    display: flex;
    gap: 4px;
    flex: 1;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
}
.main-nav::-webkit-scrollbar { display: none; }
.main-nav a {
    padding: 8px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text-secondary);
    white-space: nowrap;
    transition: var(--transition);
}
.main-nav a:hover { background: var(--primary-light); color: var(--primary); }
.user-area { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.user-dropdown { position: relative; }
.user-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    border: 1px solid var(--border);
    border-radius: 20px;
    background: var(--bg-card);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}
.user-btn:hover { border-color: var(--primary); }
.user-avatar {
    width: 28px; height: 28px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 600;
}
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-lg);
    min-width: 150px;
    z-index: 200;
}
.dropdown-menu.active { display: block; }
.dropdown-menu a {
    display: block;
    padding: 10px 16px;
    font-size: 14px;
    color: var(--text);
    transition: var(--transition);
}
.dropdown-menu a:hover { background: var(--bg); }

.badge {
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 10px;
    font-weight: 600;
}
.badge-vip { background: #fef3c7; color: #92400e; }
.badge-paid { background: #dbeafe; color: #1e40af; }

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); color: #fff; }
.btn-outline { background: transparent; border-color: var(--border); color: var(--text); }
.btn-outline:hover { border-color: var(--primary); color: var(--primary); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-sm { padding: 6px 14px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn-block { width: 100%; }

/* ==================== Main Content ==================== */
.site-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    min-height: calc(100vh - 160px);
}

/* ==================== Cards ==================== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.card-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ==================== Forms ==================== */
.form-group {
    margin-bottom: 16px;
}
.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 6px;
    color: var(--text-secondary);
}
.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;
    transition: var(--transition);
    background: var(--bg-card);
    color: var(--text);
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
}

/* ==================== Modal ==================== */
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}
.modal-overlay.active { display: flex; }
.modal-dialog {
    background: var(--bg-card);
    border-radius: var(--radius);
    padding: 30px;
    max-width: 420px;
    width: 90%;
    position: relative;
    box-shadow: var(--shadow-lg);
}
.modal-close {
    position: absolute;
    top: 12px;
    right: 16px;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
}
.modal-title { font-size: 20px; margin-bottom: 20px; text-align: center; }

.pay-tabs {
    display: flex;
    gap: 0;
    margin-bottom: 20px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden;
}
.pay-tab {
    flex: 1;
    padding: 10px;
    border: none;
    background: var(--bg);
    cursor: pointer;
    font-size: 14px;
    transition: var(--transition);
}
.pay-tab.active { background: var(--primary); color: #fff; }
.qr-panel { display: none; text-align: center; }
.qr-panel.active { display: block; }
.pay-price { font-size: 28px; font-weight: 700; color: var(--danger); margin: 10px 0; }
.qr-img { width: 200px; height: 200px; object-fit: contain; margin: 10px 0; }
.pay-hint { font-size: 13px; color: var(--text-secondary); }
.pay-actions { margin-top: 20px; display: flex; flex-direction: column; gap: 10px; }

/* ==================== Footer ==================== */
.site-footer {
    background: var(--bg-card);
    border-top: 1px solid var(--border);
    padding: 20px;
    text-align: center;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}
.footer-links a { font-size: 14px; color: var(--text-secondary); }
.footer-info p { font-size: 13px; color: var(--text-secondary); margin: 4px 0; }

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

/* ==================== Alerts ==================== */
.alert {
    padding: 14px 18px;
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
    font-size: 14px;
}
.alert-info { background: #dbeafe; color: #1e40af; border: 1px solid #bfdbfe; }
.alert-success { background: #d1fae5; color: #065f46; border: 1px solid #a7f3d0; }
.alert-warning { background: #fef3c7; color: #92400e; border: 1px solid #fde68a; }
.alert-danger { background: #fee2e2; color: #991b1b; border: 1px solid #fecaca; }

/* ==================== Locked Content ==================== */
.locked-section {
    text-align: center;
    padding: 40px 20px;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    border-radius: var(--radius);
    border: 2px dashed var(--border);
}
.locked-section .lock-icon { font-size: 48px; margin-bottom: 12px; }
.locked-section h3 { font-size: 18px; margin-bottom: 8px; }
.locked-section p { color: var(--text-secondary); margin-bottom: 16px; font-size: 14px; }
.locked-features {
    display: flex;
    justify-content: center;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.locked-features span {
    background: var(--bg-card);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 13px;
    border: 1px solid var(--border);
}

/* ==================== K-line specific ==================== */
.dayun-rainbow-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
    gap: 4px;
    margin: 10px 0;
}
.dayun-cell {
    padding: 6px 4px;
    text-align: center;
    border-radius: 4px;
    font-size: 11px;
    color: #fff;
    font-weight: 600;
}

/* ==================== Upgrade page ==================== */
.plan-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 20px;
}
.plan-card {
    background: var(--bg-card);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}
.plan-card:hover { border-color: var(--primary); box-shadow: var(--shadow-lg); }
.plan-card.featured { border-color: var(--primary); background: var(--primary-light); }
.plan-name { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.plan-price { font-size: 32px; font-weight: 800; color: var(--primary); margin: 12px 0; }
.plan-price small { font-size: 14px; font-weight: 400; color: var(--text-secondary); }
.plan-features { list-style: none; margin: 16px 0; text-align: left; }
.plan-features li { padding: 6px 0; font-size: 14px; }
.plan-features li::before { content: '✅ '; }

/* ==================== Messages ==================== */
.msg-list { margin-bottom: 20px; }
.msg-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    margin-bottom: 12px;
}
.msg-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}
.msg-content { font-size: 14px; margin-bottom: 8px; }
.msg-reply {
    background: var(--bg);
    padding: 12px;
    border-radius: var(--radius-sm);
    margin-top: 8px;
    font-size: 14px;
    border-left: 3px solid var(--primary);
}

/* ==================== Business page ==================== */
.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}
.business-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    text-align: center;
    transition: var(--transition);
}
.business-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-2px); }
.business-icon { font-size: 48px; margin-bottom: 12px; }
.business-card h3 { font-size: 18px; margin-bottom: 8px; }
.business-card p { color: var(--text-secondary); font-size: 14px; margin-bottom: 16px; }

/* ==================== Profile ==================== */
.profile-grid {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 20px;
}
.profile-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
}
.profile-avatar {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: var(--primary);
    color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-size: 32px; font-weight: 700;
    margin: 0 auto 12px;
}

/* ==================== Admin ==================== */
.admin-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    gap: 20px;
    min-height: calc(100vh - 200px);
}
.admin-sidebar {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}
.admin-sidebar a {
    display: block;
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text);
    margin-bottom: 4px;
    transition: var(--transition);
}
.admin-sidebar a:hover,
.admin-sidebar a.active { background: var(--primary-light); color: var(--primary); }
.admin-content {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
}

/* ==================== Stats ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 20px;
    text-align: center;
}
.stat-value { font-size: 28px; font-weight: 700; color: var(--primary); }
.stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

/* ==================== Pagination ==================== */
.pagination {
    display: flex;
    justify-content: center;
    gap: 4px;
    margin-top: 20px;
}
.pagination a, .pagination span {
    padding: 8px 14px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 14px;
    color: var(--text);
    transition: var(--transition);
}
.pagination a:hover { background: var(--primary-light); color: var(--primary); }
.pagination .active { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ==================== Mobile menu button ==================== */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
}

/* ==================== Utility ==================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-secondary); }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-2 { gap: 16px; }
.flex-wrap { flex-wrap: wrap; }

/* ==================== Tab Navigation ==================== */
.tab-nav { border-bottom: 2px solid var(--border); }
.tab-btn {
    padding: 10px 18px;
    border: none;
    background: transparent;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: var(--transition);
    white-space: nowrap;
}
.tab-btn:hover { color: var(--primary); }
.tab-btn.active { color: var(--primary); border-bottom-color: var(--primary); }
.tab-panel { animation: fadeIn 0.3s ease; }

/* ==================== Payment Modal ==================== */
.pay-tabs { display: flex; gap: 0; margin-bottom: 16px; }
.pay-tab {
    flex: 1;
    padding: 10px;
    border: 1px solid var(--border);
    background: var(--bg);
    cursor: pointer;
    font-size: 14px;
    text-align: center;
    transition: var(--transition);
}
.pay-tab:first-child { border-radius: var(--radius-sm) 0 0 var(--radius-sm); }
.pay-tab:last-child { border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.pay-tab.active { background: var(--primary); color: #fff; border-color: var(--primary); }
.qr-panel { display: none; text-align: center; }
.qr-panel.active { display: block; }
.pay-price { font-size: 36px; font-weight: 800; color: var(--primary); margin: 12px 0; }
.pay-hint { font-size: 13px; color: var(--text-secondary); margin-top: 8px; }
.pay-actions { margin-top: 16px; display: flex; flex-direction: column; gap: 8px; }
.qr-img { max-width: 200px; width: 100%; height: auto; }

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }