/* ══════════════════════════════════════════════════
   快手CK管理系统 — 桌面端专属样式
   不支持移动端，最小宽度 1200px
   ══════════════════════════════════════════════════ */

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: #eef2ff;
    --success: #059669;
    --success-light: #ecfdf5;
    --danger: #dc2626;
    --danger-light: #fef2f2;
    --warning: #d97706;
    --warning-light: #fffbeb;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --radius: 10px;
    --radius-sm: 6px;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,.06), 0 2px 4px rgba(0,0,0,.04);
    --shadow-lg: 0 10px 15px rgba(0,0,0,.06), 0 4px 6px rgba(0,0,0,.04);
    --font: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans SC",sans-serif;
}

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

html { font-size: 14px; -webkit-font-smoothing: antialiased; }

body {
    font-family: var(--font);
    background: #f1f5f9;
    color: var(--gray-800);
    line-height: 1.6;
    min-width: 1200px;
}

/* ═══ Top Navigation ═══ */
.navbar {
    background: #fff;
    border-bottom: 1px solid var(--gray-200);
    height: 56px;
    display: flex;
    align-items: center;
    padding: 0 32px;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}
.navbar-brand {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    text-decoration: none;
    letter-spacing: -0.3px;
    margin-right: 40px;
    white-space: nowrap;
}
.navbar-brand:hover { color: var(--primary-hover); }
.navbar-nav {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
    flex: 1;
}
.nav-link {
    padding: 6px 16px;
    border-radius: var(--radius-sm);
    color: var(--gray-600);
    text-decoration: none;
    font-size: 13.5px;
    font-weight: 500;
    transition: all .15s;
    white-space: nowrap;
}
.nav-link:hover { background: var(--gray-100); color: var(--gray-900); }
.nav-link.active { background: var(--primary-light); color: var(--primary); }
.navbar-right {
    display: flex;
    align-items: center;
    gap: 16px;
}
.navbar-user {
    font-size: 13px;
    color: var(--gray-500);
    font-weight: 500;
}
.btn-logout {
    padding: 5px 14px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    background: #fff;
    color: var(--gray-600);
    font-size: 12.5px;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
    font-weight: 500;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-light); }

/* ═══ Main Content ═══ */
.main-container {
    width: 1240px;
    margin: 0 auto;
    padding: 28px 32px;
}

/* ═══ Page Header ═══ */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
}
.page-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--gray-900);
    letter-spacing: -0.3px;
}
.page-header .subtitle {
    font-size: 13px;
    color: var(--gray-400);
    margin-top: 2px;
}

/* ═══ Cards ═══ */
.card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    margin-bottom: 20px;
}
.card-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--gray-100);
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fafbfc;
    border-radius: var(--radius) var(--radius) 0 0;
}
.card-body { padding: 20px; }
.card-body.p-0 { padding: 0; }

/* ═══ Stat Cards ═══ */
.stat-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 24px;
}
.stat-card {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 22px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    box-shadow: var(--shadow-sm);
}
.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}
.stat-card .stat-label { font-size: 12.5px; color: var(--gray-400); font-weight: 500; margin-bottom: 4px; }
.stat-card .stat-value { font-size: 28px; font-weight: 800; color: var(--gray-900); letter-spacing: -0.5px; }
.stat-card.primary .stat-icon { background: var(--primary-light); color: var(--primary); }
.stat-card.success .stat-icon { background: var(--success-light); color: var(--success); }
.stat-card.warning .stat-icon { background: var(--warning-light); color: var(--warning); }

/* ═══ Tables ═══ */
.table-wrap {
    overflow-x: auto;
}
table {
    width: 100%;
    border-collapse: collapse;
}
table th {
    padding: 10px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: #fafbfc;
    border-bottom: 1px solid var(--gray-200);
    white-space: nowrap;
}
table td {
    padding: 10px 16px;
    font-size: 13.5px;
    border-bottom: 1px solid var(--gray-100);
    color: var(--gray-700);
}
table tbody tr:hover { background: #f8fafc; }
table tbody tr:last-child td { border-bottom: none; }
.table-empty {
    text-align: center;
    color: var(--gray-400);
    padding: 40px !important;
    font-size: 13.5px;
}

/* ═══ Forms ═══ */
.form-label {
    display: block;
    font-size: 12.5px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 5px;
}
.form-control, .form-select {
    width: 100%;
    padding: 8px 12px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-family: var(--font);
    color: var(--gray-800);
    background: #fff;
    transition: border-color .15s, box-shadow .15s;
    outline: none;
}
.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79,70,229,.1);
}
.form-control::placeholder { color: var(--gray-400); }
.form-text { font-size: 12px; color: var(--gray-400); margin-top: 4px; }

.form-row {
    display: flex;
    gap: 12px;
    align-items: flex-end;
}
.form-row > * { flex: 1; }

/* ═══ Buttons ═══ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    font-family: var(--font);
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: all .15s;
    white-space: nowrap;
    line-height: 1.5;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); box-shadow: 0 2px 8px rgba(79,70,229,.25); }
.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #047857; box-shadow: 0 2px 8px rgba(5,150,105,.25); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #b91c1c; box-shadow: 0 2px 8px rgba(220,38,38,.25); }
.btn-outline {
    background: #fff;
    border-color: var(--gray-300);
    color: var(--gray-700);
}
.btn-outline:hover { background: var(--gray-50); border-color: var(--gray-400); }
.btn-sm { padding: 5px 12px; font-size: 12.5px; }
.btn-lg { padding: 10px 24px; font-size: 14.5px; }
.btn:disabled { opacity: .5; pointer-events: none; transform: none; }

/* ═══ Badges ═══ */
.badge {
    display: inline-block;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}
.badge-success { background: var(--success-light); color: var(--success); }
.badge-primary { background: var(--primary-light); color: var(--primary); }
.badge-gray { background: var(--gray-100); color: var(--gray-500); }

/* ═══ Alerts ═══ */
.alert {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    margin-bottom: 16px;
    border: 1px solid transparent;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.alert-success { background: var(--success-light); color: #065f46; border-color: #a7f3d0; }
.alert-danger { background: var(--danger-light); color: #991b1b; border-color: #fecaca; }

/* ═══ Pagination ═══ */
.pagination-wrap {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 20px;
    border-top: 1px solid var(--gray-100);
}
.pagination-info { font-size: 13px; color: var(--gray-500); }
.pagination {
    display: flex;
    gap: 3px;
    list-style: none;
}
.pagination a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 0 8px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    color: var(--gray-600);
    text-decoration: none;
    border: 1px solid var(--gray-200);
    background: #fff;
    transition: all .15s;
}
.pagination a:hover { background: var(--gray-50); border-color: var(--gray-300); }
.pagination .active a { background: var(--primary); color: #fff; border-color: var(--primary); }
.pagination .disabled a { opacity: .4; pointer-events: none; }

/* ═══ Login Pages ═══ */
.login-body {
    background: #f1f5f9;
    min-width: 1200px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.login-card {
    background: #fff;
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    width: 400px;
    padding: 36px;
    border: 1px solid var(--gray-200);
}
.login-card h4 {
    font-size: 20px;
    font-weight: 700;
    text-align: center;
    color: var(--gray-900);
    margin-bottom: 4px;
    letter-spacing: -0.3px;
}
.login-card .login-sub {
    text-align: center;
    color: var(--gray-400);
    font-size: 13px;
    margin-bottom: 28px;
}
.login-card .form-group { margin-bottom: 18px; }
.login-card .btn { width: 100%; padding: 10px; }
.login-back {
    text-align: center;
    margin-top: 20px;
    font-size: 13px;
}
.login-back a { color: var(--gray-400); text-decoration: none; }
.login-back a:hover { color: var(--gray-600); }

/* ═══ Login Select Page ═══ */
.login-select {
    text-align: center;
}
.login-select h4 { margin-bottom: 8px; }
.login-select .login-options {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 28px;
}
.login-option {
    background: #fff;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 32px 28px;
    width: 200px;
    text-decoration: none;
    transition: all .2s;
    box-shadow: var(--shadow-sm);
}
.login-option:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
}
.login-option .icon { font-size: 36px; margin-bottom: 12px; }
.login-option .title { font-size: 15px; font-weight: 600; color: var(--gray-800); }
.login-option .desc { font-size: 12px; color: var(--gray-400); margin-top: 4px; }
.login-option.admin:hover { border-color: var(--primary); }
.login-option.agent:hover { border-color: var(--success); }

/* ═══ QR Index Page ═══ */
.qr-body {
    background: #f1f5f9;
    min-width: 1200px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font);
}
.qr-main {
    display: flex;
    gap: 40px;
    align-items: center;
}
.qr-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    width: 360px;
}
.qr-card h5 { font-size: 18px; font-weight: 700; color: var(--gray-900); margin-bottom: 4px; }
.qr-card .qr-sub { color: var(--gray-400); font-size: 13px; margin-bottom: 24px; }
.qr-img-wrap {
    width: 220px;
    height: 220px;
    border-radius: 12px;
    border: 1px solid var(--gray-200);
    margin: 0 auto 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafbfc;
    overflow: hidden;
    position: relative;
}
.qr-img-wrap img { width: 100%; height: 100%; object-fit: contain; transition: filter .3s, opacity .3s; }
.qr-img-wrap.scanned img { filter: blur(12px); opacity: .15; }
.qr-img-wrap.scanned::after {
    content: '已扫码，请在手机上确认';
    position: absolute;
    font-size: 14px;
    color: var(--gray-700);
    font-weight: 600;
    padding: 20px;
}
.qr-status { font-size: 13.5px; color: var(--gray-500); min-height: 20px; margin-bottom: 12px; }
.qr-status.done { color: var(--success); font-weight: 600; }
.qr-status.error { color: var(--danger); }
.btn-qr {
    display: inline-block;
    padding: 8px 24px;
    border-radius: var(--radius-sm);
    font-size: 13.5px;
    font-weight: 500;
    border: 1px solid var(--gray-300);
    background: #fff;
    color: var(--gray-700);
    cursor: pointer;
    transition: all .15s;
}
.btn-qr:hover { background: var(--gray-50); border-color: var(--gray-400); }
.btn-qr:disabled { opacity: .4; cursor: not-allowed; }

.qr-info {
    color: var(--gray-400);
    font-size: 13px;
    line-height: 2;
}
.qr-info strong { color: var(--gray-600); }
.qr-links {
    text-align: center;
    margin-top: 30px;
    display: flex;
    gap: 24px;
    justify-content: center;
}
.qr-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 13px;
    transition: color .15s;
}
.qr-links a:hover { color: var(--gray-600); }

/* ═══ Agent Dashboard ═══ */
.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}
.info-item {
    padding: 10px 14px;
    background: var(--gray-50);
    border-radius: var(--radius-sm);
}
.info-item .label { font-size: 12px; color: var(--gray-400); }
.info-item .value { font-size: 13.5px; color: var(--gray-800); font-weight: 500; }
.copy-input {
    display: flex;
    gap: 8px;
}
.copy-input input { flex: 1; }

/* ═══ Two Column Layout ═══ */
.two-col {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 20px;
}

/* ═══ Quick Actions ═══ */
.quick-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.quick-action {
    display: block;
    padding: 14px 16px;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-sm);
    text-decoration: none;
    transition: all .15s;
    background: #fff;
}
.quick-action:hover {
    border-color: var(--primary);
    background: var(--primary-light);
    transform: translateY(-1px);
}
.quick-action .title { font-size: 13.5px; font-weight: 600; color: var(--gray-800); }
.quick-action .desc { font-size: 12px; color: var(--gray-400); margin-top: 2px; }

/* ═══ Spinner ═══ */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin .7s linear infinite;
    vertical-align: middle;
    margin-right: 6px;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ═══ Utility ═══ */
.text-muted { color: var(--gray-400); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 16px; }
.mt-4 { margin-top: 24px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 16px; }
.mb-4 { margin-bottom: 24px; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }

/* ═══ Table Action Buttons ═══ */
.actions { display: flex; gap: 6px; }
.btn-action {
    padding: 4px 12px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
    border: 1px solid var(--gray-300);
    background: #fff;
    color: var(--gray-600);
    cursor: pointer;
    transition: all .12s;
    text-decoration: none;
    display: inline-block;
    line-height: 1.5;
    font-family: var(--font);
}
.btn-action:hover { background: var(--gray-50); border-color: var(--gray-400); }
.btn-action.primary { color: var(--primary); border-color: #c7d2fe; }
.btn-action.primary:hover { background: var(--primary-light); border-color: var(--primary); }
.btn-action.danger { color: var(--danger); border-color: #fecaca; }
.btn-action.danger:hover { background: var(--danger-light); border-color: var(--danger); }

/* ═══ Checkbox ═══ */
input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--primary);
    cursor: pointer;
}

/* ═══ Proxy IP Code Display ═══ */
code.proxy-ip {
    background: var(--success-light);
    color: #065f46;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 12.5px;
    font-weight: 600;
}

/* ═══ Pagination Bar (pagination + page size) ═══ */
.pagination-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    border-top: 1px solid var(--gray-100);
    background: #fff;
}
.pagination-bar .pagination-wrap {
    padding: 14px 0;
    border-top: none;
    flex: 1;
}
.page-size-selector {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--gray-500);
    white-space: nowrap;
}
.page-size-selector select {
    padding: 4px 8px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-family: var(--font);
    background: #fff;
    color: var(--gray-700);
    outline: none;
    cursor: pointer;
}
.page-size-selector select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(79,70,229,.1);
}

/* ═══ Filters Bar ═══ */
.filter-bar {
    display: flex;
    gap: 12px;
    align-items: flex-end;
    flex-wrap: wrap;
    margin-bottom: 16px;
}
.filter-bar .form-control,
.filter-bar .form-select { width: 160px; }