/* =============================================
   远辰智联 管理后台样式
   ============================================= */

:root {
    --admin-bg: #0d1117;
    --admin-sidebar: #161b22;
    --admin-card: #1c2128;
    --admin-border: #30363d;
    --admin-text: #e6edf3;
    --admin-muted: #7d8590;
    --admin-primary: #0a66c2;
    --admin-primary-light: #1f7de0;
    --admin-accent: #ff6b35;
    --admin-success: #2da44e;
    --admin-danger: #f85149;
    --admin-warning: #d29922;
    --admin-hover: rgba(255,255,255,0.04);
    --admin-active: rgba(10,102,194,0.15);
    --admin-radius: 10px;
    --admin-radius-sm: 6px;
    --admin-transition: 0.2s cubic-bezier(0.4,0,0.2,1);
    --admin-shadow: 0 4px 16px rgba(0,0,0,0.3);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }

body {
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', Arial, sans-serif;
    background: var(--admin-bg);
    color: var(--admin-text);
    font-size: 14px;
    line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; }

::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--admin-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--admin-muted); }

/* =============================================
   LOGIN PAGE
   ============================================= */
.admin-login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--admin-bg);
    position: relative;
    overflow: hidden;
}
.login-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(10,102,194,0.12) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,107,53,0.08) 0%, transparent 40%),
        radial-gradient(circle at 60% 80%, rgba(10,102,194,0.06) 0%, transparent 35%);
}
.login-bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(255,255,255,0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.02) 1px, transparent 1px);
    background-size: 48px 48px;
}
.login-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 420px;
    padding: 20px;
}
.login-card {
    background: var(--admin-sidebar);
    border: 1px solid var(--admin-border);
    border-radius: 20px;
    padding: 48px 44px;
    box-shadow: 0 32px 80px rgba(0,0,0,0.5);
}
.login-logo {
    text-align: center;
    margin-bottom: 36px;
}
.login-logo-icon {
    width: 64px; height: 64px;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-accent));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 900;
    color: white;
    margin: 0 auto 16px;
    box-shadow: 0 8px 24px rgba(10,102,194,0.35);
}
.login-logo h1 {
    font-size: 22px;
    font-weight: 800;
    color: var(--admin-text);
}
.login-logo p {
    font-size: 13px;
    color: var(--admin-muted);
    margin-top: 4px;
}
.form-group { margin-bottom: 20px; }
.form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--admin-text);
    margin-bottom: 8px;
}
.form-input {
    width: 100%;
    padding: 12px 16px;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    color: var(--admin-text);
    font-size: 14px;
    transition: border-color var(--admin-transition), box-shadow var(--admin-transition);
    outline: none;
}
.form-input:focus {
    border-color: var(--admin-primary);
    box-shadow: 0 0 0 3px rgba(10,102,194,0.15);
}
.form-input::placeholder { color: var(--admin-muted); }
.input-wrapper { position: relative; }
.input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--admin-muted);
    font-size: 15px;
    pointer-events: none;
}
.input-wrapper .form-input { padding-left: 42px; }
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 24px;
}
.form-check input[type="checkbox"] { accent-color: var(--admin-primary); }
.form-check label { font-size: 13px; color: var(--admin-muted); cursor: pointer; }
.btn-login {
    width: 100%;
    padding: 13px;
    background: var(--admin-primary);
    color: white;
    border: none;
    border-radius: var(--admin-radius-sm);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--admin-transition);
    letter-spacing: 0.3px;
}
.btn-login:hover {
    background: var(--admin-primary-light);
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(10,102,194,0.4);
}
.login-error {
    padding: 12px 16px;
    background: rgba(248,81,73,0.1);
    border: 1px solid rgba(248,81,73,0.3);
    border-radius: var(--admin-radius-sm);
    color: #ff6b6b;
    font-size: 13px;
    margin-bottom: 20px;
}
.login-footer {
    text-align: center;
    margin-top: 28px;
    font-size: 12px;
    color: var(--admin-muted);
}
.login-footer a { color: var(--admin-primary); transition: color var(--admin-transition); }
.login-footer a:hover { color: var(--admin-primary-light); }

/* =============================================
   ADMIN LAYOUT
   ============================================= */
.admin-layout {
    display: flex;
    min-height: 100vh;
}

/* SIDEBAR */
.admin-sidebar {
    width: 256px;
    background: var(--admin-sidebar);
    border-right: 1px solid var(--admin-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 100;
    transition: transform var(--admin-transition);
    overflow-y: auto;
}
.sidebar-header {
    padding: 20px 20px 16px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    gap: 12px;
}
.sidebar-logo {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-accent));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 16px;
    color: white;
    flex-shrink: 0;
}
.sidebar-title { font-size: 13.5px; font-weight: 700; color: var(--admin-text); line-height: 1.2; }
.sidebar-subtitle { font-size: 11px; color: var(--admin-muted); }
.sidebar-nav { padding: 12px 12px; flex: 1; }
.nav-section-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--admin-muted);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 8px 8px 6px;
    margin-top: 8px;
}
.sidebar-link {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--admin-radius-sm);
    font-size: 13.5px;
    color: var(--admin-muted);
    transition: all var(--admin-transition);
    margin-bottom: 2px;
}
.sidebar-link:hover {
    background: var(--admin-hover);
    color: var(--admin-text);
}
.sidebar-link.active {
    background: var(--admin-active);
    color: #58a6ff;
    font-weight: 600;
}
.sidebar-link .icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-badge {
    margin-left: auto;
    padding: 1px 7px;
    background: var(--admin-primary);
    color: white;
    border-radius: 10px;
    font-size: 11px;
    font-weight: 700;
}
.sidebar-footer {
    padding: 16px 12px;
    border-top: 1px solid var(--admin-border);
}
.sidebar-user {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border-radius: var(--admin-radius-sm);
    transition: background var(--admin-transition);
    cursor: pointer;
}
.sidebar-user:hover { background: var(--admin-hover); }
.user-avatar {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--admin-primary), var(--admin-accent));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    color: white;
    flex-shrink: 0;
}
.user-info { flex: 1; overflow: hidden; }
.user-name { font-size: 13px; font-weight: 600; color: var(--admin-text); }
.user-role { font-size: 11px; color: var(--admin-muted); }
.user-logout { color: var(--admin-muted); font-size: 15px; cursor: pointer; transition: color var(--admin-transition); }
.user-logout:hover { color: var(--admin-danger); }

/* MAIN */
.admin-main {
    flex: 1;
    margin-left: 256px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}
.admin-topbar {
    height: 60px;
    background: var(--admin-sidebar);
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 28px;
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-left { display: flex; align-items: center; gap: 16px; }
.topbar-title { font-size: 16px; font-weight: 700; color: var(--admin-text); }
.topbar-breadcrumb { font-size: 13px; color: var(--admin-muted); }
.topbar-right { display: flex; align-items: center; gap: 12px; }
.topbar-btn {
    width: 36px; height: 36px;
    background: var(--admin-hover);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--admin-muted);
    cursor: pointer;
    transition: all var(--admin-transition);
    font-size: 15px;
}
.topbar-btn:hover { background: rgba(255,255,255,0.08); color: var(--admin-text); }
.admin-content { padding: 28px; flex: 1; }

/* STATS CARDS */
.stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}
.stat-block {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 22px 24px;
    position: relative;
    overflow: hidden;
    transition: all var(--admin-transition);
}
.stat-block:hover { border-color: rgba(10,102,194,0.3); transform: translateY(-2px); }
.stat-block::after {
    content: '';
    position: absolute;
    top: 0; right: 0;
    width: 80px; height: 80px;
    border-radius: 50%;
    opacity: 0.05;
    transform: translate(20px, -20px);
}
.stat-block.blue::after { background: var(--admin-primary); }
.stat-block.orange::after { background: var(--admin-accent); }
.stat-block.green::after { background: var(--admin-success); }
.stat-block.red::after { background: var(--admin-danger); }
.stat-icon {
    width: 44px; height: 44px;
    border-radius: var(--admin-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin-bottom: 16px;
}
.stat-icon.blue { background: rgba(10,102,194,0.15); color: #58a6ff; }
.stat-icon.orange { background: rgba(255,107,53,0.15); color: var(--admin-accent); }
.stat-icon.green { background: rgba(45,164,78,0.15); color: #56d364; }
.stat-icon.red { background: rgba(248,81,73,0.15); color: var(--admin-danger); }
.stat-num { font-size: 30px; font-weight: 800; color: var(--admin-text); line-height: 1; margin-bottom: 6px; }
.stat-label { font-size: 13px; color: var(--admin-muted); }
.stat-trend {
    position: absolute;
    top: 22px; right: 24px;
    font-size: 12px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 3px;
}
.stat-trend.up { color: var(--admin-success); }
.stat-trend.down { color: var(--admin-danger); }

/* ADMIN CARD */
.admin-card {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    overflow: hidden;
    margin-bottom: 24px;
}
.admin-card-header {
    padding: 16px 22px;
    border-bottom: 1px solid var(--admin-border);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}
.admin-card-header h3 { font-size: 15px; font-weight: 700; color: var(--admin-text); }
.admin-card-body { padding: 22px; }

/* TABLE */
.admin-table-wrap { overflow-x: auto; }
.admin-table {
    width: 100%;
    border-collapse: collapse;
}
.admin-table th {
    padding: 11px 16px;
    text-align: left;
    font-size: 12px;
    font-weight: 700;
    color: var(--admin-muted);
    text-transform: uppercase;
    letter-spacing: 0.8px;
    border-bottom: 1px solid var(--admin-border);
    white-space: nowrap;
    background: rgba(255,255,255,0.01);
}
.admin-table td {
    padding: 13px 16px;
    font-size: 13.5px;
    color: var(--admin-text);
    border-bottom: 1px solid rgba(48,54,61,0.5);
    vertical-align: middle;
}
.admin-table tr:last-child td { border-bottom: none; }
.admin-table tr:hover td { background: var(--admin-hover); }
.admin-table .title-cell { max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* BADGES */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 600;
}
.badge-success { background: rgba(45,164,78,0.12); color: #56d364; }
.badge-danger { background: rgba(248,81,73,0.12); color: var(--admin-danger); }
.badge-warning { background: rgba(210,153,34,0.12); color: #e3b341; }
.badge-info { background: rgba(10,102,194,0.12); color: #58a6ff; }
.badge-neutral { background: rgba(125,133,144,0.12); color: var(--admin-muted); }

/* ADMIN BTNs */
.btn-admin {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: var(--admin-radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--admin-transition);
    border: 1px solid transparent;
    white-space: nowrap;
}
.btn-admin-primary { background: var(--admin-primary); color: white; }
.btn-admin-primary:hover { background: var(--admin-primary-light); box-shadow: 0 4px 12px rgba(10,102,194,0.35); }
.btn-admin-outline {
    background: transparent;
    border-color: var(--admin-border);
    color: var(--admin-muted);
}
.btn-admin-outline:hover { border-color: var(--admin-text); color: var(--admin-text); background: var(--admin-hover); }
.btn-admin-danger { background: rgba(248,81,73,0.1); border-color: rgba(248,81,73,0.3); color: var(--admin-danger); }
.btn-admin-danger:hover { background: var(--admin-danger); color: white; }
.btn-admin-success { background: rgba(45,164,78,0.1); border-color: rgba(45,164,78,0.3); color: #56d364; }
.btn-admin-success:hover { background: var(--admin-success); color: white; }
.btn-sm { padding: 5px 11px; font-size: 12px; }

/* FORM */
.admin-form .form-group { margin-bottom: 20px; }
.admin-form .form-label { display: block; font-size: 13px; font-weight: 600; color: var(--admin-text); margin-bottom: 8px; }
.admin-form .form-label .req { color: var(--admin-danger); margin-left: 3px; }
.admin-form .form-control {
    width: 100%;
    padding: 10px 14px;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    color: var(--admin-text);
    font-size: 14px;
    transition: border-color var(--admin-transition), box-shadow var(--admin-transition);
    outline: none;
    font-family: inherit;
}
.admin-form .form-control:focus { border-color: var(--admin-primary); box-shadow: 0 0 0 3px rgba(10,102,194,0.12); }
.admin-form .form-control::placeholder { color: var(--admin-muted); }
.admin-form textarea.form-control { min-height: 120px; resize: vertical; }
.admin-form select.form-control { cursor: pointer; }
.form-hint { font-size: 12px; color: var(--admin-muted); margin-top: 5px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    padding-top: 20px;
    border-top: 1px solid var(--admin-border);
    margin-top: 8px;
}

/* SEARCH BAR */
.search-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}
.search-input-wrap { position: relative; }
.search-input-wrap input {
    padding: 9px 14px 9px 38px;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    color: var(--admin-text);
    font-size: 13.5px;
    width: 280px;
    outline: none;
    transition: border-color var(--admin-transition);
}
.search-input-wrap input:focus { border-color: var(--admin-primary); }
.search-input-wrap input::placeholder { color: var(--admin-muted); }
.search-icon {
    position: absolute;
    left: 12px; top: 50%;
    transform: translateY(-50%);
    color: var(--admin-muted);
    font-size: 14px;
    pointer-events: none;
}
.filter-select {
    padding: 9px 14px;
    background: var(--admin-bg);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius-sm);
    color: var(--admin-text);
    font-size: 13px;
    cursor: pointer;
    outline: none;
}

/* PAGINATION */
.admin-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 22px;
    border-top: 1px solid var(--admin-border);
    font-size: 13px;
    color: var(--admin-muted);
}
.pagination-btns { display: flex; gap: 6px; }
.pag-btn {
    width: 34px; height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--admin-radius-sm);
    border: 1px solid var(--admin-border);
    background: var(--admin-bg);
    color: var(--admin-muted);
    cursor: pointer;
    transition: all var(--admin-transition);
    font-size: 13px;
}
.pag-btn:hover { border-color: var(--admin-primary); color: var(--admin-text); }
.pag-btn.active { background: var(--admin-primary); border-color: var(--admin-primary); color: white; }

/* ALERT */
.admin-alert {
    padding: 12px 16px;
    border-radius: var(--admin-radius-sm);
    font-size: 13.5px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.admin-alert-success { background: rgba(45,164,78,0.1); border: 1px solid rgba(45,164,78,0.25); color: #56d364; }
.admin-alert-danger { background: rgba(248,81,73,0.1); border: 1px solid rgba(248,81,73,0.25); color: var(--admin-danger); }
.admin-alert-info { background: rgba(10,102,194,0.1); border: 1px solid rgba(10,102,194,0.25); color: #58a6ff; }

/* QUICK ACTIONS */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 28px;
}
.quick-action {
    background: var(--admin-card);
    border: 1px solid var(--admin-border);
    border-radius: var(--admin-radius);
    padding: 18px;
    display: flex;
    align-items: center;
    gap: 14px;
    cursor: pointer;
    transition: all var(--admin-transition);
    text-decoration: none;
    color: inherit;
}
.quick-action:hover {
    border-color: rgba(10,102,194,0.3);
    background: rgba(10,102,194,0.05);
    transform: translateY(-2px);
}
.quick-action .qa-icon {
    width: 42px; height: 42px;
    border-radius: var(--admin-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}
.quick-action .qa-text strong { display: block; font-size: 13.5px; font-weight: 700; color: var(--admin-text); }
.quick-action .qa-text span { font-size: 12px; color: var(--admin-muted); }

/* RESPONSIVE */
@media (max-width: 1024px) {
    .stats-row { grid-template-columns: repeat(2, 1fr); }
    .quick-actions { grid-template-columns: repeat(2, 1fr); }
    .form-row { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .admin-sidebar { transform: translateX(-100%); }
    .admin-sidebar.open { transform: translateX(0); }
    .admin-main { margin-left: 0; }
    .stats-row { grid-template-columns: 1fr 1fr; }
    .admin-content { padding: 16px; }
}