/* ============================================================
 * 云盾网络验证系统 · 液态玻璃 UI 框架
 * 设计语汇：
 *   - 液态玻璃拟态：半透明毛玻璃、高斯模糊、柔和内光
 *   - 贝塞尔曲线：圆润大圆角 + 弹性过渡
 *   - 克制配色：暖米白底 + 柔和靛蓝主色，拒绝花哨
 *   - 无描边方框、无终端机甲、无扫描线
 * ============================================================ */

:root {
    --bg-0: #eef1f6;            /* 最底层浅画布 */
    --bg-1: rgba(255,255,255,0.62);  /* 玻璃面板 */
    --bg-2: rgba(255,255,255,0.78);  /* 玻璃卡片 */
    --bg-3: rgba(255,255,255,0.9);   /* 悬浮/下拉 */
    --line: rgba(120,134,160,0.16);  /* 柔和描边 */
    --line-dim: rgba(120,134,160,0.10);
    --acc-primary: #5b6cff;     /* 主色：柔和靛蓝 */
    --acc-cyan: #5b6cff;        /* 兼容旧类名 */
    --acc-green: #34b98a;       /* 成功 */
    --acc-amber: #e8a33d;       /* 警示 */
    --acc-red: #e8606f;         /* 危险 */
    --acc-violet: #8b7cf6;      /* 特权/强调 */
    --txt-hi: #2b3142;          /* 主文字 */
    --txt-mid: #5f667a;         /* 次级 */
    --txt-dim: #98a0b3;         /* 弱化 */
    --mono: "SF Mono","JetBrains Mono","Consolas",monospace;
    --sans: -apple-system,BlinkMacSystemFont,'Segoe UI','PingFang SC','Hiragino Sans GB','Microsoft YaHei',sans-serif;
    --r-lg: 22px;               /* 大圆角（贝塞尔圆润） */
    --r-md: 16px;
    --r-sm: 12px;
    --ease: cubic-bezier(0.34, 1.4, 0.5, 1);  /* 弹性贝塞尔 */
    --glass-blur: 22px;
    --shadow: 0 10px 34px rgba(43, 52, 80, 0.10);
    --shadow-hover: 0 18px 46px rgba(43, 52, 80, 0.16);

    /* ===== 兼容别名（供个别页面内联样式的旧变量引用） ===== */
    --primary: #5b6cff;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --text-main: #2b3142;
    --text-light: #5f667a;
    --text-muted: #98a0b3;
    --text-hi: #2b3142;
    --bg-body: #eef1f6;
    --bg-sidebar: #e6eaf2;
    --card-shadow: 0 10px 34px rgba(43, 52, 80, 0.10);
    --radius: 22px;
}

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

html,body {
    background: var(--bg-0);
    color: var(--txt-hi);
    font-family: var(--sans);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* 全局柔和光斑背景（高斯模糊氛围） */
body::before {
    content:"";
    position: fixed; inset:-10%;
    z-index:-1;
    background:
        radial-gradient(34% 32% at 12% 18%, rgba(91,108,255,0.16), transparent 62%),
        radial-gradient(30% 30% at 88% 10%, rgba(52,185,138,0.12), transparent 60%),
        radial-gradient(36% 34% at 75% 88%, rgba(139,124,246,0.13), transparent 65%);
    filter: blur(20px);
    pointer-events:none;
}

/* 过渡小标题 */
.termline {
    font-size: 12px;
    color: var(--txt-mid);
    opacity:.85;
    padding: 3px 0;
    word-break: break-all;
}
.termline::before { content:"· "; color: var(--acc-primary); }
.termline.dim { color: var(--txt-dim); }
.termline.dim::before { content:"— "; color: var(--acc-violet); }

/* 顶栏 */
.topbar {
    background: var(--bg-2);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--line);
    box-shadow: 0 6px 24px rgba(43,52,80,0.05);
    padding: 13px 26px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky; top:0; z-index:100;
}
.topbar-left { display:flex; align-items:center; gap: 14px; }
.back-btn {
    color: var(--acc-primary);
    text-decoration:none;
    font-size: 13px;
    padding: 7px 16px;
    border-radius: var(--r-md);
    border:1px solid var(--line);
    background: var(--bg-3);
    transition: all .25s var(--ease);
}
.back-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow); }
.topbar-title {
    font-weight:600; font-size:15px;
    color: var(--txt-hi);
}
.topbar-title::before { content:"○ "; color: var(--acc-primary); font-size: 12px; }
.topbar-btn {
    display:inline-flex; align-items:center; gap:8px;
    background: var(--bg-3);
    color: var(--acc-primary);
    border:1px solid var(--line);
    padding:9px 20px;
    border-radius: var(--r-md);
    font-size:13px; font-weight:600;
    cursor:pointer; transition: all .25s var(--ease);
    text-decoration:none;
}
.topbar-btn:hover {
    background: var(--acc-primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(91,108,255,0.3);
}

.container { max-width: 1300px; margin:0 auto; padding: 26px; }

/* 面板（液态玻璃卡片） */
.panel {
    background: var(--bg-1);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow);
    margin-bottom: 22px;
    overflow: hidden;
    transition: box-shadow .3s var(--ease), transform .3s var(--ease);
}
.panel:hover { box-shadow: var(--shadow-hover); }
.panel-header {
    display:flex; align-items:center; justify-content:space-between;
    padding: 16px 22px;
    border-bottom: 1px solid var(--line);
    background: rgba(255,255,255,0.35);
}
.panel-header h2 {
    font-size:14px; font-weight:600;
    color: var(--txt-hi);
}
.panel-header h2::before { content:"◆ "; color: var(--acc-primary); font-size: 10px; }
.panel-body { padding: 22px; }

/* 告警 */
.alert {
    padding: 12px 18px;
    border-radius: var(--r-md);
    border:1px solid;
    font-size:13px;
    margin-bottom: 16px;
    backdrop-filter: blur(var(--glass-blur));
}
.alert-success { border-color: rgba(52,185,138,.35); color: #2b9a70; background: rgba(52,185,138,.10); }
.alert-error   { border-color: rgba(232,96,111,.35); color: #d34a5a; background: rgba(232,96,111,.10); }
.alert-warn    { border-color: rgba(232,163,61,.35); color: #c98a2e; background: rgba(232,163,61,.10); }
.alert-info    { border-color: rgba(91,108,255,.35); color: #4a5bd6; background: rgba(91,108,255,.10); }

/* 网格布局 */
.grid { display:grid; gap: 18px; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: repeat(3,1fr); }
.grid-4 { grid-template-columns: repeat(4,1fr); }

/* 表单 */
.form-group { margin-bottom: 16px; }
.form-group label {
    display:block;
    font-size:13px;
    font-weight:500;
    color: var(--txt-mid);
    margin-bottom:7px;
}
.form-control {
    width:100%;
    background: rgba(255,255,255,0.7);
    border:1px solid var(--line);
    border-radius: var(--r-md);
    color: var(--txt-hi);
    padding: 11px 14px;
    font-size:14px;
    transition: all .25s var(--ease);
    -webkit-appearance:none;
}
.form-control:focus {
    outline:none;
    border-color: var(--acc-primary);
    box-shadow: 0 0 0 3px rgba(91,108,255,0.15);
    background: #fff;
}
select.form-control { cursor: pointer; }
textarea.form-control { resize:vertical; min-height:80px; }
.form-hint { font-size:12px; color: var(--txt-dim); margin-top:5px; }

/* 主按钮 */
.btn {
    display:inline-flex; align-items:center; justify-content:center; gap:8px;
    padding: 10px 22px;
    font-size:13px; font-weight:600;
    cursor:pointer;
    border:none;
    border-radius: var(--r-md);
    transition: all .28s var(--ease);
    text-decoration:none;
    color: #fff;
    box-shadow: 0 6px 16px rgba(43,52,80,0.12);
}
.btn-cyan   { background: linear-gradient(135deg,#6d7bff,#5b6cff); }
.btn-green  { background: linear-gradient(135deg,#43c79c,#34b98a); }
.btn-amber  { background: linear-gradient(135deg,#f0b056,#e8a33d); }
.btn-red    { background: linear-gradient(135deg,#ec7a87,#e8606f); }
.btn-ghost  { background: rgba(255,255,255,0.6); color: var(--acc-primary); border:1px solid var(--line); }
.btn-ghost:hover { background:#fff; border-color: var(--acc-primary); }
.btn:hover  { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(43,52,80,0.2); }
.btn:active { transform: translateY(0) scale(0.98); }
.btn-block { width:100%; }

/* 小徽标 */
.badge {
    display:inline-block;
    font-size:11px; font-weight:600;
    padding: 3px 12px;
    border-radius: 30px;
    border:1px solid;
    backdrop-filter: blur(var(--glass-blur));
}
.badge-cyan  { color: #4a5bd6;  border-color: rgba(91,108,255,.3);  background: rgba(91,108,255,.10); }
.badge-green { color: #2b9a70;  border-color: rgba(52,185,138,.3);  background: rgba(52,185,138,.10); }
.badge-amber { color: #c98a2e;  border-color: rgba(232,163,61,.3);  background: rgba(232,163,61,.10); }
.badge-red   { color: #d34a5a;  border-color: rgba(232,96,111,.3);  background: rgba(232,96,111,.10); }
.badge-violet{ color: #7668e0;  border-color: rgba(139,124,246,.3); background: rgba(139,124,246,.10); }
.badge-dim   { color: var(--txt-mid); border-color: var(--line); background: rgba(255,255,255,0.5); }

/* 表格 */
.tbl-wrap { overflow-x:auto; }
.tbl {
    width:100%; border-collapse: collapse;
    font-size: 13px;
}
.tbl th {
    text-align:left;
    font-size:12px; font-weight:600;
    color: var(--txt-mid);
    padding: 12px 16px;
    border-bottom: 1px solid var(--line);
    background: rgba(255,255,255,0.35);
    white-space:nowrap;
    letter-spacing: .3px;
}
.tbl td {
    padding: 13px 16px;
    border-bottom: 1px solid var(--line-dim);
    color: var(--txt-mid);
    vertical-align:middle;
}
.tbl tbody tr { transition: background .2s var(--ease); }
.tbl tbody tr:hover { background: rgba(255,255,255,0.5); }
.tbl tbody tr:last-child td { border-bottom:none; }

.mono { font-family: var(--mono); font-size:12px; }
.txt-hi { color: var(--txt-hi); }
.txt-cyan { color: #5b6cff; }
.txt-green { color: #2b9a70; }
.txt-red { color: #d34a5a; }
.txt-amber { color: #c98a2e; }
.txt-dim { color: var(--txt-dim); }
.txt-mid { color: var(--txt-mid); }

/* 迷你操作按钮 */
.mini-btn {
    padding:5px 12px;
    font-size:12px;
    border:none; cursor:pointer;
    border-radius: var(--r-sm);
    background: rgba(255,255,255,0.55);
    text-decoration:none;
    transition: all .2s var(--ease);
    display:inline-flex; align-items:center; gap:4px;
    border:1px solid var(--line);
}
.mini-cyan  { color: #5b6cff; }
.mini-green { color: #2b9a70; }
.mini-red   { color: #d34a5a; }
.mini-amber { color: #c98a2e; }
.mini-cyan:hover  { background:#fff; border-color:#5b6cff; transform: translateY(-1px); }
.mini-green:hover { background:#fff; border-color:#34b98a; transform: translateY(-1px); }
.mini-red:hover   { background:#fff; border-color:#e8606f; transform: translateY(-1px); }
.mini-amber:hover { background:#fff; border-color:#e8a33d; transform: translateY(-1px); }

/* 数据卡片 */
.stat-strip { display:flex; gap:16px; flex-wrap:wrap; margin-bottom:22px; }
.stat-card {
    flex:1; min-width:180px;
    background: var(--bg-1);
    backdrop-filter: blur(var(--glass-blur));
    -webkit-backdrop-filter: blur(var(--glass-blur));
    border:1px solid var(--line);
    border-radius: var(--r-lg);
    padding: 20px 22px;
    box-shadow: var(--shadow);
    transition: all .3s var(--ease);
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content:"";
    position:absolute; top:-40%; right:-30%;
    width:120px; height:120px; border-radius:50%;
    background: radial-gradient(circle, rgba(255,255,255,0.5), transparent 70%);
}
.stat-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.stat-card .label {
    font-size:11px; letter-spacing:1px;
    color: var(--txt-dim); text-transform: uppercase;
}
.stat-card .value {
    font-size:26px; font-weight:700;
    color: var(--txt-hi); margin-top:8px;
}
.stat-card .value.green { color: #2b9a70; }
.stat-card .value.amber { color: #c98a2e; }
.stat-card .value.violet { color: #7668e0; }
.stat-card .value.red { color: #d34a5a; }

/* 分页 */
.pager { display:flex; gap:6px; margin-top:14px; align-items:center; }
.pager a {
    padding:6px 13px; font-size:13px;
    border-radius: var(--r-sm);
    border:1px solid var(--line); color: var(--txt-mid);
    text-decoration:none; transition:all .2s var(--ease);
    background: rgba(255,255,255,0.5);
}
.pager a:hover { border-color: var(--acc-primary); color: var(--acc-primary); transform: translateY(-1px); }
.pager a.cur { background: var(--acc-primary); color: #fff; border-color: var(--acc-primary); }
.pager-info { margin-right:auto; font-size:12px; color: var(--txt-dim); }

/* 空状态 */
.empty { text-align:center; padding:60px 20px; color: var(--txt-dim); font-size:13px; }
.empty::before { content:"◇ 暂无数据"; display:block; font-size:32px; color: var(--line); margin-bottom:14px; font-weight:300; }

/* 进度条 */
.prog { background: rgba(255,255,255,0.5); border:1px solid var(--line); height:8px; margin:8px 0; border-radius: 30px; overflow:hidden; }
.prog > div { height:100%; border-radius:30px; background: linear-gradient(90deg, var(--acc-primary), #8b7cf6); transition: width .4s var(--ease); }

/* 复制框（卡密等） */
.copy-cell { display:flex; align-items:center; gap:8px; }
.copy-cell code {
    font-family: var(--mono); color: var(--txt-hi); font-size:12px;
    background: rgba(255,255,255,0.7); padding:4px 8px; border-radius: 8px; border:1px solid var(--line-dim);
}

@media(max-width:860px){
    .grid-2, .grid-3, .grid-4 { grid-template-columns:1fr; }
    .container { padding:16px; }
}

/* ============ 扩展应用管理组件 ============ */

/* 复选框卡片 */
.form-check {
    display:flex; align-items:center; gap:8px;
    padding:11px 14px;
    border-radius: var(--r-md);
    border:1px solid var(--line);
    background: rgba(255,255,255,0.5);
    cursor:pointer; user-select:none;
    font-size:13px; color: var(--txt-mid);
    transition: all .2s var(--ease);
}
.form-check:hover { border-color: var(--acc-primary); transform: translateY(-1px); }
.form-check input { accent-color: var(--acc-primary); cursor:pointer; }

/* 分组小标题 */
.seg-title {
    font-size:12px; font-weight:600; letter-spacing:.5px;
    color: var(--acc-primary);
    margin: 18px 0 12px;
    padding-bottom:8px;
    border-bottom:1px dashed var(--line);
}
.seg-title::after { content:" …"; color: var(--txt-dim); }

/* 键值对 */
.kv { display:flex; align-items:center; gap:10px; padding:5px 0; margin-bottom:8px; font-size:13px; }
.kv > span { min-width:74px; font-size:12px; color:var(--txt-dim); }
.kv > code { flex:1; word-break:break-all; color:var(--txt-hi); background:rgba(255,255,255,0.7); padding:6px 10px; border-radius:8px; border:1px solid var(--line-dim); }

/* 应用卡片 */
.sw-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(330px,1fr)); gap:18px; }
.sw-card { margin-bottom:0; }
.sw-card:hover { border-color: var(--acc-primary); }
.sw-header { display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.sw-icon {
    width:46px; height:46px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    font-size:20px; color: var(--acc-primary);
    background: rgba(91,108,255,0.10); border-radius: var(--r-md);
}
.sw-name { font-size:15px; font-weight:600; color:var(--txt-hi); }
.sw-version { font-size:12px; color:var(--txt-dim); margin-top:2px; }
.sw-desc { color:var(--txt-mid); font-size:13px; line-height:1.6; margin-bottom:14px; min-height:38px; }
.sw-meta { display:flex; flex-wrap:wrap; gap:8px; padding-top:12px; border-top:1px solid var(--line-dim); margin-top:12px; }
.sw-actions { display:flex; gap:10px; margin-top:14px; }

/* 次要按钮 */
.btn-dim  { background: rgba(255,255,255,0.5); color: var(--txt-mid); border:1px solid var(--line); }
.btn-dim:hover  { color: var(--acc-primary); border-color: var(--acc-primary); }
.btn-ghost-cyan{ background: rgba(91,108,255,0.08); color: var(--acc-primary); border:1px solid rgba(91,108,255,0.2); }

/* 弱化 */
.block { display:block; }
.dim { opacity:.6; }

/* 确认弹窗 */
.modal-mask {
    position:fixed; inset:0; z-index:2000;
    background: rgba(43,52,80,0.35);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    display:flex; align-items:center; justify-content:center;
    padding: 20px;
}
.modal {
    width: min(440px, 92vw);
    background: var(--bg-3);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border:1px solid var(--line);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-hover);
    overflow: hidden;
    animation: modalIn .35s var(--ease);
}
@keyframes modalIn {
    from { opacity:0; transform: translateY(24px) scale(.96); }
    to   { opacity:1; transform: translateY(0) scale(1); }
}
.modal-title {
    font-size:14px; font-weight:600;
    color: var(--acc-red);
    padding:16px 22px; border-bottom:1px solid var(--line);
    background: rgba(232,96,111,0.06);
}
.modal-body { padding:20px 22px; font-size:13.5px; color:var(--txt-mid); line-height:1.7; }
.modal-body p { margin-bottom:8px; }
.modal-body b { color:var(--txt-hi); }
.modal-foot { display:flex; justify-content:flex-end; gap:10px; padding:16px 22px; border-top:1px solid var(--line); }
.modal-foot .btn { padding:9px 20px; }

/* ============ 侧边栏布局 ============ */
.sidebar {
    width: 240px;
    background: var(--bg-2);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-right: 1px solid var(--line);
    color: var(--txt-mid);
    min-height: 100vh;
    position: fixed;
    left: 0; top: 0;
    z-index: 900;
    display: flex;
    flex-direction: column;
    transition: transform .35s var(--ease);
}
.sidebar-header {
    padding: 20px 20px;
    border-bottom: 1px solid var(--line);
    display: flex; align-items: center; gap: 12px;
}
.sidebar-logo {
    width: 38px; height: 38px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    font-size: 1.1rem; color: #fff;
    background: linear-gradient(135deg,#7d8bff,#5b6cff);
    border-radius: var(--r-md);
    box-shadow: 0 6px 16px rgba(91,108,255,0.35);
}
.sidebar-title {
    font-size: 14px; font-weight: 700;
    color: var(--txt-hi); line-height: 1.3;
}
.sidebar-title small {
    display:block; font-size: 10px; font-weight:400;
    color: var(--txt-dim); letter-spacing: 1px; margin-top: 2px;
}
.sidebar-nav { flex: 1; padding: 14px 0; overflow-y: auto; }
.nav-group {
    padding: 14px 22px 6px;
    font-size: 11px; letter-spacing: 1px;
    color: var(--txt-dim); text-transform: uppercase;
    font-weight: 500;
}
.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 11px 22px;
    color: var(--txt-mid);
    text-decoration: none;
    font-size: 14px;
    font-weight: 500;
    border-radius: 0;
    transition: all .25s var(--ease);
    position: relative;
}
.nav-item:hover { color: var(--txt-hi); background: rgba(91,108,255,0.06); }
.nav-item.active {
    color: var(--acc-primary);
    background: rgba(91,108,255,0.10);
    font-weight: 600;
}
.nav-item.active::before {
    content:"";
    position:absolute; left:0; top:25%; bottom:25%; width:3px;
    background: linear-gradient(180deg,#7d8bff,#5b6cff);
    border-radius: 3px;
}
.nav-icon { font-size: .95rem; width: 22px; text-align: center; }
.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--line);
}
.user-info { display:flex; align-items:center; gap: 11px; margin-bottom: 12px; }
.avatar {
    width: 36px; height: 36px; flex-shrink:0;
    display:flex; align-items:center; justify-content:center;
    font-size: 14px; font-weight:700;
    color:#fff;
    background: linear-gradient(135deg,#6d7bff,#8b7cf6);
    border-radius: 50%;
    box-shadow: 0 4px 12px rgba(91,108,255,0.3);
}
.user-meta { flex:1; overflow:hidden; }
.user-name {
    color: var(--txt-hi); font-size: 13px; font-weight: 600;
    white-space: nowrap; overflow:hidden; text-overflow: ellipsis;
}
.user-role { font-size: 11px; letter-spacing:.5px; color: var(--txt-dim); }
.logout-btn {
    display: flex; align-items:center; justify-content:center; gap:8px;
    padding: 10px;
    border-radius: var(--r-md);
    border: 1px solid var(--line);
    color: var(--txt-mid);
    text-decoration:none;
    font-size: 13px;
    transition: all .25s var(--ease);
    background: rgba(255,255,255,0.4);
}
.logout-btn:hover { color: var(--acc-red); border-color: var(--acc-red); background: rgba(232,96,111,0.06); }

/* 主内容区 */
.main {
    flex: 1;
    margin-left: 240px;
    padding: 28px 34px;
    min-height: 100vh;
}
.main-header {
    display:flex; align-items:center; justify-content:space-between;
    margin-bottom: 26px;
}
.main-title h1 {
    font-size: 22px; font-weight:700;
    color: var(--txt-hi);
    letter-spacing: .3px;
}
.main-title p { font-size: 13px; color: var(--txt-dim); margin-top: 4px; }
.author-at { font-size:12px; color:var(--txt-dim); }

/* 过滤条 */
.filter-bar { display:flex; gap:12px; flex-wrap:wrap; align-items:center; }
.filter-bar select,
.filter-bar input[type=text],
.filter-bar input[type=search] {
    background: rgba(255,255,255,0.6);
    border:1px solid var(--line); color: var(--txt-hi);
    padding: 9px 14px; font-size: 13px;
    border-radius: var(--r-md);
    transition: all .2s var(--ease);
}
.filter-bar select:focus,
.filter-bar input:focus { outline:none; border-color: var(--acc-primary); box-shadow: 0 0 0 3px rgba(91,108,255,0.12); background:#fff; }

/* Tab 切换 */
.tabs { display:flex; gap:10px; margin-bottom: 22px; flex-wrap: wrap; }
.tab-btn {
    padding: 10px 20px;
    border-radius: var(--r-md);
    border: 1px solid var(--line);
    color: var(--txt-mid);
    text-decoration:none;
    font-size: 13px;
    font-weight: 500;
    background: rgba(255,255,255,0.5);
    transition: all .25s var(--ease);
}
.tab-btn:hover { border-color: var(--acc-primary); color: var(--acc-primary); transform: translateY(-1px); }
.tab-btn.active {
    background: linear-gradient(135deg,#7d8bff,#5b6cff);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 8px 20px rgba(91,108,255,0.3);
}

@media(max-width: 900px){
    .sidebar { transform: translateX(-100%); box-shadow: none; }
    .main { margin-left: 0; padding: 18px; }
}