/* ===================================================
   宸智智慧旅游管理平台 - 后台样式
   主色：暖灰 + 暗金棕（禁用大面积蓝绿）
=================================================== */
:root {
    --bg: #f3efe8;
    --panel: #fffdf9;
    --panel-2: #faf6ef;
    --line: #e4dbcb;
    --line-soft: #efe8da;
    --ink: #332c24;
    --ink-2: #5d5346;
    --muted: #8f8577;
    --gold: #96702f;
    --gold-light: #c2a15f;
    --gold-pale: #f0e6d2;
    --dark: #2c2620;
    --danger: #a6543f;
    --success: #5d7f52;
    --warn: #b5852f;
    --radius: 10px;
    --shadow: 0 6px 20px rgba(75, 60, 38, .07);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
    background: var(--bg);
    color: var(--ink);
    font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans CJK SC", sans-serif;
    font-size: 14px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--gold); text-decoration: none; }
a:hover { color: #7a5a24; }
img { max-width: 100%; }
h1, h2, h3, h4 { color: var(--ink); font-weight: 600; margin: 0 0 12px; }
p { margin: 0 0 10px; }

/* 布局 */
.app { display: flex; min-height: 100vh; }
.sidebar {
    width: 230px;
    flex: 0 0 230px;
    background: linear-gradient(180deg, #332b23 0%, #241f1a 100%);
    color: #ded3c2;
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0; bottom: 0; left: 0;
    z-index: 100;
    overflow-y: auto;
}
.sidebar::-webkit-scrollbar { width: 4px; }
.sidebar::-webkit-scrollbar-thumb { background: #594c3c; border-radius: 3px; }
.brand {
    padding: 22px 20px 18px;
    border-bottom: 1px solid rgba(255, 255, 255, .07);
}
.brand .brand-name {
    font-size: 20px;
    letter-spacing: 3px;
    color: #e6cf9f;
    font-weight: 600;
}
.brand .brand-sub {
    display: block;
    font-size: 11px;
    color: #8d8172;
    letter-spacing: 1px;
    margin-top: 3px;
}
.sidebar nav { padding: 10px 0 30px; }
.menu-group > .menu-group-title {
    display: flex;
    align-items: center;
    padding: 12px 20px 8px;
    font-size: 12px;
    color: #9c8f7c;
    letter-spacing: 1px;
}
.menu-item {
    display: block;
    padding: 10px 20px 10px 26px;
    color: #cec3b2;
    font-size: 13.5px;
    border-left: 3px solid transparent;
    transition: all .18s;
    position: relative;
}
.menu-item:hover { background: rgba(255, 255, 255, .05); color: #f2e5cc; }
.menu-item.active {
    background: linear-gradient(90deg, rgba(194, 161, 95, .18), transparent);
    color: #e9cd92;
    border-left-color: var(--gold-light);
}
.menu-directory {
    padding: 13px 20px 9px;
    font-size: 12px;
    color: #867963;
    letter-spacing: 1.5px;
    border-top: 1px solid rgba(255, 255, 255, .045);
    margin-top: 6px;
}
.menu-directory:first-child { border-top: 0; margin-top: 0; }

.main { margin-left: 230px; flex: 1; min-width: 0; display: flex; flex-direction: column; }
.topbar {
    height: 58px;
    background: rgba(255, 253, 249, .92);
    backdrop-filter: blur(6px);
    border-bottom: 1px solid var(--line);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 22px;
    position: sticky;
    top: 0;
    z-index: 60;
}
.crumb { font-size: 13px; color: var(--muted); }
.crumb b { color: var(--ink); font-weight: 600; }
.top-actions { display: flex; align-items: center; gap: 14px; font-size: 13px; color: var(--ink-2); }
.top-actions .avatar {
    width: 30px; height: 30px; border-radius: 50%;
    background: var(--gold-pale); color: var(--gold);
    display: inline-flex; align-items: center; justify-content: center;
    font-weight: 600; font-size: 13px;
}
.content { padding: 20px 22px 40px; flex: 1; }

/* 卡片 */
.card {
    background: var(--panel);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 18px;
    overflow: hidden;
}
.card-head {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 18px;
    border-bottom: 1px solid var(--line-soft);
    background: linear-gradient(90deg, #fbf7f0, #fffdf9);
}
.card-head h3 { margin: 0; font-size: 15px; }
.card-head .sub { color: var(--muted); font-size: 12px; }
.card-body { padding: 18px; }
.card-body.tight { padding: 0; }

/* 统计卡片 */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; margin-bottom: 18px; }
.stat-card {
    background: var(--panel);
    border: 1px solid var(--line-soft);
    border-radius: var(--radius);
    padding: 16px 18px;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
}
.stat-card::after {
    content: "";
    position: absolute; right: -20px; top: -20px;
    width: 76px; height: 76px; border-radius: 50%;
    background: rgba(194, 161, 95, .1);
}
.stat-card .label { font-size: 12.5px; color: var(--muted); letter-spacing: .5px; }
.stat-card .value { font-size: 26px; font-weight: 700; color: var(--gold); margin-top: 4px; font-family: "DIN Alternate", "Arial", sans-serif; }
.stat-card .hint { font-size: 12px; color: var(--muted); margin-top: 2px; }

/* 按钮 */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 5px;
    padding: 7px 15px;
    border-radius: 6px;
    border: 1px solid var(--gold);
    background: linear-gradient(180deg, #a37c34, #8b6828);
    color: #fff;
    font-size: 13px;
    cursor: pointer;
    transition: all .18s;
    line-height: 1.4;
    white-space: nowrap;
}
.btn:hover { background: linear-gradient(180deg, #b28a3d, #96702f); color: #fff; box-shadow: 0 4px 12px rgba(150, 112, 47, .25); }
.btn-ghost { background: transparent; color: var(--gold); border: 1px solid var(--gold-light); }
.btn-ghost:hover { background: var(--gold-pale); color: var(--gold); box-shadow: none; }
.btn-plain { background: #fff; color: var(--ink-2); border: 1px solid var(--line); }
.btn-plain:hover { background: #faf6ef; color: var(--ink); box-shadow: none; }
.btn-danger { background: linear-gradient(180deg, #b0614b, #984733); border-color: #984733; }
.btn-danger:hover { background: #a6543f; }
.btn-sm { padding: 4px 10px; font-size: 12px; border-radius: 5px; }
.btn-link { background: none; border: 0; color: var(--gold); padding: 2px 4px; cursor: pointer; font-size: 13px; }
.btn-link:hover { text-decoration: underline; }
.btn-link.danger { color: var(--danger); }
.btn[disabled], .btn.disabled { opacity: .5; cursor: not-allowed; }
.btn-group { display: inline-flex; gap: 6px; flex-wrap: wrap; align-items: center; }

/* 表单 */
.form-row { display: flex; flex-wrap: wrap; gap: 16px 22px; }
.form-item { margin-bottom: 16px; min-width: 220px; flex: 1; }
.form-item.full { flex-basis: 100%; }
.form-item label { display: block; font-size: 13px; color: var(--ink-2); margin-bottom: 6px; }
.form-item label .req { color: var(--danger); margin-left: 3px; }
.input, select.input, textarea.input {
    width: 100%;
    padding: 8px 11px;
    border: 1px solid var(--line);
    border-radius: 6px;
    background: #fff;
    color: var(--ink);
    font-size: 13.5px;
    font-family: inherit;
    transition: border-color .18s, box-shadow .18s;
}
.input:focus, select.input:focus, textarea.input:focus {
    outline: none;
    border-color: var(--gold-light);
    box-shadow: 0 0 0 3px rgba(194, 161, 95, .16);
}
textarea.input { min-height: 90px; resize: vertical; line-height: 1.7; }
.form-item .tip { font-size: 12px; color: var(--muted); margin-top: 4px; }
.form-actions { padding-top: 6px; display: flex; gap: 10px; }
.input-sm { width: 140px; }
.input-xs { width: 90px; }

/* 搜索筛选 */
.filter-bar {
    display: flex; flex-wrap: wrap; gap: 10px; align-items: flex-end;
    padding: 14px 18px;
    background: var(--panel-2);
    border-bottom: 1px solid var(--line-soft);
}
.filter-bar .fi { display: flex; flex-direction: column; gap: 4px; }
.filter-bar .fi label { font-size: 12px; color: var(--muted); }
.filter-bar .input { height: 34px; padding: 5px 9px; font-size: 13px; }
.filter-bar .btn { height: 34px; padding: 5px 14px; }

/* 表格 */
.table-wrap { overflow-x: auto; }
.table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.table th {
    background: #f7f2e7;
    color: var(--ink-2);
    font-weight: 600;
    font-size: 12.5px;
    text-align: left;
    padding: 11px 12px;
    border-bottom: 1px solid var(--line);
    white-space: nowrap;
}
.table td { padding: 11px 12px; border-bottom: 1px solid var(--line-soft); color: var(--ink-2); vertical-align: middle; }
.table tbody tr:hover { background: #fbf8f2; }
.table tbody tr:last-child td { border-bottom: 0; }
.table .num { font-family: "DIN Alternate", Arial, sans-serif; }
.table .money { color: var(--gold); font-weight: 600; font-family: "DIN Alternate", Arial, sans-serif; }
.table .money.negative { color: #a5442e; }
.table .strong { color: var(--ink); font-weight: 600; }
.table .empty { text-align: center; padding: 40px; color: var(--muted); }
.table-actions { white-space: nowrap; }
.table-actions a, .table-actions button { margin-right: 6px; }
.table-fixed th, .table-fixed td { white-space: nowrap; }

/* 徽标 */
.badge {
    display: inline-block;
    padding: 2px 9px;
    border-radius: 10px;
    font-size: 11.5px;
    line-height: 1.7;
    border: 1px solid transparent;
    white-space: nowrap;
}
.badge-success { background: #eaf1e6; color: #4f7044; border-color: #d8e5d1; }
.badge-warn { background: #f9efdc; color: #9a6f1f; border-color: #f0dfbd; }
.badge-danger { background: #f8e9e4; color: #9c4a35; border-color: #efd3c9; }
.badge-info { background: #eef0f2; color: #5c666f; border-color: #e0e3e6; }
.badge-primary { background: #f2e8d5; color: #8a6a2b; border-color: #e7d8ba; }
.badge-muted { background: #f1efec; color: #8c8478; border-color: #e5e1da; }

/* 分页 */
.pager { display: flex; align-items: center; justify-content: space-between; padding: 12px 18px; background: #fffdf9; border-top: 1px solid var(--line-soft); flex-wrap: wrap; gap: 8px; }
.pager-total { font-size: 12.5px; color: var(--muted); }
.pager-links { display: flex; gap: 5px; align-items: center; }
.pg {
    min-width: 30px; height: 30px; padding: 0 8px;
    display: inline-flex; align-items: center; justify-content: center;
    border: 1px solid var(--line); border-radius: 5px;
    color: var(--ink-2); font-size: 12.5px; background: #fff;
}
.pg:hover { border-color: var(--gold-light); color: var(--gold); }
.pg.active { background: var(--gold); border-color: var(--gold); color: #fff; }
.pg.disabled { opacity: .45; pointer-events: none; }
.pg-ellipsis { color: var(--muted); padding: 0 4px; }

/* 提示条 */
.alert { padding: 11px 14px; border-radius: 7px; margin-bottom: 14px; font-size: 13px; border: 1px solid; }
.alert-success { background: #eef4ea; border-color: #d5e4cd; color: #4a6b3f; }
.alert-error { background: #f9ece8; border-color: #efd2c8; color: #97452f; }
.alert-warn { background: #fbf3e1; border-color: #f0dfba; color: #8a6420; }
.alert-info { background: #f4f1ea; border-color: #e6dfd1; color: #6a6153; }

/* 待办列表 */
.todo-list { list-style: none; margin: 0; padding: 0; }
.todo-list li {
    display: flex; align-items: flex-start; gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--line-soft);
    font-size: 13px;
}
.todo-list li:last-child { border-bottom: 0; }
.todo-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--gold-light); margin-top: 8px; flex: 0 0 7px; }
.todo-dot.danger { background: var(--danger); }
.todo-dot.warn { background: var(--warn); }
.todo-list .t-main { flex: 1; color: var(--ink-2); }
.todo-list .t-main b { color: var(--ink); font-weight: 600; }
.todo-list .t-time { color: var(--muted); font-size: 12px; white-space: nowrap; }

/* 详情 */
.detail-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 0; border: 1px solid var(--line-soft); border-radius: 8px; overflow: hidden; }
.detail-item { padding: 11px 15px; border-bottom: 1px solid var(--line-soft); display: flex; gap: 12px; }
.detail-item .k { color: var(--muted); font-size: 12.5px; width: 96px; flex: 0 0 96px; }
.detail-item .v { color: var(--ink); flex: 1; word-break: break-all; }
.detail-item.full { grid-column: 1 / -1; }

/* 标签页 */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--line); margin-bottom: 16px; }
.tabs a { padding: 9px 16px; color: var(--ink-2); font-size: 13.5px; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs a.active { color: var(--gold); border-bottom-color: var(--gold); font-weight: 600; }

/* 登录页 */
.login-page {
    min-height: 100vh;
    display: flex; align-items: center; justify-content: center;
    background:
        radial-gradient(circle at 78% 18%, rgba(194, 161, 95, .16), transparent 42%),
        linear-gradient(155deg, #f7f3ec 0%, #ece5d8 52%, #e3dac8 100%);
    position: relative;
    overflow: hidden;
}
.login-page::before {
    content: "";
    position: absolute; left: 0; right: 0; bottom: 0; height: 46vh;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1440 420' preserveAspectRatio='none'%3E%3Cpath d='M0 360 L180 250 L320 300 L470 170 L640 280 L810 200 L980 290 L1150 210 L1300 290 L1440 240 L1440 420 L0 420 Z' fill='%23d9cfba' fill-opacity='.42'/%3E%3Cpath d='M0 400 L160 320 L330 360 L520 260 L700 350 L900 280 L1080 350 L1280 290 L1440 340 L1440 420 L0 420 Z' fill='%23c9bda4' fill-opacity='.35'/%3E%3C/svg%3E") no-repeat bottom center;
    background-size: 100% 100%;
    pointer-events: none;
}
.login-card {
    position: relative;
    width: 400px;
    background: rgba(255, 253, 249, .94);
    border: 1px solid rgba(255, 255, 255, .7);
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(70, 55, 30, .16);
    padding: 36px 36px 30px;
    backdrop-filter: blur(8px);
}
.login-card .brand-mark { text-align: center; margin-bottom: 26px; }
.login-card .brand-mark .cn { font-size: 26px; letter-spacing: 6px; color: var(--gold); font-weight: 600; }
.login-card .brand-mark .en { display: block; font-size: 11px; letter-spacing: 3px; color: var(--muted); margin-top: 5px; }
.login-card .form-item { margin-bottom: 15px; }
.login-card .input { height: 42px; }
.login-card .btn { width: 100%; height: 42px; margin-top: 8px; font-size: 15px; letter-spacing: 4px; }
.captcha-row { display: flex; gap: 10px; }
.captcha-row .input { flex: 1; }
.captcha-img { width: 110px; height: 42px; border-radius: 6px; border: 1px solid var(--line); cursor: pointer; background: #f6f1e7; }
.login-foot { text-align: center; color: var(--muted); font-size: 11.5px; margin-top: 18px; line-height: 1.8; }

/* 提示页 */
.tip-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: var(--bg); }
.tip-box { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); padding: 32px 40px; text-align: center; max-width: 560px; }
.tip-box .icon { font-size: 40px; margin-bottom: 8px; }
.tip-box.success .icon { color: var(--success); }
.tip-box.error .icon { color: var(--danger); }
.tip-box h2 { font-size: 18px; }
.tip-box p { color: var(--muted); }

/* 工作台 */
.grid-2 { display: grid; grid-template-columns: 1.7fr 1fr; gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
@media (max-width: 1100px) { .grid-2, .grid-3 { grid-template-columns: 1fr; } }
.todo-badge { float: right; }

/* 日历 */
.calendar { display: grid; grid-template-columns: repeat(7, 1fr); gap: 6px; }
.calendar .cal-head { text-align: center; font-size: 12px; color: var(--muted); padding: 6px 0; }
.calendar .cal-cell {
    min-height: 92px; background: #fff; border: 1px solid var(--line-soft);
    border-radius: 7px; padding: 6px; font-size: 12px; position: relative;
}
.calendar .cal-cell.dim { background: #faf7f1; color: #c3b8a5; }
.calendar .cal-cell .day { font-weight: 600; color: var(--ink-2); }
.calendar .cal-cell.today { border-color: var(--gold-light); box-shadow: inset 0 0 0 1px var(--gold-light); }
.cal-event {
    display: block; margin-top: 4px; padding: 2px 5px; border-radius: 4px;
    background: var(--gold-pale); color: #7c5c22; font-size: 11px;
    overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.cal-event.busy { background: #f6e7e2; color: #9c4a35; }

/* 合同预览 */
.doc-preview { background: #fff; padding: 36px 46px; border: 1px solid var(--line); min-height: 400px; line-height: 1.9; }
.doc-preview h3 { text-align: center; }
.doc-preview h4 { margin-top: 16px; color: var(--gold); }
.doc-preview table { width: 100%; }

/* 大屏 */
.screen-body { margin: 0; background: #241f19; color: #e8ddc9; overflow: hidden; }
.screen-wrap {
    min-height: 100vh; padding: 22px 26px;
    background:
        radial-gradient(ellipse at 50% -10%, rgba(194, 161, 95, .13), transparent 55%),
        url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1600 400' preserveAspectRatio='none'%3E%3Cpath d='M0 330 L220 210 L380 280 L560 150 L760 270 L940 180 L1140 280 L1330 190 L1600 300 L1600 400 L0 400 Z' fill='%233a3227' fill-opacity='.55'/%3E%3C/svg%3E") no-repeat bottom center,
        linear-gradient(160deg, #2b241d, #1f1a15);
    background-size: auto, 100% 42%, auto;
}
.screen-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 18px; }
.screen-title { font-size: 26px; letter-spacing: 3px; color: #e2c68c; font-weight: 600; }
.screen-title small { display: block; font-size: 11px; letter-spacing: 2px; color: #8c7f6a; margin-top: 2px; }
.screen-time { color: #b3a58d; font-size: 14px; font-family: "DIN Alternate", Arial, sans-serif; }
.screen-stats { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-bottom: 16px; }
.screen-stat {
    background: rgba(255, 250, 240, .045);
    border: 1px solid rgba(194, 161, 95, .22);
    border-radius: 10px; padding: 16px 20px;
}
.screen-stat .l { font-size: 12px; color: #9d907b; letter-spacing: 1px; }
.screen-stat .v { font-size: 34px; color: #e6c98e; font-weight: 700; font-family: "DIN Alternate", Arial, sans-serif; line-height: 1.2; }
.screen-stat .v small { font-size: 13px; color: #9d907b; font-weight: 400; margin-left: 4px; }
.screen-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 14px; }
.screen-panel { background: rgba(255, 250, 240, .035); border: 1px solid rgba(194, 161, 95, .18); border-radius: 10px; padding: 12px 14px; }
.screen-panel h4 { color: #cfb37b; font-size: 13px; letter-spacing: 1px; margin-bottom: 6px; font-weight: 500; }
.chart { width: 100%; height: 260px; }
.chart.sm { height: 210px; }
.screen-todo { font-size: 12.5px; color: #bfb29c; }
.screen-todo li { padding: 6px 0; border-bottom: 1px dashed rgba(194, 161, 95, .16); list-style: none; display: flex; justify-content: space-between; }
.screen-todo ul { margin: 0; padding: 0; }
.screen-todo .warn { color: #d8a15a; }

/* 移动端 H5 */
.m-page { background: #f3efe8; min-height: 100vh; padding-bottom: 76px; }
.m-head {
    background: linear-gradient(140deg, #3a3128, #2a241e);
    color: #eddfc7; padding: 18px 16px 22px;
    border-radius: 0 0 18px 18px;
}
.m-head .m-title { font-size: 19px; font-weight: 600; letter-spacing: 1px; }
.m-head .m-sub { font-size: 12px; color: #a99a82; margin-top: 3px; }
.m-head .m-user { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; font-size: 12.5px; color: #bcae95; }
.m-head .m-user a { color: #d8bc83; }
.m-body { padding: 14px; }
.m-card { background: #fffdf9; border: 1px solid var(--line-soft); border-radius: 12px; padding: 15px; margin-bottom: 12px; box-shadow: 0 4px 14px rgba(75, 60, 38, .05); }
.m-card h4 { font-size: 14.5px; margin: 0 0 8px; display: flex; justify-content: space-between; align-items: center; }
.m-card .kv { display: flex; justify-content: space-between; font-size: 13px; padding: 3px 0; color: var(--ink-2); }
.m-card .kv .k { color: var(--muted); }
.m-stat { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 13px; }
.m-stat div { background: #fffdf9; border: 1px solid var(--line-soft); border-radius: 10px; padding: 10px; text-align: center; }
.m-stat .v { font-size: 20px; color: var(--gold); font-weight: 700; font-family: "DIN Alternate", Arial, sans-serif; }
.m-stat .l { font-size: 11px; color: var(--muted); }
.m-tabbar {
    position: fixed; left: 0; right: 0; bottom: 0;
    display: flex; background: #fffdf9; border-top: 1px solid var(--line);
    padding: 7px 0 9px;
}
.m-tabbar a { flex: 1; text-align: center; font-size: 11.5px; color: var(--muted); }
.m-tabbar a.active { color: var(--gold); }
.m-tabbar a .ic { display: block; font-size: 18px; line-height: 1.2; }
.m-empty { text-align: center; color: var(--muted); padding: 36px 0; font-size: 13px; }
.m-btn { display: block; width: 100%; padding: 10px; text-align: center; border-radius: 8px; background: linear-gradient(180deg, #a37c34, #8b6828); color: #fff; font-size: 14px; border: 0; margin-top: 8px; }
.m-btn.ghost { background: #fff; color: var(--gold); border: 1px solid var(--gold-light); }
.m-flash { position: fixed; top: 12px; left: 16px; right: 16px; z-index: 99; padding: 10px 14px; border-radius: 9px; font-size: 13px; text-align: center; box-shadow: 0 6px 18px rgba(44, 38, 32, .16); }
.m-flash-success { background: #3f6b45; color: #fff; }
.m-flash-error { background: #a5442e; color: #fff; }

/* 打印 */
@media print {
    .sidebar, .topbar, .no-print, .tabs { display: none !important; }
    .main { margin-left: 0; }
    .content { padding: 0; }
    .card { border: 0; box-shadow: none; }
    body { background: #fff; }
}
@media (max-width: 900px) {
    .sidebar { display: none; }
    .main { margin-left: 0; }
    .screen-stats { grid-template-columns: repeat(2, 1fr); }
    .screen-grid { grid-template-columns: 1fr; }
}