:root{--bg:#f5f7fb;--surface:#fff;--text:#172033;--muted:#667085;--primary:#2457d6;--border:#e4e7ec}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}.container{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0}.header-inner{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px}.brand{color:var(--text);font-weight:700;text-decoration:none}.main-nav{display:flex;gap:14px;flex-wrap:wrap}.main-nav a{color:var(--muted);text-decoration:none}.page-content{padding:48px 0}.hero{padding:36px;background:var(--surface);border:1px solid var(--border);border-radius:18px}.badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#eaf0ff;color:var(--primary);font-weight:700;font-size:13px}.grid{margin-top:20px;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card,.notice{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px}.notice{margin-top:20px}.warning{border-color:#f2c94c}.danger{border-color:#eb5757}.site-footer{padding:24px 0;color:var(--muted)}@media(max-width:768px){.header-inner{align-items:flex-start;flex-direction:column;padding:16px 0}.grid{grid-template-columns:1fr}.hero{padding:24px}}
.muted{color:var(--muted)}.auth-shell{min-height:65vh;display:grid;place-items:center}.auth-card{width:min(520px,100%);background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:30px}.form-stack{display:grid;gap:18px;margin-top:24px}.form-stack label{display:grid;gap:8px;font-weight:700}.form-stack input{width:100%;padding:13px 14px;border:1px solid var(--border);border-radius:10px;font:inherit}.button{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;padding:12px 18px;font:inherit;font-weight:700;cursor:pointer}.button-primary{background:#245b43;color:#fff}.button-light{background:#eef2f4;color:var(--text)}.alert{margin-top:18px;padding:13px 15px;border-radius:10px}.alert-danger{background:#fff0f0;color:#9d2222}.alert-success{background:#e9f7ef;color:#17643b}.admin-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;margin-bottom:24px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.stat-card{display:grid;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px}.stat-card strong{font-size:34px}.stat-card span{color:var(--muted)}.panel{margin-top:22px;background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:22px}.panel-heading{display:flex;justify-content:space-between;gap:16px}.admin-modules{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:18px}.admin-modules article{border:1px solid var(--border);border-radius:14px;padding:18px}.status-pill{display:inline-block;margin-top:8px;padding:5px 9px;border-radius:999px;background:#eef3ff;color:#315bb8;font-size:12px;font-weight:700}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:12px;border-bottom:1px solid var(--border);white-space:nowrap}th{font-size:13px;color:var(--muted)}
@media(max-width:900px){.stats-grid{grid-template-columns:repeat(2,1fr)}.admin-modules{grid-template-columns:1fr}}@media(max-width:600px){.admin-heading{flex-direction:column}.stats-grid{grid-template-columns:1fr}.auth-card{padding:22px}}

/* v0.4.1: tăng độ ổn định giao diện form trên trình duyệt di động */
.auth-card h1{margin:18px 0 10px;line-height:1.12}
.auth-card p{margin:0}
.form-stack label{width:100%}
.form-stack label span{display:block}
.form-stack input{
    display:block;
    min-height:48px;
    appearance:none;
    -webkit-appearance:none;
    background:#fff;
    color:var(--text);
}
.form-stack button{width:100%;min-height:48px}
@media(max-width:600px){
    .page-content{padding:28px 0}
    .auth-shell{min-height:auto;place-items:stretch}
    .auth-card{width:100%;border-radius:16px;padding:22px 18px}
    .auth-card h1{font-size:clamp(34px,10vw,48px)}
    .form-stack{gap:16px}
    .form-stack input{font-size:16px}
}

.admin-form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:18px}
.admin-form-grid label{display:grid;gap:8px;font-weight:700}
.admin-form-grid input,.admin-form-grid select,.user-actions input,.user-actions select{
    min-height:44px;padding:10px 12px;border:1px solid var(--border);border-radius:9px;background:#fff;font:inherit
}
.form-actions{grid-column:1/-1}
.user-card-list{display:grid;gap:16px;margin-top:18px}
.user-admin-card{border:1px solid var(--border);border-radius:14px;padding:18px}
.user-summary{display:flex;justify-content:space-between;align-items:flex-start;gap:16px}
.user-summary h3{margin:0 0 4px}.user-summary p{margin:0 0 4px}.user-summary small{color:var(--muted)}
.user-meta{display:flex;gap:18px;flex-wrap:wrap;margin:14px 0;color:var(--muted);font-size:13px}
.user-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.user-actions form{display:flex;gap:8px;align-items:center}
.user-actions input,.user-actions select{flex:1;min-width:0}
.status-active{background:#e9f7ef;color:#17643b}.status-inactive{background:#fff7e6;color:#8b5d00}.status-locked{background:#fff0f0;color:#9d2222}
.module-link{margin-top:10px}.error-panel{max-width:680px;margin:40px auto}
@media(max-width:760px){
    .admin-form-grid{grid-template-columns:1fr}.form-actions{grid-column:auto}
    .user-actions{grid-template-columns:1fr}.user-actions form{align-items:stretch;flex-direction:column}
    .user-summary{flex-direction:column}
}

/* v0.6.0 clan and branch management */
.heading-actions,.row-actions,.inline-search{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.entity-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-top:18px}.entity-form label{display:grid;gap:7px;font-weight:700}.entity-form input,.entity-form select,.entity-form textarea,.inline-search input,.inline-search select{width:100%;padding:11px 12px;border:1px solid var(--border);border-radius:9px;background:#fff;font:inherit}.span-2{grid-column:1/-1}.button-small{padding:7px 10px;font-size:13px}.button-danger{background:#fff0f0;color:#9d2222;border:1px solid #f0c4c4}.table-sub{display:block;color:var(--muted);margin-top:4px}.panel-heading{gap:16px}.panel-heading .inline-search{margin-left:auto}@media(max-width:760px){.entity-form{grid-template-columns:1fr}.span-2{grid-column:auto}.admin-heading,.panel-heading{align-items:stretch}.heading-actions,.inline-search{width:100%}.inline-search>*{flex:1}.row-actions{align-items:stretch}.row-actions form,.row-actions button{width:100%}}