/* ===========================================================
   Quản lý Hạ tầng số — UBND xã Tam Thái
   Design tokens theo bản mockup đã duyệt (xem claude/thiet-ke-giao-dien-mau.md)
   =========================================================== */
:root{
  --bg:#EEF0E9;
  --surface:#FFFFFF;
  --surface-2:#F5F6F1;
  --border:#DDE1D6;
  --text:#182430;
  --text-muted:#67716C;
  --accent:#1F3A54;       /* chàm núi đậm — hành động chính, khớp bộ nhận diện Trạm Điều Hành */
  --accent-ink:#152C40;
  --sidebar-bg:#122A40;   /* nền sidebar tối, đồng bộ Trạm Điều Hành Tam Thái */
  --sidebar-bg-2:#1B3A54;
  --secondary:#4B6B4E;    /* rêu núi — trạng thái đang chọn trong menu */
  --ok:#227A4C;           /* hoạt động */
  --ok-bg:#DEF1E4;
  --warn:#B4791E;         /* bảo trì */
  --warn-bg:#F8ECD8;
  --danger:#A3432E;       /* sự cố */
  --danger-bg:#F6E4DF;
  --font-head:'Manrope', system-ui, sans-serif;
  --font-body:'Be Vietnam Pro', system-ui, sans-serif;
  --font-mono:'IBM Plex Mono', ui-monospace, monospace;
  --sidebar-w:248px;
  --sidebar-w-collapsed:68px;
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 1px 2px rgba(18,42,64,.05), 0 1px 1px rgba(18,42,64,.04);
  --shadow-md:0 8px 24px rgba(18,42,64,.12);
}

*,*::before,*::after{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-body);
  font-size:15px;
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:var(--font-head);margin:0 0 .5em;text-wrap:balance;}
p{margin:0 0 .75em;}
button{font-family:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;}
a{color:var(--accent);}
.mono{font-family:var(--font-mono);}
[hidden]{display:none!important;}

/* ---------- form controls ---------- */
.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px;}
.field-label{font-size:13px;font-weight:600;color:var(--text-muted);}
.field input, .field select, .field textarea{
  padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);
}
.field input:focus, .field select:focus, .field textarea:focus{outline:2px solid var(--accent);outline-offset:1px;}
.field-row{display:flex;gap:12px;flex-wrap:wrap;}
.field-row .field{flex:1;min-width:160px;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 16px;border-radius:8px;border:1px solid transparent;
  font-weight:600;font-size:14px;cursor:pointer;transition:filter .12s ease, background .12s ease;
}
.btn:active{filter:brightness(.92);}
.btn-primary{background:var(--accent);color:#fff;}
.btn-secondary{background:var(--secondary);color:#fff;}
.btn-outline{background:transparent;border-color:var(--border);color:var(--text);}
.btn-danger{background:var(--danger);color:#fff;}
.btn-ghost{background:transparent;color:var(--text-muted);}
.btn-sm{padding:6px 10px;font-size:13px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.55;cursor:not-allowed;}

.icon-btn{
  width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:none;border-radius:8px;color:var(--text);cursor:pointer;
}
.icon-btn:hover{background:var(--surface-2);}

.form-error{color:var(--danger);background:var(--danger-bg);border-radius:8px;padding:8px 12px;font-size:13.5px;margin:0 0 12px;}
.form-hint{color:var(--text-muted);font-size:13px;margin-top:4px;}

/* ---------- login screen (bố cục 2 mảng, đồng bộ Trạm Điều Hành Tam Thái) ---------- */
.login-screen{min-height:100vh;display:flex;}
.login-pane-brand{
  position:relative;overflow:hidden;flex:1 1 46%;max-width:560px;
  background:linear-gradient(175deg, var(--sidebar-bg) 0%, var(--accent-ink) 100%);
  color:#fff;padding:40px;display:flex;flex-direction:column;
}
.login-mountains{position:absolute;left:0;right:0;bottom:0;width:100%;height:34%;min-height:140px;}
.login-brand{display:flex;align-items:center;gap:14px;position:relative;z-index:1;}
.login-brand-mark{
  width:48px;height:48px;border-radius:12px;background:#fff;flex:none;
  object-fit:contain;padding:5px;box-shadow:var(--shadow-sm);
}
.login-brand-title{font-family:var(--font-head);font-weight:700;font-size:15.5px;line-height:1.3;}
.login-brand-sub{color:#AEC0CE;font-size:13px;}
.login-headline{position:relative;z-index:1;margin-top:auto;margin-bottom:auto;max-width:440px;padding:36px 0;}
.login-headline h1{font-size:26px;line-height:1.28;font-weight:800;margin-bottom:14px;}
.login-headline p{color:#AFC6CE;font-size:14px;line-height:1.6;margin:0;}
.login-pane-footer{position:relative;z-index:1;color:#7C93A3;font-size:12.5px;}
.login-pane-form{
  flex:1;display:flex;align-items:center;justify-content:center;padding:32px 24px;background:var(--bg);
}
.login-form-inner{width:100%;max-width:380px;}
.login-form-title{font-family:var(--font-head);font-weight:800;font-size:22px;margin-bottom:6px;}
.login-form-sub{color:var(--text-muted);font-size:13.5px;margin-bottom:24px;}
.login-form{margin-top:4px;}
.login-roles{margin-top:24px;padding-top:18px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:8px;}
.login-role{font-size:12.5px;color:var(--text-muted);display:flex;align-items:center;gap:8px;}
.dot{width:9px;height:9px;border-radius:50%;flex:none;}
.dot-admin{background:var(--accent);}
.dot-leader{background:var(--secondary);}
.dot-staff{background:var(--warn);}

@media (max-width:760px){
  .login-screen{flex-direction:column;}
  .login-pane-brand{
    flex:none;max-width:none;padding:24px 20px 56px;
  }
  .login-headline{margin:16px 0 0;padding:0;max-width:none;}
  .login-headline h1{font-size:20px;margin-bottom:10px;}
  .login-headline p{font-size:13px;}
  .login-mountains{height:70px;min-height:0;}
  .login-pane-footer{display:none;}
  .login-pane-form{padding:24px 18px 36px;}
}

/* ---------- app shell ---------- */
.app-shell{display:flex;min-height:100vh;}

.sidebar{
  width:var(--sidebar-w);flex:none;background:var(--sidebar-bg);color:#EDEFE9;
  display:flex;flex-direction:column;transition:width .18s ease;overflow:hidden;
}
.sidebar.collapsed{width:var(--sidebar-w-collapsed);}
.sidebar-top{display:flex;align-items:center;gap:10px;padding:14px 12px;}
.sidebar .icon-btn{color:#EDEFE9;}
.sidebar .icon-btn:hover{background:rgba(255,255,255,.10);}
.sidebar-brand{display:flex;align-items:center;gap:10px;overflow:hidden;white-space:nowrap;}
.brand-mark{
  width:34px;height:34px;border-radius:9px;background:#fff;flex:none;
  object-fit:contain;padding:3px;
}
.brand-text{font-family:var(--font-head);font-weight:700;font-size:14px;line-height:1.3;display:flex;flex-direction:column;}
.brand-text small{font-family:var(--font-body);font-weight:500;font-size:11px;color:#8FA3AF;text-transform:uppercase;letter-spacing:.04em;}
.sidebar.collapsed .brand-text,
.sidebar.collapsed .sidebar-user,
.sidebar.collapsed .sidebar-link span{display:none;}

.sidebar-nav{flex:1;overflow-y:auto;padding:6px 10px;display:flex;flex-direction:column;gap:2px;}
.nav-item{
  display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:10px;
  color:#B7C2CC;text-decoration:none;font-size:14px;font-weight:600;white-space:nowrap;overflow:hidden;
}
.nav-item svg{flex:none;}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;}
.nav-item.active{background:var(--secondary);color:#fff;}
.nav-group-label{
  font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:#6B7E8C;
  padding:14px 12px 6px;white-space:nowrap;overflow:hidden;
}

.sidebar-bottom{padding:12px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-direction:column;gap:2px;}
.sidebar-user{padding:6px 4px 10px;font-size:13px;color:#B7C2CC;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.sidebar-user b{color:#fff;display:block;font-size:13.5px;}
.sidebar-link{
  padding:8px 8px;border-radius:8px;color:#B7C2CC;font-size:13.5px;text-decoration:none;
  background:none;border:none;text-align:left;cursor:pointer;font-weight:600;
}
.sidebar-link:hover{background:rgba(255,255,255,.08);color:#fff;}
.sidebar-link-danger{color:#E6B3A6;}

.main-col{flex:1;min-width:0;display:flex;flex-direction:column;}
.topbar{
  height:58px;flex:none;display:flex;align-items:center;gap:12px;padding:0 18px;
  background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:5;
}
.topbar-title{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:0 1 auto;}
.topbar-spacer{flex:1;min-width:8px;}
.topbar-search{
  display:flex;align-items:center;gap:8px;background:var(--surface-2);border:1px solid var(--border);
  border-radius:999px;padding:8px 14px;color:var(--text-muted);flex:0 1 320px;min-width:160px;
}
.topbar-search svg{flex:none;}
.topbar-search input{border:none;background:transparent;outline:none;font-size:13.5px;color:var(--text);width:100%;}
.topbar-search input::placeholder{color:var(--text-muted);}
.topbar-alert-btn{position:relative;}
.icon-badge{
  position:absolute;top:4px;right:4px;min-width:16px;height:16px;padding:0 4px;border-radius:999px;
  background:var(--danger);color:#fff;font-size:10px;font-weight:800;line-height:16px;text-align:center;
}
@media (max-width:900px){
  .topbar-search{display:none;}
}
.badge{
  font-size:12px;font-weight:700;padding:5px 10px;border-radius:999px;background:var(--surface-2);color:var(--text-muted);
}
.badge-admin{background:#DCE6EF;color:var(--accent-ink);}
.badge-leader{background:#DFE9DE;color:var(--secondary);}
.badge-staff{background:var(--warn-bg);color:var(--warn);}

.view-root{flex:1;padding:20px;max-width:1200px;width:100%;margin:0 auto;}

.mobile-only{display:none;}

/* ---------- cards / lists / tables ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-sm);}
.card + .card{margin-top:14px;}
.card-title{font-family:var(--font-head);font-weight:800;font-size:15px;margin-bottom:14px;display:flex;align-items:center;justify-content:space-between;gap:10px;}

.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:16px;margin-bottom:16px;}
.kpi-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow-sm);}
.kpi-label{color:var(--text-muted);font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;}
.kpi-value{font-family:var(--font-head);font-weight:800;font-size:32px;line-height:1.1;}

.view-tabs{display:flex;gap:4px;border-bottom:1px solid var(--border);margin-bottom:16px;overflow-x:auto;}
.view-tab{
  padding:10px 16px;font-size:13.5px;font-weight:700;color:var(--text-muted);text-decoration:none;
  border-bottom:2px solid transparent;white-space:nowrap;
}
a.view-tab:hover{color:var(--text);}
.view-tab.active{color:var(--accent);border-bottom-color:var(--accent);}

.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px;}
.toolbar .field{margin-bottom:0;min-width:170px;}
.toolbar-spacer{flex:1;}
.search-input{position:relative;flex:1;min-width:200px;}

.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);}
table.data-table{width:100%;border-collapse:collapse;font-size:13.5px;white-space:nowrap;}
table.data-table th{
  text-align:left;padding:10px 12px;background:var(--surface-2);color:var(--text-muted);
  font-size:12px;text-transform:uppercase;letter-spacing:.03em;border-bottom:1px solid var(--border);position:sticky;top:0;
}
table.data-table td{padding:10px 12px;border-bottom:1px solid var(--border);}
table.data-table tbody tr:hover{background:var(--surface-2);cursor:pointer;}
table.data-table tbody tr:last-child td{border-bottom:none;}
.pagination{display:flex;align-items:center;gap:10px;justify-content:flex-end;padding:12px;font-size:13px;color:var(--text-muted);}

.status-pill{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:999px;font-size:12.5px;font-weight:700;white-space:nowrap;}
.status-pill::before{content:'';width:7px;height:7px;border-radius:50%;background:currentColor;}
.status-ok{background:var(--ok-bg);color:var(--ok);}
.status-warn{background:var(--warn-bg);color:var(--warn);}
.status-danger{background:var(--danger-bg);color:var(--danger);}
.status-neutral{background:var(--surface-2);color:var(--text-muted);}

.alert-list{display:flex;flex-direction:column;}
.alert-item{padding:12px 4px 12px 14px;border-left:3px solid var(--border);cursor:pointer;}
.alert-item + .alert-item{border-top:1px solid var(--border);}
.alert-item:hover{background:var(--surface-2);}
.alert-item-title{font-weight:700;font-size:13.5px;margin-bottom:3px;}
.alert-item-detail{color:var(--text-muted);font-size:12.5px;}
.alert-item.alert-danger{border-left-color:var(--danger);}
.alert-item.alert-warn{border-left-color:var(--warn);}
.alert-item.alert-neutral{border-left-color:var(--accent);}

.desktop-only{display:block;}
.asset-cards{display:none;grid-template-columns:repeat(auto-fill,minmax(230px,1fr));gap:12px;}
.asset-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow-sm);cursor:pointer;}
.asset-card-name{font-weight:700;font-size:14.5px;margin-bottom:4px;}
.asset-card-meta{color:var(--text-muted);font-size:12.5px;margin-bottom:8px;}
.asset-card-code{font-family:var(--font-mono);font-size:12px;color:var(--text-muted);}

.empty-state{text-align:center;padding:40px 20px;color:var(--text-muted);}
.empty-state svg{opacity:.5;margin-bottom:10px;}

.kanban{display:grid;grid-template-columns:repeat(4,minmax(220px,1fr));gap:14px;overflow-x:auto;}
.kanban-col{background:var(--surface-2);border-radius:var(--radius);padding:10px;min-height:120px;}
.kanban-col-title{font-size:12.5px;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;padding:4px 6px 10px;}

/* ---------- detail / QR ---------- */
.detail-header{margin-bottom:14px;}
.detail-subtitle{color:var(--text-muted);font-size:13.5px;margin:0;}
.detail-actions{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.detail-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media(min-width:780px){.detail-grid{grid-template-columns:2fr 1fr;align-items:start;}}
.meta-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 20px;}
@media(max-width:480px){.meta-grid{grid-template-columns:1fr;}}
.meta-item.span-2{grid-column:1 / -1;}
.meta-label{text-transform:uppercase;font-size:11px;font-weight:700;letter-spacing:.05em;color:var(--text-muted);margin-bottom:5px;}
.meta-value{font-weight:700;font-size:14.5px;line-height:1.35;}
.qr-box{display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center;}
.qr-box canvas{background:#fff;padding:10px;border-radius:10px;border:1px solid var(--border);}
.qr-code-text{font-family:var(--font-mono);font-size:13px;color:var(--text-muted);}

/* ---------- scan screen ---------- */
.scan-wrap{display:flex;flex-direction:column;align-items:center;gap:14px;}
.scan-video-box{position:relative;width:100%;max-width:420px;aspect-ratio:1/1;background:#000;border-radius:16px;overflow:hidden;}
.scan-video-box video{width:100%;height:100%;object-fit:cover;}
.scan-frame{position:absolute;inset:14%;border:3px solid rgba(255,255,255,.85);border-radius:16px;box-shadow:0 0 0 999px rgba(0,0,0,.28);}
.scan-manual{width:100%;max-width:420px;}

/* ---------- dialog overlay / toast ---------- */
.dialog-overlay{
  position:fixed;inset:0;background:rgba(27,35,33,.45);display:flex;align-items:center;justify-content:center;
  padding:16px;z-index:50;
}
.dialog-box{
  background:var(--surface);border-radius:14px;padding:22px;width:100%;max-width:480px;
  max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-md);
}
.dialog-title{font-family:var(--font-head);font-weight:800;font-size:16px;margin-bottom:16px;}
.dialog-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;}

.toast{
  position:fixed;left:50%;bottom:24px;transform:translateX(-50%);
  background:var(--text);color:#fff;padding:11px 20px;border-radius:999px;font-size:13.5px;
  box-shadow:var(--shadow-md);z-index:60;max-width:90vw;text-align:center;
}
.toast.toast-error{background:var(--danger);}
.toast.toast-ok{background:var(--ok);}

/* ---------- bottom nav (mobile) ---------- */
.bottom-nav{
  display:flex;justify-content:space-around;align-items:stretch;
  background:var(--surface);border-top:1px solid var(--border);
  position:sticky;bottom:0;z-index:5;padding-bottom:env(safe-area-inset-bottom);
}
.bottom-nav-item{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  padding:8px 2px;color:var(--text-muted);text-decoration:none;font-size:11px;font-weight:600;
}
.bottom-nav-item.active{color:var(--accent);}
.bottom-nav-item svg{flex:none;}
.bottom-nav-fab{
  width:52px;height:52px;border-radius:50%;background:var(--accent);color:#fff;
  display:flex;align-items:center;justify-content:center;margin-top:-22px;box-shadow:var(--shadow-md);
}

/* ---------- responsive breakpoint ---------- */
@media (max-width:900px){
  .sidebar{display:none;}
  .mobile-only{display:flex;}
  .view-root{padding:14px;padding-bottom:88px;}
  .kanban{grid-template-columns:1fr;}
  .field-row .field{min-width:0;}
  .desktop-only{display:none;}
  .asset-cards{display:grid;}
}
@media (min-width:901px){
  .bottom-nav{display:none;}
}

/* ---------- sidebar drawer on mobile when opened ---------- */
@media (max-width:900px){
  .app-shell.sidebar-open .sidebar{
    display:flex;position:fixed;inset:0 auto 0 0;z-index:40;box-shadow:var(--shadow-md);
  }
  .app-shell.sidebar-open::after{
    content:'';position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:35;
  }
}