:root{
  --bg:#f3f6fb;
  --panel:#ffffff;
  --line:#d8e2ef;
  --text:#0f172a;
  --muted:#64748b;
  --primary:#2563eb;
  --danger:#dc2626;
  --sidebar:#0f172a;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:var(--bg)}
a{text-decoration:none;color:var(--primary)}
button,input,select,textarea{font:inherit}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #c7d2e1;border-radius:12px;background:#fff}
textarea{resize:vertical;min-height:72px}
input[disabled],textarea[disabled],select[disabled]{background:#f1f5f9;color:#475569}
label{display:grid;gap:6px}
label span{font-size:13px;color:#475569;font-weight:700}
.hidden{display:none!important}
.muted{color:var(--muted)}
.center{text-align:center}
.full{width:100%}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:12px;padding:10px 14px;border:1px solid transparent;cursor:pointer;font-weight:700}
.btn-primary{background:var(--primary);color:#fff}
.btn-outline{background:#fff;border-color:#cbd5e1;color:#0f172a}
.btn-danger{background:var(--danger);color:#fff}
.btn-sm{padding:7px 10px;border-radius:10px;font-size:12px}
.btn-lg{padding:12px 18px}
.flash{padding:12px 14px;border-radius:12px;margin-bottom:14px}
.flash-success{background:#dcfce7;color:#166534}
.flash-error{background:#fee2e2;color:#991b1b}
.app-shell{display:flex;height:100vh;overflow:hidden}
.sidebar{width:270px;background:var(--sidebar);color:#fff;padding:18px 16px;display:flex;flex-direction:column;overflow:hidden}
.sidebar-brand{margin-bottom:18px}
.sidebar-title{font-size:24px;font-weight:800}
.sidebar-sub{opacity:.7}
.sidebar-user{border:1px solid rgba(255,255,255,.12);border-radius:14px;padding:12px;margin-bottom:16px;display:grid;gap:4px}
.role-switcher select{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.15)}
.sidebar-nav{display:grid;gap:6px}
.sidebar-nav a{color:#cbd5e1;padding:10px 12px;border-radius:12px}
.sidebar-nav a.active,.sidebar-nav a:hover{background:rgba(255,255,255,.08);color:#fff}
.sidebar-logout{margin-top:auto}
.main-area{flex:1;overflow:auto}
.page-topbar{padding:18px 22px 0}
.page-topbar h1{margin:0}
.content-area{padding:18px 22px 28px}
.panel{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:18px;margin-bottom:16px}
.sub-panel{background:#fbfdff;border:1px solid var(--line);border-radius:16px;padding:14px;margin-top:16px}
.panel-head{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px}
.panel-head-wrap{align-items:flex-start}
.head-actions,.inline-search,.detail-actions-wrap{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.inline-search input,.inline-search select{width:auto;min-width:180px}
.stats-grid{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));gap:14px;margin-bottom:16px}
.stat-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
.stat-label{font-size:13px;color:var(--muted);margin-bottom:6px}
.stat-value{font-size:28px;font-weight:800}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}
.clean-view-table{width:100%;border-collapse:collapse;background:#fff}
.clean-view-table th,.clean-view-table td{padding:12px;border-bottom:1px solid #e5e7eb;vertical-align:top;white-space:nowrap}
.clean-view-table th{background:#f8fbff;text-align:left}
.badge{display:inline-flex;padding:6px 10px;border-radius:999px;background:#eef2ff;color:#1d4ed8;font-size:12px;font-weight:700}
.status-chip-chot{background:#dbeafe;color:#1d4ed8}
.status-chip-thietke{background:#ecfeff;color:#0f766e}
.status-chip-som{background:#dcfce7;color:#166534}
.status-chip-dung{background:#fef9c3;color:#854d0e}
.status-chip-tre{background:#fee2e2;color:#991b1b}
.create-order-shell{max-width:980px;margin:0 auto}
.create-order-head{display:flex;justify-content:space-between;gap:12px;align-items:flex-start;margin-bottom:16px}
.create-order-tip{border:1px solid var(--line);background:#f8fbff;border-radius:14px;padding:14px;min-width:220px}
.create-order-form,.compact-form{display:grid;gap:12px}
.compact-grid-2,.compact-grid-3,.compact-grid-4{display:grid;gap:12px}
.compact-grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.compact-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.compact-grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.create-block{border:1px solid var(--line);border-radius:16px;background:#fbfdff;padding:14px}
.block-title{font-weight:800;margin-bottom:10px}
.request-list{display:grid;grid-template-columns:1fr;gap:8px}
.request-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#fff}
.request-item input{width:auto}
.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.summary-item{border:1px solid var(--line);border-radius:14px;padding:12px;background:#fbfdff;display:grid;gap:6px}
.summary-item strong{font-size:13px;color:var(--muted)}
.tab-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.tab-link{padding:10px 14px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--text);font-weight:700}
.tab-link.active{background:var(--primary);border-color:var(--primary);color:#fff}
.role-section{border-left:4px solid var(--primary)}
.role-head{border-left-color:#7c3aed}
.role-sale{border-left-color:#2563eb}
.role-design{border-left-color:#059669}
.quick-view-bar{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px;padding:10px;border:1px dashed var(--line);border-radius:12px;background:#fbfdff}
.row-fields{display:grid;grid-template-columns:1fr}
.upload-panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.grid-4-upload{grid-template-columns:repeat(4,minmax(0,1fr))}
.upload-card{border:1px solid var(--line);border-radius:14px;background:#fbfdff;padding:12px;display:grid;gap:10px}
.field-action-box{border:1px solid var(--line);border-radius:14px;background:#fbfdff;padding:12px;display:grid;gap:10px}
.field-action-title{font-size:13px;color:var(--muted);font-weight:700}
.login-page{display:grid;place-items:center;min-height:100vh}
.login-card{width:min(420px,92vw);background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px}
.popup-overlay{position:fixed;inset:0;background:rgba(15,23,42,.55);display:grid;place-items:center;padding:20px;z-index:1000}
.popup-card{background:#fff;border:1px solid var(--line);border-radius:18px;width:min(900px,100%);max-height:86vh;overflow:auto}
.popup-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);position:sticky;top:0;background:#fff}
.popup-close{border:none;background:#f1f5f9;border-radius:10px;width:36px;height:36px;font-size:24px;cursor:pointer}
.popup-body{padding:16px;display:grid;gap:12px}
.popup-file-item{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fbfdff}
.popup-image{display:block;max-width:100%;max-height:520px;margin-top:10px;border-radius:12px;border:1px solid var(--line)}
.chat-box{display:grid;gap:10px;max-height:55vh;overflow:auto;border:1px solid var(--line);border-radius:14px;padding:12px;background:#fbfdff}
.full-chat{max-height:none;min-height:50vh}
.chat-item{border:1px solid var(--line);border-radius:12px;padding:12px;background:#fff}
.chat-meta{font-size:12px;color:var(--muted);margin-bottom:4px}
.chat-form{display:flex;gap:10px;margin-top:12px}
.chat-form input{flex:1}
.inline-form-row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.inline-form-row input,.inline-form-row select{width:auto;min-width:120px}
.brand-toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:14px}
.brand-settings-layout{display:grid;grid-template-columns:320px 1fr;gap:18px}
.brand-preview-card{border:1px solid var(--line);border-radius:16px;background:#fbfdff;padding:18px;display:grid;gap:14px}
.brand-preview-title{font-weight:700}
.brand-logo-preview,.brand-logo-live{display:block;width:100%;max-width:220px;max-height:220px;object-fit:contain;border:1px solid var(--line);border-radius:14px;background:#fff;padding:10px}
.brand-logo-empty{width:100%;max-width:220px;height:180px;border:1px dashed var(--line);border-radius:14px;display:flex;align-items:center;justify-content:center;color:var(--muted);background:#fff;font-weight:700}
.brand-preview-lines{display:grid;gap:6px}
.brand-upload-block{display:grid;gap:10px;border:1px dashed var(--line);border-radius:12px;padding:14px;background:#fbfdff}
.logo-live-preview-wrap{display:grid;gap:8px}
.orders-head-better{align-items:flex-start}
.orders-head-right{display:grid;gap:10px;min-width:0}
.filter-grid-better{display:grid;grid-template-columns:minmax(240px,1.2fr) 160px 160px 180px auto;gap:10px}
.new-order-action{display:flex;justify-content:flex-end}
.report-filter-form{display:grid;gap:12px}
.empty-state{color:var(--muted)}
@media (max-width:1200px){.stats-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.summary-grid,.compact-grid-4,.grid-4-upload{grid-template-columns:repeat(2,minmax(0,1fr))}.filter-grid-better{grid-template-columns:1fr 1fr 1fr 1fr auto}}
@media (max-width:900px){.sidebar{width:220px}.grid-2,.brand-settings-layout,.compact-grid-2,.compact-grid-3,.upload-panel-grid,.summary-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:700px){.app-shell{flex-direction:column;height:auto}.sidebar{width:auto}.main-area{overflow:visible}.stats-grid{grid-template-columns:1fr}.compact-grid-4,.filter-grid-better,.brand-settings-layout{grid-template-columns:1fr}.chat-form{flex-direction:column}}

.summary-grid-5{grid-template-columns:repeat(5,minmax(0,1fr))}
.popup-frame{display:block;width:100%;height:70vh;border:1px solid var(--line);border-radius:12px;background:#fff}
.popup-file-head{margin-bottom:10px;font-weight:700}
.popup-text{white-space:normal;line-height:1.7}
.upload-card .muted{font-size:13px}
.clean-view-table td .btn{margin-right:6px}
@media (max-width:1200px){.summary-grid-5{grid-template-columns:repeat(3,minmax(0,1fr))}}
@media (max-width:900px){.summary-grid-5{grid-template-columns:1fr}}

.loading-overlay{position:fixed;inset:0;background:rgba(15,23,42,.5);display:grid;place-items:center;z-index:1200}
.loading-card{min-width:320px;max-width:90vw;background:#fff;border:1px solid var(--line);border-radius:18px;padding:24px;display:grid;gap:14px;justify-items:center;box-shadow:0 20px 50px rgba(15,23,42,.18)}
.loading-spinner{width:42px;height:42px;border-radius:999px;border:4px solid #dbeafe;border-top-color:var(--primary);animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}


.nav-group{display:grid;gap:4px}
.nav-parent{color:#cbd5e1;padding:10px 12px;border-radius:12px;font-weight:700}
.nav-parent.active,.nav-parent:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-children{display:grid;gap:4px;margin:0 0 6px 12px;padding-left:10px;border-left:1px solid rgba(255,255,255,.12)}
.nav-child{color:#94a3b8;padding:8px 10px;border-radius:10px;font-size:13px}
.nav-child.active,.nav-child:hover{background:rgba(255,255,255,.06);color:#fff}
.section-muted{opacity:.72}
.section-muted .btn-primary{opacity:.92}
.panel .muted{line-height:1.5}

.nav-link{color:#cbd5e1;padding:10px 12px;border-radius:12px;font-weight:700}
.nav-link.active,.nav-link:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-parent-toggle,.nav-child-toggle{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;border:none;background:transparent;color:#cbd5e1;padding:10px 12px;border-radius:12px;font-weight:700;cursor:pointer;text-align:left}
.nav-parent-toggle.active,.nav-parent-toggle:hover,.nav-child-toggle.active,.nav-child-toggle:hover{background:rgba(255,255,255,.08);color:#fff}
.nav-arrow{font-size:12px;line-height:1;opacity:.9}
.nav-subgroup{display:grid;gap:4px}
.nav-subchildren{display:grid;gap:4px;margin:0 0 4px 12px;padding-left:10px;border-left:1px dashed rgba(255,255,255,.15)}
.nav-grandchild{font-size:12px;padding-left:12px}
.summary-grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.tab-bar-subtle{margin-top:-4px}
.stats-grid-projects{grid-template-columns:repeat(6,minmax(0,1fr))}
.project-grid-top{align-items:start}
.risk-legend{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.risk-pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:800}
.risk-low{background:#dcfce7;color:#166534}
.risk-medium{background:#fef3c7;color:#92400e}
.risk-high{background:#fee2e2;color:#991b1b}
.attention-list{display:grid;gap:10px}
.attention-item{display:grid;gap:6px;padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fbfdff;color:var(--text)}
.attention-item:hover{border-color:#cbd5e1;box-shadow:0 8px 24px rgba(15,23,42,.06)}
.attention-head{display:flex;justify-content:space-between;gap:12px;align-items:center}
.project-kpi-table td{white-space:normal}
.progress-cell{min-width:190px}
.mini-progress{height:10px;background:#e2e8f0;border-radius:999px;overflow:hidden;margin-bottom:6px}
.mini-progress-bar{height:100%;border-radius:999px}
.tone-good{background:#16a34a}
.tone-warn{background:#f59e0b}
.tone-danger{background:#ef4444}
.project-action-stack{display:flex;gap:8px;flex-wrap:wrap}
.flash{padding:12px 14px;border-radius:14px;margin-bottom:16px;font-weight:700}
.flash-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.flash-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.form-actions{display:flex;gap:10px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 14px;border-radius:12px;border:1px solid transparent;font-weight:700;cursor:pointer;text-decoration:none}
.btn-sm{padding:8px 10px;font-size:12px}
.btn-lg{padding:12px 16px}
.btn-primary{background:var(--primary);color:#fff}
.btn-outline{background:#fff;border-color:var(--line);color:var(--text)}
.btn-danger{background:#b91c1c;color:#fff}
.btn.full{width:100%}
label{display:grid;gap:6px;font-weight:600}
label span{font-size:13px;color:var(--muted)}
input,select,textarea,button{font:inherit}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:12px;background:#fff;color:var(--text)}
textarea{min-height:88px;resize:vertical}
.hidden{display:none !important}
.center{text-align:center}
.muted{color:var(--muted)}
@media (max-width:1200px){.stats-grid-projects{grid-template-columns:repeat(3,minmax(0,1fr))}.summary-grid-3{grid-template-columns:1fr}}
@media (max-width:900px){.progress-cell{min-width:150px}}
@media (max-width:700px){.stats-grid-projects{grid-template-columns:1fr}.attention-head{align-items:flex-start;flex-direction:column}.nav-parent-toggle,.nav-child-toggle{padding:10px}}

.text-danger{color:#dc2626;font-weight:700}
.inline-search-wide{display:grid;grid-template-columns:1.2fr 1fr auto auto;gap:10px;align-items:end}
@media (max-width:900px){.inline-search-wide{grid-template-columns:1fr}}