/* assets/css/style.css */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --secondary: #64748b;
  --success: #16a34a;
  --success-light: #f0fdf4;
  --warning: #d97706;
  --warning-light: #fffbeb;
  --danger: #dc2626;
  --danger-light: #fef2f2;
  --info: #0891b2;
  --info-light: #ecfeff;
  --bg: #f8fafc;
  --surface: #ffffff;
  --border: #e2e8f0;
  --border-dark: #cbd5e1;
  --text: #0f172a;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --sidebar-bg: #0f172a;
  --sidebar-text: #94a3b8;
  --sidebar-active: #2563eb;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --shadow-md: 0 4px 6px rgba(0,0,0,.07), 0 2px 4px rgba(0,0,0,.05);
  --shadow-lg: 0 10px 15px rgba(0,0,0,.08), 0 4px 6px rgba(0,0,0,.05);
}
*{margin:0;padding:0;box-sizing:border-box}
html{font-size:14px;-webkit-font-smoothing:antialiased}
body{font-family:'Inter',system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}
/* ---- Layout ---- */
.layout{display:flex;min-height:100vh}
.sidebar{width:240px;background:var(--sidebar-bg);flex-shrink:0;display:flex;flex-direction:column;position:fixed;top:0;left:0;height:100vh;overflow-y:auto;z-index:100}
.main-content{margin-left:240px;flex:1;display:flex;flex-direction:column;min-height:100vh}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);padding:0 24px;height:60px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:50}
.page-content{padding:24px;flex:1}
/* ---- Sidebar ---- */
.sidebar-brand{padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.06)}
.brand-name{font-size:18px;font-weight:800;color:#fff;letter-spacing:-.5px}
.brand-sub{font-size:10px;color:var(--sidebar-text);text-transform:uppercase;letter-spacing:1px;margin-top:2px}
.sidebar-menu{padding:12px 0;flex:1}
.menu-section{padding:16px 18px 6px;font-size:10px;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,.3);font-weight:600}
.menu-item{display:flex;align-items:center;gap:10px;padding:9px 18px;color:var(--sidebar-text);cursor:pointer;transition:all .15s;font-size:13px;border-left:2px solid transparent;text-decoration:none}
.menu-item:hover{color:#fff;background:rgba(255,255,255,.05);text-decoration:none}
.menu-item.active{color:#fff;background:rgba(37,99,235,.2);border-left-color:var(--primary)}
.menu-icon{width:16px;text-align:center;font-size:14px}
.sidebar-footer{padding:16px 18px;border-top:1px solid rgba(255,255,255,.06)}
/* ---- Cards ---- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow)}
.card-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-title{font-size:14px;font-weight:600}
.card-body{padding:20px}
.card-footer{padding:12px 20px;border-top:1px solid var(--border);background:#fafafa;border-radius:0 0 var(--radius) var(--radius)}
/* ---- Stat Cards ---- */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;margin-bottom:24px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:12px}
.stat-value{font-size:28px;font-weight:700;line-height:1;letter-spacing:-1px}
.stat-label{font-size:12px;color:var(--text-muted);margin-top:4px;text-transform:uppercase;letter-spacing:.5px}
.stat-change{font-size:12px;margin-top:6px;display:flex;align-items:center;gap:4px}
/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:all .2s;border:1px solid transparent;text-decoration:none;font-family:inherit}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}
.btn-primary:hover{background:var(--primary-dark);color:#fff}
.btn-secondary{background:var(--surface);color:var(--text);border-color:var(--border)}
.btn-secondary:hover{background:var(--bg)}
.btn-success{background:var(--success);color:#fff}
.btn-success:hover{background:#15803d;color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-danger:hover{background:#b91c1c;color:#fff}
.btn-outline{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--primary);color:#fff}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-xs{padding:3px 8px;font-size:11px}
.btn-lg{padding:11px 22px;font-size:15px}
.btn-block{width:100%;justify-content:center}
/* ---- Forms ---- */
.form-group{margin-bottom:16px}
.form-label{display:block;margin-bottom:6px;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px}
.form-control{width:100%;padding:9px 13px;border:1px solid var(--border-dark);border-radius:var(--radius-sm);font-size:13px;font-family:inherit;color:var(--text);background:var(--surface);transition:border .2s,box-shadow .2s}
.form-control:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.1)}
select.form-control{cursor:pointer}
textarea.form-control{resize:vertical;min-height:90px}
.form-text{font-size:11px;color:var(--text-light);margin-top:4px}
.form-check{display:flex;align-items:center;gap:8px;cursor:pointer;font-size:13px}
.form-check input{width:auto;cursor:pointer}
.input-group{display:flex;gap:0}
.input-group .form-control{border-radius:var(--radius-sm) 0 0 var(--radius-sm)}
.input-group .btn{border-radius:0 var(--radius-sm) var(--radius-sm) 0;flex-shrink:0}
/* ---- Tables ---- */
.table-wrapper{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{text-align:left;padding:10px 14px;font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.6px;border-bottom:2px solid var(--border);white-space:nowrap}
td{padding:11px 14px;font-size:13px;border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tbody tr:hover{background:var(--bg)}
/* ---- Badges ---- */
.badge{display:inline-flex;align-items:center;padding:3px 9px;border-radius:20px;font-size:11px;font-weight:600;letter-spacing:.2px}
.badge-primary{background:var(--primary-light);color:var(--primary)}
.badge-success{background:var(--success-light);color:var(--success)}
.badge-warning{background:var(--warning-light);color:var(--warning)}
.badge-danger{background:var(--danger-light);color:var(--danger)}
.badge-info{background:var(--info-light);color:var(--info)}
.badge-gray{background:#f1f5f9;color:#475569}
/* ---- Alerts ---- */
.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:13px;margin-bottom:16px;display:flex;align-items:flex-start;gap:10px}
.alert-success{background:var(--success-light);border:1px solid #bbf7d0;color:#15803d}
.alert-danger{background:var(--danger-light);border:1px solid #fecaca;color:#b91c1c}
.alert-warning{background:var(--warning-light);border:1px solid #fde68a;color:#92400e}
.alert-info{background:var(--info-light);border:1px solid #a5f3fc;color:#0e7490}
/* ---- Pagination ---- */
.pagination{display:flex;gap:4px;align-items:center}
.page-item{padding:6px 10px;border-radius:var(--radius-sm);font-size:13px;cursor:pointer;border:1px solid var(--border);color:var(--text-muted);transition:all .15s;text-decoration:none;display:inline-flex;align-items:center}
.page-item:hover,.page-item.active{background:var(--primary);color:#fff;border-color:var(--primary);text-decoration:none}
/* ---- Progress ---- */
.progress{background:#e2e8f0;border-radius:20px;height:8px;overflow:hidden}
.progress-bar{height:100%;border-radius:20px;transition:width .4s ease}
.progress-primary{background:var(--primary)}
.progress-success{background:var(--success)}
.progress-warning{background:var(--warning)}
.progress-danger{background:var(--danger)}
/* ---- Modals ---- */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:200;display:flex;align-items:center;justify-content:center;padding:16px}
.modal{background:var(--surface);border-radius:var(--radius);width:100%;max-width:520px;max-height:85vh;overflow-y:auto;box-shadow:var(--shadow-lg)}
.modal-header{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:15px;font-weight:600}
.modal-body{padding:20px}
.modal-footer{padding:14px 20px;border-top:1px solid var(--border);display:flex;gap:8px;justify-content:flex-end}
.modal-close{background:none;border:none;font-size:20px;cursor:pointer;color:var(--text-muted);line-height:1;padding:0 4px}
.modal-close:hover{color:var(--text)}
/* ---- Survey specific ---- */
.survey-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:20px;margin-bottom:16px;box-shadow:var(--shadow);transition:box-shadow .2s}
.survey-card:hover{box-shadow:var(--shadow-md)}
.question-block{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:14px}
.question-num{font-size:11px;font-weight:700;color:var(--primary);text-transform:uppercase;letter-spacing:.5px;margin-bottom:6px}
.question-text{font-size:14px;font-weight:500;margin-bottom:14px}
.likert-scale{display:flex;gap:6px;flex-wrap:wrap}
.likert-btn{min-width:40px;padding:8px 4px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg);cursor:pointer;text-align:center;font-size:13px;font-weight:600;color:var(--text-muted);transition:all .2s;font-family:inherit}
.likert-btn:hover{border-color:var(--primary);color:var(--primary)}
.likert-btn.selected{background:var(--primary);border-color:var(--primary);color:#fff}
.likert-labels{display:flex;justify-content:space-between;font-size:10px;color:var(--text-light);margin-top:4px}
.scale-full{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.scale-4{display:grid;grid-template-columns:repeat(4,1fr);gap:6px}
/* ---- Tracer form ---- */
.tracer-section{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:20px;overflow:hidden}
.tracer-section-header{padding:14px 20px;background:var(--bg);border-bottom:1px solid var(--border);font-weight:600;font-size:13px;display:flex;align-items:center;gap:8px}
.tracer-section-body{padding:20px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
/* ---- Public pages ---- */
.public-hero{background:linear-gradient(135deg,#1e40af 0%,#0891b2 100%);color:#fff;padding:60px 0}
.public-container{max-width:1140px;margin:0 auto;padding:0 20px}
.hero-title{font-size:36px;font-weight:800;line-height:1.2;margin-bottom:12px}
.hero-sub{font-size:16px;opacity:.85;margin-bottom:28px}
.section-title{font-size:22px;font-weight:700;margin-bottom:6px}
.section-sub{font-size:14px;color:var(--text-muted);margin-bottom:28px}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:20px}
.public-stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow)}
.public-stat-num{font-size:36px;font-weight:800;color:var(--primary);letter-spacing:-2px}
.survey-entry-card{border:2px solid var(--border);border-radius:var(--radius);padding:22px;transition:all .2s;cursor:pointer;background:var(--surface)}
.survey-entry-card:hover{border-color:var(--primary);box-shadow:var(--shadow-md)}
/* ---- Misc ---- */
.divider{height:1px;background:var(--border);margin:20px 0}
.text-muted{color:var(--text-muted)}
.text-success{color:var(--success)}
.text-danger{color:var(--danger)}
.text-warning{color:var(--warning)}
.text-primary{color:var(--primary)}
.text-sm{font-size:12px}
.text-xs{font-size:11px}
.fw-600{font-weight:600}
.fw-700{font-weight:700}
.mt-4{margin-top:4px}.mt-8{margin-top:8px}.mt-12{margin-top:12px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}
.mb-4{margin-bottom:4px}.mb-8{margin-bottom:8px}.mb-12{margin-bottom:12px}.mb-16{margin-bottom:16px}.mb-24{margin-bottom:24px}
.flex{display:flex}.items-center{align-items:center}.justify-between{justify-content:space-between}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:16px}
.empty-state{text-align:center;padding:48px 20px;color:var(--text-muted)}
.empty-icon{font-size:40px;margin-bottom:12px}
.avatar{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}
.avatar-blue{background:var(--primary)}.avatar-green{background:var(--success)}.avatar-amber{background:var(--warning)}
/* ---- Responsive ---- */
@media(max-width:768px){
  .sidebar{transform:translateX(-100%);transition:transform .3s}
  .sidebar.open{transform:none}
  .main-content{margin-left:0}
  .form-row{grid-template-columns:1fr}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .stat-grid{grid-template-columns:1fr 1fr}
}
/* ---- Topbar search ---- */
.topbar-title{font-size:15px;font-weight:600;flex:1}
.topbar-user{display:flex;align-items:center;gap:8px;font-size:13px}
/* ---- Chart wrap ---- */
.chart-wrap{position:relative;width:100%;height:250px}
/* ---- Tabs ---- */
.nav-tabs{display:flex;border-bottom:2px solid var(--border);margin-bottom:20px;gap:0}
.nav-tab{padding:10px 18px;font-size:13px;font-weight:500;color:var(--text-muted);cursor:pointer;border-bottom:2px solid transparent;margin-bottom:-2px;transition:all .2s;text-decoration:none}
.nav-tab:hover{color:var(--text);text-decoration:none}
.nav-tab.active{color:var(--primary);border-bottom-color:var(--primary)}
/* ---- Print ---- */
@media print{.sidebar,.topbar,.btn{display:none!important}.main-content{margin-left:0}}