:root{
  --bg:#f6f8fb;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#64748b;
  --line:#e2e8f0;
  --primary:#2563eb;
  --primary-2:#1d4ed8;
  --danger:#dc2626;
  --success:#16a34a;
  --shadow: 0 10px 30px rgba(2,6,23,.08);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 600px at 10% 0%, #eaf2ff 0%, transparent 60%),
              radial-gradient(900px 500px at 100% 10%, #e9fff1 0%, transparent 55%),
              var(--bg);
  color:var(--text);
}

a{color:inherit; text-decoration:none}
.app{min-height:100%; display:flex; flex-direction:column}

.topbar{
  position:sticky; top:0; z-index:50;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between;
  padding: 12px 16px;
}
.brand{display:flex; align-items:center; gap:12px}
.logo{
  width:42px; height:42px; border-radius:14px;
  display:grid; place-items:center;
  background: linear-gradient(135deg, #dbeafe, #dcfce7);
  box-shadow: 0 8px 18px rgba(2,6,23,.08);
  font-size:20px;
}
.brand-text .appname{font-weight:800; letter-spacing:.2px; line-height:1.1}
.brand-text .school{font-size:12px; color:var(--muted); margin-top:2px}

.top-actions{display:flex; gap:10px; align-items:center}

.nav{
  position:sticky; top:67px; z-index:40;
  display:flex; gap:10px;
  padding: 10px 16px;
  background: rgba(246,248,251,.6);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
  overflow:auto;
}
.nav-item{
  flex:0 0 auto;
  display:flex; align-items:center; gap:10px;
  padding: 10px 12px;
  border-radius: 16px;
  border:1px solid transparent;
  background: rgba(255,255,255,.7);
}
.nav-item.active{
  border-color: rgba(37,99,235,.25);
  box-shadow: 0 10px 24px rgba(37,99,235,.12);
}
.nav-icon{font-size:16px}
.nav-label{font-weight:700; font-size:13px}

.content{width:100%; max-width:none; margin:0; padding: 14px 16px 40px}
.footer{margin-top:auto; padding: 18px 16px; text-align:center; color:var(--muted); font-size:12px}

.card{
  background: var(--card);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 14px;
}
.card + .card{margin-top:14px}

.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 14px;
}
.col-12{grid-column: span 12}
.col-8{grid-column: span 12}
.col-4{grid-column: span 12}
@media(min-width: 960px){
  .col-8{grid-column: span 8}
  .col-4{grid-column: span 4}
}
@media(min-width: 1200px){
  .page-grid-wide .col-4{grid-column: span 4}
  .page-grid-wide .col-8{grid-column: span 8}
}

.h1{font-size:20px; font-weight:900; margin:0 0 6px}
.sub{color:var(--muted); font-size:13px; margin:0 0 10px}
.hr{height:1px; background:var(--line); margin:12px 0}

.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:8px;
  height:42px;
  padding: 0 14px;
  border-radius: 14px;
  border:1px solid rgba(2,6,23,.08);
  background: #fff;
  font-weight:800;
  cursor:pointer;
  transition: transform .05s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:active{transform: translateY(1px)}
.btn.primary{
  background: linear-gradient(135deg, var(--primary), var(--primary-2));
  color:#fff;
  border-color: transparent;
}
.btn.ghost{
  background: transparent;
}
.btn.danger{
  background: #fff;
  border-color: rgba(220,38,38,.25);
  color: var(--danger);
}
.btn.small{height:36px; padding:0 12px; border-radius: 12px; font-size:13px}

.row{display:flex; flex-wrap:wrap; gap:10px; align-items:center}
.spread{justify-content:space-between}

.input, select, textarea{
  width:100%;
  height:44px;
  border-radius: 14px;
  border:1px solid var(--line);
  background:#fff;
  padding: 0 12px;
  font-size:14px;
  outline:none;
}
textarea{height:auto; padding:10px 12px}
label{display:block; font-size:12px; color:var(--muted); margin: 10px 0 6px; font-weight:700}
.form-grid{display:grid; grid-template-columns: repeat(12, 1fr); gap:12px}
.form-grid .c6{grid-column: span 12}
.form-grid .c12{grid-column: span 12}
@media(min-width: 720px){
  .form-grid .c6{grid-column: span 6}
}

.table{
  width:100%;
  border-collapse: collapse;
  overflow:hidden;
}
.table th, .table td{
  text-align:left;
  padding: 10px 10px;
  border-bottom:1px solid var(--line);
  font-size: 13px;
}
.table th{font-size:12px; color:var(--muted); font-weight:900}
.table tr:hover td{background: rgba(37,99,235,.04)}
.badge{
  display:inline-flex; align-items:center; gap:6px;
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  font-weight:800; font-size:12px;
}
.badge.success{border-color: rgba(22,163,74,.25); color: var(--success); background: rgba(22,163,74,.06)}
.badge.danger{border-color: rgba(220,38,38,.25); color: var(--danger); background: rgba(220,38,38,.06)}
.badge.info{border-color: rgba(37,99,235,.22); color: var(--primary); background: rgba(37,99,235,.06)}

.alert{
  border-radius: 16px;
  padding: 10px 12px;
  border:1px solid var(--line);
  background: rgba(255,255,255,.7);
  font-size: 13px;
}
.alert.success{border-color: rgba(22,163,74,.25); background: rgba(22,163,74,.06)}
.alert.danger{border-color: rgba(220,38,38,.25); background: rgba(220,38,38,.06)}
.alert.info{border-color: rgba(37,99,235,.22); background: rgba(37,99,235,.06)}

.video-wrap{
  border-radius: 20px;
  overflow:hidden;
  border:1px solid var(--line);
  background:#000;
  position:relative;
  aspect-ratio: 3/4;
  max-height: 520px;
}
.video-wrap video{
  width:100%;
  height:100%;
  object-fit: cover;
}
.scan-overlay{
  position:absolute; inset:0;
  display:flex; align-items:center; justify-content:center;
  pointer-events:none;
}
.scan-box{
  width: 78%;
  height: 38%;
  border-radius: 16px;
  border: 2px solid rgba(255,255,255,.8);
  box-shadow: 0 0 0 999px rgba(0,0,0,.25);
}
.kbd{
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 12px;
  padding: 2px 6px;
  border-radius: 8px;
  border:1px solid var(--line);
  background:#fff;
}


/* Patch layout: konten didekatkan ke navigasi dan kolom isian dibuat lebih lega */
.grid{align-items:start}
.form-grid.wide-fields{max-width:1100px}
.card.settings-card{max-width:1180px}
@media(min-width: 960px){
  .card form .input{min-height:46px}
  .col-4 .card{min-width:0}
}
@media(min-width: 1280px){
  .content .grid{max-width:1420px}
  .content .grid:not(.page-grid-wide){margin-left:0;margin-right:auto}
}
@media(max-width: 720px){
  .topbar{position:sticky;top:0}
  .nav{top:66px}
  .content{padding:12px 12px 34px}
  .row.spread{align-items:flex-start}
  .row form .input{width:100%!important}
}

/* Patch v2: navigasi, header, dan konten dibuat satu garis; kolom isian diperluas */
.topbar,
.nav,
.content{
  padding-left: clamp(16px, 2.8vw, 56px);
  padding-right: clamp(16px, 2.8vw, 56px);
}
.nav{
  top:67px;
  padding-top:10px;
  padding-bottom:10px;
  margin:0;
}
.content{
  width:100%;
  max-width:none !important;
  margin:0 !important;
  padding-top:16px;
}
.content > .grid{
  width:100% !important;
  max-width:none !important;
  margin:0 !important;
  grid-template-columns:repeat(12,minmax(0,1fr));
  gap:18px;
}
.content > .grid > .col-4,
.content > .grid > .col-8,
.content > .grid > .col-12{
  min-width:0;
}
.card{
  padding:18px;
}
.input, select, textarea{
  height:50px;
  border-radius:16px;
  font-size:15px;
}
textarea{height:auto; min-height:96px; padding:12px 14px}
.form-grid{gap:14px}
label{font-size:13px; margin:12px 0 7px}
.row.spread{gap:14px}
.row.spread > .row,
.row.spread > form.row{flex:1 1 auto; justify-content:flex-end}
.row form .input{min-width:280px}
.table th,.table td{padding:13px 12px}
@media(min-width: 980px){
  .content > .grid > .col-4{grid-column:span 5}
  .content > .grid > .col-8{grid-column:span 7}
  .content > .grid > .col-12{grid-column:span 12}
  .content > .grid > .col-4 .card{width:100%}
  .content > .grid > .col-8 .card{width:100%}
}
@media(min-width: 1500px){
  .content > .grid > .col-4{grid-column:span 4}
  .content > .grid > .col-8{grid-column:span 8}
  .card{padding:20px}
  .input, select{height:52px}
}
@media(max-width: 979px){
  .content > .grid > .col-4,
  .content > .grid > .col-8,
  .content > .grid > .col-12{grid-column:span 12}
  .row.spread > .row,
  .row.spread > form.row{justify-content:flex-start}
  .row form .input{min-width:0;width:100%!important}
}
@media(max-width: 720px){
  .topbar,.nav,.content{padding-left:12px;padding-right:12px}
  .nav{top:66px}
  .content{padding-top:12px}
  .card{padding:14px}
  .input,select,textarea{height:46px}
}