:root{
  --maroon:#6f0f24;
  --maroon-dark:#4f0a18;
  --gold:#c7a24b;
  --gold-soft:#ead8a7;
  --ink:#20242b;
  --muted:#667085;
  --line:#e6e7eb;
  --surface:#ffffff;
  --bg:#f7f5f1;
  --success:#1f7a4d;
  --warning:#9a6700;
  --danger:#a12b2b;
  --radius:18px;
  --shadow:0 14px 36px rgba(32,36,43,.08);
}
*{box-sizing:border-box}
html{min-height:100%;background:var(--bg)}
body{margin:0;min-height:100vh;font-family:"Segoe UI",Arial,sans-serif;color:var(--ink);background:var(--bg);font-size:16px;line-height:1.5}
a{color:var(--maroon);text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
img{max-width:100%;display:block}
.shell{min-height:100vh;padding-top:78px;padding-bottom:24px}
.container{width:min(1180px,calc(100% - 32px));margin:0 auto}
.topbar{position:fixed;inset:0 0 auto 0;height:66px;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);z-index:50}
.topbar-inner{height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:center;gap:12px;min-width:0}
.brand-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(145deg,var(--maroon),var(--maroon-dark));display:grid;place-items:center;color:#fff;font-family:Georgia,serif;font-weight:700;border:2px solid var(--gold-soft)}
.brand-text{min-width:0}
.brand-text strong{display:block;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.brand-text span{font-size:12px;color:var(--muted)}
.nav{display:flex;align-items:center;gap:6px}
.nav a{padding:9px 12px;border-radius:10px;color:#3e4651;font-weight:600;font-size:14px}
.nav a:hover,.nav a.active{background:#f4efe6;color:var(--maroon)}
.user-chip{display:flex;align-items:center;gap:10px;padding-left:14px;border-left:1px solid var(--line);font-size:13px;color:var(--muted)}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:8px 0 22px}
.page-head h1{margin:0;font-size:30px;line-height:1.15;letter-spacing:-.02em}
.page-head p{margin:6px 0 0;color:var(--muted)}
.grid{display:grid;gap:18px}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.card{background:var(--surface);border:1px solid rgba(111,15,36,.08);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
.stat{display:flex;flex-direction:column;gap:7px;min-height:132px;justify-content:center}
.stat .label{font-size:13px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.04em}
.stat .value{font-size:36px;font-weight:750;line-height:1;color:var(--maroon)}
.stat .sub{font-size:13px;color:var(--muted)}
.section-title{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:14px}.section-title h2{font-size:20px;margin:0}.section-title p{margin:3px 0 0;color:var(--muted);font-size:14px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:12px;padding:11px 16px;font-weight:700;min-height:44px;transition:.18s ease;background:#fff;color:var(--ink)}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--maroon);color:#fff;border-color:var(--maroon)}
.btn-primary:hover{background:var(--maroon-dark)}
.btn-gold{background:var(--gold);color:#2d2413}
.btn-outline{border-color:#d8dadd;background:#fff}.btn-danger{background:#fff0f0;color:var(--danger);border-color:#f1c9c9}.btn-sm{min-height:36px;padding:8px 11px;border-radius:9px;font-size:13px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.field{display:flex;flex-direction:column;gap:7px}.field.full{grid-column:1/-1}.field label{font-size:13px;font-weight:750;color:#414751}.input,.select,.textarea{width:100%;border:1px solid #d8dbe0;background:#fff;border-radius:12px;padding:11px 13px;min-height:46px;color:var(--ink);outline:none}.textarea{min-height:110px;resize:vertical}.input:focus,.select:focus,.textarea:focus{border-color:var(--maroon);box-shadow:0 0 0 3px rgba(111,15,36,.09)}
.help{font-size:12px;color:var(--muted)}
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px}table{width:100%;border-collapse:collapse;min-width:720px;background:#fff}th,td{text-align:left;padding:13px 14px;border-bottom:1px solid var(--line);vertical-align:top}th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:#fbfaf8}td{font-size:14px}tr:last-child td{border-bottom:0}
.badge{display:inline-flex;align-items:center;border-radius:999px;padding:5px 9px;font-size:12px;font-weight:750;background:#f1f2f4;color:#505761}.badge-success{background:#e8f5ee;color:var(--success)}.badge-warning{background:#fff4d6;color:var(--warning)}.badge-danger{background:#fdeaea;color:var(--danger)}.badge-maroon{background:#f5e9ec;color:var(--maroon)}
.alert{border-radius:13px;padding:12px 14px;margin-bottom:14px;border:1px solid}.alert-success{background:#eef8f2;border-color:#cae8d6;color:#1f6f48}.alert-error{background:#fff0f0;border-color:#f0cccc;color:#8a2424}.alert-info{background:#f4f0e9;border-color:#e6dbc4;color:#5f4c26}
.empty{text-align:center;padding:42px 20px;color:var(--muted)}
.copy-field{display:flex;gap:8px}.copy-field .input{font-family:Consolas,monospace;font-size:13px}

/* Login */
.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.25fr) minmax(420px,.75fr);background:#f4f1eb}.login-visual{position:relative;background:url('../img/istana-login.png') center/cover no-repeat}.login-visual:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(41,14,20,.2),rgba(41,14,20,.5))}.login-caption{position:absolute;z-index:2;left:48px;bottom:48px;max-width:560px;color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.25)}.login-caption .eyebrow{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#f0dca3;font-weight:800}.login-caption h1{font-family:Georgia,serif;font-weight:500;font-size:46px;line-height:1.08;margin:9px 0 12px}.login-panel{display:flex;align-items:center;justify-content:center;padding:38px}.login-card{width:min(440px,100%);background:#fff;border:1px solid rgba(111,15,36,.1);border-radius:24px;padding:32px;box-shadow:0 24px 70px rgba(51,31,24,.12)}.login-seal{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;margin-bottom:18px;background:var(--maroon);color:#fff;border:4px double var(--gold-soft);font-family:Georgia,serif;font-size:24px}.login-card h2{font-size:26px;margin:0 0 6px}.login-card .lead{margin:0 0 24px;color:var(--muted)}.login-card .btn{width:100%;margin-top:4px}.login-footer{margin-top:22px;padding-top:18px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}

/* Invitation */
.invitation-body{background:#f1eee7;min-height:100vh;padding:24px 12px}.invite-card{width:min(690px,100%);margin:0 auto;background:#fff;border-radius:28px;overflow:hidden;box-shadow:0 30px 90px rgba(51,35,24,.16);border:1px solid #e4ded2}.invite-top{background:linear-gradient(145deg,var(--maroon),#8d1530);color:#fff;padding:30px 28px 26px;text-align:center;border-bottom:5px solid var(--gold)}.invite-top .crest-placeholder{width:70px;height:70px;margin:0 auto 15px;border-radius:50%;display:grid;place-items:center;border:2px solid var(--gold-soft);font-family:Georgia,serif;font-size:26px;background:rgba(255,255,255,.07)}.invite-top .overline{font-size:12px;letter-spacing:.14em;text-transform:uppercase;color:#f0dca3;font-weight:800}.invite-top h1{font-family:Georgia,serif;font-weight:500;font-size:30px;margin:8px 0 4px}.invite-main{padding:30px 28px}.invite-to{text-align:center;margin-bottom:24px}.invite-to .small{font-size:13px;color:var(--muted)}.invite-to h2{font-family:Georgia,serif;font-size:28px;margin:7px 0}.event-name{text-align:center;font-size:20px;font-weight:800;color:var(--maroon);margin:20px 0}.event-meta{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin:18px 0}.meta-box{border:1px solid var(--line);border-radius:14px;padding:13px;text-align:center}.meta-box span{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);font-weight:800}.meta-box strong{display:block;margin-top:4px;font-size:14px}.qr-box{display:flex;flex-direction:column;align-items:center;justify-content:center;border:1px solid #ded7ca;background:#fbfaf8;border-radius:18px;padding:20px;margin:20px auto;width:min(350px,100%)}#qrCanvas{width:min(280px,100%);height:auto;image-rendering:pixelated}.qr-code-text{font:12px Consolas,monospace;color:var(--muted);margin-top:10px;word-break:break-all;text-align:center}.rsvp-box{margin-top:24px;border-top:1px solid var(--line);padding-top:22px}.rsvp-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px}.rsvp-actions .btn{width:100%}.invite-note{margin-top:20px;padding:14px;border-radius:13px;background:#f8f4ec;color:#65573b;font-size:13px}.invite-foot{text-align:center;padding:18px 28px 28px;color:var(--muted);font-size:12px}

/* Scanner */
.scan-page{background:#151515;color:#fff;min-height:100vh}.scan-shell{min-height:100vh;display:grid;grid-template-rows:auto 1fr auto}.scan-head{display:flex;justify-content:space-between;align-items:center;padding:14px 18px;background:#21171a;border-bottom:1px solid rgba(255,255,255,.1)}.scan-head strong{font-size:16px}.scan-head span{font-size:12px;color:#d3c6c9}.scanner-stage{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(340px,.8fr);gap:18px;padding:18px;min-height:0}.camera-card{position:relative;background:#000;border-radius:22px;overflow:hidden;min-height:520px;border:1px solid rgba(255,255,255,.12)}#cameraVideo{width:100%;height:100%;object-fit:cover;display:block;position:absolute;inset:0}.scan-overlay{position:absolute;inset:0;pointer-events:none;display:grid;place-items:center;background:radial-gradient(circle at center,transparent 0 25%,rgba(0,0,0,.15) 60%)}.scan-frame{width:min(430px,68%);aspect-ratio:1;border:3px solid #e5c768;border-radius:28px;box-shadow:0 0 0 999px rgba(0,0,0,.15)}.scan-side{display:flex;flex-direction:column;gap:14px}.scan-result{background:#fff;color:var(--ink);border-radius:22px;padding:22px;min-height:280px}.scan-result.idle{display:flex;align-items:center;justify-content:center;text-align:center;color:var(--muted)}.scan-result.success{border:3px solid #37a36b}.scan-result.duplicate{border:3px solid #d79a2b}.scan-result.error{border:3px solid #c94d4d}.scan-result h2{font-size:28px;margin:0 0 10px}.scan-name{font-family:Georgia,serif;font-size:30px;margin:12px 0;color:var(--maroon)}.scan-meta{display:grid;grid-template-columns:1fr 1fr;gap:10px}.scan-meta div{background:#f6f3ee;border-radius:12px;padding:10px}.scan-meta span{display:block;font-size:11px;color:var(--muted);text-transform:uppercase;font-weight:800}.scan-controls{background:#21171a;border-radius:18px;padding:16px}.scan-controls label{font-size:12px;color:#d6c8cc;display:block;margin-bottom:6px}.scan-controls .input{background:#2f2528;border-color:#4c3b40;color:#fff}.manual-row{display:flex;gap:8px;margin-top:10px}.manual-row .input{flex:1}.scan-foot{padding:10px 18px;color:#b9adb0;font-size:12px;text-align:center;border-top:1px solid rgba(255,255,255,.08)}

.bottom-nav{display:none}
@media (max-width:960px){.grid-4{grid-template-columns:repeat(2,1fr)}.login-page{grid-template-columns:1fr}.login-visual{display:none}.scanner-stage{grid-template-columns:1fr}.camera-card{min-height:58vh}.scan-side{display:grid;grid-template-columns:1fr 1fr}.nav{display:none}.bottom-nav{display:flex;position:fixed;left:12px;right:12px;bottom:12px;z-index:80;background:rgba(255,255,255,.97);border:1px solid var(--line);box-shadow:0 12px 35px rgba(0,0,0,.16);border-radius:18px;padding:7px;justify-content:space-around}.bottom-nav a{flex:1;text-align:center;padding:8px 6px;font-size:11px;color:#555;border-radius:12px;font-weight:700}.bottom-nav a.active{background:#f4ede5;color:var(--maroon)}.shell{padding-bottom:92px}.user-chip{display:none}}
@media (max-width:640px){.container{width:min(100% - 22px,1180px)}.page-head{align-items:flex-start;flex-direction:column}.page-head h1{font-size:26px}.grid-4,.grid-2,.form-grid{grid-template-columns:1fr}.field.full{grid-column:auto}.card{padding:18px}.event-meta{grid-template-columns:1fr}.invite-main{padding:24px 18px}.invite-top{padding:25px 18px 22px}.invite-to h2{font-size:24px}.rsvp-actions{grid-template-columns:1fr}.scan-side{display:flex}.scan-head{align-items:flex-start;gap:10px}.camera-card{min-height:52vh}.scan-frame{width:74%}}