:root {
  --ink: #0b132b; --muted: #5c677d; --line: #c9cfda; --panel: #f1f4f9; --bg: #ffffff;
  --red: #d62828; --blue: #2f6fec; --amber: #fcbf49; --teal: #168f85; --dark: #0b132b;
  --radius: 12px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.45 "Segoe UI", Calibri, Arial, sans-serif; }
h1, h2, h3 { margin: 0 0 .4em; line-height: 1.2; font-family: Arial, "Segoe UI", sans-serif; }
h1 { font-size: 1.7rem; } h2 { font-size: 1.3rem; } h3 { font-size: 1.05rem; }
p { margin: 0 0 .7em; }
.muted { color: var(--muted); }
.small { font-size: .85rem; }
.tag { font-size: .72rem; font-weight: 700; letter-spacing: .18em; text-transform: uppercase; color: var(--red); }
.wrap { max-width: 860px; margin: 0 auto; padding: 16px; }
.wrap.wide { max-width: 1240px; }

/* topbar */
.top { background: var(--dark); color: #fff; }
.top .in { display: flex; align-items: center; gap: 12px; padding: 10px 16px; max-width: 1240px; margin: 0 auto; }
.top .brand { font-weight: 700; letter-spacing: .06em; font-size: .9rem; }
.top .brand b { color: var(--amber); }
.top .sp { flex: 1; }
.top .who { font-size: .85rem; opacity: .9; text-align: right; }
.top a, .top button.linkish { color: #fff; opacity: .85; font-size: .85rem; background: none; border: 0; cursor: pointer; text-decoration: underline; }

/* controls */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 42px; padding: 8px 16px; border-radius: 10px; border: 1.5px solid var(--line); background: #fff; color: var(--ink); font: inherit; font-weight: 600; cursor: pointer; }
.btn:hover:not(:disabled) { border-color: var(--ink); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn.danger { background: var(--red); border-color: var(--red); color: #fff; }
.btn.dark { background: var(--dark); border-color: var(--dark); color: #fff; }
.btn.amber { background: var(--amber); border-color: var(--amber); color: var(--dark); }
.btn.sm { min-height: 34px; padding: 4px 12px; font-size: .88rem; }
.btn.block { width: 100%; }
label.f { display: block; font-weight: 600; margin: 12px 0 4px; }
input[type=text], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 10px 12px; border: 1.5px solid var(--line); border-radius: 10px; font: inherit; color: var(--ink); background: #fff;
}
input:focus, select:focus, textarea:focus { outline: 3px solid rgba(47, 111, 236, .25); border-color: var(--blue); }
textarea { resize: vertical; min-height: 110px; }
input[type=number] { width: 80px; }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.row.end { justify-content: flex-end; }
.grow { flex: 1; min-width: 0; }

/* cards */
.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; margin-bottom: 14px; }
.card.white { background: #fff; }
.card h2, .card h3 { margin-top: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 760px) { .grid2, .grid3 { grid-template-columns: 1fr; } }

.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .78rem; font-weight: 700; background: #e3e7ef; color: var(--muted); }
.badge.green { background: #d9f2ee; color: var(--teal); }
.badge.red { background: #fde1e1; color: var(--red); }
.badge.blue { background: #dfe9fd; color: var(--blue); }
.badge.amber { background: #fff1cc; color: #8a5a00; }
.banner { border-radius: var(--radius); padding: 12px 16px; margin-bottom: 14px; font-weight: 600; }
.banner.red { background: var(--red); color: #fff; }
.banner.amber { background: var(--amber); color: var(--dark); }
.banner.blue { background: #dfe9fd; color: #123a8c; }
.banner.green { background: #d9f2ee; color: #0d5c55; }
.err { color: var(--red); font-weight: 600; margin-top: 8px; }

/* timer */
.timer { font: 700 2rem/1 "Consolas", "Courier New", monospace; letter-spacing: .03em; }
.timer.low { color: var(--red); }
.timer.off { color: var(--muted); }
.stick { position: sticky; top: 0; z-index: 5; background: #fff; border-bottom: 1px solid var(--line); }
.stick .in { display: flex; align-items: center; gap: 12px; padding: 10px 16px; max-width: 860px; margin: 0 auto; }

/* evidence */
.bukti { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; margin-bottom: 14px; }
.ev { background: #fff; border: 1.5px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.ev .evh { font-size: .72rem; font-weight: 700; letter-spacing: .12em; text-transform: uppercase; color: var(--muted); padding: 8px 12px 0; }
.ev-web .bar { background: var(--muted); color: #fff; padding: 6px 10px; font-size: .8rem; display: flex; gap: 6px; align-items: center; }
.ev-web .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--amber); }
.ev-web .dot:first-child { background: var(--red); }
.ev-web .url { background: #fff; color: var(--muted); border-radius: 5px; padding: 1px 8px; margin-left: 6px; flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ev-web .screen { background: var(--dark); color: var(--amber); text-align: center; padding: 26px 12px; }
.ev-web .screen b { display: block; font: 800 1.6rem/1.15 Arial, sans-serif; }
.ev-web .screen span { display: block; margin-top: 10px; color: #fff; font-weight: 700; }
.ev-chat { border-color: var(--teal); }
.ev-chat .meta { padding: 10px 12px 0; font-size: .82rem; color: var(--muted); font-weight: 600; }
.ev-chat .txt { padding: 6px 12px 14px; font-size: 1.1rem; font-weight: 700; }
.ev-log { background: var(--dark); border-color: var(--dark); }
.ev-log pre { margin: 0; padding: 14px; color: #fff; font: 14px/1.6 Consolas, "Courier New", monospace; white-space: pre-wrap; }
.ev-log .warn { color: var(--amber); } .ev-log .bad { color: #ff8a8a; font-weight: 700; }
.ev-email { border-color: var(--amber); }
.ev-email .hd { padding: 10px 12px 0; font-size: .85rem; color: var(--muted); }
.ev-email .sub { padding: 2px 12px; font-weight: 700; }
.ev-email .txt { padding: 4px 12px 12px; }
.ev-note { border-color: var(--red); }
.ev-note .txt { padding: 6px 12px 14px; font-family: Consolas, "Courier New", monospace; font-size: .95rem; }

.red-says { background: var(--red); color: #fff; border-radius: var(--radius); padding: 12px 16px; margin-bottom: 14px; }
.red-says .tag { color: #fff; opacity: .9; display: block; margin-bottom: 2px; }
.red-says i { font-size: 1.05rem; }

.task { margin-bottom: 16px; }
.task .q { display: flex; gap: 10px; font-weight: 700; margin-bottom: 6px; }
.task .n { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--blue); color: #fff; display: grid; place-items: center; font-size: .85rem; }
.count { text-align: right; font-size: .78rem; color: var(--muted); }

/* tables */
table { width: 100%; border-collapse: collapse; }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--dark); color: #fff; font-size: .85rem; }
td.num, th.num { text-align: center; }
tr.me td { background: #fff1cc; font-weight: 700; }
.tabs { display: flex; gap: 6px; flex-wrap: wrap; margin: 12px 0; }
.tab { padding: 8px 16px; border-radius: 999px; border: 1.5px solid var(--line); background: #fff; font-weight: 700; cursor: pointer; font: inherit; font-weight: 700; }
.tab.on { background: var(--dark); border-color: var(--dark); color: #fff; }
.qr { width: 180px; height: 180px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 6px; }
.qr svg { width: 100%; height: 100%; }
.kode { font: 800 2rem/1 Consolas, "Courier New", monospace; letter-spacing: .15em; }
.ans { white-space: pre-wrap; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 8px 10px; min-height: 38px; }
.ans.empty { color: var(--muted); font-style: italic; }
.scorebox { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; }
.scorebox select { width: 100%; }
.toast { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); background: var(--dark); color: #fff; padding: 10px 18px; border-radius: 999px; z-index: 50; font-weight: 600; }
.lb-bar { height: 14px; border-radius: 7px; background: var(--blue); min-width: 4px; }