:root {
  --green: #1b5e3f;
  --green-light: #2e8b5e;
  --gold: #c8a24a;
  --bg: #f4f6f5;
  --ink: #1f2a26;
  --muted: #5f6f68;
  --line: #dde3e0;
  --card: #fff;
  --shade: #eef3f0;
  --red: #c0392b;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body { font-family: 'Segoe UI', Arial, sans-serif; background: var(--bg); color: var(--ink); line-height: 1.5; }

/* ── Header ── */
header { background: linear-gradient(135deg, var(--green), var(--green-light)); color: #fff; padding: 18px 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.h-left h1 { font-size: 1.3rem; }
.h-left p  { opacity: .85; font-size: .87rem; margin-top: 2px; }
.h-right   { display: flex; gap: 8px; align-items: center; }

/* ── Layout ── */
.wrap  { max-width: 1600px; margin: 24px auto; padding: 0 32px; }
.card  { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 20px; margin-bottom: 16px; box-shadow: 0 1px 4px rgba(0,0,0,.05); }
.row2  { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 12px; }
@media (max-width: 580px) { .row2 { grid-template-columns: 1fr; } }
.center-box { max-width: 380px; margin: 60px auto; }
.toolbar    { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; align-items: center; }

/* ── Typography ── */
h2    { color: var(--green); font-size: 1.05rem; margin-bottom: 14px; padding-bottom: 8px; border-bottom: 2px solid var(--gold); }
label { display: block; font-size: .82rem; font-weight: 600; color: var(--muted); margin-bottom: 4px; }
.muted { color: var(--muted); font-size: .85rem; }
.err   { color: var(--red); font-size: .84rem; margin-top: 8px; }
a { color: var(--green); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: var(--shade); padding: 1px 5px; border-radius: 4px; font-size: .85em; }

/* ── Inputs ── */
input, select, textarea { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; font-size: .9rem; font-family: inherit; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--green-light); }
textarea { resize: vertical; min-height: 72px; }

/* ── Buttons ── */
.btn          { background: var(--green); color: #fff; border: none; padding: 10px 22px; border-radius: 24px; font-weight: 700; cursor: pointer; font-size: .88rem; transition: .15s; }
.btn:hover    { background: var(--green-light); }
.btn.alt      { background: var(--gold); }
.btn.danger   { background: var(--red); }
.btn.ghost    { background: rgba(255,255,255,.2); }
.btn.sm       { padding: 6px 13px; font-size: .78rem; }

/* ── Tabs ── */
.tabs { display: flex; gap: 6px; background: #fff; padding: 10px 16px; box-shadow: 0 2px 6px rgba(0,0,0,.06); flex-wrap: wrap; }
.tab  { padding: 8px 16px; border: none; background: var(--shade); color: var(--muted); border-radius: 24px; cursor: pointer; font-weight: 600; font-size: .85rem; }
.tab.active { background: var(--green); color: #fff; }

/* ── Table ── */
table { width: 100%; border-collapse: collapse; font-size: .83rem; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: middle; }
th { background: var(--green); color: #fff; font-weight: 600; }
tr:nth-child(even) td { background: #fafcfb; }

/* ── Pills ── */
.pill        { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: .72rem; font-weight: 700; }
.pill.on     { background: #e3f5ea; color: var(--green); }
.pill.off    { background: #fbe6e6; color: var(--red); }
.pill.review { background: #fef3d8; color: #9a7400; }
.pill.scored { background: #e3f5ea; color: var(--green); }

/* ── Peserta: form fill ── */
.q         { margin-bottom: 18px; padding-bottom: 14px; border-bottom: 1px solid var(--line); }
.q:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }
.q-mod     { font-size: .72rem; color: var(--gold); font-weight: 700; text-transform: uppercase; letter-spacing: .5px; }
.q-text    { font-weight: 600; margin: 4px 0 10px; font-size: .95rem; }
.opt       { display: flex; align-items: flex-start; gap: 10px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 7px; cursor: pointer; font-size: .9rem; transition: .12s; }
.opt:hover { border-color: var(--green-light); background: var(--shade); }
.opt input[type=radio] { width: auto; flex-shrink: 0; margin-top: 3px; accent-color: var(--green); }

/* ── Peserta: result ── */
.result-box  { background: linear-gradient(135deg, var(--green), var(--green-light)); color: #fff; border-radius: 14px; padding: 30px; text-align: center; }
.score-big   { font-size: 3.2rem; font-weight: 800; margin: 10px 0; }

/* ── Peserta: form list ── */
.form-item       { padding: 14px; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 8px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; transition: .12s; }
.form-item:hover { border-color: var(--green-light); background: var(--shade); }

/* ── Admin: question builder ── */
.q-card         { border: 1px solid var(--line); border-radius: 10px; padding: 14px; margin-bottom: 10px; background: var(--shade); }
.q-head         { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 8px; }
.q-type-badge   { font-size: .7rem; font-weight: 700; text-transform: uppercase; color: var(--gold); letter-spacing: .5px; }
.opt-row        { display: flex; gap: 8px; align-items: center; margin-bottom: 6px; }
.opt-row input[type=radio] { width: auto; flex-shrink: 0; }
.opt-row input[type=text]  { flex: 1; }

/* ── Modal ── */
.modal          { position: fixed; inset: 0; background: rgba(0,0,0,.52); display: none; align-items: center; justify-content: center; padding: 16px; z-index: 100; }
.modal.show     { display: flex; }
.modal-box      { background: #fff; border-radius: 14px; padding: 22px; max-width: 700px; width: 100%; max-height: 90vh; overflow: auto; }

/* ── Admin: form list rows ── */
.form-row       { display: flex; align-items: center; gap: 8px; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; margin-bottom: 6px; background: var(--card); transition: .12s; }
.form-row-sel   { border-color: var(--green); background: var(--shade); }
.form-row.dragging  { opacity: .3; }
.form-row.drop-top  { border-top: 3px solid var(--green-light); }
.form-row.drop-bot  { border-bottom: 3px solid var(--green-light); }

/* ── Builder: sidebar layout ── */
.builder-layout { display: grid; grid-template-columns: 158px 1fr; gap: 14px; align-items: start; }
@media (max-width: 640px) { .builder-layout { grid-template-columns: 1fr; } }

.type-palette { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px; position: sticky; top: 10px; }
.palette-title { font-size: .72rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .5px; margin-bottom: 8px; }
.palette-item  { padding: 8px 10px; border: 1px dashed var(--line); border-radius: 8px; margin-bottom: 6px; cursor: grab; font-size: .8rem; font-weight: 600; color: var(--ink); user-select: none; transition: .12s; }
.palette-item:hover { border-color: var(--green); background: var(--shade); }
.palette-item:active { cursor: grabbing; opacity: .6; }

.trash-zone { margin-top: 10px; padding: 10px 8px; border: 2px dashed #f0c0bb; border-radius: 8px; text-align: center; font-size: .78rem; color: var(--red); cursor: default; transition: .15s; line-height: 1.4; }
.trash-zone.trash-active { background: #fbe6e6; border-color: var(--red); }

/* ── Builder: question list ── */
.qlist { min-height: 80px; }
.qlist-empty { border: 2px dashed var(--line); border-radius: 10px; padding: 28px; text-align: center; color: var(--muted); font-size: .88rem; }
.qlist-drop  { background: var(--shade); border-radius: 10px; }

/* ── Drag states ── */
.drag-handle  { cursor: grab; color: var(--muted); font-size: 1.1rem; padding: 0 2px; }
.drag-handle:active { cursor: grabbing; }
.q-card.dragging  { opacity: .3; }
.q-card.drop-top  { border-top: 3px solid var(--green-light); }
.q-card.drop-bot  { border-bottom: 3px solid var(--green-light); }

/* ── Text block ── */
.q-card.type-text { background: var(--shade); }

/* ── Rating table (peserta) ── */
.rating-table th    { background: var(--green); color: #fff; text-align: center; padding: 8px 6px; }
.rating-table td    { padding: 7px 8px; border: 1px solid var(--line); }
.rating-table tbody tr:nth-child(even) td { background: #fafcfb; }
.rating-table tbody tr:hover td { background: var(--shade); }
.rating-table input[type=radio] { transform: scale(1.2); }

/* ── Format toolbar (rich text) ── */
.fmt-toolbar { display: flex; gap: 4px; margin-bottom: 4px; }
.fmt-btn { background: var(--shade); border: 1px solid var(--line); border-radius: 5px; padding: 2px 9px; cursor: pointer; font-size: .85rem; line-height: 1.5; color: var(--ink); font-family: inherit; }
.fmt-btn:hover { border-color: var(--green); background: #e0ece6; }
.fmt-editor { border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; min-height: 66px; font-size: .9rem; font-family: inherit; outline: none; background: #fff; line-height: 1.5; }
.fmt-editor:focus { border-color: var(--green-light); }
.fmt-editor.single { min-height: unset; }
.fmt-editor[data-ph]:empty:before { content: attr(data-ph); color: var(--muted); pointer-events: none; }

/* ── Tag/Batch chips ── */
.tag-chip     { display:inline-flex;align-items:center;gap:3px;background:#fef8ec;border:1px solid var(--gold);color:#8a6b00;border-radius:20px;padding:1px 8px 1px 10px;font-size:.72rem;font-weight:700;white-space:nowrap; }
.tag-chip.sm  { padding:1px 6px;font-size:.68rem; }
.tag-del      { background:none;border:none;cursor:pointer;color:#b89830;font-size:.9rem;padding:0 0 0 1px;line-height:1;font-weight:700; }
.tag-del:hover { color:var(--red); }

/* ── Admin: submission review ── */
.ans-block   { border: 1px solid var(--line); border-radius: 8px; padding: 12px; margin-bottom: 10px; }
.ans-correct { background: #e3f5ea; border-color: #b7e0c8; }
.ans-wrong   { background: #fbe6e6; border-color: #f0c0bb; }

/* ── Bulk tag bar ── */
.bulk-bar { background: var(--green); color: #fff; padding: 10px 14px; border-radius: 8px; margin-bottom: 12px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.bulk-bar select { width: auto; min-width: 160px; color: var(--ink); }
.cb-col { width: 40px; text-align: center; }

/* ── File upload button label ── */
label.btn { display: inline-flex; align-items: center; gap: 5px; }

/* ── Calc result block ── */
.calc-block { background: var(--shade); border: 2px solid var(--gold); border-radius: 10px; padding: 14px 16px; margin-bottom: 10px; }

/* ── Mobile: ≤ 640px ── */
@media (max-width: 640px) {
  .wrap { padding: 0 10px; margin: 10px auto; }
  .card { padding: 14px 12px; margin-bottom: 12px; }
  header { padding: 10px 12px; }
  .h-left h1 { font-size: 1.05rem; }
  .h-left p  { font-size: .78rem; }
  .h-right   { gap: 5px; }
  .tabs { padding: 8px 10px; gap: 4px; }
  .tab  { padding: 6px 10px; font-size: .76rem; }
  h2    { font-size: .95rem; }
  .modal-box { padding: 14px; border-radius: 10px; max-height: 96vh; }
  .btn  { padding: 9px 16px; font-size: .84rem; }
  .btn.sm { padding: 7px 11px; font-size: .76rem; }
  table { font-size: .78rem; }
  th, td { padding: 6px 7px; }
  .result-box { padding: 20px 14px; }
  .score-big  { font-size: 2.4rem; }
  .form-item  { flex-direction: column; align-items: flex-start; gap: 6px; }
  .center-box { margin: 30px auto; padding: 0 4px; }
  .row2 { grid-template-columns: 1fr; }
  .toolbar { flex-direction: column; align-items: stretch; }
  .toolbar select, .toolbar button, .toolbar label { width: 100%; justify-content: center; }
}

/* ── Mobile builder: palette horizontal ── */
@media (max-width: 640px) {
  .builder-layout { grid-template-columns: 1fr; }
  .type-palette { position: static; display: flex; flex-wrap: wrap; gap: 6px; padding: 10px; }
  .palette-title { width: 100%; }
  .palette-item  { flex: 0 0 auto; }
  .trash-zone    { width: 100%; }
}

/* ── Mobile: very small (≤ 400px) ── */
@media (max-width: 400px) {
  .h-left h1 { font-size: .95rem; }
  .tabs { gap: 3px; }
  .tab  { padding: 5px 7px; font-size: .72rem; }
}