/* CTF Ops page */

.ctf-page .title { margin-bottom: 8px; }
.intro { max-width: 760px; line-height: 1.6; margin: 0 0 22px; }
.intro strong { color: var(--cyan); font-weight: normal; }
.ctf-page .panel { margin-bottom: 20px; }
.panel-body { padding: 16px; display: grid; gap: 12px; min-width: 0; }
.panel-body p { margin: 0; line-height: 1.55; }
.muted-text { color: var(--muted); font-size: 0.85rem; line-height: 1.55; margin: 0; }
code { font-family: var(--font); color: var(--cyan); background: rgba(0, 0, 0, 0.35); padding: 1px 6px; }
.notice-error { color: var(--red); margin: 0 0 16px; }

.stat-label { font-size: 0.7rem; color: var(--muted); letter-spacing: 0.15em; margin-bottom: 4px; display: block; }
.stat-big { color: var(--yellow); font-size: 1.5rem; text-shadow: 0 0 8px var(--yellow-dim); }

/* progress strip */
.progress-body { padding: 16px 18px; display: grid; grid-template-columns: auto auto 1fr; gap: 12px 32px; align-items: end; }
.progress-bar { height: 8px; background: var(--yellow-faint); border: 1px solid var(--yellow-dim); }
.progress-fill { height: 100%; width: 0; background: var(--cyan); box-shadow: 0 0 8px var(--cyan); transition: width 0.4s; }

/* layout */
.ctf-grid { display: grid; grid-template-columns: minmax(0, 340px) minmax(0, 1fr); gap: 0 20px; align-items: start; }
.ctf-grid.lower { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); }

/* challenge list */
.challenge-list { padding: 10px; display: grid; gap: 8px; }
.ch {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 2px 12px;
  align-items: center;
  width: 100%;
  text-align: left;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-left: 3px solid var(--yellow-dim);
  color: var(--text);
  padding: 10px 12px;
  cursor: pointer;
  font: inherit;
  letter-spacing: inherit;
}
.ch:hover, .ch:focus-visible { outline: none; border-color: var(--yellow-dim); background: var(--yellow-faint); }
.ch.selected { border-color: var(--cyan); border-left-color: var(--cyan); box-shadow: 0 0 12px var(--cyan-faint); }
.ch.solved { border-left-color: var(--cyan); }
.ch-idx { color: var(--muted); font-size: 0.8rem; grid-row: 1 / 3; }
.ch-title { color: var(--yellow); letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.95rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ch.solved .ch-title { color: var(--cyan); }
.ch-meta { font-size: 0.72rem; color: var(--muted); grid-column: 2; }
.ch-points { grid-row: 1 / 3; grid-column: 3; text-align: right; color: var(--yellow); font-size: 0.9rem; }
.ch.solved .ch-points { color: var(--cyan); }
.ch-points small { display: block; color: var(--muted); font-size: 0.65rem; letter-spacing: 0.1em; }

/* detail */
.detail-meta { display: flex; flex-wrap: wrap; gap: 8px; }
.tag { font-size: 0.7rem; letter-spacing: 0.12em; padding: 3px 8px; border: 1px solid currentColor; color: var(--muted); text-transform: uppercase; }
.tag.cat { color: var(--cyan); }
.tag.done { color: var(--bg); background: var(--cyan); border-color: var(--cyan); }
.brief { font-size: 0.95rem; }
.materials { display: grid; gap: 10px; min-width: 0; }
.materials:empty { display: none; }
.mat-label { font-size: 0.75rem; color: var(--yellow); letter-spacing: 0.15em; text-transform: uppercase; }
.mat-pre {
  margin: 0;
  padding: 12px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text);
  font-family: var(--font);
  font-size: 0.82rem;
  line-height: 1.55;
  white-space: pre-wrap;
  word-break: break-word;
  max-height: 340px;
  overflow: auto;
}
.mat-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.mat-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 10px; }

/* the door panel (black box) */
.door { display: grid; gap: 8px; padding: 12px; border: 1px solid var(--yellow-dim); background: var(--yellow-faint); }
.door-row { display: flex; flex-wrap: wrap; gap: 8px; }
.door input, .flag-row input {
  min-width: 0;
  flex: 1 1 200px;
  background: rgba(0, 0, 0, 0.45);
  border: 1px solid var(--yellow-dim);
  color: var(--text);
  padding: 9px 10px;
  font: inherit;
  letter-spacing: 0.08em;
}
.door input:focus, .flag-row input:focus { outline: none; border-color: var(--cyan); box-shadow: 0 0 8px var(--cyan-dim); }
.door-out { margin: 0; font-size: 0.9rem; }
.door-out.ok { color: var(--cyan); word-break: break-all; }
.door-out.bad { color: var(--red); }

.hint-box { border-left: 2px solid var(--yellow); background: var(--yellow-faint); padding: 10px 14px; font-size: 0.88rem; line-height: 1.55; }
#hintBtn { justify-self: start; }
#openBtn { justify-self: start; }

.flag-form { display: grid; gap: 6px; padding-top: 8px; border-top: 1px solid rgba(255, 255, 255, 0.06); }
.flag-row { display: flex; flex-wrap: wrap; gap: 8px; }
.form-msg.big { font-size: 0.95rem; }

/* scoreboard + rules */
.sb-table { width: 100%; border-collapse: collapse; font-size: 0.88rem; }
.sb-table th { text-align: left; font-weight: normal; color: var(--muted); font-size: 0.7rem; letter-spacing: 0.12em; padding: 6px 8px; border-bottom: 1px solid var(--yellow-faint); }
.sb-table td { padding: 7px 8px; border-bottom: 1px solid rgba(255, 255, 255, 0.04); }
.sb-table .num { text-align: right; font-variant-numeric: tabular-nums; }
.sb-table .rank { color: var(--yellow); width: 3em; }
.sb-table tr.me td { background: var(--cyan-faint); color: var(--cyan); }
.rules { margin: 0; padding-left: 18px; display: grid; gap: 8px; font-size: 0.86rem; line-height: 1.55; }
.rules strong { color: var(--cyan); font-weight: normal; }

.solved-flash { animation: solved 1.2s ease-out; }
@keyframes solved { 0% { box-shadow: 0 0 0 var(--cyan); } 30% { box-shadow: 0 0 30px var(--cyan); } 100% { box-shadow: none; } }

@media (max-width: 900px) {
  .ctf-grid, .ctf-grid.lower { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .progress-body { grid-template-columns: auto auto; }
  .progress-bar-wrap { grid-column: 1 / -1; }
  .panel-body { padding: 14px 12px; }
}

/* ---------- mode tabs ---------- */
.mode-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }
.mode-tab { flex: 0 1 auto; }

/* ---------- contracts ---------- */
.stats4 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stat-sub { font-size: 0.72rem; color: var(--muted); margin-top: 2px; }
.tier-list { display: grid; gap: 8px; }
.tier-btn {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 2px 12px;
  text-align: left;
  width: 100%;
  padding: 12px 14px;
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-left: 3px solid var(--yellow-dim);
  color: var(--text);
  font: inherit;
  letter-spacing: inherit;
  cursor: pointer;
}
.tier-btn:hover:not(:disabled), .tier-btn:focus-visible { outline: none; border-color: var(--cyan); background: var(--cyan-faint); }
.tier-btn:disabled { opacity: 0.45; cursor: default; }
.tier-btn.tier-2 { border-left-color: var(--cyan-dim); }
.tier-btn.tier-3 { border-left-color: var(--red-dim); }
.tier-name { color: var(--yellow); letter-spacing: 0.12em; text-transform: uppercase; }
.tier-pts { color: var(--cyan); text-align: right; }
.tier-desc { grid-column: 1 / -1; font-size: 0.75rem; color: var(--muted); }
.daily-card { display: grid; gap: 8px; padding-top: 12px; border-top: 1px solid rgba(255, 255, 255, 0.06); justify-items: start; }
.daily-done { margin: 0; color: var(--cyan); }
#cHintBox { margin: 0; }

@media (max-width: 560px) {
  .stats4 { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 8px; }
  .stats4 .stat-big { font-size: 1.2rem; }
}

/* the hidden story page's "draft" banner (local only) */
.draft-banner { margin: 0 0 14px; padding: 8px 12px; border: 1px dashed var(--red-dim); color: var(--red); font-size: 0.78rem; letter-spacing: 0.1em; }

/* ---------- training ---------- */
.training .panel-body { gap: 10px; }
.train-tiers { display: flex; flex-wrap: wrap; gap: 8px; }
.train-box { display: grid; gap: 12px; padding: 14px; border: 1px solid var(--cyan-dim); background: rgba(94, 246, 255, 0.025); }
.train-box[hidden] { display: none; }
.train-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.train-title { margin: 0; font-weight: normal; color: var(--yellow); letter-spacing: 0.1em; }
.train-steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.train-step { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 10px; padding: 10px; background: rgba(255, 255, 255, 0.025); border-left: 2px solid var(--cyan); animation: train-in 0.25s ease-out; }
.train-step b { color: var(--cyan); font-weight: normal; letter-spacing: 0.06em; }
.train-step p { margin: 4px 0 0; line-height: 1.6; font-size: 0.88rem; }
.train-n { width: 24px; height: 24px; display: grid; place-items: center; border: 1px solid var(--cyan); color: var(--cyan); font-size: 0.8rem; }
@keyframes train-in { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) { .train-step { animation: none; } }
.field-guide summary { cursor: pointer; color: var(--cyan); letter-spacing: 0.06em; }
.field-guide > .muted-text { margin: 10px 0; }
.field-guide b { color: var(--text); font-weight: normal; }
.field-guide dl { margin: 0; display: grid; gap: 2px; }
.fg-row { display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.3fr); gap: 12px; padding: 8px 10px; background: rgba(255, 255, 255, 0.02); }
.fg-row dt { color: var(--yellow); font-size: 0.82rem; }
.fg-row dd { margin: 0; font-size: 0.82rem; line-height: 1.5; color: var(--text); }
@media (max-width: 640px) { .fg-row { grid-template-columns: minmax(0, 1fr); gap: 4px; } }