/* CSCD 240 CTF Manager — Design System */
:root {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f8fafc;
  --text-secondary: #e2e8f0;
  --text-muted: #94a3b8;
  --text-dim: #64748b;
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;
  --accent-yellow: #eab308;
  --accent-red: #ef4444;
  --accent-purple: #8b5cf6;
  --border: #334155;
  --radius: 0.375rem;
  --radius-lg: 0.5rem;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  background: var(--bg-primary);
  color: var(--text-secondary);
  min-height: 100vh;
  line-height: 1.5;
}

.container { max-width: 1400px; margin: 0 auto; padding: 1.5rem; }

/* --- Header --- */
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.75rem 1.5rem; background: var(--bg-secondary);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 100;
}
header h1 { font-size: 1rem; color: var(--text-primary); font-weight: 600; }
header h1 span { color: var(--accent-blue); }
.header-right { display: flex; align-items: center; gap: 1rem; }
.user-info { display: flex; align-items: center; gap: 0.5rem; font-size: 0.8rem; color: var(--text-muted); }
.user-info img { width: 24px; height: 24px; border-radius: 50%; }

/* --- Site-wide Navigation --- */
.site-nav {
  display: flex; gap: 0.25rem; padding: 0.4rem 1.5rem;
  background: var(--bg-secondary); border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}
.site-nav a {
  color: var(--text-muted); text-decoration: none; padding: 0.5rem 0.75rem;
  border-radius: var(--radius); font-size: 0.8rem; transition: all 0.15s;
  display: flex; align-items: center; gap: 0.4rem;
}
.site-nav a:hover { color: var(--text-primary); background: var(--bg-tertiary); }
.site-nav a.active { color: var(--text-primary); background: var(--accent-blue); }

.nav-badge {
  background: var(--accent-red); color: white; font-size: 0.6rem; font-weight: 700;
  padding: 0.1rem 0.4rem; border-radius: 999px; min-width: 1.1rem; text-align: center;
  line-height: 1.2;
}

/* --- Page-level Navigation (CTF selectors) --- */
nav:not(.site-nav) {
  display: flex; gap: 0.25rem; padding: 0.5rem; margin-bottom: 1.5rem;
  background: var(--bg-secondary); border-radius: var(--radius-lg); flex-wrap: wrap;
}
nav:not(.site-nav) a {
  color: var(--text-muted); text-decoration: none; padding: 0.5rem 0.75rem;
  border-radius: var(--radius); font-size: 0.8rem; transition: all 0.15s;
}
nav:not(.site-nav) a:hover { color: var(--text-primary); background: var(--bg-tertiary); }
nav:not(.site-nav) a.active { color: var(--text-primary); background: var(--accent-blue); }

/* --- Buttons --- */
.btn {
  padding: 0.5rem 1rem; border: none; border-radius: var(--radius);
  font-size: 0.8rem; font-weight: 500; cursor: pointer; transition: all 0.15s;
  text-decoration: none; display: inline-block;
}
.btn:hover { transform: translateY(-1px); filter: brightness(1.1); }
.btn-blue { background: var(--accent-blue); color: white; }
.btn-green { background: var(--accent-green); color: white; }
.btn-red { background: var(--accent-red); color: white; }
.btn-yellow { background: var(--accent-yellow); color: #1e293b; }
.btn-gray { background: var(--bg-tertiary); color: var(--text-muted); }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.7rem; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: var(--text-muted); }

/* --- Cards --- */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem; margin-bottom: 2rem;
}
.card {
  background: var(--bg-secondary); border-radius: var(--radius-lg); padding: 1.25rem;
  border: 1px solid var(--border); transition: border-color 0.15s;
}
.card:hover { border-color: var(--accent-blue); }
.card-header { display: flex; justify-content: space-between; margin-bottom: 0.5rem; }
.card h3 { font-size: 1rem; color: var(--text-primary); margin-bottom: 0.25rem; }
.card p { color: var(--text-muted); font-size: 0.8rem; margin-bottom: 0.5rem; }
.card-actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; }

/* --- Stats --- */
.stats { display: flex; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.stat {
  background: var(--bg-secondary); padding: 0.75rem 1rem; border-radius: var(--radius-lg);
  text-align: center; min-width: 80px;
}
.stat-val { font-size: 1.5rem; font-weight: 700; color: var(--text-primary); }
.stat-label { font-size: 0.65rem; color: var(--text-dim); text-transform: uppercase; letter-spacing: 0.05em; }

/* --- Tables --- */
table { width: 100%; border-collapse: collapse; font-size: 0.8rem; }
th, td { padding: 0.6rem 0.5rem; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--text-dim); font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 600; }
td { vertical-align: middle; }

/* --- Tags --- */
.tag {
  background: var(--bg-tertiary); color: var(--text-muted); padding: 0.1rem 0.4rem;
  border-radius: var(--radius); font-size: 0.65rem; display: inline-block; margin: 0.1rem;
}

/* --- Tier colors --- */
.tier-quickfire { color: #60a5fa; }
.tier-warmup { color: #34d399; }
.tier-standard { color: var(--accent-yellow); }
.tier-advanced { color: #f97316; }
.tier-expert { color: var(--accent-red); }

/* --- Verdicts --- */
.verdict-approve { color: var(--accent-green); font-weight: 600; }
.verdict-needs_revision { color: var(--accent-yellow); font-weight: 600; }
.verdict-reject { color: var(--accent-red); font-weight: 600; }

/* --- AI Label --- */
.ai-label {
  background: #7c3aed22; color: var(--accent-purple); border: 1px solid #7c3aed44;
  padding: 0.1rem 0.4rem; border-radius: var(--radius); font-size: 0.6rem;
  cursor: help;
}

/* --- Help button --- */
.help-btn {
  width: 28px; height: 28px; border-radius: 50%; background: var(--bg-tertiary);
  color: var(--text-muted); border: 1px solid var(--border); cursor: pointer;
  font-size: 0.8rem; font-weight: 700; display: flex; align-items: center;
  justify-content: center; transition: all 0.15s;
}
.help-btn:hover { background: var(--accent-blue); color: white; border-color: var(--accent-blue); }

/* --- Code --- */
code {
  background: var(--bg-primary); padding: 0.1rem 0.3rem; border-radius: var(--radius);
  font-size: 0.7rem; font-family: 'SF Mono', 'Fira Code', monospace; color: var(--accent-green);
}

/* --- Log output --- */
.log {
  background: var(--bg-primary); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem; font-family: monospace; font-size: 0.75rem; color: var(--text-muted);
  max-height: 300px; overflow-y: auto; white-space: pre-wrap; display: none;
}
.log.visible { display: block; }

/* --- Footer --- */
footer {
  padding: 1rem 1.5rem; border-top: 1px solid var(--border); margin-top: 2rem;
  font-size: 0.65rem; color: var(--text-dim); text-align: center;
}
footer a { color: var(--accent-blue); text-decoration: none; }

/* --- Onboarding tooltip --- */
.onboard-tooltip {
  position: fixed; background: var(--accent-blue); color: white; padding: 0.75rem 1rem;
  border-radius: var(--radius-lg); font-size: 0.8rem; max-width: 300px; z-index: 1000;
  box-shadow: 0 4px 12px rgba(0,0,0,0.3);
}
.onboard-tooltip .step-count { font-size: 0.65rem; opacity: 0.7; margin-bottom: 0.25rem; }
.onboard-tooltip .tooltip-actions { display: flex; gap: 0.5rem; margin-top: 0.5rem; }
.onboard-tooltip button { padding: 0.25rem 0.75rem; border: none; border-radius: var(--radius); cursor: pointer; font-size: 0.75rem; }
.onboard-tooltip .btn-next { background: white; color: var(--accent-blue); }
.onboard-tooltip .btn-skip { background: transparent; color: white; border: 1px solid rgba(255,255,255,0.3); }
.onboard-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.5); z-index: 999; }

/* ═══════════════════════════════════════════════════════════
   Challenge Review Cards
   ═══════════════════════════════════════════════════════════ */

/* --- Toolbar --- */
.toolbar {
  display: flex; gap: 0.5rem; margin-bottom: 1.25rem; flex-wrap: wrap;
  align-items: center;
}
.toolbar-search {
  flex: 1; min-width: 200px; padding: 0.5rem 0.75rem;
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius); color: var(--text-primary); font-size: 0.8rem;
  outline: none; transition: border-color 0.15s;
}
.toolbar-search:focus { border-color: var(--accent-blue); }
.toolbar-search::placeholder { color: var(--text-dim); }
.toolbar-select {
  padding: 0.5rem 0.6rem; background: var(--bg-secondary);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-muted); font-size: 0.75rem; cursor: pointer; outline: none;
}
.toolbar-select:focus { border-color: var(--accent-blue); }

/* --- Challenge card --- */
.ch-card {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); margin-bottom: 0.5rem;
  transition: border-color 0.15s;
}
.ch-card:hover { border-color: var(--text-dim); }
.ch-card.ch-expanded { border-color: var(--accent-blue); }

/* --- Card header (always visible) --- */
.ch-header {
  display: flex; align-items: center; gap: 0.75rem;
  padding: 0.65rem 1rem; cursor: pointer; user-select: none;
}
.ch-header:hover { background: rgba(255,255,255,0.02); border-radius: var(--radius-lg); }

.ch-tier {
  font-size: 0.6rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 0.2rem 0.5rem; border-radius: var(--radius);
  white-space: nowrap; min-width: 70px; text-align: center;
}
.tier-bg-quickfire { background: rgba(96,165,250,0.15); color: #60a5fa; }
.tier-bg-warmup    { background: rgba(52,211,153,0.15); color: #34d399; }
.tier-bg-standard  { background: rgba(234,179,8,0.15);  color: var(--accent-yellow); }
.tier-bg-advanced  { background: rgba(249,115,22,0.15); color: #f97316; }
.tier-bg-expert    { background: rgba(239,68,68,0.15);  color: var(--accent-red); }

.ch-name {
  font-size: 0.85rem; font-weight: 600; color: var(--text-primary);
  flex-shrink: 0; max-width: 250px; overflow: hidden; text-overflow: ellipsis;
  white-space: nowrap;
}

.ch-pts {
  font-size: 0.75rem; color: var(--text-muted); white-space: nowrap;
}
.ch-pts small { font-size: 0.6rem; }

.ch-week {
  font-size: 0.65rem; color: var(--text-dim); background: var(--bg-tertiary);
  padding: 0.15rem 0.4rem; border-radius: var(--radius); white-space: nowrap;
}

.ch-tags {
  display: flex; gap: 0.25rem; flex-wrap: wrap; flex: 1; min-width: 0;
  overflow: hidden; max-height: 1.6rem;
}
.concept-click { cursor: pointer; transition: background 0.15s; }
.concept-click:hover { background: var(--accent-blue); color: white; }

.ch-status { display: flex; gap: 0.35rem; flex-shrink: 0; }
.status-dot {
  font-size: 0.6rem; font-weight: 700; padding: 0.15rem 0.4rem;
  border-radius: var(--radius); white-space: nowrap;
}
.dot-ta-ok   { background: rgba(34,197,94,0.2); color: var(--accent-green); }
.dot-fac-ok  { background: rgba(139,92,246,0.2); color: var(--accent-purple); }
.dot-pending { background: var(--bg-tertiary); color: var(--text-dim); }

.ch-chevron {
  font-size: 0.75rem; color: var(--text-dim); flex-shrink: 0;
  transition: transform 0.15s; width: 1rem; text-align: center;
}

/* --- Card body (expanded) --- */
.ch-body {
  padding: 0 1rem 1rem 1rem;
  border-top: 1px solid var(--border);
}

/* --- Description (rendered markdown) --- */
.ch-description {
  padding: 1rem 0; font-size: 0.85rem; line-height: 1.7;
  color: var(--text-secondary);
}
.ch-description p { margin-bottom: 0.75rem; }
.ch-description ol, .ch-description ul {
  margin: 0.5rem 0 0.75rem 1.5rem;
}
.ch-description li { margin-bottom: 0.25rem; }
.ch-description blockquote {
  border-left: 3px solid var(--accent-blue); padding: 0.5rem 1rem;
  margin: 0.75rem 0; background: rgba(59,130,246,0.05);
  color: var(--text-muted); font-style: italic;
}
.ch-description pre {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.75rem 1rem; margin: 0.75rem 0;
  overflow-x: auto; font-size: 0.8rem; line-height: 1.5;
}
.ch-description pre code {
  background: none; padding: 0; font-size: 0.8rem; color: var(--text-secondary);
}
.ch-description code {
  font-size: 0.8rem;
}
.ch-description strong { color: var(--text-primary); }
.ch-description h1, .ch-description h2, .ch-description h3 {
  color: var(--text-primary); margin: 1rem 0 0.5rem;
}

/* --- Try-it section --- */
.ch-try {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 0.75rem 1rem; margin-bottom: 0.75rem;
}
.ch-try-label {
  font-size: 0.65rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-dim); font-weight: 600; display: block; margin-bottom: 0.5rem;
}
.ch-try-row {
  display: flex; gap: 0.5rem; align-items: center;
}
.ch-try-input {
  flex: 1; padding: 0.5rem 0.75rem; background: var(--bg-secondary);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-primary); font-family: 'SF Mono', 'Fira Code', monospace;
  font-size: 0.8rem; outline: none;
}
.ch-try-input:focus { border-color: var(--accent-blue); }
.ch-try-input::placeholder { color: var(--text-dim); }

.ch-try-result {
  margin-top: 0.5rem; font-size: 0.8rem; min-height: 1.25rem;
}
.result-correct { color: var(--accent-green); font-weight: 600; }
.result-wrong   { color: var(--accent-red); }
.result-hint    { color: var(--text-dim); }

/* --- Reveal answer --- */
.ch-reveal {
  display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.75rem;
}
.ch-flag-value {
  font-size: 0.8rem; font-family: 'SF Mono', 'Fira Code', monospace;
  color: var(--accent-yellow); background: var(--bg-primary);
  padding: 0.25rem 0.5rem; border-radius: var(--radius);
}

/* --- Approval row --- */
.ch-approval-row {
  display: flex; align-items: center; gap: 0.75rem; flex-wrap: wrap;
  padding-top: 0.75rem; border-top: 1px solid var(--border);
}
.btn-purple { background: var(--accent-purple); color: white; }
.ch-approver {
  font-size: 0.65rem; color: var(--text-dim); font-style: italic;
}

/* --- Role tags (admin users page) --- */
.role-tag {
  font-size: 0.6rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 0.15rem 0.5rem; border-radius: var(--radius);
}
.role-admin   { background: rgba(139,92,246,0.2);  color: var(--accent-purple); }
.role-faculty { background: rgba(59,130,246,0.2);   color: var(--accent-blue); }
.role-ta      { background: rgba(34,197,94,0.2);    color: var(--accent-green); }
.role-pending { background: rgba(234,179,8,0.2);    color: var(--accent-yellow); }

/* --- Guide body (rendered markdown) --- */
.guide-body {
  max-width: 900px; font-size: 0.85rem; line-height: 1.7;
  color: var(--text-secondary);
}
.guide-body h1 { font-size: 1.4rem; color: var(--text-primary); margin: 2rem 0 0.75rem; border-bottom: 1px solid var(--border); padding-bottom: 0.5rem; }
.guide-body h2 { font-size: 1.1rem; color: var(--text-primary); margin: 1.75rem 0 0.5rem; }
.guide-body h3 { font-size: 0.95rem; color: var(--accent-blue); margin: 1.25rem 0 0.4rem; }
.guide-body p { margin-bottom: 0.5rem; }
.guide-body ol, .guide-body ul { margin: 0.5rem 0 0.75rem 1.5rem; }
.guide-body li { margin-bottom: 0.25rem; }
.guide-body code {
  font-size: 0.8rem;
}
.guide-body pre {
  background: var(--bg-primary); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 0.75rem 1rem; margin: 0.75rem 0;
  overflow-x: auto;
}
.guide-body pre code { background: none; padding: 0; color: var(--text-secondary); }
.guide-body hr { border: none; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.guide-body strong { color: var(--text-primary); }

/* --- User card hover --- */
.user-card { transition: border-color 0.15s, transform 0.15s; }
.user-card:hover { transform: translateY(-1px); }

/* ═══════════════════════════════════════════════════════════
   Challenge Bank — Coverage Dashboard
   ═══════════════════════════════════════════════════════════ */

/* --- Coverage panel (collapsible) --- */
.coverage-panel {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); margin-bottom: 1.5rem;
}
.coverage-toggle {
  padding: 0.75rem 1rem; cursor: pointer; font-size: 0.85rem;
  font-weight: 600; color: var(--text-primary); list-style: none;
  user-select: none;
}
.coverage-toggle::-webkit-details-marker { display: none; }
.coverage-toggle::before {
  content: '\25B8'; display: inline-block; margin-right: 0.5rem;
  transition: transform 0.15s; font-size: 0.7rem;
}
.coverage-panel[open] .coverage-toggle::before { transform: rotate(90deg); }

.coverage-stats {
  display: flex; gap: 1rem; padding: 0 1rem 0.75rem; flex-wrap: wrap;
}

/* --- Week sections --- */
.cov-week {
  padding: 0 1rem 0.75rem;
}
.cov-week-heading {
  font-size: 0.7rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; color: var(--text-dim); margin-bottom: 0.4rem;
  padding-top: 0.5rem; border-top: 1px solid var(--border);
}
.cov-week:first-child .cov-week-heading { border-top: none; padding-top: 0; }

.cov-cells {
  display: flex; gap: 0.35rem; flex-wrap: wrap;
}

/* --- Individual concept cells --- */
.cov-cell {
  display: flex; align-items: center; gap: 0.35rem;
  padding: 0.25rem 0.5rem; border-radius: var(--radius);
  font-size: 0.65rem; cursor: pointer; transition: all 0.15s;
  border: 1px solid transparent;
}
.cov-cell:hover { transform: translateY(-1px); filter: brightness(1.2); }
.cov-cell:focus-visible { outline: 2px solid var(--accent-blue); outline-offset: 1px; }

.cov-green  { background: rgba(34,197,94,0.15); color: var(--accent-green); }
.cov-yellow { background: rgba(234,179,8,0.15);  color: var(--accent-yellow); }
.cov-red    { background: rgba(239,68,68,0.15);  color: var(--accent-red); border-color: rgba(239,68,68,0.3); }

.cov-cell-name { font-weight: 500; }
.cov-cell-count {
  font-weight: 700; font-size: 0.6rem; opacity: 0.7;
  min-width: 1rem; text-align: center;
}

/* --- Legend --- */
.coverage-legend {
  display: flex; gap: 1.25rem; padding: 0.5rem 1rem 0.75rem;
  font-size: 0.65rem; color: var(--text-dim);
}
.legend-item { display: flex; align-items: center; gap: 0.35rem; }
.legend-swatch {
  width: 10px; height: 10px; border-radius: 2px;
}
.legend-green  { background: rgba(34,197,94,0.4); }
.legend-yellow { background: rgba(234,179,8,0.4); }
.legend-red    { background: rgba(239,68,68,0.4); }

/* --- CTF badge on challenge cards --- */
.ch-ctf-badge {
  font-size: 0.6rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.03em; padding: 0.15rem 0.4rem; border-radius: var(--radius);
  border: 1px solid; white-space: nowrap;
}

/* --- Selection checkbox on challenge cards --- */
.ch-select {
  width: 14px; height: 14px; cursor: pointer; flex-shrink: 0;
  accent-color: var(--accent-blue);
}
.ch-card.ch-selected { border-color: var(--accent-blue); background: rgba(59,130,246,0.05); }

/* --- Bulk actions bar --- */
.bulk-bar {
  display: flex; align-items: center; gap: 0.75rem; padding: 0.5rem 1rem;
  background: var(--bg-secondary); border: 1px solid var(--accent-blue);
  border-radius: var(--radius-lg); margin-bottom: 0.75rem; flex-wrap: wrap;
}
.bulk-bar span { font-size: 0.75rem; color: var(--text-muted); }
.bulk-select-all {
  font-size: 0.75rem; color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; gap: 0.35rem;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .card-grid { grid-template-columns: 1fr; }
  .stats { flex-direction: column; }
  header { flex-direction: column; gap: 0.5rem; }
  .site-nav { padding: 0.4rem 0.75rem; }
  .ch-header { flex-wrap: wrap; }
  .ch-tags { max-height: none; }
  .ch-name { max-width: 100%; }
  .toolbar { flex-direction: column; }
  .toolbar-search { min-width: 100%; }
  .cov-cells { gap: 0.25rem; }
  .bulk-bar { flex-direction: column; align-items: flex-start; gap: 0.5rem; }
}

/* ═══════════════════════════════════════════════════════════
   Mission Control Dashboard
   ═══════════════════════════════════════════════════════════ */

.mc-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 1.25rem; }
.mc-header h2 { font-size: 1.2rem; color: var(--text-primary); }
.mc-subtitle { font-size: 0.75rem; color: var(--text-dim); margin-top: 0.2rem; }
.mc-controls { display: flex; align-items: center; gap: 0.5rem; }
.mc-controls label {
  font-size: 0.65rem; color: var(--text-dim); text-transform: uppercase;
  letter-spacing: 0.05em; font-weight: 600;
}

/* Event table */
.mc-table-wrap {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 1.5rem;
}
.mc-table { margin-bottom: 0; }
.mc-row:hover { background: rgba(255,255,255,0.02); }
.mc-row-live { background: rgba(34,197,94,0.04); }

.mc-ctf-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 28px; border-radius: 50%;
  background: var(--accent-blue); color: white; font-weight: 700; font-size: 0.8rem;
}
.mc-name { font-weight: 600; color: var(--text-primary); font-size: 0.85rem; }
.mc-theme { font-size: 0.65rem; color: var(--text-dim); margin-top: 0.1rem; }
.mc-date { white-space: nowrap; font-size: 0.8rem; }
.mc-time { white-space: nowrap; font-size: 0.75rem; color: var(--text-muted); }
.mc-approved { font-size: 0.65rem; color: var(--text-dim); }

/* Status badges */
.mc-status {
  font-size: 0.6rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.05em; padding: 0.2rem 0.55rem; border-radius: var(--radius);
  white-space: nowrap;
}
.mc-status-scheduled  { background: rgba(100,116,139,0.2); color: var(--text-muted); }
.mc-status-loading    { background: rgba(59,130,246,0.2);   color: var(--accent-blue); }
.mc-status-loaded     { background: rgba(59,130,246,0.2);   color: var(--accent-blue); }
.mc-status-live       { background: rgba(34,197,94,0.25);   color: var(--accent-green); }
.mc-status-collecting { background: rgba(234,179,8,0.2);    color: var(--accent-yellow); }
.mc-status-closed     { background: rgba(234,179,8,0.2);    color: var(--accent-yellow); }
.mc-status-graded     { background: rgba(139,92,246,0.2);   color: var(--accent-purple); }

@keyframes mc-pulse { 0%,100% { opacity: 1; } 50% { opacity: 0.5; } }
.mc-status-live       { animation: mc-pulse 2s ease-in-out infinite; }
.mc-status-loading    { animation: mc-pulse 1.2s ease-in-out infinite; }
.mc-status-collecting { animation: mc-pulse 1.2s ease-in-out infinite; }

.mc-actions { white-space: nowrap; }
.mc-actions .btn { margin: 0.1rem; }

.mc-spinner {
  display: inline-block; width: 12px; height: 12px;
  border: 2px solid var(--border); border-top-color: var(--accent-blue);
  border-radius: 50%; animation: mc-spin 0.8s linear infinite;
  vertical-align: middle; margin-right: 0.3rem;
}
@keyframes mc-spin { to { transform: rotate(360deg); } }

/* Countdown */
.mc-countdown {
  font-size: 0.7rem; color: var(--accent-green);
  font-family: 'SF Mono', 'Fira Code', monospace; font-weight: 600;
}

/* Announcement panel */
.mc-announce-panel {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 0.75rem 1.25rem; margin-bottom: 1rem;
}
.mc-announce-panel summary {
  cursor: pointer; font-size: 0.85rem; font-weight: 600;
  color: var(--text-primary); display: flex; align-items: center; gap: 0.5rem;
}
.mc-announce-panel summary .tag { font-size: 0.65rem; }
.mc-announce-form { margin-top: 0.75rem; }
.mc-announce-help { font-size: 0.75rem; color: var(--text-dim); margin-bottom: 0.5rem; }
.mc-announce-row { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.mc-announce-input {
  flex: 1; min-width: 250px; padding: 0.4rem 0.75rem; font-size: 0.8rem;
  background: var(--bg-primary); color: var(--text-primary);
  border: 1px solid var(--border); border-radius: var(--radius);
}
.mc-announce-input:focus { outline: none; border-color: var(--accent-blue); }
.mc-announce-meta { font-size: 0.7rem; color: var(--text-dim); margin-top: 0.5rem; }

/* Live panel */
.mc-live-panel {
  background: var(--bg-secondary); border: 2px solid var(--accent-green);
  border-radius: var(--radius-lg); padding: 1.25rem; margin-bottom: 1.5rem;
}
.mc-live-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 0.75rem;
}
.mc-live-panel h3 { color: var(--accent-green); font-size: 0.95rem; }
.mc-live-links { display: flex; gap: 1rem; flex-wrap: wrap; }
.mc-link-box {
  background: var(--bg-primary); padding: 0.6rem 1rem; border-radius: var(--radius);
  display: flex; align-items: center; gap: 0.75rem; flex: 1; min-width: 250px;
}
.mc-link-label {
  font-size: 0.6rem; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--text-dim); font-weight: 600; white-space: nowrap;
}
.mc-link-box code { background: none; padding: 0; color: var(--accent-blue); font-size: 0.8rem; }
.mc-link-box a { color: var(--accent-blue); font-size: 0.8rem; text-decoration: none; }
.mc-link-box a:hover { text-decoration: underline; }

/* Panels (stats + log) */
.mc-stats-panel, .mc-log-panel {
  background: var(--bg-secondary); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.25rem; margin-bottom: 1.5rem;
}
.mc-panel-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem;
}
.mc-panel-header h3 { color: var(--text-primary); font-size: 0.95rem; }
.mc-panel-actions { display: flex; align-items: center; gap: 0.5rem; }
.tag-ok  { background: rgba(34,197,94,0.2);  color: var(--accent-green); }
.tag-err { background: rgba(239,68,68,0.2);  color: var(--accent-red); }

/* Solve bars */
.mc-bar-row {
  display: flex; align-items: center; gap: 0.5rem;
  padding: 0.3rem 0; font-size: 0.75rem;
}
.mc-bar-name {
  width: 200px; color: var(--text-secondary); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap;
}
.mc-bar-pts { width: 50px; text-align: right; color: var(--text-dim); font-size: 0.65rem; }
.mc-bar-track {
  flex: 1; height: 14px; background: var(--bg-primary);
  border-radius: var(--radius); overflow: hidden;
}
.mc-bar-fill {
  height: 100%; background: var(--accent-blue); border-radius: var(--radius);
  transition: width 0.5s ease; min-width: 2px;
}
.mc-bar-val {
  width: 28px; text-align: right; color: var(--text-muted);
  font-weight: 600; font-size: 0.75rem;
}

/* Responsive */
@media (max-width: 768px) {
  .mc-header { flex-direction: column; gap: 0.75rem; }
  .mc-table-wrap { overflow-x: auto; }
  .mc-live-links { flex-direction: column; }
  .mc-link-box { min-width: 100%; }
  .mc-bar-name { width: 120px; }
}