/* CTF Side Panel — mirrors case-panel.css layout, distinct accent. */

:root {
    --ctf-panel-bg: #0d1117;
    --ctf-panel-fg: #c9d1d9;
    --ctf-panel-border: #30363d;
    --ctf-panel-card-bg: #161b22;
    --ctf-panel-accent: #ffd700;     /* CTF gold */
    --ctf-panel-link: #58a6ff;
    --ctf-panel-success: #3fb950;
    --ctf-panel-danger: #f85149;
    --ctf-panel-muted: #6e7681;
    --ctf-panel-width: 40%;
}

/* ── Split layout ── */
body.ctf-active #terminal {
    width: calc(100% - var(--ctf-panel-width));
}
body.ctf-active #ctf-panel {
    display: flex;
}

#ctf-panel {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: var(--ctf-panel-width);
    height: 100vh;
    flex-direction: column;
    background: var(--ctf-panel-bg);
    color: var(--ctf-panel-fg);
    border-left: 1px solid var(--ctf-panel-border);
    z-index: 50;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 13px;
}

/* ── Collapsed state ── */
body.ctf-panel-collapsed #ctf-panel { width: 40px; cursor: pointer; }
body.ctf-panel-collapsed #terminal { width: calc(100% - 40px); }
body.ctf-panel-collapsed .ctf-panel-header,
body.ctf-panel-collapsed .ctf-panel-body { display: none; }

.ctf-panel-collapsed-strip {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding-top: 16px;
    color: var(--ctf-panel-muted);
    writing-mode: vertical-rl;
}
body.ctf-panel-collapsed .ctf-panel-collapsed-strip { display: flex; }
.ctf-panel-collapsed-strip-arrow { font-size: 18px; color: var(--ctf-panel-accent); writing-mode: horizontal-tb; }
.ctf-panel-collapsed-strip-label { font-size: 12px; letter-spacing: 2px; text-transform: uppercase; }

/* ── Header ── */
.ctf-panel-header {
    background: var(--ctf-panel-card-bg);
    border-bottom: 1px solid var(--ctf-panel-border);
    padding: 12px 14px;
}
.ctf-panel-header-row { display: flex; justify-content: space-between; align-items: flex-start; }
.ctf-panel-title { color: var(--ctf-panel-accent); font-weight: 700; font-size: 15px; }
.ctf-panel-subtitle { color: var(--ctf-panel-muted); font-size: 12px; margin-top: 2px; }
.ctf-panel-collapse-btn {
    background: transparent;
    border: 1px solid var(--ctf-panel-border);
    color: var(--ctf-panel-muted);
    border-radius: 4px;
    width: 24px; height: 24px;
    cursor: pointer;
    line-height: 1;
}
.ctf-panel-collapse-btn:hover { background: var(--ctf-panel-border); color: var(--ctf-panel-fg); }

.ctf-panel-scorebar {
    display: flex; gap: 12px; align-items: center;
    margin-top: 10px;
    font-size: 12px;
    color: var(--ctf-panel-muted);
}
.ctf-panel-scorebar span:first-child { color: var(--ctf-panel-accent); font-weight: 600; }
.ctf-backboard {
    margin-left: auto;
    background: transparent;
    border: 1px solid var(--ctf-panel-border);
    color: var(--ctf-panel-link);
    border-radius: 4px;
    padding: 2px 8px;
    cursor: pointer;
    font-size: 11px;
}
.ctf-backboard:hover { background: var(--ctf-panel-border); }

/* ── Body ── */
.ctf-panel-body { flex: 1; overflow-y: auto; padding: 14px; }
.ctf-section-label {
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 11px;
    color: var(--ctf-panel-muted);
    margin-bottom: 6px;
}
.ctf-empty { color: var(--ctf-panel-muted); padding: 20px 0; text-align: center; }
.ctf-write-link {
    display: inline-block; margin-top: 4px;
    color: var(--ctf-panel-link); font-size: 0.92em; text-decoration: none;
}
.ctf-write-link:hover, .ctf-write-link:focus-visible { text-decoration: underline; }

/* ── Board ── */
.ctf-cat { margin-bottom: 18px; }
.ctf-cat-title { color: var(--ctf-panel-link); font-weight: 600; margin-bottom: 8px; }
.ctf-chal {
    display: flex; align-items: center; gap: 10px;
    width: 100%;
    text-align: left;
    background: var(--ctf-panel-card-bg);
    border: 1px solid var(--ctf-panel-border);
    border-radius: 6px;
    padding: 8px 10px;
    margin-bottom: 6px;
    color: var(--ctf-panel-fg);
    cursor: pointer;
}
.ctf-chal:hover:not(:disabled) { border-color: var(--ctf-panel-accent); }
.ctf-chal:disabled { opacity: 0.5; cursor: not-allowed; }
.ctf-chal-pts {
    min-width: 36px;
    text-align: center;
    color: var(--ctf-panel-accent);
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}
.ctf-chal-name { flex: 1; }
.ctf-chal-diff { font-size: 11px; color: var(--ctf-panel-muted); text-transform: capitalize; }
.ctf-chal-badge { font-size: 10px; padding: 1px 6px; border-radius: 3px; letter-spacing: 1px; }
.ctf-chal-badge.is-solved { background: rgba(63,185,80,0.15); color: var(--ctf-panel-success); }
.ctf-chal-badge.is-locked { background: rgba(110,118,129,0.15); color: var(--ctf-panel-muted); }
.ctf-chal.is-solved .ctf-chal-name { color: var(--ctf-panel-muted); text-decoration: line-through; }

/* ── Active challenge ── */
.ctf-flash {
    border-radius: 6px;
    padding: 10px 12px;
    margin-bottom: 14px;
    font-weight: 600;
}
.ctf-flash.is-success { background: rgba(63,185,80,0.12); color: var(--ctf-panel-success); border: 1px solid rgba(63,185,80,0.4); }

.ctf-briefing { margin-bottom: 18px; }
.ctf-briefing-text { line-height: 1.55; color: var(--ctf-panel-fg); }
.ctf-briefing-meta { margin-top: 8px; font-size: 12px; color: var(--ctf-panel-muted); }

.ctf-submit {
    background: var(--ctf-panel-card-bg);
    border: 1px solid var(--ctf-panel-border);
    border-radius: 6px;
    padding: 12px;
    margin-bottom: 16px;
}
.ctf-submit-row { display: flex; gap: 8px; }
.ctf-flag-input {
    flex: 1;
    background: var(--ctf-panel-bg);
    border: 1px solid var(--ctf-panel-border);
    border-radius: 4px;
    color: var(--ctf-panel-fg);
    padding: 8px 10px;
    font-family: "SF Mono", Menlo, Consolas, monospace;
    font-size: 13px;
}
.ctf-flag-input:focus { outline: none; border-color: var(--ctf-panel-accent); }
.ctf-submit-btn {
    background: var(--ctf-panel-accent);
    color: #1a1a00;
    border: none;
    border-radius: 4px;
    padding: 8px 16px;
    font-weight: 700;
    cursor: pointer;
}
.ctf-submit-btn:hover { filter: brightness(1.1); }
.ctf-submit-meta { margin-top: 8px; font-size: 12px; color: var(--ctf-panel-muted); }
.ctf-solved-note { color: var(--ctf-panel-success); }
.ctf-solved-note code { background: var(--ctf-panel-bg); padding: 1px 5px; border-radius: 3px; }

/* ── Hints ── */
.ctf-hints { margin-bottom: 16px; }
.ctf-hint-reveal {
    display: block;
    width: 100%;
    text-align: left;
    background: transparent;
    border: 1px dashed var(--ctf-panel-border);
    border-radius: 6px;
    color: var(--ctf-panel-link);
    padding: 8px 10px;
    margin-bottom: 6px;
    cursor: pointer;
}
.ctf-hint-reveal:hover:not(:disabled) { border-color: var(--ctf-panel-accent); color: var(--ctf-panel-accent); }
.ctf-hint-reveal:disabled { opacity: 0.5; cursor: not-allowed; }
.ctf-hint.is-unlocked {
    background: var(--ctf-panel-card-bg);
    border: 1px solid var(--ctf-panel-border);
    border-left: 3px solid var(--ctf-panel-accent);
    border-radius: 6px;
    padding: 8px 10px;
    margin-bottom: 6px;
}
.ctf-hint-num { font-size: 11px; color: var(--ctf-panel-accent); margin-bottom: 4px; }
.ctf-hint-body { line-height: 1.5; }

/* ── Actions ── */
.ctf-actions { margin-top: 8px; }
.ctf-btn {
    background: transparent;
    border: 1px solid var(--ctf-panel-border);
    color: var(--ctf-panel-muted);
    border-radius: 4px;
    padding: 6px 12px;
    cursor: pointer;
}
.ctf-btn:hover { background: var(--ctf-panel-border); color: var(--ctf-panel-fg); }

/* Mobile: drawer overlay instead of column */
@media (max-width: 1024px) {
    body.ctf-active #terminal { width: 100%; }
    #ctf-panel { width: 85%; max-width: 360px; box-shadow: -4px 0 20px rgba(0,0,0,0.5); }
}