/* ========================================
   포크로스 - 다크 네온/딤글래스 던전 테마
   게임 화면 자체는 프로젝트 라이트/다크모드 토글과 무관하게 고정 다크 테마로 렌더링한다.
   ======================================== */

.fc-container {
    --fc-bg: #0b0e1a;
    --fc-glass-bg: rgba(30, 36, 58, 0.55);
    --fc-glass-border: rgba(120, 220, 255, 0.35);
    --fc-neon-cyan: #3ff0ff;
    --fc-neon-pink: #ff4d9e;
    --fc-text: #e7ecff;
    --fc-text-dim: #8b93b8;

    background: radial-gradient(ellipse at center, #141a30 0%, var(--fc-bg) 70%);
    color: var(--fc-text);
    border-radius: 16px;
    padding: 16px 10px 24px;
    max-width: 720px;
    margin: 0 auto;
}

.fc-header { text-align: center; margin-bottom: 10px; }
.fc-title {
    font-size: 24px;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--fc-neon-cyan);
    text-shadow: 0 0 10px rgba(63, 240, 255, 0.7), 0 0 24px rgba(63, 240, 255, 0.35);
}
.fc-subtitle { color: var(--fc-text-dim); font-size: 12px; margin-top: 4px; }

/* ── HUD ── */
.fc-hud { display: flex; justify-content: center; gap: 16px; margin-bottom: 8px; }
.fc-hud-box {
    background: var(--fc-glass-bg);
    border: 1px solid var(--fc-glass-border);
    border-radius: 10px;
    padding: 5px 14px;
    text-align: center;
    backdrop-filter: blur(6px);
}
.fc-hud-label { display: block; font-size: 9px; color: var(--fc-text-dim); letter-spacing: 1px; }
.fc-hud-value { display: block; font-size: 18px; font-weight: 700; color: var(--fc-neon-cyan); text-shadow: 0 0 8px rgba(63,240,255,.6); }

/* ── 대전모드 로비 ── */
.fc-versus-bar { text-align: center; margin-bottom: 6px; }
.fc-versus-toggle {
    background: var(--fc-glass-bg);
    border: 1px solid var(--fc-neon-pink);
    color: var(--fc-neon-pink);
    border-radius: 20px;
    padding: 5px 16px;
    font-size: 11px;
    box-shadow: 0 0 8px rgba(255, 77, 158, .35);
}
.fc-versus-panel {
    max-width: 280px;
    margin: 0 auto 12px;
    background: var(--fc-glass-bg);
    border: 1px solid var(--fc-glass-border);
    border-radius: 12px;
    padding: 12px;
    text-align: center;
    backdrop-filter: blur(6px);
}
.fc-versus-panel.hidden { display: none; }

.fc-versus-join-row { display: flex; gap: 6px; margin-top: 10px; }
.fc-versus-join-row input {
    flex: 1;
    background: rgba(10, 13, 24, 0.6);
    border: 1px solid var(--fc-glass-border);
    border-radius: 8px;
    padding: 8px 10px;
    color: var(--fc-text);
    font-size: 13px;
    text-align: center;
}
.fc-versus-room-code {
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--fc-neon-cyan);
    text-shadow: 0 0 8px rgba(63, 240, 255, .6);
    margin-top: 8px;
}
.fc-versus-status { font-size: 11px; color: var(--fc-text-dim); margin-top: 4px; }

/* ── 스테이지 / 보드 그리드 ──
   4개 보드를 모두 동일한 방향(일반 세로형)으로 동시에 표시한다.
   모바일: 2x2 그리드 / 데스크탑(≥620px): 가로 1x4 배치로 더 넓게.
   캔버스 내부 해상도는 고정(132x242)이고, CSS로 반응형 스케일링만 한다. */
.fc-stage { position: relative; }
.fc-boards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
    max-width: 340px;
    margin: 0 auto;
}
@media (min-width: 620px) {
    .fc-boards { grid-template-columns: repeat(4, 1fr); max-width: 640px; }
}
.fc-board {
    position: relative;
    aspect-ratio: 1 / 2;
    background: rgba(10, 13, 24, 0.75);
    border: 1px solid var(--fc-glass-border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: inset 0 0 12px rgba(0, 0, 0, 0.6);
    transition: border-color .2s, box-shadow .2s;
    cursor: pointer;
}
.fc-board canvas { width: 100%; height: 100%; display: block; }
.fc-board--focused {
    border-color: var(--fc-neon-cyan);
    box-shadow: 0 0 14px rgba(63, 240, 255, .55), inset 0 0 12px rgba(0, 0, 0, .6);
}
.fc-board--locked { filter: grayscale(0.65) brightness(0.5); }
.fc-board-label {
    position: absolute;
    top: 4px; left: 6px;
    font-size: 11px;
    font-weight: 700;
    color: var(--fc-text-dim);
    text-shadow: 0 0 4px rgba(0,0,0,.8);
    pointer-events: none;
}

/* ── 오버레이(시작/결과) ── */
.fc-overlay {
    position: absolute;
    inset: 0;
    background: rgba(6, 8, 16, 0.9);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 10px;
    z-index: 5;
}
.fc-overlay.hidden { display: none; }
.fc-overlay-card {
    background: var(--fc-glass-bg);
    border: 1px solid var(--fc-glass-border);
    border-radius: 14px;
    padding: 20px;
    text-align: center;
    max-width: 300px;
}
.fc-overlay-card h2 {
    color: var(--fc-neon-cyan);
    text-shadow: 0 0 10px rgba(63, 240, 255, .6);
    margin-bottom: 8px;
    font-size: 18px;
}
.fc-overlay-card p { font-size: 13px; }
.fc-btn-primary {
    background: linear-gradient(135deg, var(--fc-neon-cyan), var(--fc-neon-pink));
    color: #0b0e1a;
    font-weight: 700;
    border: none;
    border-radius: 10px;
    padding: 9px 24px;
    margin-top: 12px;
    box-shadow: 0 0 14px rgba(255, 77, 158, .5);
}

.fc-key-hint {
    text-align: center;
    font-size: 10.5px;
    color: var(--fc-text-dim);
    margin-top: 10px;
}

/* ── 결과화면 순위 표시 ── */
.fc-result-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--fc-text-dim); margin: 4px 0; }
.fc-result-row b { color: var(--fc-text); }

/* ── 닉네임 등록 폼 ── */
.fc-nickname-form { margin: 12px 0; }
.fc-nickname-form.hidden { display: none; }
.fc-nickname-hint { font-size: 11px; color: var(--fc-neon-pink); margin-bottom: 6px; }
.fc-nickname-row { display: flex; gap: 6px; }
.fc-nickname-input {
    flex: 1;
    background: rgba(10, 13, 24, 0.6);
    border: 1px solid var(--fc-glass-border);
    border-radius: 8px;
    padding: 8px 10px;
    color: var(--fc-text);
    font-size: 13px;
}
.fc-nickname-skip {
    display: block;
    margin: 8px auto 0;
    background: none;
    border: none;
    color: var(--fc-text-dim);
    font-size: 11px;
    text-decoration: underline;
}
.fc-nickname-msg { font-size: 12px; margin-top: 6px; min-height: 14px; }
.fc-nickname-msg.error { color: var(--fc-neon-pink); }
.fc-nickname-msg.success { color: var(--fc-neon-cyan); }

/* ── 랭킹보드 ── */
.fc-ranking-section { margin-top: 20px; }
.fc-ranking-title {
    font-size: 15px;
    text-align: center;
    color: var(--fc-neon-cyan);
    text-shadow: 0 0 8px rgba(63, 240, 255, .5);
    margin-bottom: 8px;
}
.fc-ranking-list { list-style: none; padding: 0; margin: 0; }
.fc-ranking-item, .fc-ranking-empty {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 7px 12px;
    border-radius: 8px;
    margin-bottom: 4px;
    background: var(--fc-glass-bg);
    border: 1px solid transparent;
    font-size: 12px;
}
.fc-ranking-item.is-mine { border-color: var(--fc-neon-cyan); box-shadow: 0 0 8px rgba(63, 240, 255, .4); }
.fc-ranking-rank { width: 22px; font-weight: 700; color: var(--fc-neon-pink); }
.fc-ranking-label { flex: 1; color: var(--fc-text); }
.fc-ranking-score { font-weight: 700; color: var(--fc-neon-cyan); }
.fc-ranking-empty { justify-content: center; color: var(--fc-text-dim); }