/* ============================================================
   POCKET CHESS PRO — TEMA "CLUB CLÁSICO"
   Nogal oscuro + mármol crema + bronce envejecido.
   Inspirado en las salas de ajedrez de club: tableros de madera
   maciza, tapetes de fieltro burdeos, placas de bronce grabadas.
   ============================================================ */
:root {
    /* Maderas */
    --wood-espresso: #241209;
    --wood-dark: #2f1a0d;
    --wood-mid: #4a2c17;
    --wood-light: #6b4226;
    --wood-grain: #7d5433;

    /* Mármol */
    --marble-white: #f7f1e3;
    --marble-cream: #ece2cb;
    --marble-vein: #b8a888;
    --marble-shadow: #8a7c60;

    /* Bronce / Oro envejecido */
    --bronze: #a97c46;
    --bronze-light: #d4ac6e;
    --bronze-dark: #7a5527;
    --bronze-foil: linear-gradient(135deg, #ecd39c 0%, #c99a52 25%, #8a6329 50%, #d4ac6e 70%, #a97c46 100%);

    /* Acentos */
    --burgundy: #5e1f2b;
    --burgundy-light: #8a3142;
    --forest: #2f4a34;
    --forest-light: #47694e;
    --ivory-square: #e8d9ba;
    --walnut-square: #6b4226;

    /* Texto */
    --text-primary: #f2e9d8;
    --text-secondary: #b9a98a;
    --text-muted: #7c6f57;

    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 18px;
    --radius-xl: 24px;

    --transition-fast: 0.18s cubic-bezier(.4,0,.2,1);
    --transition-normal: 0.32s cubic-bezier(.4,0,.2,1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { height: 100%; }

body {
    font-family: 'EB Garamond', Georgia, serif;
    background:
        radial-gradient(ellipse 900px 500px at 50% -10%, rgba(169,124,70,0.08) 0%, transparent 60%),
        radial-gradient(ellipse 1200px 800px at 50% 110%, rgba(94,31,43,0.14) 0%, transparent 55%),
        var(--wood-espresso);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    display: flex;
    flex-direction: column;
    position: relative;
}

/* Textura sutil de veta de madera */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: repeating-linear-gradient(180deg, rgba(0,0,0,0.06) 0px, transparent 2px, transparent 26px, rgba(0,0,0,0.05) 28px);
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,0.02); }
::-webkit-scrollbar-thumb { background: rgba(169,124,70,0.3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(169,124,70,0.5); }

h1, h2, h3, .display-face {
    font-family: 'Cormorant Garamond', 'EB Garamond', serif;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.mono-face {
    font-family: 'Cutive Mono', 'Courier New', monospace;
}

/* ===== HEADER DE MARCA ===== */
.page-header {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px 24px;
    background: linear-gradient(180deg, rgba(15,8,4,0.92), rgba(15,8,4,0));
    position: relative;
    z-index: 2;
    border-bottom: 1px solid rgba(169,124,70,0.08);
}
.brand {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.7rem;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
}
.brand .w { color: var(--marble-white); }
.brand .g {
    background: var(--bronze-foil);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}
.brand-sub {
    font-family: 'EB Garamond', serif;
    font-size: 0.68rem;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--text-muted);
    text-align: center;
    margin-top: 2px;
    display: block;
}

/* ===== ESCENARIO PRINCIPAL ===== */
.stage {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 12px 24px 40px;
    position: relative;
    z-index: 1;
}

.entry-card {
    background:
        radial-gradient(ellipse 500px 240px at 50% 0%, rgba(169,124,70,0.08) 0%, transparent 70%),
        var(--wood-dark);
    border-radius: var(--radius-xl);
    border: 1px solid rgba(169,124,70,0.2);
    box-shadow: 0 30px 80px rgba(0,0,0,0.75), 0 0 0 1px rgba(169,124,70,0.04), inset 0 1px 0 rgba(255,255,255,0.03);
    padding: 46px 48px 40px;
    max-width: 620px;
    width: 100%;
    text-align: center;
    position: relative;
    animation: cardRise 0.6s cubic-bezier(.2,.8,.2,1);
}
.entry-card::before {
    content: '';
    position: absolute;
    top: 0; left: 8%; right: 8%;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(212,172,110,0.6), transparent);
}
.entry-card::after {
    content: '';
    position: absolute;
    inset: 10px;
    border: 1px solid rgba(212,172,110,0.09);
    border-radius: calc(var(--radius-xl) - 6px);
    pointer-events: none;
}

@keyframes cardRise {
    0% { opacity: 0; transform: translateY(18px) scale(0.98); }
    100% { opacity: 1; transform: translateY(0) scale(1); }
}

/* ===== EMBLEMA (piezas cruzadas, en vez de logo-imagen) ===== */
.crest {
    width: 84px;
    height: 84px;
    margin: 0 auto 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, var(--wood-light), var(--wood-espresso) 75%);
    border: 2px solid var(--bronze);
    box-shadow: 0 0 0 5px rgba(169,124,70,0.08), 0 12px 30px rgba(0,0,0,0.5);
    font-size: 2.6rem;
    color: var(--bronze-light);
    position: relative;
}
.crest::before {
    content: '♞';
    position: absolute;
    left: 14px;
    font-size: 1.5rem;
    opacity: 0.55;
    top: 22px;
}
.crest span { position: relative; z-index: 1; }

.entry-tagline {
    font-size: 1rem;
    font-style: italic;
    color: var(--text-secondary);
    letter-spacing: 0.3px;
    margin-bottom: 30px;
}
.entry-tagline strong { color: var(--bronze-light); font-weight: 700; font-style: normal; }

/* ===== SELECTOR DE MODOS ===== */
.mode-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.mode-card {
    display: flex;
    align-items: center;
    gap: 16px;
    width: 100%;
    padding: 18px 22px;
    border: 1px solid rgba(212,172,110,0.18);
    background: linear-gradient(180deg, rgba(107,66,38,0.22), rgba(47,26,13,0.4));
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: transform 0.16s cubic-bezier(.4,0,.2,1), filter 0.16s cubic-bezier(.4,0,.2,1), border-color 0.16s;
    text-align: left;
    position: relative;
    overflow: hidden;
}
.mode-card:hover {
    transform: translateY(-3px);
    filter: brightness(1.08);
    border-color: rgba(212,172,110,0.45);
}
.mode-card:active { transform: translateY(-1px); }
.mode-card:disabled, .mode-card.disabled {
    opacity: 0.45;
    cursor: not-allowed;
    filter: grayscale(0.4);
}
.mode-card:disabled:hover, .mode-card.disabled:hover { transform: none; border-color: rgba(212,172,110,0.18); }

.mode-icon {
    flex: 0 0 auto;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    background: radial-gradient(circle at 35% 30%, var(--wood-light), var(--wood-espresso) 75%);
    border: 1.5px solid var(--bronze);
    color: var(--bronze-light);
}
.mode-text { flex: 1; }
.mode-title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--marble-white);
    letter-spacing: 0.3px;
}
.mode-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: 2px;
}
.mode-arrow {
    flex: 0 0 auto;
    color: var(--bronze);
    font-size: 1.1rem;
}
.mode-badge {
    font-size: 0.62rem;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--bronze-light);
    border: 1px solid rgba(212,172,110,0.4);
    border-radius: 20px;
    padding: 2px 9px;
    margin-left: 8px;
}

/* ===== FOOTER DE CRÉDITOS ===== */
.entry-footer {
    margin-top: 28px;
    font-size: 0.7rem;
    color: var(--text-muted);
    letter-spacing: 0.2px;
    line-height: 1.7;
}
.entry-footer i { color: var(--bronze); margin-right: 4px; }
.credit-author { color: var(--bronze-light); font-weight: 600; margin-right: 2px; }
.whatsapp-link {
    display: inline-block;
    color: #7fb88a;
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast), transform var(--transition-fast);
    margin-left: 2px;
}
.whatsapp-link i { color: #7fb88a; margin-right: 4px; font-size: 0.8rem; }
.whatsapp-link:hover { color: #9fd4a8; transform: scale(1.03); }

.page-footer {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 14px 0 20px;
    font-size: 0.62rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--text-muted);
    position: relative;
    z-index: 1;
}
.status-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--forest-light);
    box-shadow: 0 0 6px var(--forest-light);
    display: inline-block;
}

/* ============================================================
   PÁGINAS DE JUEGO (Individual / Online)
   ============================================================ */
.top-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 12px 18px;
    background: linear-gradient(180deg, rgba(15,8,4,0.95), rgba(15,8,4,0.7));
    border-bottom: 1px solid rgba(169,124,70,0.12);
    position: relative;
    z-index: 5;
    flex-wrap: wrap;
}
.room-pill {
    font-size: 0.78rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--bronze-light);
    border: 1px solid rgba(212,172,110,0.3);
    border-radius: 20px;
    padding: 5px 14px;
}
.header-actions { display: flex; gap: 8px; align-items: center; }
.icon-btn, .back-btn {
    background: rgba(107,66,38,0.3);
    border: 1px solid rgba(212,172,110,0.25);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    padding: 7px 12px;
    font-size: 0.82rem;
    cursor: pointer;
    transition: var(--transition-fast);
    font-family: 'EB Garamond', serif;
}
.icon-btn:hover, .back-btn:hover { background: rgba(169,124,70,0.28); border-color: var(--bronze); }

.game-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 18px 16px 40px;
    gap: 18px;
    position: relative;
    z-index: 1;
}

/* ===== CONFIGURACIÓN (ENTRADA) ===== */
.config-container {
    max-width: 560px;
    width: 100%;
    margin: 20px auto;
    background: var(--wood-dark);
    border: 1px solid rgba(212,172,110,0.18);
    border-radius: var(--radius-xl);
    padding: 40px 40px 34px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.7);
    text-align: center;
}
.config-badge {
    display: inline-block;
    font-size: 0.68rem;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--bronze-light);
    border: 1px solid rgba(212,172,110,0.35);
    border-radius: 20px;
    padding: 5px 16px;
    margin-bottom: 22px;
}
.form-group { margin-bottom: 24px; text-align: left; }
.form-group label {
    display: block;
    font-size: 0.92rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-style: italic;
}
.form-group input[type="text"] {
    width: 100%;
    padding: 11px 14px;
    background: rgba(0,0,0,0.25);
    border: 1px solid rgba(212,172,110,0.25);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'EB Garamond', serif;
    font-size: 1rem;
}
.form-group input[type="text"]:focus { outline: none; border-color: var(--bronze); }

.entry-photo-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin-bottom: 18px;
}
.entry-photo-preview {
    width: 80px; height: 80px;
    border-radius: 50%;
    background: rgba(255,255,255,0.02);
    border: 2px solid rgba(212,172,110,0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-muted);
    overflow: hidden;
    background-size: cover;
    background-position: center;
}
.entry-photo-btn {
    background: rgba(212,172,110,0.06);
    border: 1px solid rgba(212,172,110,0.18);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    cursor: pointer;
    font-size: 0.75rem;
    color: var(--bronze-light);
    transition: all var(--transition-fast);
}
.entry-photo-btn:hover { background: rgba(212,172,110,0.12); }

.color-selector {
    display: flex;
    gap: 10px;
}
.entry-color-btn {
    flex: 1;
    padding: 14px 10px;
    background: rgba(107,66,38,0.2);
    border: 1.5px solid rgba(212,172,110,0.2);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    cursor: pointer;
    font-family: 'EB Garamond', serif;
    font-size: 0.95rem;
    text-align: center;
    transition: var(--transition-fast);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}
.entry-color-btn .choice-icon { font-size: 1.6rem; }
.entry-color-btn:hover { border-color: rgba(212,172,110,0.5); }
.entry-color-btn.selected {
    border-color: var(--bronze);
    background: rgba(169,124,70,0.22);
    box-shadow: 0 0 0 1px var(--bronze);
}

.primary-btn {
    width: 100%;
    padding: 15px;
    background: var(--bronze-foil);
    border: none;
    border-radius: var(--radius-md);
    color: #241105;
    font-family: 'Cormorant Garamond', serif;
    font-weight: 700;
    font-size: 1.15rem;
    letter-spacing: 0.8px;
    cursor: pointer;
    transition: var(--transition-fast);
    box-shadow: 0 10px 24px rgba(169,124,70,0.28);
}
.primary-btn:hover { filter: brightness(1.08); transform: translateY(-1px); }
.primary-btn:active { transform: translateY(0); }
.primary-btn:disabled { opacity: 0.5; cursor: not-allowed; filter: none; transform: none; }

.secondary-btn {
    width: 100%;
    padding: 12px;
    background: transparent;
    border: 1.5px solid rgba(212,172,110,0.3);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: 'EB Garamond', serif;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-top: 10px;
}
.secondary-btn:hover { border-color: var(--bronze); background: rgba(169,124,70,0.1); }

/* ===== LOBBY BAR ===== */
.table-lobby-bar {
    display: none;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 12px;
    padding: 10px 16px;
    margin: 0 auto 4px;
    max-width: 620px;
    background: rgba(47,26,13,0.6);
    border-radius: var(--radius-md);
    border: 1px solid rgba(212,172,110,0.1);
}
.lobby-action-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bronze-foil);
    border: 1px solid rgba(255,255,255,0.25);
    border-radius: 30px;
    padding: 10px 20px;
    color: #241105;
    font-weight: 700;
    font-size: 0.82rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    white-space: nowrap;
}
.lobby-action-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(169,124,70,0.3);
}
.lobby-join-inline {
    display: flex;
    gap: 8px;
    align-items: center;
}
.lobby-join-inline input {
    width: 160px;
    padding: 10px 14px;
    background: rgba(0,0,0,0.25);
    border: 1px solid rgba(212,172,110,0.25);
    border-radius: 30px;
    color: var(--text-primary);
    font-size: 0.8rem;
    outline: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: border-color var(--transition-fast);
}
.lobby-join-inline input:focus { border-color: var(--bronze); }
.lobby-join-inline button {
    background: rgba(212,172,110,0.08);
    border: 1px solid rgba(212,172,110,0.25);
    border-radius: 30px;
    padding: 10px 16px;
    color: var(--bronze-light);
    font-weight: 600;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.lobby-join-inline button:hover { background: rgba(212,172,110,0.16); }

/* ===== START BANNER ===== */
.table-start-banner {
    display: none;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
    padding: 12px 20px;
    margin: 0 auto 10px;
    max-width: 620px;
    background: linear-gradient(180deg, rgba(212,172,110,0.08), rgba(255,255,255,0.02));
    border: 1px solid rgba(212,172,110,0.22);
    border-radius: var(--radius-md);
    text-align: center;
    font-size: 0.82rem;
    color: var(--text-secondary);
    animation: startBannerPulse 2.4s ease-in-out infinite;
}
@keyframes startBannerPulse {
    0%, 100% { border-color: rgba(212,172,110,0.22); }
    50% { border-color: rgba(212,172,110,0.5); }
}
.table-start-banner #startGameBtn {
    background: linear-gradient(180deg, #52d42e 0%, #2f9014 100%);
    border: none;
    border-radius: 30px;
    padding: 10px 24px;
    color: #fff;
    font-weight: 700;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}
.table-start-banner #startGameBtn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(47,144,20,0.4);
}
.table-start-banner #startGameBtn:disabled {
    background: #444;
    cursor: not-allowed;
    opacity: 0.6;
    transform: none;
    box-shadow: none;
}

/* ===== MODAL DE INVITACIÓN ===== */
.modal-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(14px);
    z-index: 399;
    animation: fadeIn 0.25s ease;
}
.modal-backdrop.active { display: block; }
.raise-panel {
    display: none;
    background: linear-gradient(180deg, rgba(15,18,21,0.98), rgba(7,8,10,0.98));
    border: 1px solid rgba(212,172,110,0.2);
    border-radius: var(--radius-md);
    padding: 20px 22px;
    backdrop-filter: blur(14px);
    max-width: 400px;
    width: 90%;
    max-height: 88vh;
    overflow-y: auto;
    box-shadow: 0 12px 50px rgba(0,0,0,0.7), 0 0 0 1px rgba(212,172,110,0.04);
}
.raise-panel.active {
    display: block;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 400;
    animation: fadeInUp 0.25s ease;
}
@keyframes fadeInUp {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}
.raise-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.raise-header label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
}
.raise-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0 4px;
    transition: color var(--transition-fast);
}
.raise-close:hover { color: var(--bronze-light); }

.room-code-box {
    background: rgba(212,172,110,0.04);
    border: 1px solid rgba(212,172,110,0.18);
    border-radius: var(--radius-md);
    padding: 20px;
    margin-bottom: 20px;
    width: 100%;
}
.room-code-box .label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    font-weight: 500;
}
.code-row {
    display: flex;
    align-items: center;
    gap: 12px;
    justify-content: center;
}
.code {
    font-family: 'Cutive Mono', monospace;
    font-size: 2rem;
    font-weight: 700;
    color: var(--bronze-light);
    letter-spacing: 4px;
}
.copy-code-btn {
    background: rgba(212,172,110,0.1);
    border: 1px solid rgba(212,172,110,0.25);
    border-radius: var(--radius-sm);
    padding: 8px 16px;
    color: var(--bronze-light);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    transition: all var(--transition-fast);
}
.copy-code-btn:hover { background: rgba(212,172,110,0.18); }
.info-note {
    font-size: 0.75rem;
    color: var(--text-muted);
}
.info-note i { color: var(--bronze); margin-right: 4px; }

/* ===== TABLERO ===== */
.board-wrap {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}
.board-frame {
    background: linear-gradient(145deg, var(--wood-light), var(--wood-espresso));
    border-radius: var(--radius-md);
    padding: 16px;
    box-shadow: 0 24px 60px rgba(0,0,0,0.6), inset 0 0 0 1px rgba(212,172,110,0.15);
    position: relative;
}
.board-frame::before {
    content: '';
    position: absolute;
    inset: 6px;
    border: 1px solid rgba(212,172,110,0.25);
    border-radius: calc(var(--radius-md) - 2px);
    pointer-events: none;
}
.chessboard {
    display: grid;
    grid-template-columns: repeat(8, minmax(0,1fr));
    grid-template-rows: repeat(8, minmax(0,1fr));
    width: min(90vw, 480px);
    height: min(90vw, 480px);
    border-radius: 4px;
    overflow: hidden;
    box-shadow: 0 0 0 2px rgba(0,0,0,0.4);
}
.square {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
    user-select: none;
}
.square.light { background: var(--ivory-square); }
.square.dark { background: var(--walnut-square); }
.square .coord-label {
    position: absolute;
    font-size: 0.55rem;
    font-family: 'Cutive Mono', monospace;
    opacity: 0.55;
    pointer-events: none;
}
.square.light .coord-label { color: var(--walnut-square); }
.square.dark .coord-label { color: var(--ivory-square); }
.square .coord-label.file { bottom: 2px; right: 3px; }
.square .coord-label.rank { top: 2px; left: 3px; }

.square.selected { box-shadow: inset 0 0 0 3px var(--bronze-light); }
.square.last-move { background-image: linear-gradient(rgba(169,124,70,0.35), rgba(169,124,70,0.35)); }
.square.in-check { background-image: linear-gradient(rgba(142,32,32,0.55), rgba(142,32,32,0.55)); }

.move-dot {
    width: 26%;
    height: 26%;
    border-radius: 50%;
    background: rgba(60,40,20,0.38);
    pointer-events: none;
}
.move-dot.capture {
    width: 88%;
    height: 88%;
    background: transparent;
    border: 4px solid rgba(142,32,32,0.55);
    border-radius: 50%;
    box-sizing: border-box;
}

.piece {
    width: 84%;
    height: 84%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: clamp(1.6rem, 6vw, 2.6rem);
    line-height: 1;
    cursor: grab;
    transition: transform 0.12s ease;
    filter: drop-shadow(0 2px 3px rgba(0,0,0,0.45));
}
.piece.white-piece { color: #f7f1e3; -webkit-text-stroke: 1px #3a2413; }
.piece.black-piece { color: #1a0e05; -webkit-text-stroke: 0.5px #d4ac6e; }
.piece:hover { transform: scale(1.08); }
.piece.dragging { opacity: 0.35; }

/* ===== PANEL LATERAL / INFO ===== */
.side-panel {
    width: min(90vw, 480px);
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.player-card {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    background: var(--wood-dark);
    border: 1px solid rgba(212,172,110,0.16);
    border-radius: var(--radius-md);
    transition: var(--transition-fast);
}
.player-card.active-turn {
    border-color: var(--bronze);
    box-shadow: 0 0 0 1px var(--bronze), 0 8px 20px rgba(169,124,70,0.15);
}
.player-avatar {
    width: 42px; height: 42px;
    border-radius: 50%;
    background: radial-gradient(circle at 35% 30%, var(--wood-light), var(--wood-espresso) 75%);
    border: 1.5px solid var(--bronze);
    display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem;
    flex: 0 0 auto;
    background-size: cover;
    background-position: center;
}
.player-info { flex: 1; min-width: 0; }
.player-name { font-family: 'Cormorant Garamond', serif; font-weight: 700; font-size: 1.05rem; color: var(--marble-white); }
.player-status { font-size: 0.75rem; color: var(--text-secondary); }
.captured-row { display: flex; flex-wrap: wrap; gap: 1px; font-size: 1.1rem; min-height: 22px; }

.info-strip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: rgba(107,66,38,0.18);
    border: 1px solid rgba(212,172,110,0.14);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.move-history {
    max-height: 160px;
    overflow-y: auto;
    background: var(--wood-dark);
    border: 1px solid rgba(212,172,110,0.16);
    border-radius: var(--radius-md);
    padding: 10px 14px;
    font-family: 'Cutive Mono', monospace;
    font-size: 0.82rem;
}
.move-history-row { display: flex; gap: 10px; padding: 3px 0; color: var(--text-secondary); }
.move-history-row .move-num { color: var(--text-muted); width: 26px; flex-shrink: 0; }
.move-history-row .move-w { color: var(--marble-white); width: 60px; }
.move-history-row .move-b { color: var(--text-secondary); }

.action-row { display: flex; gap: 10px; }
.action-row .secondary-btn { margin-top: 0; }

/* ===== MODAL PROMOCIÓN / GANADOR ===== */
.modal-backdrop-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,5,2,0.72);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    animation: fadeIn 0.25s ease;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal-box {
    background: var(--wood-dark);
    border: 1px solid rgba(212,172,110,0.3);
    border-radius: var(--radius-lg);
    padding: 30px 32px;
    max-width: 380px;
    width: 90%;
    text-align: center;
    box-shadow: 0 30px 80px rgba(0,0,0,0.8);
}
.modal-box h2 { font-size: 1.7rem; margin-bottom: 10px; color: var(--bronze-light); }
.modal-box p { color: var(--text-secondary); margin-bottom: 20px; font-style: italic; }
.promo-options { display: flex; gap: 10px; justify-content: center; margin-bottom: 8px; }
.promo-option {
    width: 60px; height: 60px;
    border-radius: var(--radius-md);
    background: rgba(107,66,38,0.25);
    border: 1.5px solid rgba(212,172,110,0.25);
    font-size: 2rem;
    display: flex; align-items: center; justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}
.promo-option:hover { border-color: var(--bronze); background: rgba(169,124,70,0.28); }

/* ===== SALA ONLINE (CREAR/UNIRSE) ===== */
.room-setup {
    max-width: 480px;
    width: 100%;
    margin: 20px auto;
    background: var(--wood-dark);
    border: 1px solid rgba(212,172,110,0.18);
    border-radius: var(--radius-xl);
    padding: 36px 36px 30px;
    text-align: center;
}
.tab-switch { display: flex; gap: 8px; margin-bottom: 24px; }
.tab-btn {
    flex: 1;
    padding: 11px;
    background: rgba(107,66,38,0.18);
    border: 1px solid rgba(212,172,110,0.2);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    font-family: 'EB Garamond', serif;
    transition: var(--transition-fast);
}
.tab-btn.active { border-color: var(--bronze); color: var(--marble-white); background: rgba(169,124,70,0.2); }
.room-code-display {
    font-family: 'Cutive Mono', monospace;
    font-size: 2.1rem;
    letter-spacing: 6px;
    color: var(--bronze-light);
    padding: 18px;
    background: rgba(0,0,0,0.25);
    border: 1px dashed rgba(212,172,110,0.4);
    border-radius: var(--radius-md);
    margin: 16px 0;
}
.waiting-pulse {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-style: italic;
}
.waiting-dot {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--bronze-light);
    animation: pulseDot 1.2s infinite ease-in-out;
}
@keyframes pulseDot { 0%,100% { opacity: 0.3; } 50% { opacity: 1; } }

/* ===== TOAST / MENSAJES ===== */
.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background: var(--wood-dark);
    border: 1px solid rgba(212,172,110,0.3);
    border-radius: var(--radius-md);
    padding: 12px 22px;
    color: var(--text-primary);
    font-size: 0.9rem;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s ease;
    z-index: 200;
    max-width: 90vw;
    text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: rgba(142,32,32,0.5); }
.toast.success { border-color: rgba(71,105,78,0.5); }

/* ===== PLACEHOLDER "PRÓXIMAMENTE" (sala multijugador) ===== */
.coming-soon {
    max-width: 480px;
    width: 100%;
    margin: 20px auto;
    background: var(--wood-dark);
    border: 1px solid rgba(212,172,110,0.18);
    border-radius: var(--radius-xl);
    padding: 50px 40px;
    text-align: center;
}
.coming-soon .crest { margin-bottom: 20px; }
.coming-soon h2 { font-size: 1.8rem; color: var(--bronze-light); margin-bottom: 10px; }
.coming-soon p { color: var(--text-secondary); font-style: italic; line-height: 1.6; }

/* ===== RESPONSIVE ===== */
@media (max-width: 560px) {
    .entry-card { padding: 34px 22px 28px; border-radius: var(--radius-lg); }
    .brand { font-size: 1.3rem; letter-spacing: 2px; }
    .config-container, .room-setup { padding: 28px 22px 24px; }
    .mode-card { padding: 14px 16px; gap: 12px; }
    .mode-title { font-size: 1.1rem; }
    .table-lobby-bar {
        flex-direction: column;
        gap: 8px;
        padding: 8px 12px;
    }
    .lobby-join-inline input { width: 120px; font-size: 0.72rem; }
    .lobby-action-btn, .lobby-join-inline button { font-size: 0.72rem; padding: 8px 14px; }
    .table-start-banner { font-size: 0.72rem; padding: 10px 14px; }
    .table-start-banner #startGameBtn { font-size: 0.75rem; padding: 8px 18px; }
    .code { font-size: 1.5rem; }
    .crest { width: 64px; height: 64px; font-size: 2rem; }
    .crest::before { font-size: 1.2rem; left: 10px; top: 18px; }
    .board-frame { padding: 10px; }
    .chessboard { width: min(90vw, 360px); height: min(90vw, 360px); }
    .side-panel { width: min(90vw, 360px); }
    .player-card { padding: 8px 12px; }
    .player-name { font-size: 0.9rem; }
    .raise-panel { padding: 16px; max-width: 320px; }
}


/* ===== CHAT ===== */
.chat-section {
    margin-top: 10px;
    background: rgba(0,0,0,0.4);
    border-radius: 16px;
    border: 1px solid rgba(212,172,110,0.15);
    overflow: hidden;
}
.chat-tabs {
    display: flex;
    border-bottom: 1px solid rgba(212,172,110,0.15);
    background: rgba(0,0,0,0.3);
}
.chat-tab {
    flex: 1;
    padding: 8px 6px;
    background: none;
    border: none;
    color: rgba(255,255,255,0.5);
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}
.chat-tab.active {
    color: var(--bronze-light);
    background: rgba(212,172,110,0.08);
    border-bottom: 2px solid var(--bronze);
}
.chat-tab .badge {
    background: var(--burgundy);
    color: white;
    border-radius: 10px;
    padding: 0 6px;
    font-size: 0.6rem;
    line-height: 1.4;
}
.chat-container-inner {
    display: flex;
    flex-direction: column;
    height: 200px;
    max-height: 200px;
}
.chat-container-inner.active {
    display: flex;
}
.chat-container-inner .chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 6px 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    background: rgba(0,0,0,0.2);
}
.chat-container-inner .chat-messages .chat-msg {
    font-size: 0.72rem;
    padding: 3px 8px;
    border-radius: 12px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.04);
    display: flex;
    align-items: baseline;
    gap: 5px;
    word-break: break-word;
}
.chat-container-inner .chat-messages .chat-msg .msg-user {
    font-weight: 700;
    color: var(--bronze-light);
    white-space: nowrap;
}
.chat-container-inner .chat-messages .chat-msg .msg-text {
    color: #ddd;
    flex: 1;
}
.chat-container-inner .chat-messages .chat-msg .msg-time {
    font-size: 0.55rem;
    color: rgba(255,255,255,0.3);
    white-space: nowrap;
}
.chat-container-inner .chat-messages .chat-msg .msg-delete {
    background: none;
    border: none;
    color: rgba(255,255,255,0.2);
    cursor: pointer;
    font-size: 0.6rem;
    padding: 0 2px;
}
.chat-container-inner .chat-messages .chat-msg .msg-delete:hover {
    color: var(--burgundy-light);
}
.chat-container-inner .chat-input-area {
    display: flex;
    padding: 4px 8px;
    gap: 6px;
    border-top: 1px solid rgba(255,255,255,0.06);
    background: rgba(0,0,0,0.3);
}
.chat-container-inner .chat-input-area input {
    flex: 1;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px;
    padding: 5px 12px;
    color: #f0e8d8;
    font-size: 0.75rem;
    outline: none;
}
.chat-container-inner .chat-input-area input:focus {
    border-color: var(--bronze);
}
.chat-container-inner .chat-input-area button {
    background: var(--bronze-foil);
    border: none;
    border-radius: 50%;
    width: 28px;
    height: 28px;
    color: #241105;
    cursor: pointer;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s;
}
.chat-container-inner .chat-input-area button:hover {
    transform: scale(1.08);
}
.chat-container-inner .chat-input-area button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.private-chat-header {
    display: flex;
    justify-content: space-between;
    padding: 4px 12px;
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid rgba(212,172,110,0.15);
    color: var(--bronze-light);
    font-size: 0.75rem;
}
.private-chat-header button {
    background: none;
    border: none;
    color: #aaa;
    cursor: pointer;
    font-size: 1rem;
}
.private-chat-header button:hover {
    color: var(--burgundy-light);
}
.chat-private-btn {
    background: rgba(212,172,110,0.1);
    border: 1px solid rgba(212,172,110,0.25);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    color: var(--bronze-light);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    transition: all var(--transition-fast);
}
.chat-private-btn:hover {
    background: rgba(212,172,110,0.2);
}


/* ===== CHAT MODAL ===== */
.chat-toggle-btn {
    background: rgba(212,172,110,0.1);
    border: 1px solid rgba(212,172,110,0.25);
    border-radius: 50%;
    width: 38px;
    height: 38px;
    color: var(--bronze-light);
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all var(--transition-fast);
    position: relative;
    flex-shrink: 0;
}
.chat-toggle-btn:hover {
    background: rgba(212,172,110,0.2);
    transform: scale(1.05);
}
.chat-toggle-btn .chat-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    min-width: 18px;
    height: 18px;
    padding: 0 4px;
    border-radius: 50%;
    background: #e74c3c;
    color: #fff;
    font-size: 0.55rem;
    font-weight: 700;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 0 2px #2f1a0d;
    line-height: 1;
}
#chatModalBackdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.8);
    backdrop-filter: blur(8px);
    z-index: 500;
    align-items: center;
    justify-content: center;
}
.chat-modal {
    background: var(--wood-dark);
    border: 1px solid rgba(212,172,110,0.2);
    border-radius: var(--radius-lg);
    width: min(400px, 92%);
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 30px 80px rgba(0,0,0,0.8);
    overflow: hidden;
}
.chat-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid rgba(212,172,110,0.15);
    color: var(--bronze-light);
    font-weight: 600;
    font-size: 0.95rem;
}
.chat-modal-header i {
    margin-right: 6px;
}
.chat-modal-close {
    background: none;
    border: none;
    color: #aaa;
    cursor: pointer;
    font-size: 1.2rem;
    padding: 0 4px;
    transition: color var(--transition-fast);
}
.chat-modal-close:hover {
    color: var(--burgundy-light);
}

/* Reutilizar estilos de mensajes de chat ya existentes */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 10px 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
    min-height: 200px;
    max-height: 50vh;
}
.chat-msg {
    font-size: 0.78rem;
    padding: 4px 10px;
    border-radius: 12px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.04);
    display: flex;
    align-items: baseline;
    gap: 6px;
    word-break: break-word;
}
.chat-msg .msg-user {
    font-weight: 700;
    color: var(--bronze-light);
    white-space: nowrap;
}
.chat-msg .msg-text {
    color: #ddd;
    flex: 1;
}
.chat-msg .msg-time {
    font-size: 0.55rem;
    color: rgba(255,255,255,0.3);
    white-space: nowrap;
}
.chat-msg .msg-delete {
    background: none;
    border: none;
    color: rgba(255,255,255,0.2);
    cursor: pointer;
    font-size: 0.6rem;
    padding: 0 2px;
}
.chat-msg .msg-delete:hover {
    color: var(--burgundy-light);
}

.chat-input-area {
    display: flex;
    padding: 6px 10px;
    gap: 6px;
    border-top: 1px solid rgba(255,255,255,0.06);
    background: rgba(0,0,0,0.3);
}
.chat-input-area input {
    flex: 1;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    border-radius: 20px;
    padding: 7px 14px;
    color: #f0e8d8;
    font-size: 0.8rem;
    outline: none;
}
.chat-input-area input:focus {
    border-color: var(--bronze);
}
.chat-input-area button {
    background: var(--bronze-foil);
    border: none;
    border-radius: 50%;
    width: 34px;
    height: 34px;
    color: #241105;
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s;
}
.chat-input-area button:hover {
    transform: scale(1.08);
}
.chat-input-area button:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* Ajustar botón de reinicio */
.action-row .secondary-btn#resetGameBtn {
    background: rgba(169,124,70,0.2);
    border-color: var(--bronze);
}
.action-row .secondary-btn#resetGameBtn:hover {
    background: rgba(169,124,70,0.35);
}