.multiplayer-modal {
    position: fixed;
    inset: 0;
    z-index: 10000;
    display: grid;
    place-items: center;
    padding: max(16px, env(safe-area-inset-top)) 16px max(16px, env(safe-area-inset-bottom));
    background:
        radial-gradient(circle at 18% 82%, rgba(78, 205, 196, 0.2), transparent 26rem),
        radial-gradient(circle at 82% 12%, rgba(255, 107, 107, 0.16), transparent 24rem),
        rgba(4, 8, 18, 0.86);
    backdrop-filter: blur(18px);
}

.multiplayer-modal[hidden],
.multiplayer-panel[hidden],
.multiplayer-lobby[hidden],
.multiplayer-game[hidden],
.multiplayer-final[hidden] {
    display: none;
}

.multiplayer-modal-content {
    width: min(980px, 100%);
    max-height: min(820px, calc(100dvh - 32px));
    overflow: auto;
    position: relative;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(78, 205, 196, 0.34);
    background:
        linear-gradient(145deg, rgba(18, 29, 40, 0.96), rgba(8, 13, 22, 0.96)),
        url("../images/memoriz/backgrounds/web/categories.webp");
    background-size: cover;
    background-position: center;
    color: #fff;
    padding: clamp(18px, 3vw, 30px);
    box-shadow:
        0 26px 90px rgba(0, 0, 0, 0.64),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.multiplayer-modal-content::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background:
        linear-gradient(120deg, rgba(78, 205, 196, 0.11), transparent 36%),
        radial-gradient(circle at 86% 16%, rgba(255, 230, 109, 0.12), transparent 18rem);
    pointer-events: none;
}

.multiplayer-modal-content > * {
    position: relative;
    z-index: 1;
}

.multiplayer-close {
    position: absolute;
    z-index: 2;
    top: clamp(14px, 2vw, 22px);
    right: clamp(14px, 2vw, 22px);
    min-width: 44px;
    min-height: 44px;
    border: 0;
    border-radius: var(--radius-md);
    background: rgba(27, 36, 51, 0.88);
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    transition: background 160ms ease, transform 160ms ease;
}

.multiplayer-heading {
    padding-right: 58px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-5);
}

.multiplayer-heading h2,
.multiplayer-game-topline h3,
.multiplayer-final h3 {
    margin: 0 0 8px;
    letter-spacing: 0;
    color: var(--color-text);
}

.multiplayer-status,
.multiplayer-score-live,
.multiplayer-progress-live,
.multiplayer-help {
    margin: 0 0 16px;
    color: #cbd5e1;
}

.multiplayer-toast-region {
    position: fixed;
    z-index: 10003;
    top: max(18px, env(safe-area-inset-top));
    left: 50%;
    width: min(460px, calc(100vw - 32px));
    transform: translateX(-50%);
    pointer-events: none;
}

.multiplayer-toast {
    border: 1px solid rgba(255, 206, 92, 0.72);
    border-radius: 14px;
    padding: 14px 18px;
    background: rgba(16, 24, 38, 0.96);
    color: #fff7d6;
    box-shadow: 0 18px 48px rgba(0, 0, 0, 0.42);
    font-weight: 800;
    text-align: center;
}

.multiplayer-toast[data-type="success"] {
    border-color: rgba(78, 205, 196, 0.74);
    color: #d9fffb;
}

.multiplayer-answer-dialog {
    position: fixed;
    inset: 0;
    z-index: 10004;
    display: grid;
    place-items: center;
    padding: 20px;
    background: rgba(2, 6, 14, 0.68);
    backdrop-filter: blur(10px);
}

.multiplayer-answer-dialog-panel {
    width: min(420px, 100%);
    border: 1px solid rgba(255, 206, 92, 0.72);
    border-radius: 20px;
    padding: 24px;
    background:
        radial-gradient(circle at 18% 0%, rgba(255, 206, 92, 0.18), transparent 14rem),
        linear-gradient(145deg, rgba(18, 29, 40, 0.98), rgba(8, 13, 22, 0.98));
    color: #fff;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.55);
    text-align: center;
}

.multiplayer-answer-dialog-panel h3 {
    margin: 0 0 10px;
    color: #ffce5c;
    font-size: 1.35rem;
}

.multiplayer-answer-dialog-panel p {
    margin: 0 0 20px;
    color: #e5edf8;
    line-height: 1.5;
}

.multiplayer-answer-dialog-panel button {
    min-width: 130px;
    min-height: 46px;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, #ffce5c, #ff9f43);
    color: #171103;
    font-weight: 800;
    cursor: pointer;
}

.multiplayer-tabs,
.multiplayer-actions,
.multiplayer-game-topline,
.multiplayer-meta,
.multiplayer-answer-form div {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.multiplayer-tabs {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    margin: 0 0 var(--space-5);
    padding: 5px;
    border: 1px solid rgba(78, 205, 196, 0.14);
    border-radius: var(--radius-md);
    background: rgba(7, 12, 20, 0.72);
}

.multiplayer-tabs button,
.multiplayer-panel button,
.multiplayer-actions button,
.multiplayer-code-card button,
.multiplayer-answer-form button,
.multiplayer-final button {
    min-height: 48px;
    border: 0;
    border-radius: var(--radius-sm);
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--color-primary), #55ddd4);
    color: #061415;
    font-weight: 700;
    cursor: pointer;
    transition:
        background var(--transition-fast),
        border-color var(--transition-fast),
        color var(--transition-fast),
        box-shadow var(--transition-fast),
        transform var(--transition-fast);
}

.memoriz-v4 .multiplayer-panel button,
.memoriz-v4 .multiplayer-actions button,
.memoriz-v4 .multiplayer-code-card button,
.memoriz-v4 .multiplayer-answer-form button,
.memoriz-v4 .multiplayer-final button {
    min-height: 48px;
}

.multiplayer-tabs button:not(.is-active),
.multiplayer-actions button:not(#multiplayer-start),
.multiplayer-code-card button,
.multiplayer-final button {
    background: rgba(27, 36, 51, 0.74);
    color: #e5edf8;
}

.multiplayer-tabs button:not(.is-active) {
    background: rgba(8, 13, 22, 0.72);
    color: #d7e5f2;
}

.multiplayer-tabs button.is-active {
    background: linear-gradient(135deg, var(--color-primary), #55ddd4);
    color: #061415;
    box-shadow: 0 12px 30px rgba(78, 205, 196, 0.22);
}

.multiplayer-tabs button:hover,
.multiplayer-panel button:hover,
.multiplayer-actions button:hover,
.multiplayer-code-card button:hover,
.multiplayer-final button:hover,
.multiplayer-close:hover {
    transform: translateY(-1px);
}

.multiplayer-close:focus-visible,
.multiplayer-tabs button:focus-visible,
.multiplayer-panel button:focus-visible,
.multiplayer-panel select:focus-visible,
.multiplayer-panel input:focus-visible {
    outline: 3px solid rgba(78, 205, 196, 0.72) !important;
    outline-offset: 3px !important;
}

#multiplayer-start {
    background: linear-gradient(135deg, #6ee7b7, var(--color-primary));
    color: #052116;
}

#multiplayer-leave {
    background: rgba(255, 107, 107, 0.14);
    color: #ffd5dc;
}

.multiplayer-panel {
    display: grid;
    grid-template-columns: 1fr;
    gap: 14px;
    align-items: stretch;
    margin-bottom: 16px;
}

.multiplayer-portal {
    padding: clamp(18px, 3vw, 26px);
    border: 1px solid rgba(78, 205, 196, 0.28);
    border-radius: var(--radius-md);
    background:
        linear-gradient(180deg, rgba(18, 29, 40, 0.88), rgba(12, 18, 28, 0.84));
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.06),
        0 18px 38px rgba(0, 0, 0, 0.22);
}

.multiplayer-field {
    display: grid;
    gap: 8px;
}

.multiplayer-help {
    align-self: center;
    margin: 0;
    font-size: 0.92rem;
    font-weight: 600;
}

.multiplayer-panel label {
    display: block;
    font-weight: 700;
    color: var(--color-text);
}

.multiplayer-panel select,
.multiplayer-panel input,
.multiplayer-answer-form input {
    width: 100%;
    min-height: 52px;
    border: 1px solid rgba(78, 205, 196, 0.24);
    border-radius: var(--radius-sm);
    padding: 12px 14px;
    background: rgba(6, 12, 20, 0.78);
    color: #fff;
    font-size: 1rem;
    outline: none;
    transition:
        border-color var(--transition-fast),
        box-shadow var(--transition-fast),
        background var(--transition-fast);
}

.multiplayer-panel select:focus,
.multiplayer-panel input:focus,
.multiplayer-answer-form input:focus {
    border-color: var(--color-primary);
    background: rgba(8, 16, 26, 0.94);
    box-shadow: 0 0 0 3px rgba(78, 205, 196, 0.18);
}

.multiplayer-code-card {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 14px;
    border: 1px solid rgba(56, 214, 163, 0.28);
    border-radius: 8px;
    background: #0f1c26;
}

.multiplayer-game {
    padding: clamp(18px, 3vw, 32px);
    border-radius: 28px;
    background: linear-gradient(135deg, #fff, #f8f9fa);
    color: #1e1e2f;
    box-shadow: 0 22px 46px rgba(0, 0, 0, 0.28);
}

.multiplayer-game .multiplayer-game-topline {
    margin-bottom: 22px;
    padding-bottom: 18px;
    border-bottom: 2px solid #e8edf3;
}

.multiplayer-game .multiplayer-game-topline h3 {
    color: #1e1e2f;
    font-size: clamp(1.55rem, 4vw, 2.2rem);
}

.multiplayer-game .multiplayer-score-live {
    display: inline-flex;
    margin: 0 10px 14px 0;
    padding: 10px 18px;
    border-radius: 60px;
    background: linear-gradient(135deg, #ff4757, #ff6b6b);
    color: #fff;
    font-size: 1rem;
    font-weight: 800;
}

.multiplayer-game .multiplayer-progress-live {
    display: inline-flex;
    margin: 0 0 14px;
    padding: 10px 18px;
    border-radius: 60px;
    background: #f0f0f0;
    color: #1e1e2f;
    font-size: 1rem;
}

.multiplayer-game .multiplayer-timer {
    background: #1e1e2f;
    color: #ffa502;
    font-size: 1.35rem;
    letter-spacing: 2px;
}

.multiplayer-answer-table {
    margin-top: 18px;
    background: #fff;
}

.multiplayer-answer-table td:first-child {
    width: 64px;
    text-align: center;
    font-weight: 800;
}

.multiplayer-answer-row.is-found td {
    color: #1f7a3b;
    font-weight: 800;
}

.multiplayer-game .multiplayer-answer-form {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 2px solid #e8edf3;
}

.multiplayer-game .multiplayer-answer-form label {
    color: #1e1e2f;
}

.multiplayer-game .multiplayer-answer-form input {
    border: 2px solid #ddd;
    border-radius: 60px;
    background: #fefefe;
    color: #1e1e2f;
}

.multiplayer-game .multiplayer-answer-form input:focus {
    border-color: #ff4757;
    box-shadow: 0 0 0 3px rgba(255, 71, 87, 0.2);
}

.multiplayer-game .multiplayer-answer-form button {
    border-radius: 60px;
    background: linear-gradient(135deg, #ff4757, #ff6b6b);
    color: #fff;
}

.multiplayer-game .multiplayer-scoreboard,
.multiplayer-game .multiplayer-found-list {
    padding: 14px;
    border-radius: 18px;
    background: #f5f5f5;
    border-left: 4px solid #ff4757;
}

.multiplayer-game .multiplayer-score-row,
.multiplayer-game .multiplayer-found-item {
    border-color: #dde4ed;
    background: #fff;
    color: #1e1e2f;
}

.multiplayer-game .multiplayer-score-row.is-current {
    border-color: #ffa502;
    background: #fff7e8;
}

.multiplayer-code-card strong {
    font-family: Consolas, Monaco, monospace;
    font-size: 1.8rem;
    letter-spacing: 0;
}

.multiplayer-meta {
    margin: 14px 0;
}

.multiplayer-meta span {
    padding: 7px 10px;
    border-radius: 8px;
    background: #202a3a;
    color: #e8f0fb;
}

.multiplayer-players,
.multiplayer-scoreboard,
.multiplayer-found-list {
    list-style: none;
    padding: 0;
    margin: 12px 0;
    display: grid;
    gap: 8px;
}

.multiplayer-player,
.multiplayer-score-row,
.multiplayer-found-item {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto auto;
    gap: 10px;
    align-items: center;
    min-height: 44px;
    padding: 10px 12px;
    border: 1px solid #2b3648;
    border-radius: 8px;
    background: #151b29;
}

.multiplayer-score-row.is-current,
.multiplayer-player.is-current {
    border-color: #ffce5c;
    background: #231d15;
}

.multiplayer-player span,
.multiplayer-score-row span,
.multiplayer-found-item span {
    min-width: 0;
    overflow-wrap: anywhere;
}

.multiplayer-timer {
    margin-left: auto;
    padding: 8px 12px;
    border-radius: 8px;
    background: #38d6a3;
    color: #052116;
    font-variant-numeric: tabular-nums;
    font-weight: 800;
}

.multiplayer-progress-live {
    font-weight: 800;
}

.multiplayer-answer-form {
    margin: 18px 0;
}

.multiplayer-answer-form label {
    display: block;
    margin-bottom: 8px;
    font-weight: 700;
}

.multiplayer-answer-form div {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
}

.multiplayer-answer-form button:disabled,
.multiplayer-actions button:disabled,
.multiplayer-panel button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

@media (max-width: 720px) {
    .multiplayer-modal {
        align-items: end;
        padding: 0;
    }

    .multiplayer-modal-content {
        width: 100%;
        max-height: 92dvh;
        border-right: 0;
        border-bottom: 0;
        border-left: 0;
        border-radius: 8px 8px 0 0;
        padding: 16px;
    }

    .multiplayer-panel,
    .multiplayer-answer-form div,
    .multiplayer-code-card,
    .multiplayer-player,
    .multiplayer-score-row,
    .multiplayer-found-item {
        grid-template-columns: 1fr;
    }

    .multiplayer-timer {
        margin-left: 0;
    }

    .multiplayer-actions,
    .multiplayer-game-topline,
    .multiplayer-meta {
        align-items: stretch;
    }

    .multiplayer-actions button,
    .multiplayer-panel button,
    .multiplayer-code-card button,
    .multiplayer-answer-form button {
        width: 100%;
    }
}

@media (prefers-reduced-motion: reduce) {
    .multiplayer-modal *,
    .multiplayer-modal *::before,
    .multiplayer-modal *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}