@media (max-width: 980px) {
    .task-grid {
        grid-template-columns: 1fr;
    }

    .answer-grid {
        grid-template-columns: repeat(2, minmax(120px, 1fr));
    }

    .weight-grid {
        grid-template-columns: repeat(3, minmax(90px, 1fr));
    }
}

@media (max-width: 768px) {
    #main-header {
        padding: 10px 12px;
    }

    .header-content {
        align-items: flex-start;
    }

    #auth-controls {
        gap: var(--space-1);
    }

    .btn {
        padding: 9px 12px;
        font-size: 0.88rem;
    }

    #menu-screen {
        padding: 14px;
        padding-bottom: 88px;
    }

    .menu-shell {
        padding: var(--space-4);
        border-radius: 24px;
    }

    .brand-badge {
        font-size: 0.82rem;
        padding: var(--space-1);
        margin-bottom: 10px;
    }

    #menu-screen h1 {
        font-size: 2rem;
    }

    .subtitle {
        font-size: 0.95rem;
        line-height: 1.45;
    }

    #player-name {
        width: 100%;
        max-width: 100%;
        padding: var(--space-2);
        font-size: 0.95rem;
    }

    .task-grid {
        gap: var(--space-2);
        margin-top: var(--space-2);
    }

    .task-card {
        padding: var(--space-4);
        border-radius: 22px;
    }

    .task-icon {
        width: 72px;
        height: 72px;
        font-size: 2rem;
        border-radius: 20px;
    }

    .task-title {
        font-size: 1.2rem;
    }

    .task-desc {
        font-size: 0.9rem;
    }

    .stats-container {
        margin-top: var(--space-4);
        padding: var(--space-3);
        border-radius: 18px;
    }

    #game-screen {
        padding-top: calc(10px + env(safe-area-inset-top));
    }

    #hud {
        grid-template-columns: 1fr;
        gap: var(--space-1);
        padding: 0 10px;
    }

    .hud-center,
    .hud-right {
        justify-content: stretch;
    }

    .hud-right {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    #back-btn,
    .hud-pill {
        width: 100%;
        min-width: 0;
        padding: 10px 14px;
        font-size: 0.95rem;
    }

    #back-btn {
        max-width: 160px;
    }

    #game-stage {
        padding: 10px 10px 0;
    }

    #gameCanvas {
        border-radius: 20px;
    }

    .answer-panel {
        padding: 10px 10px 0;
        gap: 10px;
    }

    .answer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 10px;
    }

    .weight-grid {
        grid-template-columns: repeat(2, minmax(100px, 1fr));
    }

    .answer-btn,
    .action-btn,
    .weight-btn {
        padding: 15px 12px;
        border-radius: 18px;
        font-size: 1rem;
    }

    .result-actions {
        grid-template-columns: 1fr;
    }

    .footer-content {
        font-size: 0.72rem;
    }

    .footer-center {
        display: none;
    }
}

@media (max-width: 600px) {
    .menu-card {
        padding: 14px;
        margin: 10px;
        border-radius: 18px;
        min-height: 70px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .menu-card h2 {
        font-size: 20px;
        margin-bottom: 4px;
    }

    .menu-card small {
        font-size: 16px;
        color: #7df3c8;
    }

    .game-container {
        padding: 10px;
    }

    .sequence-box {
        width: 60px;
        height: 60px;
        font-size: 22px;
        border-radius: 12px;
        margin: 4px;
    }

    .numpad {
        gap: 10px;
        padding: 10px;
    }

    .numpad button {
        height: 60px;
        font-size: 22px;
        border-radius: 14px;
    }

    .numpad .ok-btn {
        height: 70px;
        font-size: 24px;
        font-weight: bold;
    }

    .game-panel {
        padding: var(--space-2);
        gap: 10px;
    }

    .question-box {
        font-size: 20px;
        padding: 10px;
    }

    .coin-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .coin-btn {
        min-height: 56px;
        font-size: 0.95rem;
        border-radius: 16px;
    }

    .tabla-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (max-width: 900px) and (orientation: landscape) {
    .snake-controls-left {
        left: 6px;
        gap: var(--space-1);
    }

    .snake-controls-right {
        right: 6px;
        gap: var(--space-1);
    }

    .snake-touch-btn {
        width: 52px;
        height: 52px;
        font-size: 20px;
    }
}

@media (max-width: 700px) and (orientation: landscape) {
    .snake-touch-btn {
        width: 48px;
        height: 48px;
        font-size: 18px;
    }
}