@media (max-width: 768px) {
    body {
        overflow: hidden !important;
        height: 100vh !important;
    }

    .chat-container {
        padding: 15px;
        padding-top: 50px;
    }

    .chat-container h1 {
        font-size: 1.6rem;
        margin-bottom: 10px;
    }

    .chat-settings {
        gap: 15px;
        margin-bottom: 25px;
    }

    .settings-row {
        gap: 15px;
    }

    .settings-group {
        gap: 6px;
    }

    .settings-group label {
        font-size: 0.85rem;
    }

    .btn-option {
        padding: 8px 12px;
        font-size: 0.75rem;
        border-radius: 8px;
        flex: 1; 
    }

    [data-group="my-gender"], [data-group="partner-gender"] {
        flex-wrap: nowrap;
    }

    .helper-text {
        display: none;
    }

    .btn-start {
        padding: 10px;
        font-size: 0.9rem;
        border-radius: 20px;
        width: 50%; 
        margin: 0 auto; 
        display: flex;
    }
    
    .btn-start svg {
        width: 18px;
        height: 18px;
    }

    .back-button {
        width: 32px;
        height: 32px;
        top: 15px;
        left: 15px;
        border-radius: 8px;
    }
    
    .back-button svg {
        width: 18px;
        height: 18px;
    }
    
    .online-badge {
        font-size: 0.65rem;
    }

    .footer {
        display: none;
    }

    .chat-controls {
        width: 100%;
        left: 0;
        right: 0;
        padding: 0 20px;
        justify-content: space-between;
        box-sizing: border-box;
    }

    .btn-report {
        background: var(--btn-text-bg);
        color: var(--text-primary);
        border: 1px solid var(--btn-text-border);
    }

    .btn-report:hover {
        background: var(--btn-text-hover-bg);
        border-color: var(--text-primary);
        box-shadow: none;
        transform: none;
    }

    @keyframes popIn {
        0% {
            opacity: 0;
            transform: scale(0.8) translateY(20px);
        }
        100% {
            opacity: 1;
            transform: scale(1) translateY(0);
        }
    }

    .report-modal-content {
        background: var(--surface-color);
        border: 1px solid var(--border-light);
        color: var(--text-primary);
        padding: 20px; 
        width: 85%;
        animation: popIn 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    }

    body.light-theme .report-modal-content {
        background: var(--surface-color);
        color: var(--text-primary);
        border: 1px solid var(--border-light);
        box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
        border-radius: 24px;
    }

    .report-modal-content h2 {
        color: inherit;
        font-size: 1.1rem;
        margin-bottom: 15px;
        font-weight: 700;
    }

    .report-reasons {
        gap: 8px;
        margin-bottom: 15px;
    }

    .reason-option {
        background: transparent;
        border: 1px solid var(--border-light);
        color: var(--text-primary);
        padding: 12px;
        font-size: 0.9rem;
        border-radius: 14px;
        transition: all 0.2s ease;
    }

    body.light-theme .reason-option {
        background: var(--surface-secondary);
        border: 1px solid transparent;
        color: var(--text-primary);
    }

    .reason-option:hover {
        background: var(--btn-text-hover-bg);
    }

    body.light-theme .reason-option:hover {
        background: var(--btn-text-hover-bg);
    }

    .reason-option.selected {
        background: var(--text-primary);
        color: var(--bg-color);
        border-color: var(--text-primary);
        font-weight: 600;
    }

    body.light-theme .reason-option.selected {
        background: var(--text-primary);
        color: var(--bg-color);
        border-color: var(--text-primary);
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    }

    .report-actions {
        gap: 10px;
    }

    .report-actions button {
        padding: 12px;
        font-size: 0.9rem;
        border-radius: 14px;
        font-weight: 600;
    }

    .btn-report-only, .btn-report-and-end {
        background: var(--text-primary);
        color: var(--bg-color);
        border: none;
    }

    body.light-theme .btn-report-only, 
    body.light-theme .btn-report-and-end {
        background: var(--text-primary);
        color: var(--bg-color);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .btn-cancel-report {
        background: transparent;
        border: 1px solid var(--border-light);
        color: var(--text-secondary);
        margin-top: 10px;
        padding: 12px;
        font-size: 0.9rem;
        border-radius: 14px;
    }

    body.light-theme .btn-cancel-report {
        border: 1px solid var(--border-light);
        color: var(--text-secondary);
        background: transparent;
    }
    
    body.light-theme .btn-cancel-report:hover {
        background: var(--surface-secondary);
        color: var(--text-primary);
    }
}