.modal {
    display: none;
    position: fixed;
    z-index: 1001;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: var(--modal-overlay);
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--bg-card);
    color: var(--text-main);
    margin: auto;
    padding: 24px;
    border: 1px solid var(--border-main);
    width: 90%;
    max-width: 550px;
    border-radius: 6px;
    box-shadow: 0 5px 15px var(--shadow-color);
    position: relative;
    display: flex;
    flex-direction: column;
    height: auto;
    max-height: 90vh;
    overflow-y: auto;
}

#joinRoomModal .modal-content {
    max-width: 400px;
    margin: 15% auto;
}

.close-modal-button {
    color: var(--text-muted);
    position: absolute;
    top: 10px;
    right: 15px;
    font-size: 28px;
    font-weight: bold;
    line-height: 1;
    cursor: pointer;
}

.close-modal-button:hover { color: var(--text-main); }

.modal h2 {
    margin-top: 0;
    margin-bottom: 15px;
    color: var(--text-main);
}

.modal .form-group { margin-bottom: 15px; }

.modal label {
    display: block;
    margin-bottom: 4px;
    font-weight: bold;
    font-size: 14px;
    color: var(--text-secondary);
}

.modal input[type="text"], .modal textarea, .modal #commit-branch-select {
    width: 100%;
    padding: 10px;
    border: 1px solid var(--border-main);
    border-radius: 4px;
    font-size: 14px;
    box-sizing: border-box;
    transition: border-color 0.2s ease;
    background-color: var(--bg-input);
    color: var(--text-main);
}

.modal input[type="text"]:focus, .modal textarea:focus {
    border-color: var(--color-primary);
    outline: none;
}

.modal textarea { resize: vertical; min-height: 80px; }

.modal-actions {
    text-align: right;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-light);
}

.modal .button {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    margin-left: 10px;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.modal .button:active { transform: scale(0.98); }

.modal .button.primary {
    background-color: var(--color-primary);
    color: white;
}

.modal .button.primary:hover { background-color: var(--color-primary-hover); }
.modal .button.primary:disabled { opacity: 0.7; cursor: not-allowed; }

.modal .button.secondary {
    background-color: var(--bg-secondary);
    color: var(--text-main);
    border: 1px solid var(--border-main);
}

.modal .button.secondary:hover { background-color: var(--bg-hover); }

.modal .error-message {
    color: var(--color-danger);
    background-color: var(--color-danger-bg);
    border: 1px solid var(--color-danger);
    padding: 8px 12px;
    border-radius: 4px;
    margin-top: 15px;
    font-size: 0.9em;
    text-align: left;
}

html.dark-mode .modal .error-message {
    background-color: #4e3434;
    border-color: #b71c1c;
}