/* Auth Modal Overlay */
.auth-modal {
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease;
}

.auth-modal.active {
    display: flex;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.auth-modal-content {
    background: var(--card-bg, #1e1e1e);
    padding: 40px;
    border-radius: 20px;
    width: 90%;
    max-width: 450px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    position: relative;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        transform: translateY(50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.auth-modal-close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    color: var(--text-secondary, #9e9e9e);
    cursor: pointer;
    background: none;
    border: none;
    width: 36px;
    height: 36px;
    border-radius: 8px;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-color, #e0e0e0);
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border-color, #333);
}

.auth-tab {
    flex: 1;
    padding: 12px 20px;
    background: none;
    border: none;
    color: var(--text-secondary, #9e9e9e);
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    position: relative;
    transition: all 0.2s;
    border-bottom: 3px solid transparent;
}

.auth-tab:hover {
    color: var(--text-color, #e0e0e0);
}

.auth-tab.active {
    color: var(--primary-color, #7c4dff);
    border-bottom-color: var(--primary-color, #7c4dff);
}

/* Auth Forms */
.auth-form {
    display: none;
}

.auth-form.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

.auth-form-group {
    margin-bottom: 20px;
}

.auth-form-label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-color, #e0e0e0);
    font-size: 14px;
    font-weight: 500;
}

.auth-form-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--input-bg, #2d2d2d);
    border: 1px solid var(--border-color, #333);
    border-radius: 10px;
    color: var(--text-color, #e0e0e0);
    font-size: 15px;
    transition: all 0.2s;
}

.auth-form-input:focus {
    outline: none;
    border-color: var(--primary-color, #7c4dff);
    box-shadow: 0 0 0 3px rgba(124, 77, 255, 0.1);
}

.auth-form-input::placeholder {
    color: var(--text-secondary, #9e9e9e);
}

.auth-form-button {
    width: 100%;
    padding: 14px 24px;
    background: linear-gradient(135deg, var(--primary-color, #7c4dff), var(--primary-hover, #9370ff));
    border: none;
    border-radius: 10px;
    color: white;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    margin-top: 8px;
}

.auth-form-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(124, 77, 255, 0.4);
}

.auth-form-button:active {
    transform: translateY(0);
}

.auth-form-button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.auth-form-error {
    background: rgba(244, 67, 54, 0.1);
    border: 1px solid var(--error-color, #f44336);
    color: var(--error-color, #f44336);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    display: none;
}

.auth-form-error.active {
    display: block;
}

.auth-form-success {
    background: rgba(76, 175, 80, 0.1);
    border: 1px solid var(--success-color, #4caf50);
    color: var(--success-color, #4caf50);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
    display: none;
}

.auth-form-success.active {
    display: block;
}

.auth-divider {
    text-align: center;
    margin: 24px 0;
    color: var(--text-secondary, #9e9e9e);
    font-size: 13px;
    position: relative;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 40%;
    height: 1px;
    background: var(--border-color, #333);
}

.auth-divider::before {
    left: 0;
}

.auth-divider::after {
    right: 0;
}

.auth-guest-button {
    width: 100%;
    padding: 12px 24px;
    background: var(--section-bg, #252525);
    border: 1px solid var(--border-color, #333);
    border-radius: 10px;
    color: var(--text-color, #e0e0e0);
    font-size: 15px;
    cursor: pointer;
    transition: all 0.2s;
}

.auth-guest-button:hover {
    border-color: var(--primary-color, #7c4dff);
    background: rgba(124, 77, 255, 0.1);
}

/* User Menu Dropdown */
.user-menu-dropdown {
    position: relative;
    margin-left: 16px;
}

.user-menu-button {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 16px;
    background: var(--section-bg, #252525);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    color: var(--text-color, #e0e0e0);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

.user-menu-button:hover {
    border-color: var(--primary-color, #7c4dff);
    background: rgba(124, 77, 255, 0.1);
}

.user-menu-avatar {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color, #7c4dff), var(--primary-hover, #9370ff));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
}

.user-menu-content {
    position: absolute;
    right: 0;
    top: calc(100% + 8px);
    background: var(--card-bg, #1e1e1e);
    border: 1px solid var(--border-color, #333);
    border-radius: 12px;
    min-width: 220px;
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.4);
    display: none;
    z-index: 1000;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.user-menu-content.active {
    display: block;
}

.user-menu-header {
    padding: 16px;
    border-bottom: 1px solid var(--border-color, #333);
}

.user-menu-email {
    font-size: 12px;
    color: var(--text-secondary, #9e9e9e);
    margin-top: 4px;
}

.user-menu-items {
    padding: 8px;
}

.user-menu-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-color, #e0e0e0);
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.2s;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
}

.user-menu-item:hover {
    background: var(--section-bg, #252525);
}

.user-menu-item.danger {
    color: var(--error-color, #f44336);
}

.user-menu-item.danger:hover {
    background: rgba(244, 67, 54, 0.1);
}

.user-menu-divider {
    height: 1px;
    background: var(--border-color, #333);
    margin: 8px 0;
}

/* Auth Buttons (for anonymous users) */
.auth-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-left: 16px;
}

.auth-button-guest {
    padding: 8px 16px;
    background: var(--section-bg, #252525);
    border: 1px solid var(--border-color, #333);
    border-radius: 8px;
    color: var(--text-secondary, #9e9e9e);
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.auth-button-guest:hover {
    color: var(--text-color, #e0e0e0);
    border-color: var(--border-color, #555);
}

.auth-button-login {
    padding: 8px 20px;
    background: linear-gradient(135deg, var(--primary-color, #7c4dff), var(--primary-hover, #9370ff));
    border: none;
    border-radius: 8px;
    color: white;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    white-space: nowrap;
}

.auth-button-login:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(124, 77, 255, 0.4);
}

/* Responsive */
@media (max-width: 768px) {
    .auth-modal-content {
        width: 95%;
        padding: 30px 24px;
    }

    .auth-buttons {
        flex-direction: column;
        width: 100%;
    }

    .auth-button-guest,
    .auth-button-login {
        width: 100%;
    }

    .user-menu-dropdown {
        margin-left: 0;
        margin-top: 12px;
    }
}