/**
 * Authentication UI styles for Naksha
 * Uses design-system.css tokens
 */

/* Auth Screen (full page overlay) */
.auth-screen {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-tertiary) 100%);
    z-index: var(--z-modal);
    justify-content: center;
    align-items: center;
    padding: var(--space-lg);
}

.auth-container {
    max-width: 450px;
    width: 100%;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.logo-auth {
    width: 80px;
    height: 80px;
    margin-bottom: var(--space-lg);
}

.auth-card {
    background: rgba(26, 31, 58, 0.95);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-primary-border);
}

.auth-card h2 {
    color: var(--color-primary);
    font-size: var(--text-xl);
    margin-bottom: var(--space-sm);
    text-align: center;
}

.auth-description {
    color: var(--text-muted);
    text-align: center;
    margin-bottom: var(--space-xl);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
}

/* Invite Banner */
.invite-banner {
    background: var(--color-primary-muted);
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    text-align: center;
}

.invite-banner p {
    margin: var(--space-xs) 0;
    color: var(--text-secondary);
    font-size: var(--text-sm);
}

.invite-banner strong {
    color: var(--color-primary);
}

/* Google Sign-In Button */
.google-signin-btn {
    width: 100%;
    background: white;
    color: #3c4043;
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-lg);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    min-height: 48px;
}

.google-signin-btn:hover {
    background: #f8f9fa;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.google-signin-btn:active {
    transform: translateY(0);
}

.google-signin-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.google-icon {
    width: 20px;
    height: 20px;
}

/* Privacy Notice */
.privacy-notice {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: var(--text-xs);
    line-height: 1.5;
    color: var(--text-disabled);
}

.privacy-notice a {
    color: var(--color-primary);
    text-decoration: none;
}

.privacy-notice a:hover {
    text-decoration: underline;
}

.privacy-notice a:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Error Message */
#authError {
    display: none;
    background: var(--color-error-muted);
    border: 1px solid var(--color-error-border);
    color: var(--color-error);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--space-lg);
    text-align: center;
    font-size: var(--text-sm);
}

/* User Header (top right) */
.user-header {
    display: none;
    align-items: center;
    gap: var(--space-md);
}

.user-menu {
    position: relative;
}

.user-avatar {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--color-primary);
    transition: transform var(--transition-fast);
    object-fit: cover;
    display: block;
    background: var(--color-primary-muted);
}

.user-avatar:hover {
    transform: scale(1.1);
}

.user-avatar:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

.user-dropdown {
    display: none;
    position: absolute;
    top: 52px;
    right: 0;
    background: rgba(26, 31, 58, 0.98);
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    min-width: 250px;
    box-shadow: var(--shadow-lg);
    z-index: var(--z-toast);
}

.user-dropdown.show {
    display: block;
}

.user-info {
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-primary-border);
    margin-bottom: var(--space-sm);
}

.user-name {
    color: var(--color-primary);
    font-weight: var(--font-semibold);
    font-size: var(--text-base);
    margin-bottom: var(--space-xs);
}

.user-email {
    color: var(--text-muted);
    font-size: var(--text-sm);
}

.dropdown-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.dropdown-item {
    padding: var(--space-md);
    cursor: pointer;
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    transition: background var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    min-height: 44px;
}

.dropdown-item:hover {
    background: var(--color-primary-muted);
}

.dropdown-item:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: -2px;
}

.dropdown-item i {
    width: 16px;
}

.dropdown-divider {
    height: 1px;
    background: rgba(255, 255, 255, 0.1);
    margin: var(--space-sm) 0;
    list-style: none;
}

.dropdown-item-danger {
    color: #ff6666;
}

.dropdown-item-danger:hover {
    background: rgba(255, 68, 68, 0.15);
    color: #ff4444;
}

/* Invite Modal - Uses design system .modal classes but keeping specifics */
.invite-link-container {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

#inviteLink {
    flex: 1;
    padding: var(--space-md);
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--color-primary-border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: var(--text-sm);
    font-family: monospace;
    min-height: 44px;
}

/* Override btn styles for auth-specific use */
.auth-card .btn,
.modal .btn {
    min-height: 44px;
}

/* Responsive Design */
@media (max-width: 600px) {
    .auth-card {
        padding: var(--space-xl) var(--space-lg);
    }

    .modal {
        padding: var(--space-lg);
    }

    .invite-link-container {
        flex-direction: column;
    }
}

/* Mobile: Dropdown opens from left (avatar is top-left) */
@media (max-width: 480px) {
    .user-dropdown {
        right: auto;
        left: 0;
    }
}