/* Supabase Authentication Styles */

/* Authentication Tabs */
.auth-tabs {
    display: flex;
    margin-bottom: var(--space-6);
    border-bottom: 1px solid var(--border);
}

.tab-btn {
    flex: 1;
    padding: var(--space-3) var(--space-4);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--text-muted);
    transition: all var(--transition-base);
    font-weight: 500;
}

.tab-btn:hover {
    color: var(--primary);
    background-color: var(--bg);
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

/* Authentication Sections */
.auth-section {
    display: none;
}

.auth-section.active {
    display: block;
}

.auth-form h3 {
    color: #333;
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

.auth-links {
    margin-top: 1rem;
    text-align: center;
}

.auth-links a {
    color: var(--primary);
    text-decoration: none;
    font-size: 0.875rem;
    margin: 0 var(--space-2);
    transition: color var(--transition-base);
    font-weight: 500;
}

.auth-links a:hover {
    color: var(--primary-2);
    text-decoration: underline;
}

/* Phone Authentication Links - More Prominent */
.auth-links-phone {
    margin-top: 0.5rem;
    margin-bottom: 0.5rem;
}

.auth-links-phone .phone-auth-link {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    background: var(--primary-gradient);
    color: white !important;
    border-radius: var(--radius-md);
    font-weight: 500;
    font-size: 0.9375rem;
    margin: 0;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

.auth-links-phone .phone-auth-link:hover {
    color: white !important;
    text-decoration: none !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.auth-links-phone .phone-auth-link i {
    font-size: 1rem;
}

/* Divider between email and phone auth */
.auth-divider {
    display: flex;
    align-items: center;
    text-align: center;
    margin: 1.5rem 0 1rem 0;
    color: #6c757d;
    font-size: 0.85rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid #dee2e6;
}

.auth-divider span {
    padding: 0 1rem;
    background: white;
    font-weight: 500;
}

/* Supabase Form Styles */
.supabase-form-group {
    position: relative;
    margin-bottom: var(--space-5);
    text-align: left;
}

.supabase-form-group label {
    display: block;
    margin-bottom: var(--space-2);
    font-weight: 500;
    color: var(--text);
    font-size: 0.875rem;
    letter-spacing: -0.01em;
}

.supabase-form-group input {
    width: 100%;
    padding: var(--space-3) 2.5rem var(--space-3) var(--space-4);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-family: var(--font-family);
    color: var(--text);
    background: var(--surface);
    transition: border-color var(--transition-base), box-shadow var(--transition-base);
}

.supabase-form-group input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: var(--focus-ring);
}

.supabase-form-group i {
    position: absolute;
    right: var(--space-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* Supabase Button Styles */
.supabase-btn {
    width: 100%;
    padding: var(--space-3) var(--space-4);
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    font-family: var(--font-family);
    letter-spacing: -0.01em;
    box-shadow: var(--shadow-sm);
}

.supabase-btn:hover:not(:disabled) {
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.supabase-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.supabase-btn i {
    font-size: 0.9rem;
}

/* Supabase Error/Success Messages */
.supabase-error-message {
    color: var(--error);
    font-size: 0.875rem;
    margin-top: var(--space-4);
    min-height: 1.2rem;
    text-align: center;
    line-height: 1.5;
}

.supabase-success-message {
    color: var(--success);
    font-size: 0.875rem;
    margin-top: var(--space-4);
    min-height: 1.2rem;
    text-align: center;
    line-height: 1.5;
}

/* Supabase Form Validation - Subtle border only, no background fill */
.supabase-form-group input:invalid:not(:focus) {
    border-color: var(--error);
}

.supabase-form-group input:valid:not(:focus) {
    border-color: var(--success);
}

/* Supabase Loading States */
.supabase-loading {
    opacity: 0.7;
    pointer-events: none;
}

.supabase-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Supabase Responsive Design */
@media (max-width: 768px) {
    .auth-tabs {
        flex-direction: column;
    }
    
    .tab-btn {
        border-bottom: none;
        border-right: 2px solid transparent;
        text-align: center;
    }
    
    .tab-btn.active {
        border-bottom: none;
        border-right-color: #667eea;
    }
    
    .auth-links {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .auth-links a {
        margin: 0;
        display: block;
    }
    
    .auth-links-phone .phone-auth-link {
        width: 100%;
        justify-content: center;
        padding: 0.875rem 1.25rem;
    }
    
    .auth-divider {
        margin: 1.25rem 0 0.875rem 0;
    }
}

/* Supabase Dark Mode Support */
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0f172a;
        --surface: #1e293b;
        --text: #f1f5f9;
        --text-muted: #cbd5e1;
        --text-subtle: #64748b;
        --border: rgba(241, 245, 249, 0.1);
        --border-strong: rgba(241, 245, 249, 0.15);
    }
    
    .auth-form h3 {
        color: var(--text);
    }
    
    .supabase-form-group label {
        color: var(--text);
    }
    
    .supabase-form-group input {
        background-color: var(--surface);
        border-color: var(--border-strong);
        color: var(--text);
    }
    
    .supabase-form-group input:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    }
    
    .supabase-form-group i {
        color: var(--text-muted);
    }
    
    .tab-btn {
        color: var(--text-muted);
    }
    
    .tab-btn:hover {
        background-color: var(--surface);
    }
    
    .tab-btn.active {
        color: var(--primary);
    }
}