/* Auth Page Styles */
.auth-page {
    background: var(--bg-primary);
    min-height: 100vh;
    position: relative;
    overflow: hidden;
    overflow-y: auto;
    padding-top: 60px;
}

.auth-page::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 20%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
    pointer-events: none;
    animation: backgroundShift 15s ease-in-out infinite;
}

@keyframes backgroundShift {
    0%, 100% { 
        background: radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.1) 0%, transparent 50%),
                    radial-gradient(circle at 80% 20%, rgba(147, 51, 234, 0.1) 0%, transparent 50%);
    }
    50% { 
        background: radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 60%),
                    radial-gradient(circle at 20% 80%, rgba(147, 51, 234, 0.15) 0%, transparent 60%);
    }
}

/* Auth Topbar */
.auth-topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
}

.auth-topbar-container {
    height: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-topbar-right {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Auth Container */
.auth-container {
    width: 100%;
    max-width: 450px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    padding: var(--space-md);
    min-height: calc(100vh - 60px);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    background: var(--bg-secondary);
    border-radius: 16px 16px 0 0;
    border: 1px solid var(--border-color);
    border-bottom: none;
    overflow: hidden;
}

.auth-tab {
    flex: 1;
    padding: var(--space-sm) var(--space-md);
    background: transparent;
    border: none;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: var(--transition);
    font-weight: 500;
    position: relative;
}

.auth-tab.active {
    background: var(--bg-primary);
    color: var(--color-primary);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-primary);
}

.auth-tab:hover:not(.active) {
    background: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
}

/* Auth Card */
.auth-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 0px 0px 16px 16px;
    box-shadow: var(--shadow);
    overflow: hidden;
    position: relative;
    backdrop-filter: blur(10px);
}

/* Auth Header */
.auth-header {
    padding: var(--space-lg) var(--space-lg) var(--space-md);
    text-align: center;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
}

.auth-logo {
    margin-bottom: var(--space-md);
}

.auth-logo .logo {
    font-size: 28px;
    justify-content: center;
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 8px;
}

.auth-subtitle {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin: 0;
}

/* Auth Form */
.auth-form {
    padding: var(--space-lg) var(--space-lg) var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.input-group label {
    color: var(--color-text);
    font-weight: 500;
    font-size: 0.9rem;
}

.input-group input {
    padding: 14px var(--space-sm);
    background: var(--bg-primary);
    border: 2px solid var(--color-primary);
    border-radius: 12px;
    color: var(--color-text);
    transition: var(--transition);
    font-size: 1rem;
    box-shadow: 0 0 0 0 rgba(37, 99, 235, 0.1);
}

.input-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
    background: var(--bg-secondary);
}

.input-group input::placeholder {
    color: var(--color-text-secondary);
}

/* Auth Links */
.auth-links {
    display: flex;
    justify-content: flex-end;
    margin: 8px 0;
}

.forgot-password-link {
    color: var(--color-primary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
    font-family: inherit;
}

.forgot-password-link:hover {
    color: var(--color-primary);
    text-decoration: underline;
}

/* Checkbox Group */
.checkbox-group {
    margin: var(--space-sm) 0;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.9rem;
    line-height: 1.5;
    color: var(--color-text-secondary);
}

.checkbox-label input[type="checkbox"] {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-radius: 4px;
    background: var(--bg-primary);
    position: relative;
    transition: var(--transition);
    flex-shrink: 0;
    margin-top: 2px;
}

.checkbox-label input[type="checkbox"]:checked + .checkmark {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.terms-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    margin-left: 4px;
}

.terms-link:hover {
    text-decoration: underline;
}

/* Button Styles */
.auth-form .btn-primary {
    margin-top: var(--space-sm);
    padding: 14px;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-radius);
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-topbar-container {
        padding: 0 var(--space-sm);
    }
    
    .auth-container {
        padding: var(--space-sm);
        min-height: calc(100vh - 60px);
    }
    
    .auth-header {
        padding: var(--space-md);
    }
    
    .auth-form {
        padding: var(--space-md);
    }
    
    .auth-title {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .auth-container {
        padding: var(--space-xs);
        min-height: calc(100vh - 60px);
    }
    
    .auth-tabs {
        border-radius: 0;
    }
    
    .auth-card {
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
    
    .auth-tab {
        padding: 12px var(--space-sm);
        font-size: 0.9rem;
    }
    
    .auth-header {
        padding: var(--space-sm);
    }
    
    .auth-form {
        padding: var(--space-sm);
    }
    
    .auth-logo .logo {
        font-size: 24px;
    }
}

/* Google Sign In Button */
.google-signin-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 12px 24px;
    background: #fff;
    color: #3c4043;
    border: 1px solid #dadce0;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 10px;
    cursor: pointer;
}

.google-signin-btn:hover {
    background: #f8f9fa;
    border-color: #c6c9cc;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.google-signin-btn svg {
    flex-shrink: 0;
}

.social-signin-divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 20px 0 10px;
    color: var(--text-secondary);
    font-size: 14px;
}

.social-signin-divider::before,
.social-signin-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-color);
}

[dir="rtl"] .google-signin-btn {
    flex-direction: row-reverse;
}

body.dark-mode .google-signin-btn {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-color);
}

body.dark-mode .google-signin-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-hover);
}