/* ===================================
   Authentication Pages Styles
   Glassmorphism & Modern Design
   =================================== */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    position: relative;
    overflow: hidden;
}

.auth-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
}

.back-button {
    position: fixed;
    top: 24px;
    left: 24px;
    z-index: 100;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.9);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.back-button:hover {
    background: white;
    color: var(--color-primary);
    transform: translateX(-4px);
}

.auth-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    max-width: 1000px;
    width: 100%;
}

/* Glass Card */
.glass-card {
    background: rgba(255, 255, 255, 0.95);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.auth-logo {
    display: flex;
    justify-content: center;
    margin-bottom: 32px;
}

.auth-title {
    font-size: 32px;
    font-weight: 800;
    text-align: center;
    margin-bottom: 8px;
}

.auth-subtitle {
    font-size: 16px;
    color: var(--color-text-light);
    text-align: center;
    margin-bottom: 32px;
}

/* Form Styles */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.form-label {
    font-size: 14px;
    font-weight: 600;
    color: var(--color-text);
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.input-icon {
    position: absolute;
    left: 16px;
    color: var(--color-text-muted);
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: 14px 16px 14px 48px;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-family: inherit;
    transition: var(--transition);
    background: white;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-input::placeholder {
    color: var(--color-text-muted);
}

.password-toggle {
    position: absolute;
    right: 16px;
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    padding: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--color-primary);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: -8px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
}

.checkbox-input {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.checkbox-text {
    font-size: 14px;
    color: var(--color-text-light);
}

.forgot-link {
    font-size: 14px;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

.btn-full {
    width: 100%;
    justify-content: center;
}

.button-loader {
    display: inline-flex;
}

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

.spinner-circle {
    stroke-dasharray: 60;
    stroke-dashoffset: 45;
}

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

/* Error Message */
.error-message {
    padding: 12px 16px;
    background: #fee;
    border: 1px solid #fcc;
    border-radius: var(--radius-md);
    color: #c33;
    font-size: 14px;
    margin-bottom: 16px;
}

.success-message {
    padding: 12px 16px;
    background: #efe;
    border: 1px solid #cfc;
    border-radius: var(--radius-md);
    color: #3c3;
    font-size: 14px;
    margin-bottom: 16px;
}

/* Divider */
.divider {
    position: relative;
    text-align: center;
    margin: 24px 0;
}

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

.divider::before {
    left: 0;
}

.divider::after {
    right: 0;
}

.divider span {
    padding: 0 16px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--color-text-muted);
    font-size: 14px;
}

/* Social Login */
.social-login {
    display: flex;
    gap: 12px;
}

.social-button {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 12px 20px;
    background: white;
    border: 2px solid var(--color-border);
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    color: var(--color-text);
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}

.social-button:hover {
    border-color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

/* Auth Footer */
.auth-footer {
    text-align: center;
    font-size: 14px;
    color: var(--color-text-light);
    margin-top: 24px;
}

.auth-link {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
}

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

/* Info Card */
.info-card {
    background: rgba(255, 255, 255, 0.85);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: 48px;
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.18);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.info-title {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 16px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.info-text {
    font-size: 16px;
    color: var(--color-text-light);
    line-height: 1.6;
    margin-bottom: 24px;
}

.info-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.info-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--color-text);
}

.info-list svg {
    flex-shrink: 0;
    color: var(--color-primary);
    stroke-width: 2.5;
}

/* Responsive Design */
@media (max-width: 968px) {
    .auth-container {
        grid-template-columns: 1fr;
        max-width: 480px;
    }
    
    .info-card {
        display: none;
    }
}

@media (max-width: 640px) {
    .glass-card {
        padding: 32px 24px;
    }
    
    .auth-title {
        font-size: 28px;
    }
    
    .back-button {
        top: 16px;
        left: 16px;
    }
}

/* Loading State */
.btn-primary:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.btn-primary:disabled:hover {
    transform: none;
}