/* ===================================
   LOGIN PAGE
   =================================== */
.login-page-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f8fafc 0%, #ffffff 50%, #f1f5f9 100%);
}

.login-page-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    max-width: 1200px;
    width: 100%;
    min-height: 600px;
    background: var(--bg-card);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    margin: 2rem;
}

/* Left Side - Branding */
.login-left {
    background: var(--gradient-primary);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.login-left::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: pulse-glow 8s ease-in-out infinite;
}

.login-branding {
    position: relative;
    z-index: 10;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    margin-bottom: 3rem;
}

.logo-icon {
    width: 36px;
    height: 36px;
}

.brand-highlight {
    opacity: 0.9;
}

.login-heading {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    line-height: 1.2;
}

.heading-login,
.heading-register {
    display: none !important;
}

.login-left.show-login .heading-login {
    display: block !important;
}

.login-left.show-register .heading-register {
    display: block !important;
}

.login-subheading {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: 3rem;
    line-height: 1.6;
}

.subheading-login,
.subheading-register {
    display: none !important;
}

.login-left.show-login .subheading-login {
    display: block !important;
}

.login-left.show-register .subheading-register {
    display: block !important;
}

.login-features {
    display: none !important;
    flex-direction: column;
    gap: 1.25rem;
}

.login-left.show-register .login-features {
    display: flex !important;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-size: 1rem;
}

.feature-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

/* Right Side - Form */
.login-right {
    padding: 3rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
}

.login-form-wrapper {
    width: 100%;
    max-width: 400px;
}

/* Auth Tabs */
.auth-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: var(--bg-secondary);
    padding: 0.375rem;
    border-radius: 12px;
}

.auth-tab {
    flex: 1;
    padding: 0.75rem 1rem;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: var(--transition-base);
    font-family: inherit;
}

.auth-tab:hover {
    color: var(--text-secondary);
}

.auth-tab.active {
    background: var(--bg-card);
    color: var(--color-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Tab Content */
.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
    animation: fadeIn 0.3s ease;
}

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

.login-form-header {
    margin-bottom: 2rem;
}

.login-form-header h2 {
    font-size: 1.875rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.login-form-header p {
    font-size: 0.9375rem;
    color: var(--text-tertiary);
}

/* Alert */
.alert {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
}

.alert-error {
    background: rgba(220, 38, 38, 0.1);
    border: 1px solid rgba(220, 38, 38, 0.3);
    color: #dc2626;
}

.alert-success {
    background: rgba(5, 150, 105, 0.1);
    border: 1px solid rgba(5, 150, 105, 0.3);
    color: #059669;
}

.alert-icon {
    width: 20px;
    height: 20px;
    min-width: 20px;
}

/* Form */
.login-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.input-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-tertiary);
    pointer-events: none;
}

.form-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 12px;
    color: var(--text-primary);
    font-size: 0.9375rem;
    transition: var(--transition-base);
    font-family: inherit;
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: var(--bg-card);
    box-shadow: 0 0 0 4px rgba(37, 99, 235, 0.1);
}

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

.form-hint {
    display: block;
    margin-top: 0.375rem;
    font-size: 0.8125rem;
    color: var(--text-tertiary);
}

/* Login Button */
.btn-login {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    width: 100%;
    padding: 1rem;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 1rem;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--transition-base);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.3);
}

.btn-login:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(37, 99, 235, 0.4);
}

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

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

/* Divider */
.login-divider {
    position: relative;
    text-align: center;
    margin: 1.5rem 0;
}

.login-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-color);
}

.login-divider span {
    position: relative;
    background: var(--bg-card);
    padding: 0 1rem;
    color: var(--text-tertiary);
    font-size: 0.875rem;
}

/* Register Link */
.login-register {
    text-align: center;
}

.login-register p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1rem;
}

.btn-register {
    display: inline-block;
    width: 100%;
    padding: 0.875rem;
    background: var(--bg-secondary);
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 600;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    transition: var(--transition-base);
    text-align: center;
}

.btn-register:hover {
    background: var(--bg-tertiary);
    border-color: var(--color-primary);
}

/* Demo Info */
.demo-info {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(37, 99, 235, 0.05);
    border: 1px solid rgba(37, 99, 235, 0.2);
    border-radius: 12px;
}

.demo-info-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    color: var(--color-primary);
    font-weight: 600;
    font-size: 0.875rem;
}

.demo-icon {
    width: 18px;
    height: 18px;
}

.demo-credentials {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.demo-credentials p {
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin: 0;
}

.demo-credentials strong {
    color: var(--text-primary);
}

/* Back to Home */
.back-to-home {
    margin-top: 1.5rem;
    text-align: center;
}

.back-to-home a {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-tertiary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: var(--transition-base);
}

.back-to-home a:hover {
    color: var(--color-primary);
}

.back-to-home svg {
    width: 16px;
    height: 16px;
}

/* ===================================
   RESPONSIVE
   =================================== */
@media (max-width: 1024px) {
    .login-page-container {
        grid-template-columns: 1fr;
        margin: 1rem;
    }
    
    .login-left {
        padding: 2rem;
        min-height: 300px;
    }
    
    .login-heading {
        font-size: 2rem;
    }
    
    .login-right {
        padding: 2rem;
    }
}

@media (max-width: 768px) {
    .login-page-body {
        padding: 1rem;
    }
    
    .login-page-container {
        margin: 0;
    }
    
    .login-left {
        padding: 1.5rem;
        min-height: 250px;
    }
    
    .brand-logo {
        font-size: 1.25rem;
        margin-bottom: 2rem;
    }
    
    .login-heading {
        font-size: 1.75rem;
    }
    
    .login-subheading {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .login-right {
        padding: 1.5rem;
    }
}