/* UTKLOGIN - Login Page Styles */
:root {
    --UTKLOGIN-primary: #1976d2;
    --UTKLOGIN-primary-dark: #0d47a1;
    --UTKLOGIN-primary-light: #bbdefb;
    --UTKLOGIN-text-primary: #212121;
    --UTKLOGIN-text-secondary: #757575;
    --UTKLOGIN-divider: #e0e0e0;
    --UTKLOGIN-background: #f5f7fa;
    --UTKLOGIN-card-bg: #ffffff;
    --UTKLOGIN-error: #f44336;
    --UTKLOGIN-success: #4caf50;
    --UTKLOGIN-warning: #ff9800;
}

.UTKLOGIN-body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #1e88e5 0%, #0d47a1 100%);
    margin: 0;
    padding: 20px;
    color: var(--UTKLOGIN-text-primary);
    line-height: 1.6;
}

.UTKLOGIN-container {
    width: 100%;
    max-width: 440px;
    margin: 0 auto;
    background: var(--UTKLOGIN-card-bg);
    border-radius: 16px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
    overflow: hidden;
}

.UTKLOGIN-header {
    background: linear-gradient(to right, var(--UTKLOGIN-primary), var(--UTKLOGIN-primary-dark));
    padding: 30px 20px;
    text-align: center;
    color: white;
}

.UTKLOGIN-logo-container {
    margin-bottom: 15px;
}

.UTKLOGIN-logo {
    height: 73px;
    width: auto;
    filter: drop-shadow(0 2px 5px rgba(0, 0, 0, 0.2));
}

.UTKLOGIN-system-title {
    font-weight: 700;
    font-size: 1.5rem;
    margin-top: 10px;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.UTKLOGIN-system-subtitle {
    font-size: 0.9rem;
    opacity: 0.9;
    margin-top: 5px;
    font-weight: 400;
}

.UTKLOGIN-body-content {
    padding: 30px;
}

.UTKLOGIN-form-group {
    margin-bottom: 1.5rem;
}

.UTKLOGIN-form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--UTKLOGIN-text-primary);
    font-size: 0.95rem;
}

.UTKLOGIN-input-group {
    position: relative;
}

.UTKLOGIN-form-control {
    width: 100%;
    padding: 14px 16px;
    border: 2px solid var(--UTKLOGIN-divider);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background-color: var(--UTKLOGIN-card-bg);
    color: var(--UTKLOGIN-text-primary);
    font-weight: 400;
}

.UTKLOGIN-form-control:focus {
    outline: none;
    border-color: var(--UTKLOGIN-primary);
    box-shadow: 0 0 0 3px rgba(25, 118, 210, 0.15);
}

.UTKLOGIN-form-control:hover {
    border-color: #bdbdbd;
}

.UTKLOGIN-input-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--UTKLOGIN-text-secondary);
    z-index: 2;
}

.UTKLOGIN-input-with-icon {
    padding-left: 48px;
}

.UTKLOGIN-password-toggle {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: var(--UTKLOGIN-text-secondary);
    z-index: 2;
    background: none;
    border: none;
    padding: 0;
}

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

.UTKLOGIN-form-text {
    margin-top: 6px;
    font-size: 0.85rem;
    color: var(--UTKLOGIN-text-secondary);
    display: block;
}

.UTKLOGIN-btn-login {
    width: 100%;
    padding: 14px;
    background: linear-gradient(to right, var(--UTKLOGIN-primary), var(--UTKLOGIN-primary-dark));
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.3px;
    transition: all 0.3s ease;
    box-shadow: 0 4px 12px rgba(25, 118, 210, 0.25);
    cursor: pointer;
}

.UTKLOGIN-btn-login:hover {
    background: linear-gradient(to right, #1565c0, #0b3d91);
    box-shadow: 0 6px 16px rgba(25, 118, 210, 0.35);
    transform: translateY(-2px);
}

.UTKLOGIN-alert {
    border-radius: 10px;
    border: none;
    padding: 14px 16px;
    margin-bottom: 24px;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
    font-weight: 500;
}

.UTKLOGIN-alert-danger {
    background-color: rgba(244, 67, 54, 0.1);
    color: var(--UTKLOGIN-error);
    border-left: 4px solid var(--UTKLOGIN-error);
}

.UTKLOGIN-btn-close {
    padding: 0.75rem;
}

.UTKLOGIN-copyright {
    text-align: center;
    margin-top: 28px;
    color: var(--UTKLOGIN-text-secondary);
    font-size: 0.85rem;
}

.UTKLOGIN-captcha-container {
    display: flex;
    align-items: center;
    gap: 10px;
}

.UTKLOGIN-captcha-code {
    font-family: 'Courier New', monospace;
    font-size: 1.5rem;
    font-weight: bold;
    padding: 8px 12px;
    background-color: #f0f0f0;
    border-radius: 5px;
    letter-spacing: 3px;
    user-select: none;
}

.UTKLOGIN-captcha-refresh {
    background: none;
    border: none;
    color: var(--UTKLOGIN-primary);
    cursor: pointer;
    font-size: 1.2rem;
    padding: 5px;
}

.UTKLOGIN-captcha-refresh:hover {
    color: var(--UTKLOGIN-primary-dark);
}

/* Responsive adjustments */
@media (max-width: 576px) {
    .UTKLOGIN-container {
        border-radius: 12px;
    }
    
    .UTKLOGIN-header {
        padding: 24px 20px;
    }
    
    .UTKLOGIN-body-content {
        padding: 24px;
    }
    
    .UTKLOGIN-system-title {
        font-size: 1.4rem;
    }
    
    .UTKLOGIN-captcha-container {
        flex-direction: column;
        align-items: stretch;
    }
    
    .UTKLOGIN-captcha-code {
        text-align: center;
    }
}