:root {
    --primary: #0E2238;
    --primary-dark: #145D8B;
    --secondary: #145D8A;
    --text-dark: #212529;
    --text-light: #6c757d;
    --success: #2ecc71;
    --white: #ffffff;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
    --shadow-strong: 0 10px 25px rgba(0, 0, 0, 0.12);
}

body {
    font-family: 'Inter', sans-serif;
    background: linear-gradient(135deg, #145D8B, #0E2238);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.card {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-strong);
    transition: transform 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
}

.bg-login-image {
    background-size: cover;
    background-position: center;
    min-height: 100%;
    position: relative;
}

.bg-login-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.brand-logo {
    font-weight: 700;
    color: #145D8B;
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.welcome-text {
    font-weight: 700;
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    color: var(--text-dark);
}

.form-control {
    padding: 0.75rem 1.25rem;
    border-radius: 10px;
    border: 1px solid #e0e0e0;
    font-size: 0.95rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.15);
}

.btn-primary {
    background-color: var(--primary);
    border-color: var(--primary);
    border-radius: 10px;
    padding: 0.75rem 1.25rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.2);
}

.form-check-input:checked {
    background-color: var(--primary);
    border-color: var(--primary);
}

.form-label {
    font-weight: 500;
    margin-bottom: 0.5rem;
    color: var(--text-dark);
}

.forgot-password {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

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

.login-footer {
    margin-top: 2rem;
    text-align: center;
    color: var(--text-light);
}

.login-footer a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
}

.login-footer a:hover {
    text-decoration: underline;
}

.input-group-text {
    background-color: transparent;
    border-left: none;
    cursor: pointer;
}

.input-group .form-control {
    border-right: none;
}