:root {
    --primary: #233F7E;
    --primary-hover: #1D356A;
    --accent: #F99A12;
    --background: #F3F6FA;
    --text: #1F2937;
    --muted: #6B7280;
    --border: #D1D5DB;
    --white: #FFFFFF;
    --danger: #DC2626;
}

body {
    margin: 0;
    background: var(--background);
    font-family: Arial, sans-serif;
}

.login-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.login-card {
    width: 100%;
    max-width: 380px;
    background: var(--white);
    padding: 32px;
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(11, 31, 58, 0.12);
}

.login-logo {
    max-width: 210px;
    width: 100%;
}

.form-label {
    font-size: 14px;
    color: var(--text);
    margin-bottom: 6px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    height: 46px;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 10px 12px;
    font-size: 14px;
    color: var(--text);
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(35, 63, 126, 0.12);
    outline: none;
}

.form-control::placeholder {
    color: #9CA3AF;
}

.is-invalid {
    border-color: var(--danger) !important;
}

.invalid-feedback {
    font-size: 13px;
    color: var(--danger);
    margin-top: 5px;
}

.btn-login {
    width: 100%;
    height: 46px;
    border: none;
    border-radius: 6px;
    background: var(--primary);
    color: var(--white);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
}

.btn-login:hover {
    background: var(--primary-hover);
}

.btn-login:disabled {
    opacity: 0.75;
    cursor: not-allowed;
}

.forgot-password {
    text-align: left;
    margin-top: 18px;
}

.forgot-password a {
    color: var(--muted);
    font-size: 14px;
    text-decoration: none;
}

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

.btn-pulse {
    animation: pulse 1.3s infinite;
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(35, 63, 126, 0.3);
    }

    70% {
        box-shadow: 0 0 0 10px rgba(35, 63, 126, 0);
    }

    100% {
        box-shadow: 0 0 0 0 rgba(35, 63, 126, 0);
    }
}