:root {
    --primary: #003399;
    --accent: #E30A17;
    --background: #F4F6F8;
    --text: #243247;
    --muted: #667085;
    --border: #DDE3EA;
}

* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    min-height: 100%;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--background);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* HEADER */

header {
    background: var(--primary);
    color: #fff;
    border-bottom: 4px solid var(--accent);
}

.header-inner {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.brand {
    font-size: 19px;
    font-weight: 700;
    line-height: 1.3;
}

.subtitle {
    font-size: 13px;
    margin-top: 4px;
    opacity: 0.9;
}

.language {
    font-size: 13px;
    flex-shrink: 0;
}

/* MAIN */

main {
    flex: 1;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 32px 16px;
}

/* LOGIN CARD */

.login-card {
    width: 100%;
    max-width: 420px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 32px;
    box-shadow: 0 6px 25px rgba(0,0,0,0.05);
}

.login-card h1 {
    color: var(--primary);
    text-align: center;
    margin: 0 0 12px;
    font-size: 25px;
}

.description {
    color: var(--muted);
    font-size: 14px;
    text-align: center;
    line-height: 1.6;
    margin: 0 0 28px;
}

.form-group {
    margin-bottom: 18px;
}

label {
    display: block;
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 8px;
}

input {
    width: 100%;
    padding: 13px;
    border: 1px solid var(--border);
    border-radius: 6px;
    font-size: 15px;
}

input:focus {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
}

.login-button {
    display: block;
    width: 100%;
    padding: 14px;
    border: 0;
    border-radius: 6px;
    background: var(--primary);
    color: #fff;
    font-size: 15px;
    font-weight: 700;
}

.login-button:disabled {
    opacity: 0.65;
    cursor: not-allowed;
}

.services {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 26px;
}

.service {
    background: #EDF2FA;
    color: var(--primary);
    padding: 9px 13px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
}

/* FOOTER */

footer {
    text-align: center;
    padding: 18px 16px;
    font-size: 12px;
    color: var(--muted);
}

/* MOBILE */

@media (max-width: 600px) {
    .header-inner {
        padding: 14px 16px;
    }

    .brand {
        font-size: 15px;
    }

    .subtitle {
        font-size: 12px;
    }

    main {
        padding: 20px 12px;
    }

    .login-card {
        padding: 26px 20px;
    }

    .login-card h1 {
        font-size: 22px;
    }
}