:root {
    --navy: #122560;
    --navy-dark: #274185;
    --gold: #86754d;
    --bg: #f2f3f7;
    --border: #dadde2;
    --text: #333;
    --text-muted: #7d7e87;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: 'Montserrat', Arial, sans-serif;
    font-weight: 300;
    color: var(--text);
    background: var(--bg);
}

header.site-header {
    background: var(--navy);
    padding: 16px 32px;
    display: flex;
    align-items: center;
}

header.site-header img.logo {
    height: 40px;
    filter: brightness(0) invert(1);
}

main {
    max-width: 720px;
    margin: 40px auto;
    padding: 0 24px;
}

h1 {
    color: var(--navy);
    font-weight: 400;
}

.card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 24px;
}

label {
    display: block;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-muted);
}

input {
    display: block;
    width: 100%;
    padding: 10px;
    margin-top: 4px;
    border: 1px solid var(--border);
    border-radius: 3px;
    font-family: inherit;
}

button, .btn {
    background: var(--gold);
    color: #fff;
    border: none;
    padding: 10px 20px;
    border-radius: 3px;
    font-family: inherit;
    font-weight: 400;
    letter-spacing: 0.03em;
    cursor: pointer;
}

button:hover, .btn:hover {
    background: var(--navy);
}

.error {
    color: #b00020;
}

ul.ship-list {
    list-style: none;
    padding: 0;
}

ul.ship-list li {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 3px;
    padding: 14px 18px;
    margin-bottom: 8px;
}