* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
    background: #0f172a;
    color: #f8fafc;
    font-size: 18px;
    line-height: 1.6;
    min-height: 100vh;
}

header {
    background: #020617;
    padding: 20px;
    border-bottom: 3px solid #38bdf8;
}

main {
    max-width: 900px;
    margin: 0 auto;
    padding: 24px;
}

h1,h2,h3 {
    color: #ffffff;
}

a {
    color: #7dd3fc;
    font-weight: bold;
}

a:focus,
button:focus,
input:focus,
select:focus,
textarea:focus {
    outline: 4px solid #facc15;
    outline-offset: 3px;
}

.card {
    background: #1e293b;
    border: 1px solid #334155;
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: bold;
    margin-bottom: 6px;
}

input,
select,
textarea {
    width: 100%;
    max-width: 500px;
    padding: 12px;
    border-radius: 6px;
    border: 2px solid #64748b;
    background: #020617;
    color: #ffffff;
    font-size: 18px;
}

button,
.button {
    display: inline-block;
    background: #0284c7;
    color: #ffffff;
    border: 0;
    border-radius: 6px;
    padding: 12px 18px;
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    text-decoration: none;
}

button:hover,
.button:hover {
    background: #0369a1;
}

.alert {
    background: #7f1d1d;
    border: 2px solid #ef4444;
    color: #ffffff;
    padding: 12px;
    border-radius: 6px;
    font-weight: bold;
}

.status {
    background: #14532d;
    border: 2px solid #22c55e;
    color: #ffffff;
    padding: 12px;
    border-radius: 6px;
    font-weight: bold;
}

nav ul {
    padding-left: 22px;
}

.skip-link {
    position: absolute;
    left: -999px;
    top: 10px;
    background: #facc15;
    color: #000;
    padding: 10px;
    font-weight: bold;
    z-index: 1000;
}

.skip-link:focus {
    left: 10px;
}

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

.login-box {
    width: 100%;
    max-width: 500px;
}

.login-box h1,
.login-box h2,
.login-box p {
    text-align: center;
}

.login-box .card {
    margin-bottom: 0;
}