* { box-sizing: border-box; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: #f4f5f7;
    margin: 0;
    padding: 40px 20px;
    color: #1f2328;
}

.auth-box, .dashboard-box {
    max-width: 420px;
    margin: 0 auto;
    background: #fff;
    padding: 32px;
    border-radius: 10px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

.dashboard-box { max-width: 640px; }

h1 { margin-top: 0; font-size: 1.5rem; }

label {
    display: block;
    margin: 14px 0 6px;
    font-weight: 600;
    font-size: 0.9rem;
}

input[type="text"], input[type="email"], input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #d0d7de;
    border-radius: 6px;
    font-size: 1rem;
}

input:focus { outline: none; border-color: #0969da; }

small { color: #57606a; font-size: 0.8rem; }

button {
    width: 100%;
    margin-top: 22px;
    padding: 11px;
    background: #0969da;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
}

button:hover { background: #0757ba; }

.alert {
    padding: 10px 14px;
    border-radius: 6px;
    margin-bottom: 14px;
    font-size: 0.9rem;
}

.alert-error   { background: #ffebe9; color: #c00; border: 1px solid #ffb3ac; }
.alert-success { background: #dafbe1; color: #116329; border: 1px solid #8fdba0; }

p { font-size: 0.9rem; }
a { color: #0969da; }

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.btn-logout {
    background: #f4f5f7;
    padding: 8px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.85rem;
    border: 1px solid #d0d7de;
}

.card {
    background: #f6f8fa;
    padding: 18px 20px;
    border-radius: 8px;
    margin-bottom: 16px;
}

.card h2 { margin-top: 0; font-size: 1.1rem; }
.card p { margin: 8px 0; }

code {
    background: #eef1f4;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.9em;
}

.ref-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.ref-table th, .ref-table td {
    text-align: left;
    padding: 8px 6px;
    border-bottom: 1px solid #e3e6ea;
}

.ref-table th { color: #57606a; font-weight: 600; }