* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: #f4f5f7;
    color: #1f2933;
}

.header {
    background: #10233f;
    color: #fff;
    padding: 18px 28px;
}

.header a {
    color: #fff;
    text-decoration: none;
    margin-left: 18px;
}

.container {
    max-width: 1100px;
    margin: 32px auto;
    padding: 0 20px;
}

.card {
    background: #fff;
    border-radius: 14px;
    padding: 24px;
    box-shadow: 0 8px 28px rgba(16, 35, 63, 0.08);
    margin-bottom: 20px;
}

.login-card {
    max-width: 430px;
    margin: 70px auto;
}

h1, h2 {
    margin-top: 0;
}

label {
    display: block;
    font-weight: 650;
    margin: 14px 0 6px;
}

input, textarea, select {
    width: 100%;
    border: 1px solid #cdd5df;
    border-radius: 10px;
    padding: 11px 12px;
    font: inherit;
}

textarea {
    min-height: 90px;
}

button, .button {
    display: inline-block;
    border: none;
    border-radius: 10px;
    background: #10233f;
    color: #fff;
    padding: 10px 15px;
    font-weight: 650;
    text-decoration: none;
    cursor: pointer;
}

.button.secondary {
    background: #64748b;
}

.button.danger {
    background: #b42318;
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table th, .table td {
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
    padding: 12px 8px;
    vertical-align: top;
}

.notice {
    padding: 12px 14px;
    border-radius: 10px;
    background: #eef6ff;
    border: 1px solid #bfdbfe;
    margin-bottom: 18px;
}

.error {
    padding: 12px 14px;
    border-radius: 10px;
    background: #fff1f2;
    border: 1px solid #fecdd3;
    margin-bottom: 18px;
}

.meta {
    color: #64748b;
    font-size: 0.92rem;
}

.actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.nav {
    float: right;
}

.badge {
    display: inline-block;
    border-radius: 999px;
    padding: 3px 9px;
    background: #e2e8f0;
    font-size: 0.82rem;
}