:root {
    --border: #d8dde3;
    --bg: #f6f7f9;
    --text: #1f2933;
    --muted: #6b7784;
    --accent: #2c5282;
    --accent-hover: #1a365d;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Segoe UI", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
}

header.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1.5rem;
    background: #fff;
    border-bottom: 1px solid var(--border);
}

header.app-header h1 {
    font-size: 1.15rem;
    margin: 0;
}

main {
    padding: 1.5rem;
}

form.filter {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: end;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1rem;
    margin-bottom: 1.25rem;
}

form.filter label {
    display: flex;
    flex-direction: column;
    font-size: 0.8rem;
    color: var(--muted);
    gap: 0.25rem;
}

input[type="text"],
input[type="password"] {
    padding: 0.4rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-size: 0.95rem;
}

button, .button, input[type="submit"] {
    padding: 0.45rem 0.9rem;
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    text-decoration: none;
    display: inline-block;
}

button:hover, .button:hover, input[type="submit"]:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

.button.secondary {
    background: #fff;
    color: var(--accent);
}

.table-scroll {
    overflow-x: auto;
    border: 1px solid var(--border);
    background: #fff;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
}

th, td {
    padding: 0.5rem 0.6rem;
    border-bottom: 1px solid var(--border);
    text-align: left;
    font-size: 0.9rem;
    white-space: nowrap;
}

th {
    background: #eef1f4;
    color: var(--muted);
    font-weight: 600;
}

tr:hover td {
    background: #fafbfc;
}

.pagination {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 1rem;
}

.detail-grid {
    display: grid;
    grid-template-columns: max-content 1fr;
    gap: 0.4rem 1.5rem;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.25rem;
    max-width: 900px;
}

.detail-grid dt {
    color: var(--muted);
    font-size: 0.85rem;
}

.detail-grid dd {
    margin: 0;
    word-break: break-word;
}

.actions {
    margin: 1.25rem 0;
    display: flex;
    gap: 0.75rem;
}

.login-box {
    max-width: 340px;
    margin: 4rem auto;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 1.5rem;
}

.login-box h1 {
    font-size: 1.1rem;
    margin-top: 0;
}

.login-box label {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
}

.error {
    color: #9b2c2c;
    font-size: 0.9rem;
}

.notice {
    color: #2f855a;
    font-size: 0.9rem;
}

.muted {
    color: var(--muted);
}