:root {
    --bg: #f6f3ed;
    --panel: #ffffff;
    --border: rgba(34, 56, 67, 0.14);
    --ink: #1f2a31;
    --muted: #5e6a72;
    --accent: #0f766e;
    --accent-2: #127baf;
    --danger: #a32020;
    --warn: #986200;
    --ok: #246d38;
    --shadow: 0 8px 24px rgba(0, 0, 0, 0.06);
}

* { box-sizing: border-box; }

html, body {
    margin: 0;
    padding: 0;
    font-family: "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;
    color: var(--ink);
    background: linear-gradient(180deg, #fbf9f4, var(--bg));
    min-height: 100vh;
}

a { color: var(--accent-2); text-decoration: none; }
a:hover { text-decoration: underline; }

.page {
    display: grid;
    grid-template-columns: 240px 1fr;
    min-height: 100vh;
}

.sidebar {
    background: #1f2a31;
    color: #d9e2e8;
    padding: 20px 14px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.brand {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 18px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 16px;
}

.brand-mark { font-size: 22px; }

.nav-section {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: #8aa0ac;
    margin: 14px 8px 6px;
}

.nav { display: flex; flex-direction: column; gap: 2px; flex: 1; }

.nav-link {
    display: block;
    padding: 8px 12px;
    border-radius: 8px;
    color: #d9e2e8;
    font-weight: 600;
    font-size: 14px;
}

.nav-link:hover { background: rgba(255,255,255,0.06); text-decoration: none; }
.nav-link.active { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; }

.logout-form { margin-top: 14px; }
.logout-form .btn { width: 100%; }

.content { padding: 24px 32px 60px; max-width: 1280px; }
.content-inner { display: grid; gap: 16px; }

h1 { margin: 0 0 4px; font-size: 28px; letter-spacing: -0.01em; }
h2 { margin: 0; font-size: 20px; }
h3 { margin: 0; font-size: 16px; }
h4 { margin: 12px 0 4px; font-size: 14px; color: var(--muted); }

.hint { color: var(--muted); margin: 0; font-size: 13px; }

.card {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 16px 18px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 10px;
}

.toolbar {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    align-items: center;
}

.toolbar label { display: flex; align-items: center; gap: 6px; font-size: 13px; color: var(--muted); }
.toolbar input, .toolbar select { padding: 6px 8px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; }
.toolbar .grow { flex: 1; }
.toolbar input.grow { width: 100%; }

button.btn, .btn {
    background: #fff;
    border: 1px solid var(--border);
    color: var(--ink);
    padding: 6px 14px;
    border-radius: 999px;
    font-weight: 700;
    cursor: pointer;
    font-size: 13px;
}

.btn:hover { background: #f3f5f7; }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border-color: transparent; }
.btn.primary:hover { filter: brightness(1.05); }
.btn.small { padding: 4px 10px; font-size: 12px; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

table.data { width: 100%; border-collapse: collapse; font-size: 13px; background: #fff; border-radius: 12px; overflow: hidden; }
table.data th, table.data td { padding: 8px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
table.data th { background: #f7f5ef; color: var(--muted); font-size: 12px; font-weight: 700; }
table.data tr:last-child td { border-bottom: 0; }

.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; background: #eef1f4; border: 1px solid var(--border); }
.pill-ok { background: #e2f0e6; color: var(--ok); }
.pill-bad { background: #fae3e3; color: var(--danger); }
.pill-warn { background: #faecd0; color: var(--warn); }
.pill-default { background: #eef1f4; color: var(--muted); }

dl.meta { display: grid; grid-template-columns: 160px 1fr; gap: 6px 14px; margin: 0; font-size: 13px; }
dl.meta dt { color: var(--muted); }
dl.meta dd { margin: 0; }

pre.error { background: #fbe9e9; color: var(--danger); padding: 10px; border-radius: 8px; white-space: pre-wrap; word-break: break-word; }
pre.payload { background: #f6f6f1; padding: 10px; border-radius: 8px; white-space: pre-wrap; word-break: break-word; max-height: 480px; overflow: auto; font-size: 12px; }

code { background: #f1efe7; padding: 1px 6px; border-radius: 4px; font-size: 12px; }

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px 16px;
}

.form-grid label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 13px;
    color: var(--muted);
}

.form-grid input, .form-grid select, .form-grid textarea {
    padding: 6px 8px;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    font-family: inherit;
    color: var(--ink);
}

.error-list {
    margin: 0;
    padding-left: 18px;
    color: var(--danger);
    font-size: 13px;
}

.memo-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.memo-item { border: 1px solid var(--border); border-radius: 10px; padding: 10px 12px; background: #fbfbf8; }
.memo-header { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-bottom: 6px; }
.memo-content { margin: 0 0 6px; white-space: pre-wrap; word-break: break-word; }

.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.login-form {
    background: var(--panel);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 32px;
    box-shadow: var(--shadow);
    display: grid;
    gap: 14px;
    width: min(360px, 90vw);
}

.login-form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--muted); }
.login-form input { padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; }
.login-error { color: var(--danger); margin: 0; font-size: 13px; }

@media (max-width: 720px) {
    .page {
        display: block;
        min-height: 100vh;
    }

    .sidebar {
        position: sticky;
        top: 0;
        z-index: 10;
        height: auto;
        max-height: 42vh;
        padding: 10px 12px;
        overflow-y: auto;
        box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
    }

    .brand {
        margin-bottom: 8px;
        font-size: 16px;
    }

    .brand-mark { font-size: 19px; }

    .nav {
        flex: none;
        flex-direction: row;
        flex-wrap: wrap;
        gap: 6px;
        overflow-x: visible;
        padding-bottom: 4px;
    }

    .nav-section { display: none; }

    .nav-link {
        flex: 0 0 auto;
        padding: 7px 10px;
        white-space: nowrap;
        font-size: 13px;
    }

    .logout-form {
        margin-top: 8px;
    }

    .logout-form .btn {
        width: auto;
    }

    .content {
        max-width: none;
        padding: 16px 12px 40px;
    }

    h1 { font-size: 24px; }

    .card {
        padding: 14px 12px;
        overflow-x: auto;
    }

    dl.meta {
        grid-template-columns: 1fr;
        gap: 2px 0;
    }
}