:root {
    --bg: #0f172a;
    --card: #111827;
    --muted: #94a3b8;
    --text: #e5e7eb;
    --accent: #22c55e;
    --accent-2: #3b82f6;
    --danger: #ef4444;
    --border: #1f2937;
}
a:link {
    color: #3b82f6;
}
* {
    box-sizing: border-box;
}
html,
body {
    margin: 0;
    padding: 0;
    background: var(--bg);
    color: var(--text);
    font: 16px/1.5 system-ui, -apple-system, Segoe UI, Roboto, Noto Sans JP, sans-serif;
}

.container {
    width: min(1100px, 92%);
    margin-inline: auto;
    padding: 16px;
}
header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
h1 {
    font-size: 1.5rem;
    margin: 0;
}

.grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 16px;
}
.card {
    grid-column: span 12;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 16px;
}
.muted {
    color: var(--muted);
}

@media (min-width: 760px) {
    #authSection {
        grid-column: span 4;
    }
    #entrySection {
        grid-column: span 8;
    }
    #summarySection {
        grid-column: span 12;
    }
    #listSection {
        grid-column: span 12;
    }
}

.tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}
.tab {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text);
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
}
.tab.active {
    border-color: var(--accent);
    color: #fff;
}

.form {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 8px;
}
.form label {
    grid-column: span 12;
    display: flex;
    flex-direction: column;
    gap: 6px;
}
.form label.full {
    grid-column: span 12;
}
.form fieldset {
    grid-column: span 12;
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 8px 10px;
}
.form fieldset legend {
    color: var(--muted);
    font-size: 0.9rem;
    padding: 0 6px;
}
.form input,
.form select {
    background: #0b1220;
    color: var(--text);
    border: 1px solid var(--border);
    padding: 10px;
    border-radius: 8px;
}
.form button {
    grid-column: span 12;
    justify-self: start;
    padding: 10px 14px;
    border-radius: 8px;
    border: none;
    cursor: pointer;
    white-space: nowrap;
}

.radio-group {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
}
.radio-group .radio {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    border: 1px solid var(--border);
    border-radius: 999px;
    cursor: pointer;
}
.radio-group input[type="radio"] {
    accent-color: var(--accent);
}
.primary {
    background: var(--accent);
    color: #012e20;
    font-weight: 700;
}
.secondary {
    background: var(--accent-2);
    color: #02133a;
    font-weight: 700;
}
.danger {
    background: var(--danger);
    color: white;
}
.error {
    color: #f87171;
    margin: 4px 0 0 0;
    min-height: 1.2em;
}
.hidden {
    display: none;
}

.filters {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.table-wrap {
    overflow: auto;
    border: 1px solid var(--border);
    border-radius: 10px;
}
table {
    width: 100%;
    border-collapse: collapse;
}
th,
td {
    padding: 10px;
    border-bottom: 1px solid var(--border);
    text-align: left;
}
thead th {
    position: sticky;
    top: 0;
    background: #0b1220;
}

/* badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 700;
}
.badge.milli {
    background: #064e3b;
    color: #d1fae5;
}
.badge.micro {
    background: #1e3a8a;
    color: #dbeafe;
}
.badge.nano {
    background: #3f1d7a;
    color: #ede9fe;
}

/* rows */
tr:hover td {
    background: #0b1220;
}

nav#userNav {
    display: flex;
    gap: 8px;
    align-items: center;
}
nav#userNav button {
    padding: 6px 10px;
}