:root {
    --ink: #1a2421;
    --ink-soft: #3d4a45;
    --muted: #5c6b64;
    --line: #c5d0c8;
    --surface: #fffaf4;
    --surface-solid: #fffaf4;
    --page-bg: #e8f0ec;
    --accent: #0d6e6e;
    --accent-deep: #095555;
    --accent-soft: #d4ecec;
    --danger: #9b2c2c;
    --danger-soft: #f8e4e4;
    --ok: #1f6b3a;
    --ok-soft: #e2f3e8;
    --radius: 4px;
    --font-sans: "DM Sans", "Segoe UI", Tahoma, sans-serif;
    --font-display: "Source Serif 4", Georgia, "Times New Roman", serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
}

body {
    margin: 0;
    min-height: 100vh;
    font-family: var(--font-sans);
    color: var(--ink);
    line-height: 1.5;
    background: var(--page-bg);
}

.page {
    width: min(860px, calc(100% - 2rem));
    margin: 0 auto;
    padding: 1.5rem 0 2.5rem;
}

body.wide .page {
    width: min(1100px, calc(100% - 2rem));
}

.brand {
    font-family: var(--font-display);
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 0.25rem;
    color: var(--ink);
}

.brand a {
    color: inherit;
    text-decoration: none;
}

.brand a:hover {
    text-decoration: underline;
    color: var(--accent);
}

.tagline {
    margin: 0 0 1.25rem;
    color: var(--muted);
    font-size: 0.95rem;
}

h1.page-title,
h2.section-title {
    font-family: var(--font-display);
    font-weight: 700;
    margin: 0 0 0.65rem;
}

h1.page-title {
    font-size: 1.35rem;
}

h2.section-title {
    font-size: 1.15rem;
    margin-top: 0;
    padding-bottom: 0.35rem;
    border-bottom: 1px solid var(--line);
}

.panel {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.1rem 1.2rem 1.25rem;
    margin-bottom: 1rem;
}

.panel p.lead {
    margin: 0 0 1rem;
    color: var(--ink-soft);
    font-size: 0.95rem;
}

.form-grid {
    display: grid;
    gap: 0.85rem;
}

.form-grid.two {
    grid-template-columns: 1fr 1fr;
}

@media (max-width: 640px) {
    .form-grid.two {
        grid-template-columns: 1fr;
    }
}

label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.3rem;
    color: var(--ink);
}

.hint {
    display: block;
    font-weight: 400;
    font-size: 0.8rem;
    color: var(--muted);
    margin-top: 0.2rem;
}

input[type="text"],
input[type="email"],
input[type="date"],
input[type="password"],
select,
textarea {
    width: 100%;
    padding: 0.45rem 0.55rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
    font: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--accent);
}

textarea {
    min-height: 140px;
    resize: vertical;
}

textarea.tall {
    min-height: 220px;
}

textarea.wiki {
    min-height: 360px;
    font-family: Consolas, "Courier New", monospace;
    font-size: 0.88rem;
    line-height: 1.45;
}

.checkbox-row {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    margin-top: 0.3rem;
}

.checkbox-row input {
    margin-top: 0.2rem;
    width: auto;
}

.checkbox-row label {
    margin: 0;
    font-weight: 500;
}

.substance-table-wrap {
    overflow-x: auto;
}

table.substance-table,
table.data-table,
table.meta-table {
    width: 100%;
    border-collapse: collapse;
}

table.substance-table th,
table.substance-table td {
    padding: 0.35rem 0.3rem;
    vertical-align: middle;
}

table.substance-table th {
    text-align: left;
    font-size: 0.85rem;
    color: var(--muted);
}

table.substance-table input {
    min-width: 7rem;
}

table.data-table {
    background: #fff;
    border: 1px solid var(--line);
}

table.data-table th,
table.data-table td {
    padding: 0.55rem 0.65rem;
    border-bottom: 1px solid var(--line);
    text-align: left;
    font-size: 0.9rem;
}

table.data-table th {
    background: var(--accent-soft);
    color: var(--accent-deep);
    font-size: 0.8rem;
    font-weight: 700;
}

table.data-table tbody tr {
    cursor: pointer;
}

table.data-table tbody tr:hover {
    background: #f3faf8;
}

table.data-table tbody tr:last-child td {
    border-bottom: none;
}

table.meta-table th,
table.meta-table td {
    padding: 0.45rem 0.55rem;
    border-bottom: 1px solid var(--line);
    text-align: left;
    vertical-align: top;
}

table.meta-table th {
    width: 10rem;
    color: var(--muted);
    font-weight: 600;
    font-size: 0.88rem;
}

.actions {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn {
    appearance: none;
    border: 1px solid transparent;
    border-radius: var(--radius);
    padding: 0.45rem 0.9rem;
    font: inherit;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--accent);
    border-color: var(--accent-deep);
    color: #fff;
}

.btn-primary:hover {
    background: var(--accent-deep);
}

.btn-secondary {
    background: #e7eee9;
    border-color: var(--line);
    color: var(--ink);
}

.btn-secondary:hover {
    background: #d7e2dc;
}

.btn-danger {
    background: var(--danger);
    border-color: #7f2222;
    color: #fff;
}

.btn-danger:hover {
    background: #7f2222;
}

.btn-link {
    background: transparent;
    border-color: transparent;
    color: var(--accent);
    padding-left: 0;
    padding-right: 0;
    text-decoration: underline;
}

.btn-link:hover {
    color: var(--accent-deep);
}

.alert {
    border-radius: var(--radius);
    padding: 0.7rem 0.85rem;
    margin-bottom: 1rem;
}

.alert-error {
    background: var(--danger-soft);
    color: var(--danger);
    border: 1px solid #e4b4b4;
}

.alert-error ul {
    margin: 0.35rem 0 0;
    padding-left: 1.2rem;
}

.alert-ok {
    background: var(--ok-soft);
    color: var(--ok);
    border: 1px solid #b7d8c2;
}

.alert-warn {
    background: #f7f0e0;
    color: #6b5420;
    border: 1px solid #e0d2b0;
}

.alert-info {
    background: var(--accent-soft);
    color: var(--accent-deep);
    border: 1px solid #b7d4d4;
}

.btn-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
}

.admin-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--line);
}

.admin-bar .meta {
    color: var(--muted);
    font-size: 0.9rem;
}

.empty-state {
    color: var(--muted);
    padding: 1.25rem 0;
    text-align: center;
}

.login-box {
    max-width: 400px;
    margin: 2.5rem auto 0;
}

.copy-toast {
    display: none;
    margin-top: 0.5rem;
    color: var(--ok);
    font-weight: 600;
    font-size: 0.9rem;
}

.copy-toast.show {
    display: block;
}

.footer-note {
    margin-top: 1.25rem;
    color: var(--muted);
    font-size: 0.85rem;
    text-align: center;
}