:root {
    --bg: #fbfbfd;
    --surface: #ffffff;
    --ink: #1a1c20;
    --muted: #5c6470;
    --line: #e4e7ec;
    --accent: #0f766e;
    --accent-ink: #0b544e;
    --danger: #b42318;
    --ok-bg: #ecfdf3;
    --ok-line: #abefc6;
    --ok-ink: #067647;
    --radius: 8px;
    --mono: ui-monospace, "SF Mono", "Cascadia Code", "JetBrains Mono", Menlo, Consolas, monospace;
    --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

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

.wrap {
    max-width: 960px;
    margin: 0 auto;
    padding: 2rem 1.25rem 4rem;
}

header.site {
    border-bottom: 1px solid var(--line);
    background: var(--surface);
}
header.site .wrap {
    padding-top: 1.25rem;
    padding-bottom: 1.25rem;
    display: flex;
    align-items: baseline;
    gap: 0.75rem;
}
header.site .brand {
    font-weight: 700;
    letter-spacing: 0.02em;
    border-left: 3px solid var(--accent);
    padding-left: 0.6rem;
}
header.site .sub {
    color: var(--muted);
    font-size: 0.9rem;
}
header.site .auth {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.85rem;
    color: var(--muted);
}
header.site .auth a { color: var(--accent-ink); }
header.site .auth form.inline-form { display: inline; }

.link-btn {
    background: none;
    border: none;
    padding: 0;
    font: inherit;
    color: var(--accent-ink);
    cursor: pointer;
    text-decoration: underline;
}

.toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.25rem;
}
.toolbar h1 {
    font-size: 1.35rem;
    margin: 0;
}
.toolbar .count {
    color: var(--muted);
    font-weight: 400;
    font-size: 1rem;
    margin-left: 0.4rem;
}

.btn {
    display: inline-block;
    font: inherit;
    font-size: 0.9rem;
    padding: 0.5rem 0.9rem;
    border-radius: var(--radius);
    border: 1px solid var(--accent);
    background: var(--accent);
    color: #fff;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.12s ease, border-color 0.12s ease;
}
.btn:hover { background: var(--accent-ink); border-color: var(--accent-ink); }
.btn.secondary {
    background: var(--surface);
    color: var(--ink);
    border-color: var(--line);
}
.btn.secondary:hover { background: #f4f5f7; }
.btn.danger-link {
    background: none;
    border: none;
    color: var(--danger);
    padding: 0.25rem 0.4rem;
    cursor: pointer;
    font-size: 0.85rem;
}
.btn.danger-link:hover { text-decoration: underline; }

a { color: var(--accent-ink); }

.flash {
    background: var(--ok-bg);
    border: 1px solid var(--ok-line);
    color: var(--ok-ink);
    padding: 0.6rem 0.9rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
    font-size: 0.92rem;
}

.card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    overflow: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.92rem;
}
thead th {
    text-align: left;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    padding: 0.7rem 0.9rem;
    border-bottom: 1px solid var(--line);
    background: #f7f8fa;
}
tbody td {
    padding: 0.65rem 0.9rem;
    border-bottom: 1px solid var(--line);
    vertical-align: middle;
}
tbody tr:last-child td { border-bottom: none; }
tbody tr:hover { background: #f9fafb; }

.mono { font-family: var(--mono); font-size: 0.86rem; }
.muted { color: var(--muted); }
.nowrap { white-space: nowrap; }
td.actions { text-align: right; white-space: nowrap; }
td.actions a { margin-right: 0.5rem; font-size: 0.85rem; }
.inline-form { display: inline; }

/* --- Form --- */
.form-card {
    background: var(--surface);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    padding: 1.5rem;
    max-width: 620px;
}
.field { margin-bottom: 1.1rem; }
.field label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.3rem;
}
.field .hint { color: var(--muted); font-weight: 400; font-size: 0.8rem; }
.field input {
    width: 100%;
    font: inherit;
    padding: 0.55rem 0.65rem;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: #fff;
    color: var(--ink);
}
.field input:focus,
.btn:focus-visible,
a:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}
.field input.error { border-color: var(--danger); }
.field .error-msg { color: var(--danger); font-size: 0.82rem; margin-top: 0.3rem; }
.form-actions {
    display: flex;
    gap: 0.6rem;
    margin-top: 1.5rem;
}

.empty {
    padding: 2.5rem 1rem;
    text-align: center;
    color: var(--muted);
}

@media (max-width: 640px) {
    thead { display: none; }
    tbody td { display: block; border: none; padding: 0.2rem 0.9rem; }
    tbody tr { display: block; border-bottom: 1px solid var(--line); padding: 0.6rem 0; }
    td.actions { text-align: left; padding-top: 0.5rem; }
    td[data-label]::before {
        content: attr(data-label) "  ";
        color: var(--muted);
        font-size: 0.72rem;
        text-transform: uppercase;
        letter-spacing: 0.05em;
    }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}