:root {
    color-scheme: light;
    --fg: #16283c;
    --muted: #5a6b7c;
    --line: #dce5ec;
    --accent: #087e96;
    --pale: #eaf7fa;
    font: 16px/1.5 system-ui, sans-serif;
    color: var(--fg);
    background: #f5f8fb;
}
* { box-sizing: border-box; }
body { margin: 0; }
.shell { width: min(1280px, calc(100% - 32px)); margin-inline: auto; }
.site-header { background: white; border-bottom: 1px solid var(--line); }
.header-inner, .brand, .staff-menu { display: flex; align-items: center; gap: 12px; }
.header-inner { min-height: 76px; justify-content: space-between; flex-wrap: wrap; padding-block: 8px; }
.brand { color: var(--fg); font-size: 23px; font-weight: 800; text-decoration: none; gap: 0; }
.brand img { object-fit: contain; margin-right: 8px; }
.brand span { color: var(--accent); }
.brand small { font-size: 12px; margin-left: 12px; padding: 3px 8px; border-radius: 7px; background: var(--pale); color: var(--accent); }
main { padding-block: 28px 48px; }
h1 { font-size: clamp(25px, 4vw, 38px); margin: 0 0 18px; line-height: 1.15; }
a { color: var(--accent); }
.panel { margin-bottom: 16px; padding: 20px; background: white; border: 1px solid var(--line); border-radius: 16px; }
.login { max-width: 445px; margin: 32px auto; padding: clamp(20px, 5vw, 36px); border-top: 4px solid var(--accent); }
.login p { color: var(--muted); }
.login .error { color: #a12232; }
.login label { display: block; margin-bottom: 16px; }
input, select, button, .button { font: inherit; }
input:not([type=checkbox], [type=hidden]), select {
    display: block; width: 100%; margin-top: 5px; padding: 9px 10px;
    border: 1px solid #aabcc9; background: white; border-radius: 8px; color: var(--fg);
}
input[type=checkbox] { accent-color: var(--accent); }
button, .button {
    border: 1px solid var(--accent); border-radius: 9px; color: white;
    background: var(--accent); padding: 9px 14px; font-weight: 650;
    cursor: pointer; text-decoration: none;
}
button.secondary, .button.secondary { color: var(--fg); border-color: var(--line); background: var(--pale); }
:focus-visible { outline: 2px solid #3265c7; outline-offset: 3px; }
.arc-navigation { display: flex; gap: 8px; }
.arc-navigation a { padding: 8px 12px; border-radius: 8px; text-decoration: none; }
.arc-navigation a[aria-current="page"] { background: var(--pale); font-weight: 700; }
.arc-directory-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 24px; }
.arc-directory-card { display: grid; gap: 4px; text-decoration: none; overflow-wrap: anywhere; }
.arc-directory-card span, .arc-directory-form small { color: var(--muted); }
.arc-directory-form label, .arc-directory-form small { display: block; }
.arc-directory-form label { margin-bottom: 14px; }
.arc-directory-form textarea {
    display: block; width: 100%; margin-top: 5px; padding: 9px 10px;
    border: 1px solid #aabcc9; border-radius: 8px; color: var(--fg); font: inherit; resize: vertical;
}
@media (max-width: 700px) { .arc-directory-grid { grid-template-columns: minmax(0,1fr); } }
.arc-menu { position: relative; }
.arc-menu summary { cursor: pointer; list-style: none; padding: 9px 14px; border: 1px solid var(--line); border-radius: 9px; font-weight: 650; }
.arc-menu summary::-webkit-details-marker { display: none; }
.arc-menu .arc-navigation { position: absolute; z-index: 20; right: 0; top: calc(100% + 8px); display: grid; min-width: 210px; padding: 10px; background: white; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 8px 24px #16283c22; }
.arc-menu .staff-menu { display: grid; gap: 6px; border-top: 1px solid var(--line); padding: 8px 12px 4px; }
.arc-menu .staff-menu span { color: var(--muted); font-size: 13px; }
.arc-directory-form fieldset { min-width: 0; margin: 0 0 16px; padding: 12px; border: 1px solid var(--line); border-radius: 10px; }
.arc-directory-form legend { font-weight: 700; padding-inline: 5px; }
.arc-repeat-row { display: flex; align-items: end; flex-wrap: wrap; gap: 8px; padding-block: 7px; border-bottom: 1px solid var(--line); }
.arc-repeat-row label { flex: 1 1 120px; margin: 0; }
.arc-repeat-row button { flex: 0 0 auto; }
[data-add-row] { margin-top: 10px; }
.arc-radio { display: flex; flex-wrap: wrap; gap: 14px; }
.arc-radio label { margin: 0; }
.arc-master-row { display: flex; align-items: end; max-width: 540px; gap: 8px; margin-bottom: 6px; }
body #arc-live .arc-table th, body #arc-live .arc-table td { padding: 6px 10px; }
body #arc-live .arc-message button, body #arc-live .arc-assignment a { min-height: 0; padding: 4px 8px; font-size: 12px; line-height: 1.4; }
.arc-assignment { margin-top: 5px; }
.arc-assignment a { display: inline-flex; vertical-align: top; }