/* rogerio.eu - minimal, neutral, system fonts */
:root {
  --bg: #fafaf9; --surface: #ffffff; --text: #1c1917; --muted: #57534e; --faint: #78716c;
  --line: #e7e5e4; --line-strong: #d6d3d1; --accent: #1e3a5f; --accent-ink: #ffffff; --accent-soft: #e8eef5;
  --ok: #166534; --ok-soft: #dcfce7; --warn: #92400e; --warn-soft: #fef3c7; --bad: #991b1b; --bad-soft: #fee2e2;
  --radius: 8px; --shadow: 0 1px 2px rgba(0,0,0,.04), 0 1px 1px rgba(0,0,0,.03);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #121212; --surface: #1a1a1a; --text: #ecebea; --muted: #b5b0ab; --faint: #9a948e;
    --line: #2b2b2b; --line-strong: #3a3a3a; --accent: #8fb3dd; --accent-ink: #0f1a26; --accent-soft: #1d2a38;
    --ok: #86efac; --ok-soft: #14301f; --warn: #fcd34d; --warn-soft: #33290f; --bad: #fca5a5; --bad-soft: #3a1717; }
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.6 var(--font); }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { text-decoration-thickness: 2px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 3px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(1.75rem, 4vw, 2.4rem); font-weight: 650; }
h2 { font-size: 1.25rem; font-weight: 600; }
h3 { font-size: 1rem; font-weight: 600; }
p { margin: 0 0 1em; }
.skip { position: absolute; left: -999px; top: 0; background: var(--surface); padding: .5rem 1rem; z-index: 10; }
.skip:focus { left: .5rem; top: .5rem; }
.container { max-width: 1040px; margin: 0 auto; padding: 0 1.25rem; }
.narrow { max-width: 680px; }
.muted { color: var(--muted); } .small { font-size: .875rem; } .faint { color: var(--faint); }
.visually-hidden { position: absolute !important; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Header */
.site-header { border-bottom: 1px solid var(--line); background: var(--surface); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 64px; flex-wrap: wrap; }
.brand { display: inline-flex; align-items: center; gap: .65rem; text-decoration: none; color: var(--text); font-weight: 600; }
.monogram { display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 6px; background: var(--accent); color: var(--accent-ink); font-size: .85rem; font-weight: 700; letter-spacing: .04em; }
.nav { display: flex; gap: .25rem; flex-wrap: wrap; align-items: center; }
.nav a, .nav button.link { color: var(--muted); text-decoration: none; padding: .4rem .65rem; border-radius: 6px; font-size: .95rem; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--accent-soft); }

main { padding: 2.5rem 0 3rem; }
.site-footer { border-top: 1px solid var(--line); padding: 1.5rem 0; color: var(--faint); font-size: .875rem; }

/* Home */
.hero { padding: 2rem 0 1.5rem; }
.hero .lead { font-size: 1.15rem; color: var(--muted); max-width: 46ch; }
.placeholder { background: var(--warn-soft); color: var(--warn); border-radius: 4px; padding: 0 .3em; font-size: .75em; font-weight: 600; vertical-align: middle; white-space: nowrap; }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1.25rem; }
.grid-4 { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 1rem; }
@media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; box-shadow: var(--shadow); }
.card > h2:first-child, .card > h3:first-child { margin-top: 0; }
.list-plain { list-style: none; padding: 0; margin: 0; }
.list-plain li { padding: .55rem 0; border-top: 1px solid var(--line); }
.list-plain li:first-child { border-top: 0; }
.kv { display: grid; grid-template-columns: max-content 1fr; gap: .4rem 1.25rem; margin: 0; }
.kv dt { color: var(--muted); } .kv dd { margin: 0; }
section + section { margin-top: 2.25rem; }

/* App bits */
.toolbar { display: flex; align-items: center; justify-content: space-between; gap: .75rem; flex-wrap: wrap; margin-bottom: .9rem; }
.toolbar h2 { margin: 0; }
.btn { font: inherit; font-size: .9rem; display: inline-flex; align-items: center; gap: .35rem; padding: .45rem .85rem; border-radius: 6px; border: 1px solid var(--line-strong); background: var(--surface); color: var(--text); cursor: pointer; text-decoration: none; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--bad); border-color: var(--bad); }
.btn.small { padding: .25rem .6rem; font-size: .85rem; }
.btn[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); }
.badge { display: inline-block; font-size: .75rem; line-height: 1.5; padding: 0 .5rem; border-radius: 999px; background: var(--accent-soft); color: var(--accent); white-space: nowrap; font-weight: 500; }
.badge.ok { background: var(--ok-soft); color: var(--ok); } .badge.warn { background: var(--warn-soft); color: var(--warn); } .badge.bad { background: var(--bad-soft); color: var(--bad); } .badge.grey { background: var(--line); color: var(--muted); }
.notice { padding: .75rem 1rem; border-radius: var(--radius); background: var(--accent-soft); margin-bottom: 1.25rem; font-size: .925rem; }
.notice.error { background: var(--bad-soft); color: var(--bad); }
.empty { color: var(--faint); font-style: italic; padding: .75rem 0; }
.stat { font-size: 1.5rem; font-weight: 650; font-variant-numeric: tabular-nums; }
.stat-label { color: var(--muted); font-size: .85rem; }
.subnav { display: flex; gap: .4rem; flex-wrap: wrap; margin: 0 0 2rem; padding: 0; list-style: none; }
.subnav a { display: inline-block; padding: .3rem .75rem; border: 1px solid var(--line); border-radius: 999px; text-decoration: none; color: var(--muted); font-size: .9rem; background: var(--surface); }
.subnav a:hover { color: var(--text); border-color: var(--accent); }

/* Event list */
.events { list-style: none; padding: 0; margin: 0; }
.event { display: grid; grid-template-columns: 64px 1fr auto; gap: 1rem; align-items: start; padding: .85rem 0; border-top: 1px solid var(--line); }
.event:first-child { border-top: 0; }
.datebox { text-align: center; border: 1px solid var(--line); border-radius: 6px; padding: .2rem 0; background: var(--bg); }
.datebox .d { font-size: 1.3rem; font-weight: 650; line-height: 1.2; } .datebox .m { font-size: .72rem; text-transform: uppercase; color: var(--muted); letter-spacing: .05em; }
.event .meta { color: var(--muted); font-size: .875rem; }
.event.past { opacity: .6; }

/* Tables -> cards on mobile */
.table-wrap { overflow-x: auto; }
table.data { width: 100%; border-collapse: collapse; font-size: .925rem; }
table.data th, table.data td { text-align: left; padding: .55rem .6rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.data th { font-weight: 600; color: var(--muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .04em; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tr.cancelled td { text-decoration: line-through; color: var(--faint); }
table.data tr.done td { color: var(--faint); }
@media (max-width: 640px) {
  table.data thead { display: none; }
  table.data, table.data tbody, table.data tr, table.data td { display: block; width: 100%; }
  table.data tr { border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: .75rem; padding: .4rem .2rem; background: var(--surface); }
  table.data td { border: 0; padding: .25rem .6rem; display: flex; justify-content: space-between; gap: 1rem; text-align: right; }
  table.data td::before { content: attr(data-label); color: var(--muted); font-size: .8rem; text-align: left; }
  table.data td.num { text-align: right; }
  .event { grid-template-columns: 56px 1fr; } .event .actions { grid-column: 2; }
}

/* Calendar */
.cal-head { display: flex; align-items: center; justify-content: space-between; gap: .5rem; margin-bottom: .5rem; }
.cal { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 2px; font-size: .85rem; }
.cal .dow { text-align: center; color: var(--muted); font-size: .75rem; padding: .25rem 0; text-transform: uppercase; }
.cal .day { min-height: 56px; border: 1px solid var(--line); border-radius: 4px; padding: .2rem .3rem; background: var(--surface); overflow: hidden; }
.cal .day.other { opacity: .35; }
.cal .day.today { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.cal .day .n { font-size: .75rem; color: var(--muted); }
.cal .day.booked { background: var(--accent-soft); }
.cal .day.pending { background: var(--warn-soft); }
.cal .day .who { display: block; font-size: .72rem; line-height: 1.25; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; color: var(--text); }
@media (max-width: 640px) { .cal .day { min-height: 40px; } .cal .day .who { display: none; } }
.legend { display: flex; gap: 1rem; font-size: .8rem; color: var(--muted); margin-top: .5rem; flex-wrap: wrap; }
.legend span::before { content: ""; display: inline-block; width: .8em; height: .8em; border-radius: 2px; margin-right: .35em; vertical-align: -1px; border: 1px solid var(--line-strong); }
.legend .l-booked::before { background: var(--accent-soft); } .legend .l-pending::before { background: var(--warn-soft); }

/* Dialog form */
dialog { border: 1px solid var(--line); border-radius: 10px; padding: 0; width: min(560px, calc(100vw - 2rem)); background: var(--surface); color: var(--text); box-shadow: 0 10px 40px rgba(0,0,0,.2); }
dialog::backdrop { background: rgba(0,0,0,.35); }
dialog form { padding: 1.25rem 1.25rem 1rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .75rem 1rem; }
.form-grid .full { grid-column: 1 / -1; }
@media (max-width: 520px) { .form-grid { grid-template-columns: 1fr; } }
label { display: block; font-size: .85rem; font-weight: 500; margin-bottom: .25rem; color: var(--muted); }
input, select, textarea { width: 100%; font: inherit; font-size: .95rem; padding: .45rem .6rem; border: 1px solid var(--line-strong); border-radius: 6px; background: var(--bg); color: var(--text); }
textarea { min-height: 90px; resize: vertical; }
input[type="checkbox"] { width: auto; }
.check { display: flex; align-items: center; gap: .5rem; font-size: .95rem; color: var(--text); }
.form-actions { display: flex; justify-content: space-between; gap: .5rem; margin-top: 1.25rem; flex-wrap: wrap; }
.form-actions .right { display: flex; gap: .5rem; margin-left: auto; }
.form-error { color: var(--bad); font-size: .9rem; min-height: 1.2em; margin: .75rem 0 0; }
.pre { white-space: pre-wrap; }
/* utilities (no inline styles: CSP disallows them) */
.m-0 { margin: 0 !important; } .mt-section { margin-top: 2.25rem; } .mt-sm { margin-top: .75rem; } .mt-0 { margin-top: 0 !important; }
.lang-toggle { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 6px; overflow: hidden; }
.lang-toggle button { font: inherit; font-size: .8rem; border: 0; background: transparent; color: var(--muted); padding: .3rem .6rem; cursor: pointer; }
.lang-toggle button[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
main.container { padding-top: 2.5rem; padding-bottom: 3rem; }
.toolbar > span, .toolbar > strong { flex: 1 1 auto; min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 640px) {
  main.container { padding-top: 1.5rem; }
  .hide-sm { display: none; }
  .site-header .container { padding-top: .5rem; padding-bottom: .5rem; }
}
.toolbar > .badge { flex: none; }

/* Chat */
.chat { padding: 0; overflow: hidden; }
.chat-list { display: flex; flex-direction: column; gap: .6rem; max-height: 440px; min-height: 160px; overflow-y: auto; padding: 1rem 1.25rem; background: var(--bg); border-bottom: 1px solid var(--line); overscroll-behavior: contain; }
.chat-list .empty { margin: auto; text-align: center; }
.msg { max-width: min(78%, 620px); align-self: flex-start; padding: .5rem .8rem .55rem; border-radius: 10px; border: 1px solid var(--line); background: var(--surface); }
.msg.mine { align-self: flex-end; border-color: var(--line-strong); }
.msg.bot { background: var(--accent-soft); border-color: transparent; }
.msg-meta { font-size: .78rem; color: var(--faint); margin-bottom: .1rem; }
.msg-meta strong { color: var(--muted); font-weight: 600; }
.msg-text { white-space: pre-wrap; overflow-wrap: anywhere; font-size: .95rem; }
.chat-form { display: flex; gap: .6rem; align-items: flex-end; padding: .9rem 1.25rem .4rem; }
.chat-input { min-height: 44px; max-height: 200px; resize: vertical; flex: 1 1 auto; }
.chat-form .btn { flex: none; min-height: 44px; }
.chat-foot { display: flex; justify-content: space-between; gap: 1rem; padding: 0 1.25rem .6rem; flex-wrap: wrap; }
.chat > .form-error { padding: 0 1.25rem .6rem; min-height: 0; }
@media (max-width: 640px) {
  .chat-list { max-height: 60vh; padding: .75rem; }
  .msg { max-width: 88%; }
  .chat-form { padding: .75rem .75rem .35rem; }
  .chat-foot, .chat > .form-error { padding-left: .75rem; padding-right: .75rem; }
}