/* Coaching Zone scheduler
   Palette: ink, plum (brand), and four slot states that read at a glance on a phone in a busy room. */
:root {
  --ink: #1f1a2e;
  --ink-2: #5a5470;
  --ink-3: #8a849c;
  --canvas: #f3f2f7;
  --surface: #ffffff;
  --line: #dddae6;
  --plum: #5b2a6e;
  --plum-soft: #efe6f3;
  --booked: #2b5fa8;  --booked-bg: #e3ecf9;
  --showed: #1d7348;  --showed-bg: #dff2e7;
  --noshow: #a8352a;  --noshow-bg: #fbe5e2;
  --vip: #8a5d00;     --vip-bg: #fff2cc;
  --st-hot: #a3211a;  --st-hot-bg: #ffdbd6;
  --st-warm: #8f4600; --st-warm-bg: #ffe2c2;
  --st-open: #145f70; --st-open-bg: #d3eff4;
  --st-cold: #36507a; --st-cold-bg: #dde7f7;
  --st-aw: #5b2a6e;   --st-aw-bg: #efe0f6;
  --st-reg: #1d6b43;  --st-reg-bg: #d6f1e0;
  --blocked: #6d6880; --blocked-bg: #e7e5ee;
  --focus: #7a3a93;
  --radius: 10px;
  --radius-sm: 6px;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #eeeaf6; --ink-2: #b9b3c9; --ink-3: #8c869e;
    --canvas: #16131e; --surface: #211d2c; --line: #383246;
    --plum: #c99ad8; --plum-soft: #34263d;
    --booked: #8db5f0; --booked-bg: #1f3150;
    --showed: #7fd3a5; --showed-bg: #173828;
    --noshow: #f19a8e; --noshow-bg: #47201c;
    --vip: #f0c35a; --vip-bg: #3c3115;
    --st-hot: #ff9d92;  --st-hot-bg: #55211d;
    --st-warm: #ffbf80; --st-warm-bg: #4a2d12;
    --st-open: #7fd6e6; --st-open-bg: #173940;
    --st-cold: #a9c3f0; --st-cold-bg: #212e48;
    --st-aw: #dba9ee;   --st-aw-bg: #3b2547;
    --st-reg: #86dcaa;  --st-reg-bg: #173a27;
    --blocked: #a7a1b8; --blocked-bg: #2c2838;
    --focus: #d6a9e6;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: "Atkinson Hyperlegible", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 16px; line-height: 1.45;
  color: var(--ink); background: var(--canvas);
  -webkit-text-size-adjust: 100%;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--plum); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
.boot { padding: 2rem; color: var(--ink-2); }
.muted { color: var(--ink-2); }
.small { font-size: .875rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- header ---------- */
.top {
  position: sticky; top: 0; z-index: 20;
  background: var(--plum); color: #fff;
  padding: calc(env(safe-area-inset-top, 0px) + .5rem) 1rem .5rem;
}
@media (prefers-color-scheme: dark) { .top { background: #2b1934; } }
.top-row { display: flex; align-items: center; gap: .75rem; flex-wrap: wrap; }
.brand { font-weight: 700; font-size: 1.05rem; letter-spacing: .01em; margin-right: auto; }
.brand span { font-weight: 400; opacity: .8; }
.top select {
  background: rgba(255,255,255,.12); color: #fff; border: 1px solid rgba(255,255,255,.3);
  border-radius: var(--radius-sm); padding: .3rem .5rem; max-width: 14rem;
}
.top select option { color: #1f1a2e; }
.sync { font-size: .8rem; opacity: .85; white-space: nowrap; }
.sync.bad { opacity: 1; background: #a8352a; padding: .1rem .5rem; border-radius: 99px; }
.linkbtn { background: none; border: 0; color: inherit; text-decoration: underline; cursor: pointer; padding: .25rem; }
nav.tabs { display: flex; gap: .25rem; margin-top: .5rem; overflow-x: auto; scrollbar-width: none; }
nav.tabs a {
  color: #fff; text-decoration: none; padding: .4rem .8rem; border-radius: 99px; white-space: nowrap; opacity: .85;
}
nav.tabs a[aria-current="page"] { background: #fff; color: var(--plum); opacity: 1; font-weight: 700; }
@media (prefers-color-scheme: dark) { nav.tabs a[aria-current="page"] { color: #2b1934; } }

main { padding: 1rem; max-width: 1400px; margin: 0 auto; }
h1 { font-size: 1.5rem; margin: 0 0 .75rem; line-height: 1.2; }
h2 { font-size: 1.15rem; margin: 1.5rem 0 .5rem; }
h3 { font-size: 1rem; margin: 1rem 0 .4rem; }

/* ---------- controls ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .35rem;
  min-height: 2.5rem; padding: .45rem .9rem; border-radius: var(--radius-sm);
  border: 1px solid var(--line); background: var(--surface); cursor: pointer; text-decoration: none; color: var(--ink);
}
.btn.primary { background: var(--plum); border-color: var(--plum); color: #fff; font-weight: 700; }
@media (prefers-color-scheme: dark) { .btn.primary { color: #1f1a2e; } }
.btn.danger { color: var(--noshow); border-color: color-mix(in srgb, var(--noshow) 40%, var(--line)); }
.btn.showed[aria-pressed="true"] { background: var(--showed); border-color: var(--showed); color: #fff; }
.btn.noshow[aria-pressed="true"] { background: var(--noshow); border-color: var(--noshow); color: #fff; }
.btn.sm { min-height: 2rem; padding: .25rem .6rem; font-size: .875rem; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.row { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; }
.row.end { justify-content: flex-end; }
.spacer { flex: 1; }
label.field { display: grid; gap: .25rem; font-size: .875rem; color: var(--ink-2); }
label.field > span { font-weight: 700; }
input[type=text], input[type=search], input[type=email], input[type=tel], input[type=password], input[type=date], input[type=url], select, textarea {
  width: 100%; min-height: 2.5rem; padding: .45rem .6rem; border: 1px solid var(--line);
  border-radius: var(--radius-sm); background: var(--surface); color: var(--ink);
}
textarea { min-height: 5rem; resize: vertical; }
label.check { display: inline-flex; gap: .4rem; align-items: center; font-size: .95rem; }
.grid2 { display: grid; gap: .75rem; grid-template-columns: repeat(auto-fit, minmax(14rem, 1fr)); }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; }
.chip { display: inline-block; font-size: .75rem; font-weight: 700; padding: .05rem .45rem; border-radius: 99px; vertical-align: middle; }
.chip.vip { background: var(--vip-bg); color: var(--vip); }
.chip.st.hot { background: var(--st-hot-bg); color: var(--st-hot); }
.chip.st.warm { background: var(--st-warm-bg); color: var(--st-warm); }
.chip.st.open { background: var(--st-open-bg); color: var(--st-open); }
.chip.st.cold { background: var(--st-cold-bg); color: var(--st-cold); }
.chip.st.aw { background: var(--st-aw-bg); color: var(--st-aw); }
.chip.st.reg { background: var(--st-reg-bg); color: var(--st-reg); }
.chip.st.other { background: var(--blocked-bg); color: var(--blocked); }
.chip.walk { background: var(--plum-soft); color: var(--plum); }
.chip.showed { background: var(--showed-bg); color: var(--showed); }
.chip.noshow { background: var(--noshow-bg); color: var(--noshow); }
.empty { padding: 1.5rem; text-align: center; color: var(--ink-2); }

/* ---------- schedule grid ---------- */
.daybar { display: flex; gap: .5rem; flex-wrap: wrap; align-items: center; margin-bottom: .75rem; }
.seg { display: inline-flex; border: 1px solid var(--line); border-radius: 99px; overflow: hidden; background: var(--surface); flex-wrap: wrap; }
.seg button { border: 0; background: none; padding: .45rem .9rem; cursor: pointer; min-height: 2.5rem; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--surface); font-weight: 700; }
.legend { display: flex; gap: .75rem; flex-wrap: wrap; font-size: .8rem; color: var(--ink-2); margin: .25rem 0 .75rem; }
.legend i { display: inline-block; width: .8rem; height: .8rem; border-radius: 3px; vertical-align: -1px; margin-right: .25rem; }
.gridwrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table.grid { border-collapse: separate; border-spacing: 0; width: 100%; min-width: max-content; }
table.grid th, table.grid td { padding: 3px; border-bottom: 1px solid var(--line); }
table.grid thead th {
  position: sticky; top: 0; background: var(--surface); z-index: 2; text-align: left;
  padding: .55rem .5rem; font-size: .95rem; border-bottom: 2px solid var(--ink);
}
table.grid th.time {
  position: sticky; left: 0; z-index: 1; background: var(--surface); text-align: left;
  padding: .35rem .6rem; min-width: 8.5rem; border-right: 1px solid var(--line); font-weight: 400;
}
table.grid thead th.time { z-index: 3; }
.time b { display: block; font-size: .95rem; }
.time small { color: var(--ink-3); font-size: .78rem; }
.cell {
  display: block; width: 100%; min-width: 9.5rem; min-height: 3rem; text-align: left;
  border: 1px solid transparent; border-radius: var(--radius-sm); padding: .35rem .5rem; cursor: pointer;
  background: transparent; line-height: 1.2;
}
.cell .who { font-weight: 700; display: block; }
.cell .meta { font-size: .78rem; color: var(--ink-2); }
.cell.open { color: var(--ink-3); border: 1px dashed var(--line); }
.cell.open:hover { border-color: var(--plum); color: var(--plum); }
.cell.vip { background: var(--vip-bg); color: var(--vip); border: 1px dashed color-mix(in srgb, var(--vip) 50%, transparent); }
.cell.asneeded { color: var(--ink-3); border: 1px dashed var(--line); background: repeating-linear-gradient(90deg, transparent 0 6px, color-mix(in srgb, var(--line) 35%, transparent) 6px 7px); }
.cell.blocked {
  cursor: default; color: var(--blocked); font-size: .85rem;
  background: repeating-linear-gradient(135deg, var(--blocked-bg) 0 8px, transparent 8px 14px);
}
.cell.blocked.admin { cursor: pointer; }
.cell.booked { background: var(--booked-bg); color: var(--booked); border-color: color-mix(in srgb, var(--booked) 35%, transparent); }
.cell.booked .who { color: var(--ink); }
.cell.showed { background: var(--showed-bg); border-color: color-mix(in srgb, var(--showed) 45%, transparent); }
.cell.showed .meta { color: var(--showed); }
.cell.noshow { background: var(--noshow-bg); border-color: color-mix(in srgb, var(--noshow) 45%, transparent); }
.cell.noshow .meta { color: var(--noshow); }
.cell.flash { animation: flash 1.2s ease-out; }
@keyframes flash { from { box-shadow: 0 0 0 3px var(--plum); } to { box-shadow: 0 0 0 0 transparent; } }
@media (prefers-reduced-motion: reduce) { .cell.flash { animation: none; } }

/* ---------- lists ---------- */
.list { display: grid; gap: .5rem; }
.item {
  display: flex; gap: .75rem; align-items: center; background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); padding: .65rem .85rem;
}
.item.clickable { cursor: pointer; text-align: left; width: 100%; }
.item.clickable:hover { border-color: var(--plum); }
.item .main { flex: 1; min-width: 0; }
.item .main b { display: block; }
.item .when { min-width: 7.5rem; font-weight: 700; }
.daylabel { margin: 1.25rem 0 .5rem; font-weight: 700; color: var(--ink-2); }

/* ---------- reports ---------- */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(9rem, 1fr)); gap: .5rem; margin-bottom: 1rem; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: .75rem .9rem; }
.kpi b { display: block; font-size: 1.7rem; line-height: 1.1; font-variant-numeric: tabular-nums; }
.kpi span { font-size: .85rem; color: var(--ink-2); }
.reports { display: grid; gap: 1rem; grid-template-columns: minmax(14rem, 18rem) 1fr; align-items: start; }
@media (max-width: 800px) { .reports { grid-template-columns: 1fr; } }
.replist { display: grid; gap: .35rem; }
.replist button { text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius-sm); padding: .55rem .7rem; cursor: pointer; }
.replist button[aria-pressed="true"] { border-color: var(--plum); box-shadow: inset 4px 0 0 var(--plum); font-weight: 700; }
.tablewrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
table.data { border-collapse: collapse; width: 100%; font-size: .9rem; }
table.data th, table.data td { padding: .45rem .6rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
table.data th { background: var(--canvas); position: sticky; top: 0; white-space: nowrap; }
table.data td.num, table.data th.num { text-align: right; font-variant-numeric: tabular-nums; }
table.data tr.total td { font-weight: 700; border-top: 2px solid var(--ink); }
table.data td.clip { max-width: 22rem; white-space: pre-wrap; }

/* ---------- setup ---------- */
.setup { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(20rem, 1fr)); align-items: start; }
.setup .panel h2 { margin-top: 0; }
.editrow { display: flex; gap: .35rem; align-items: center; padding: .3rem 0; border-bottom: 1px solid var(--line); }
.editrow input, .editrow select { min-height: 2.2rem; }
.rows-table { width: 100%; border-collapse: collapse; }
.rows-table td { padding: .25rem; border-bottom: 1px solid var(--line); vertical-align: middle; }
.rows-table input, .rows-table select { min-height: 2.2rem; }

/* ---------- modal ---------- */
dialog {
  border: 0; border-radius: var(--radius); padding: 0; width: min(36rem, calc(100vw - 1.5rem));
  max-height: calc(100dvh - 2rem); background: var(--surface); color: var(--ink);
  box-shadow: 0 20px 60px rgba(20, 10, 30, .35);
}
dialog::backdrop { background: rgba(25, 15, 35, .5); }
dialog.wide { width: min(52rem, calc(100vw - 1.5rem)); }
.dlg-head { display: flex; align-items: start; gap: .75rem; padding: 1rem 1rem .5rem; position: sticky; top: 0; background: var(--surface); z-index: 1; border-bottom: 1px solid var(--line); }
.dlg-head h2 { margin: 0; font-size: 1.15rem; }
.dlg-head p { margin: .15rem 0 0; color: var(--ink-2); font-size: .9rem; }
.dlg-body { padding: 1rem; display: grid; gap: .9rem; }
.close { margin-left: auto; border: 0; background: none; font-size: 1.6rem; line-height: 1; cursor: pointer; padding: .1rem .4rem; color: var(--ink-2); }
.results { display: grid; gap: .3rem; max-height: 18rem; overflow: auto; }
.results button { text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius-sm); padding: .5rem .65rem; cursor: pointer; }
.results button:hover { border-color: var(--plum); }
.results .sub { color: var(--ink-3); font-size: .8rem; }
.notice { padding: .6rem .75rem; border-radius: var(--radius-sm); background: var(--vip-bg); color: var(--vip); font-size: .9rem; }
.notice.info { background: var(--plum-soft); color: var(--plum); }
details > summary { cursor: pointer; font-weight: 700; padding: .25rem 0; }

/* ---------- auth ---------- */
.auth { max-width: 24rem; margin: 10vh auto; padding: 1.5rem; background: var(--surface); border-radius: var(--radius); border: 1px solid var(--line); display: grid; gap: .9rem; }
.auth h1 { margin: 0; color: var(--plum); }
.err { color: var(--noshow); font-size: .9rem; min-height: 1.2em; }

#toast {
  position: fixed; left: 50%; bottom: calc(1rem + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
  background: var(--ink); color: var(--surface); padding: .6rem 1rem; border-radius: var(--radius-sm);
  max-width: calc(100vw - 2rem); z-index: 100; opacity: 0; pointer-events: none; transition: opacity .2s;
}
#toast.show { opacity: 1; }
#toast.bad { background: var(--noshow); color: #fff; }

@media (max-width: 600px) {
  main { padding: .75rem; }
  .brand span { display: none; }
  .cell { min-width: 8rem; }
}

/* ---------- photos ---------- */
.avatar { border-radius: 50%; object-fit: cover; flex: none; display: inline-flex; align-items: center; justify-content: center; background: var(--plum-soft); }
.avatar.initials { color: var(--plum); font-weight: 700; letter-spacing: .02em; }
.who-head { display: flex; gap: .85rem; align-items: center; }
.photo-edit { display: flex; gap: 1rem; align-items: center; flex-wrap: wrap; }
.results button.res { display: flex; gap: .6rem; align-items: center; }

/* Yes/No toggle switch */
label.switch { display: inline-flex; gap: .6rem; align-items: center; font-size: .95rem; font-weight: 700; color: var(--ink-2); cursor: pointer; min-height: 2.5rem; }
label.switch input { position: absolute; opacity: 0; width: 1px; height: 1px; }
label.switch .track { position: relative; width: 2.6rem; height: 1.5rem; border-radius: 99px; background: var(--blocked-bg); border: 1px solid var(--line); flex: none; transition: background .15s; }
label.switch .track::after { content: ""; position: absolute; top: .12rem; left: .15rem; width: 1.1rem; height: 1.1rem; border-radius: 50%; background: var(--ink-3); transition: transform .15s, background .15s; }
label.switch input:checked + .track { background: var(--showed-bg); border-color: var(--showed); }
label.switch input:checked + .track::after { transform: translateX(1.05rem); background: var(--showed); }
label.switch input:focus-visible + .track { outline: 2px solid var(--focus); outline-offset: 2px; }
label.switch::after { content: "No"; font-weight: 700; color: var(--ink-3); }
label.switch:has(input:checked)::after { content: "Yes"; color: var(--showed); }

/* Read-only note text and pricing readout */
div.field { display: grid; gap: .25rem; font-size: .875rem; color: var(--ink-2); }
div.field > span { font-weight: 700; }
.readnote { white-space: pre-wrap; padding: .45rem .6rem; border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--canvas); color: var(--ink); font-size: .95rem; min-height: 2.5rem; }
.readnote.empty { color: var(--ink-3); font-style: italic; }
.pricing { margin: .35rem 0 0; padding: .25rem .55rem; display: inline-block; border-radius: var(--radius-sm); background: var(--vip-bg); color: var(--vip); font-size: .9rem; }

/* Collapsed run of blocked sessions on the schedule */
tr.blockrow td { padding: 3px; }
button.blocktoggle { display: flex; align-items: center; gap: .6rem; width: 100%; min-height: 2.2rem; padding: .3rem .7rem; text-align: left; cursor: pointer;
  border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--blocked-bg); color: var(--blocked); font: inherit; font-weight: 700; }
button.blocktoggle:hover { border-color: var(--plum); color: var(--plum); }
button.blocktoggle .caret { font-size: 1rem; width: 1rem; flex: none; }
button.blocktoggle .blockcount { margin-left: auto; font-weight: 400; font-size: .8rem; color: var(--ink-3); white-space: nowrap; }
button.blocktoggle[aria-expanded="true"] { background: transparent; border-style: dashed; }