/* Kursplan. Same look as the old stats page (dark default, volt accent),
   but system fonts only: no third-party requests from the browser. */

:root, :root[data-theme="dark"] {
  --bg: #101318; --card: #1A1F26; --card2: #22282F; --line: #262D36;
  --ink: #F3F5F2; --muted: #99A3AB; --faint: #5C6670;
  --accent: #D6F94B; --num: #D6F94B; --on-accent: #151A08;
  --btn-bg: #D6F94B; --btn-bg-hover: #E4FF6E; --btn-ink: #151A08;
  --tabbar: #14181E;
  --warn-bg: rgba(255,154,92,.09); --warn-border: rgba(255,154,92,.3); --warn-ink: #FFB98A;
  --ok: #7FE8A8; --warn: #FFB84D; --bad: #FF7A6B;
  --c0: #D6F94B; --c1: #FF9A5C; --c2: #64D8E8; --c3: #C9B4F0; --c4: #F58FB4; --c5: #7FE8A8;
  color-scheme: dark;
}
:root[data-theme="light"] {
  --bg: #F2F3EF; --card: #FFFFFF; --card2: #ECEEE7; --line: #E1E4DC;
  --ink: #191D14; --muted: #6E7767; --faint: #9AA292;
  --accent: #9DC431; --num: #5A7A1E; --on-accent: #151A08;
  --btn-bg: #191D14; --btn-bg-hover: #2C331F; --btn-ink: #D6F94B;
  --tabbar: #FBFBF9;
  --warn-bg: rgba(240,123,51,.1); --warn-border: rgba(240,123,51,.35); --warn-ink: #A24A12;
  --ok: #2E9E62; --warn: #C98A12; --bad: #D1483A;
  --c0: #9DC431; --c1: #F07B33; --c2: #2FB9CB; --c3: #9F7FD8; --c4: #E5679A; --c5: #3BB980;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 400 14.5px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 520px; margin: 0 auto; padding: 4px 16px 96px; }
a { color: var(--num); text-decoration: none; }
.muted { color: var(--muted); font-weight: 400; }

h1 { font: italic 800 26px/1.05 system-ui, sans-serif; text-transform: uppercase;
  letter-spacing: .02em; margin: 0 0 6px; }
h2 { font: 700 13px system-ui, sans-serif; text-transform: uppercase;
  letter-spacing: .08em; color: var(--muted); margin: 0 0 10px; }
.hint { color: var(--muted); font-size: 13px; line-height: 1.5; }
.note { background: var(--card2); border-radius: 10px; padding: 8px 12px; font-size: 13px; margin: 10px 0 0; }
.line { padding: 4px 0; font-size: 13.5px; }

/* ---- top bar ---- */
.topbar { max-width: 520px; margin: 0 auto; padding: 16px 16px 8px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand .logo { width: 34px; height: 34px; border-radius: 10px; background: var(--c0);
  display: grid; place-items: center; font: italic 800 14px system-ui, sans-serif; color: #151A08; }
.brand .name { font: italic 800 18px system-ui, sans-serif; letter-spacing: .04em; text-transform: uppercase; }
.top-actions { display: flex; align-items: center; gap: 8px; }
.theme-toggle { display: flex; align-items: center; gap: 4px; padding: 3px;
  background: var(--card); border: 1px solid var(--line); border-radius: 999px; }
.theme-toggle button { width: 26px; height: 26px; border-radius: 999px; border: 0; padding: 0;
  display: grid; place-items: center; background: transparent; color: var(--faint); cursor: pointer; }
.theme-toggle button.active { background: var(--c0); color: #151A08; }
.icon-btn { width: 34px; height: 34px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--card); color: var(--muted); display: grid; place-items: center; cursor: pointer;
  font-size: 22px; line-height: 1; overflow: hidden; text-decoration: none; }
.icon-btn:hover { color: var(--ink); }
.icon-btn .avatar-img { width: 100%; height: 100%; object-fit: cover; }
.icon-btn .avatar-txt { font: 700 12px system-ui, sans-serif; }
.icon-btn.help-btn.active { color: var(--ink); border-color: var(--c0); }
.demo-band { background: var(--c0); color: #151A08; font: 600 13px system-ui, sans-serif; text-align: center;
  padding: 7px 16px; }
.demo-band a { color: inherit; text-decoration: underline; }
.demo-wrap { margin-top: 4vh; }
.demo-role { margin-top: 12px; }
.demo-role h2 { margin: 0 0 6px; }
.demo-role p { margin: 0 0 12px; color: var(--muted); }
.demo-role .btn { width: 100%; }
.demo-now { text-align: center; margin: 12px 0 0; }

/* ---- flash, notices ---- */
.flash { max-width: 520px; margin: 0 auto; padding: 0 16px; }
.flash div, .warn { background: var(--warn-bg); border: 1px solid var(--warn-border); color: var(--warn-ink);
  padding: 10px 13px; border-radius: 12px; margin: 8px 0; font-size: 13px; }
.notices { background: var(--card); border: 1px solid var(--c0); border-radius: 16px; padding: 12px 14px; margin: 10px 0; }
.notice { font-size: 13.5px; padding: 4px 0; }
.notice a { color: var(--ink); }
.notices form { margin-top: 8px; }

/* ---- bottom tab bar ---- */
.tabbar { position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 520px; display: flex; border-top: 1px solid var(--line); background: var(--tabbar);
  padding: 10px 12px calc(14px + env(safe-area-inset-bottom, 0px)); z-index: 10; }
.tabbar a { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px;
  color: var(--faint); font: 600 11px system-ui, sans-serif; }
.tabbar a.active { color: var(--num); }

/* ---- cards, buttons, inputs ---- */
.card { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: 16px; margin: 12px 0; }
.link-card { border-color: var(--c0); }
button, .btn { font: inherit; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--btn-bg); color: var(--btn-ink); border: 0; cursor: pointer;
  font: 600 15px system-ui, sans-serif; padding: 11px 22px; border-radius: 999px; text-decoration: none; }
.btn:hover { background: var(--btn-bg-hover); }
.btn-ghost { background: var(--card); border: 1px solid var(--line); color: var(--muted); }
.btn-ghost:hover { background: var(--card2); color: var(--ink); }
.btn-danger { background: transparent; border: 1px solid var(--warn-border); color: var(--warn-ink); }
.btn-danger:hover { background: var(--warn-bg); }
.btn-small { padding: 7px 14px; font-size: 13px; }
label { display: block; font-size: 12.5px; color: var(--muted); margin-bottom: 10px; }
input, select, textarea { font: inherit; width: 100%; padding: 9px 12px; margin-top: 3px;
  border: 1px solid var(--line); border-radius: 12px; background: var(--card2); color: var(--ink); }
input:focus, select:focus, textarea:focus { outline: 1.5px solid var(--accent); outline-offset: -1px; }
input[type="checkbox"] { width: auto; margin: 2px 8px 0 0; }
label.check { display: flex; align-items: flex-start; gap: 4px; font-size: 13px; color: var(--ink); }
textarea { resize: vertical; line-height: 1.45; font-size: 13.5px; }
.save-row { display: flex; gap: 10px; margin: 12px 0 0; align-items: center; }
.save-row.wrap { flex-wrap: wrap; }
.save-row form { margin: 0; }
.inline-form { display: flex; gap: 8px; align-items: flex-end; margin: 0 0 10px; }
.inline-form label { flex: 1; margin: 0; }
.inline-form input, .inline-form select { margin: 0; }
.inline-form .btn { flex: none; }
.copy-row { display: flex; gap: 8px; }
.copy-row input { margin: 0; font-size: 12.5px; }
.copy-row .btn { flex: none; }
.quick { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; }
.quick .btn { padding: 8px 14px; font-size: 13px; }
.edit-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 10px; }
.edit-grid .full { grid-column: 1 / -1; }
.page-head { display: flex; align-items: center; justify-content: space-between; margin: 10px 0 4px; }

/* ---- chips ---- */
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin: 10px 0; align-items: center; }
.chip { position: relative; display: inline-flex; align-items: center;
  background: var(--card); border: 1px solid var(--line); border-radius: 999px; }
.chip select, .chip input { border: 0; background: transparent; margin: 0; width: auto;
  padding: 8px 14px; font: 600 12.5px system-ui, sans-serif; color: var(--muted);
  appearance: none; -webkit-appearance: none; }
.chip select { padding-right: 28px; }
.chip::after { content: ""; position: absolute; right: 12px; pointer-events: none; width: 8px; height: 8px;
  border-right: 2.4px solid var(--muted); border-bottom: 2.4px solid var(--muted);
  transform: rotate(45deg) translateY(-2px); }
.chip.no-caret::after { display: none; }
.chip.set { background: var(--c0); border-color: var(--c0); }
.chip.set select { color: #151A08; }
.chip.set::after { border-color: #151A08; }
.chip-link { padding: 8px 14px; border-radius: 999px; background: var(--card); border: 1px solid var(--line);
  font: 600 12.5px system-ui, sans-serif; color: var(--muted); }
.chip-link.set { background: var(--c0); border-color: var(--c0); color: #151A08; }

/* ---- week ---- */
.week-nav { display: flex; align-items: center; gap: 10px; margin: 8px 0 4px; }
.week-title { flex: 1; text-align: center; }
.week-title h1 { margin: 0; }
.day-label { font: 700 12.5px system-ui, sans-serif; text-transform: uppercase;
  letter-spacing: .1em; color: var(--faint); margin: 16px 0 8px; }
.day-label.today { color: var(--num); }
a.day-label { display: block; text-decoration: none; }
a.day-label:hover { color: var(--ink); }
.day-empty { margin: 0 0 4px 2px; font-size: 12.5px; }

.sess-row { display: flex; align-items: center; gap: 12px; background: var(--card); border: 1px solid var(--line);
  border-radius: 16px; padding: 12px 14px; margin-bottom: 8px; color: var(--ink); }
.sess-row.is-cancelled { opacity: .55; }
.sess-row.is-cancelled .course { text-decoration: line-through; }
.sess-row .cbar { flex: none; width: 4px; height: 40px; border-radius: 2px; }
.sess-row .mid { flex: 1; min-width: 0; }
.sess-row .l1 { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.sess-row .time { font: 800 16px system-ui, sans-serif; }
.sess-row .course { font: 600 14.5px system-ui, sans-serif; }
.sess-row .trainer { font-size: 12.5px; color: var(--muted); margin-top: 2px; }
.sess-row form { margin: 0; }
.sess-row .end-form { margin-top: 8px; }
.sess-row .end-form input { width: auto; flex: 1; }
.end { text-align: right; flex: none; min-width: 44px; }
.end .n { font: italic 800 21px system-ui, sans-serif; line-height: 1; }
.end .n .of { font-size: 13px; font-style: normal; font-weight: 600; color: var(--muted); }
.end .l { font: 500 10px system-ui, sans-serif; color: var(--faint); text-transform: uppercase; letter-spacing: .05em; }
.light-green { color: var(--ok); } .light-yellow { color: var(--warn); } .light-red { color: var(--bad); }
.light-bg-green { background: var(--ok); } .light-bg-yellow { background: var(--warn); } .light-bg-red { background: var(--bad); }

.badge { display: inline-block; font: 600 10.5px system-ui, sans-serif; text-transform: uppercase; letter-spacing: .05em;
  padding: 2px 7px; border-radius: 999px; background: var(--card2); color: var(--muted); vertical-align: middle; }
.badge-ok { background: color-mix(in srgb, var(--ok) 18%, transparent); color: var(--ok); }
.badge-warn { background: color-mix(in srgb, var(--warn) 18%, transparent); color: var(--warn); }
.badge-off { background: color-mix(in srgb, var(--bad) 18%, transparent); color: var(--bad); }
.pill { display: inline-block; font: 700 11px system-ui, sans-serif; padding: 2px 8px; border-radius: 999px; }
.pill-yes { background: var(--c0); color: #151A08; }
.pill-maybe { background: color-mix(in srgb, var(--warn) 22%, transparent); color: var(--warn); }
.pill-wait { background: color-mix(in srgb, var(--c2) 22%, transparent); color: var(--c2); }
.pill-no { background: var(--card2); color: var(--muted); }

/* ---- session detail ---- */
.sess-head { display: flex; align-items: center; gap: 12px; margin: 10px 0 4px; }
.sess-head .cbar { flex: none; width: 5px; height: 56px; border-radius: 3px; }
.sess-head .mid { flex: 1; min-width: 0; }
.sess-head .sub { color: var(--muted); font-size: 13px; }
.sess-head .end .n { font-size: 30px; }
.meter-row { margin: 2px 0 10px; }
.meter { height: 8px; border-radius: 4px; background: var(--card2); overflow: hidden; }
.meter div { height: 100%; border-radius: 4px; transition: width .3s; }

.rsvp-row { display: flex; gap: 8px; }
.rsvp-btn { flex: 1; padding: 13px 6px; border-radius: 14px; border: 1px solid var(--line);
  background: var(--card2); color: var(--ink); font: 700 14px system-ui, sans-serif; cursor: pointer; }
.rsvp-btn.yes.on { background: var(--c0); border-color: var(--c0); color: #151A08; }
.rsvp-btn.maybe.on { background: var(--warn); border-color: var(--warn); color: #151A08; }
.rsvp-btn.no.on { background: var(--faint); border-color: var(--faint); color: #fff; }
.guests { display: flex; align-items: center; gap: 10px; margin: 10px 0 0; }
.guests select { width: auto; margin: 0; }

.people { display: flex; flex-wrap: wrap; gap: 10px 14px; }
.pp { display: flex; align-items: center; gap: 7px; font-size: 13.5px; }
.pname { white-space: nowrap; }
.avatar { flex: none; width: 34px; height: 34px; border-radius: 999px; display: grid; place-items: center;
  font: 700 12px system-ui, sans-serif; color: #151A08; overflow: hidden; }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar.big { width: 72px; height: 72px; font-size: 22px; }
.avatar.paper { background: var(--card2); color: var(--muted); }
.profile-top { display: flex; align-items: center; gap: 16px; margin-bottom: 14px; }
.file-label { margin: 0; flex: 1; }

.manual { display: flex; gap: 6px; flex-wrap: wrap; }
.manual input[type="text"] { flex: 1 1 140px; margin: 0; }
.manual select { width: auto; margin: 0; }
.decide label { margin-top: 6px; }

.log { font-size: 12.5px; }
.log-row { display: grid; grid-template-columns: 92px 1fr; gap: 0 8px; padding: 5px 0; border-top: 1px solid var(--line); }
.log-row:first-child { border-top: 0; }
.log-at { color: var(--faint); white-space: nowrap; grid-row: span 2; }
.log-who { font-weight: 600; }
.log-what { color: var(--muted); overflow-wrap: anywhere; }

.tc-head { display: flex; align-items: center; gap: 8px; margin: 14px 0 0;
  font: 700 13px system-ui, sans-serif; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
.dot { flex: none; width: 9px; height: 9px; border-radius: 999px; }
.cs-0 { background: var(--c0); } .cs-1 { background: var(--c1); } .cs-2 { background: var(--c2); }
.cs-3 { background: var(--c3); } .cs-4 { background: var(--c4); } .cs-5 { background: var(--c5); }

/* ---- login ---- */
.login-wrap { max-width: 340px; margin: 10vh auto 0; text-align: center; }
.login-wrap .logo { width: 58px; height: 58px; border-radius: 18px; background: var(--c0); margin: 0 auto 14px;
  display: grid; place-items: center; font: italic 800 22px system-ui, sans-serif; color: #151A08; }
.login-wrap form { text-align: left; margin-top: 18px; }
.login-wrap .btn { width: 100%; margin-top: 12px; }

.uk-legal { padding: 22px 16px 96px; text-align: center; font-size: 11px; letter-spacing: .04em; opacity: .55; }
.uk-legal a { color: inherit; }

@media (max-width: 380px) {
  .edit-grid { grid-template-columns: 1fr; }
  .rsvp-btn { font-size: 13px; padding: 12px 4px; }
}

/* help page */
.help h3 { font: 600 14px system-ui, sans-serif; margin: 14px 0 4px; }
.help ul { margin: 0; padding-left: 18px; }
.help li { margin: 4px 0; font-size: 14px; line-height: 1.5; }
.help .card > h2 + h3 { margin-top: 6px; }

/* month calendar */
.cal { display: grid; grid-template-columns: repeat(7, 1fr); gap: 4px; margin-top: 8px; }
.cal .wd { text-align: center; font: 700 11px system-ui, sans-serif; text-transform: uppercase;
  letter-spacing: .08em; color: var(--faint); padding: 4px 0; }
.cal .wd:nth-child(n+6) { color: var(--muted); }
.cal-day { display: flex; flex-direction: column; align-items: center; gap: 4px; min-height: 56px;
  padding: 6px 2px; border-radius: 12px; background: var(--card); border: 1px solid var(--line);
  text-decoration: none; color: var(--ink); }
.cal-day .n { font: 600 14px system-ui, sans-serif; line-height: 1; }
.cal-day.out { opacity: .4; }
.cal-day.today { border-color: var(--num); }
.cal-day.today .n { color: var(--num); font-weight: 800; }
.cal-day.off { background: transparent; }
.cal-day .dots { display: flex; gap: 3px; min-height: 7px; }
.cal-day .dots i { width: 7px; height: 7px; border-radius: 50%; display: block; }
.cal-day.gone .dots i { opacity: .35; }
.cal-day .cnt { font-size: 10.5px; color: var(--muted); line-height: 1; }
.day-edit { margin: -6px 0 10px 18px; font-size: 12.5px; }