/* ==========================================================================
   Marketing for the Arts — running-a-class-from-your-phone stylesheet.
   390px first. Dark by default. No layout logic lives in course-data.js.
   ========================================================================== */

/* ---------------------------------------------------------------- TOKENS */
:root {
  --bg:        #14130f;
  --bg-soft:   #1a1815;
  --surface:   #1e1c18;
  --surface-2: #26231d;
  --line:      #34302a;
  --line-soft: #262320;
  --text:      #f2eee6;
  --text-mid:  #b9b1a4;
  --text-dim:  #8b8377;
  --accent:    #e8a33d;
  --accent-ink:#1a1408;
  --accent-wash: rgba(232,163,61,.13);
  --accent-line: rgba(232,163,61,.42);
  --alarm:     #e2695c;
  --alarm-wash: rgba(226,105,92,.15);

  --sans:  -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Book Antiqua", Georgia, "Times New Roman", serif;
  --mono:  ui-monospace, "SF Mono", SFMono-Regular, Menlo, Consolas, monospace;

  --r:   14px;
  --r-s: 10px;
  --tap: 44px;
  --pad: 20px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
}

html[data-theme="light"] {
  --bg:        #faf7f1;
  --bg-soft:   #f3efe6;
  --surface:   #ffffff;
  --surface-2: #f4f0e8;
  --line:      #ddd6c8;
  --line-soft: #e9e3d7;
  --text:      #1d1b16;
  --text-mid:  #55503f;
  --text-dim:  #7c7566;
  --accent:    #a2660b;
  --accent-ink:#ffffff;
  --accent-wash: rgba(162,102,11,.10);
  --accent-line: rgba(162,102,11,.38);
  --alarm:     #b3392c;
  --alarm-wash: rgba(179,57,44,.10);
}

/* ----------------------------------------------------------------- RESET */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 18px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
}
h1, h2, h3, h4, p, ol, ul, figure { margin: 0; }
ol, ul { padding: 0; list-style: none; }
button { font: inherit; color: inherit; background: none; border: 0; cursor: pointer; }
[hidden] { display: none !important; }
input, textarea { font: inherit; color: inherit; }
code { font-family: var(--mono); font-size: .88em; background: var(--surface-2);
       padding: .12em .38em; border-radius: 5px; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* --------------------------------------------------------------- TOP BAR */
.topbar {
  position: sticky; top: 0; z-index: 40;
  padding-top: var(--safe-t);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-bottom: 1px solid var(--line-soft);
}
.topbar-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px var(--pad) 4px;
}
.brand {
  font-family: var(--serif);
  font-size: 19px; font-weight: 400; letter-spacing: .01em;
  flex: 1; min-width: 0;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.icon-btn {
  width: var(--tap); height: var(--tap);
  flex: 0 0 var(--tap);
  display: grid; place-items: center;
  border-radius: 50%;
  color: var(--text-mid);
}
.icon-btn:active { background: var(--surface-2); }

.icon-moon {
  width: 17px; height: 17px; border-radius: 50%;
  box-shadow: inset -5px 2px 0 0 currentColor;
  transform: rotate(-22deg);
}
html[data-theme="light"] .icon-moon {
  border-radius: 50%; box-shadow: none;
  background: currentColor; width: 11px; height: 11px;
  transform: none;
  outline: 2px solid currentColor; outline-offset: 3px;
}
.icon-x { width: 18px; height: 18px; position: relative; }
.icon-x::before, .icon-x::after {
  content: ""; position: absolute; inset: 50% 0 auto 0; height: 2px;
  background: currentColor; border-radius: 2px;
}
.icon-x::before { transform: rotate(45deg); }
.icon-x::after  { transform: rotate(-45deg); }

/* ------------------------------------------------------------------ TABS */
.tabs { display: flex; gap: 26px; padding: 0 var(--pad); }
.tab {
  min-height: var(--tap);
  padding: 0 0 10px;
  font-size: 15px; letter-spacing: .05em; text-transform: uppercase;
  color: var(--text-dim);
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}
.tab[aria-selected="true"] { color: var(--text); border-bottom-color: var(--accent); }

/* ------------------------------------------------------------------ VIEW */
.view { padding: 0 var(--pad); max-width: 720px; margin: 0 auto; }
.view-note { color: var(--text-dim); font-size: 15px; padding: 18px 0 4px; }
.scroll-pad { height: calc(150px + var(--safe-b)); }

/* ------------------------------------------------------------- WEEK LIST */
.week-list { padding-top: 4px; }
.week-row {
  display: flex; align-items: stretch;
  border-bottom: 1px solid var(--line-soft);
}
.week-open {
  flex: 1; min-width: 0;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: baseline;
  text-align: left;
  padding: 17px 6px 17px 0;
  min-height: var(--tap);
}
.week-open:active { background: var(--surface); }
.week-num {
  font-family: var(--mono);
  font-size: 14px; letter-spacing: .04em;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}
.week-main { min-width: 0; }
.week-title {
  font-family: var(--serif);
  font-size: 20px; font-weight: 400; line-height: 1.3;
  letter-spacing: .005em;
}
.week-meta {
  margin-top: 5px;
  font-size: 14.5px; color: var(--text-dim);
  display: flex; flex-wrap: wrap; gap: 6px; align-items: center;
}
.week-dot { color: var(--line); }
.week-stub { color: var(--text-dim); font-style: italic; }

.week-row[data-current="1"] .week-num { color: var(--accent); }
.week-row[data-current="1"] .week-title { color: var(--accent); }

.week-mark {
  flex: 0 0 var(--tap); width: var(--tap);
  display: grid; place-items: center;
  color: var(--line);
}
.week-mark .pip {
  width: 11px; height: 11px; border-radius: 50%;
  border: 1.5px solid currentColor;
}
.week-row[data-current="1"] .week-mark { color: var(--accent); }
.week-row[data-current="1"] .week-mark .pip { background: var(--accent); }
.week-mark:active { color: var(--text-mid); }

/* --------------------------------------------------------- SESSION HEAD */
.session-head { padding: 14px 0 4px; }
.back-btn {
  display: inline-flex; align-items: center; gap: 9px;
  min-height: var(--tap); margin-left: -4px; padding-right: 8px;
  font-size: 15.5px; color: var(--text-dim);
}
.arrow {
  width: 9px; height: 9px;
  border-left: 1.8px solid currentColor; border-bottom: 1.8px solid currentColor;
  transform: rotate(45deg); margin-top: 1px;
}
.session-kicker {
  font-family: var(--mono); font-size: 13.5px;
  letter-spacing: .1em; text-transform: uppercase;
  color: var(--accent); padding-top: 8px;
}
.session-title {
  font-family: var(--serif);
  font-size: 30px; line-height: 1.18; font-weight: 400;
  letter-spacing: -.005em;
  padding: 6px 0 4px;
}

/* -------------------------------------------------------------- THE CLOCK */
.clock {
  margin: 16px 0 22px;
  padding: 14px 16px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r);
}
.clock-grid {
  display: grid; grid-template-columns: minmax(0,1fr) auto;
  gap: 8px 14px; align-items: start;
}
.clock-label {
  display: block;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim);
  padding-bottom: 7px;
}
.clock-start-row { display: flex; align-items: center; gap: 8px; }
.time-input {
  flex: 1 1 auto; min-width: 0; max-width: 170px;
  background: var(--surface-2);
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  padding: 8px 7px;
  font-size: 16px; font-variant-numeric: tabular-nums;
  min-height: var(--tap);
}
.clock-end { text-align: right; }
.clock-end strong {
  display: block; white-space: nowrap;
  font-size: 22px; font-weight: 600; font-variant-numeric: tabular-nums;
  line-height: 1.85;
}
.clock-meta {
  display: flex; align-items: center;
  padding-top: 10px; margin-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 14.5px; color: var(--text-dim);
  justify-content: space-between;
}
.drift { font-variant-numeric: tabular-nums; font-weight: 600; }
.drift[data-state="over"] { color: var(--alarm); }
.drift[data-state="under"] { color: var(--accent); }

/* ------------------------------------------------------------------ CARDS */
.card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: var(--surface);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color .2s, background .2s;
}
.card[data-active="1"] {
  border-color: var(--accent-line);
  background: var(--bg-soft);
  box-shadow: 0 0 0 1px var(--accent-line);
}
.card-head {
  display: grid;
  grid-template-columns: minmax(0,1fr) auto;
  gap: 4px 14px;
  align-items: start;
  width: 100%; text-align: left;
  padding: 15px 16px;
  min-height: var(--tap);
}
.card-kicker {
  grid-column: 1 / -1;
  font-family: var(--mono); font-size: 12px;
  letter-spacing: .11em; text-transform: uppercase;
  color: var(--text-dim);
  display: flex; flex-wrap: wrap; gap: 8px; align-items: center;
}
.card[data-active="1"] .card-kicker { color: var(--accent); }
.kick-sep { opacity: .45; }
.card-title {
  grid-column: 1 / -1; grid-row: 2;
  font-family: var(--serif);
  font-size: 21px; font-weight: 400; line-height: 1.28;
  padding-top: 3px;
}
.card-clock {
  grid-column: 1; grid-row: 3;
  font-family: var(--mono); font-size: 13.5px;
  color: var(--text-dim); font-variant-numeric: tabular-nums;
  white-space: nowrap; padding-top: 7px; align-self: center;
}
.card-clock:empty { display: none; }
.chev {
  grid-column: 2; grid-row: 3;
  justify-self: end; align-self: center; margin-top: 6px;
  width: 10px; height: 10px;
  border-right: 1.8px solid var(--text-dim);
  border-bottom: 1.8px solid var(--text-dim);
  transform: rotate(45deg);
  transition: transform .2s;
}
.card[data-open="1"] .chev { transform: rotate(-135deg); margin-top: 0; }

.card-body { padding: 0 16px 18px; display: none; }
.card[data-open="1"] .card-body { display: block; }

/* ------------------------------------------------------------ CARD PARTS */
.b-lead {
  font-family: var(--serif);
  font-size: 21px; line-height: 1.45; color: var(--text);
  padding: 4px 0 12px;
}
.b-quote {
  font-family: var(--serif);
  font-size: 23px; line-height: 1.4;
  padding: 6px 0 14px 16px;
  border-left: 2px solid var(--accent-line);
}
.b-sub {
  font-size: 16.5px; color: var(--text-mid);
  padding: 2px 0 12px;
}
.b-label {
  font-family: var(--mono); font-size: 12px;
  letter-spacing: .11em; text-transform: uppercase;
  color: var(--text-dim);
  padding: 14px 0 8px;
}
.b-list { display: grid; gap: 2px; }
.b-list li {
  display: grid; grid-template-columns: 26px 1fr; gap: 4px;
  padding: 9px 0; font-size: 18px; line-height: 1.5;
  border-bottom: 1px solid var(--line-soft);
}
.b-list li:last-child { border-bottom: 0; }
.b-list .n {
  font-family: var(--mono); font-size: 13.5px; color: var(--text-dim);
  padding-top: 4px; font-variant-numeric: tabular-nums;
}
.b-q { width: 100%; text-align: left; min-height: var(--tap);
       font-family: var(--serif); font-size: 19.5px; line-height: 1.42; }
.b-q:active { color: var(--accent); }
.b-note {
  display: block; margin-top: 8px;
  font-family: var(--mono); font-size: 14.5px; line-height: 1.6;
  color: var(--accent);
  background: var(--accent-wash);
  border-radius: var(--r-s);
  padding: 10px 12px;
}
.b-steps { display: grid; gap: 14px; padding-top: 4px; }
.b-step-label {
  font-family: var(--serif); font-size: 19px;
  display: grid; grid-template-columns: 26px 1fr; gap: 4px;
}
.b-step-label .n { font-family: var(--mono); font-size: 13.5px; color: var(--text-dim); padding-top: 5px; }
.b-substeps { padding: 6px 0 0 26px; display: grid; gap: 8px; }
.b-substeps li {
  font-size: 17px; line-height: 1.5; color: var(--text-mid);
  padding-left: 14px; position: relative;
}
.b-substeps li::before {
  content: ""; position: absolute; left: 0; top: .68em;
  width: 5px; height: 5px; border-radius: 50%; background: var(--line);
}
.b-task {
  margin-top: 14px; padding: 13px 14px;
  border: 1px dashed var(--line);
  border-radius: var(--r-s);
  font-size: 17.5px; line-height: 1.5; color: var(--text-mid);
}

/* scenario previews */
.b-cards { display: grid; gap: 8px; padding-top: 4px; }
.b-card-mini {
  width: 100%; text-align: left;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--surface-2);
  min-height: var(--tap);
}
.b-card-mini:active { border-color: var(--accent-line); }
.b-card-mini .lab {
  font-family: var(--mono); font-size: 12px;
  letter-spacing: .11em; text-transform: uppercase; color: var(--accent);
}
.b-card-mini .hd { font-family: var(--serif); font-size: 18px; padding-top: 3px; }
.b-card-mini .tx { font-size: 16.5px; line-height: 1.45; color: var(--text-mid); padding-top: 4px; }

/* reference table */
.b-ref { display: grid; gap: 1px; background: var(--line-soft);
         border: 1px solid var(--line-soft); border-radius: var(--r-s); overflow: hidden; }
.b-ref-head { display: none; }
.b-ref-row { display: grid; gap: 1px; background: var(--line-soft); }
.b-ref-cell { background: var(--surface); padding: 12px 14px; font-size: 17px; line-height: 1.45; }
.b-ref-cell .t {
  display: block; font-family: var(--mono); font-size: 11.5px;
  letter-spacing: .11em; text-transform: uppercase; color: var(--text-dim);
  padding-bottom: 4px;
}
.b-ref-cell[data-side="new"] .t { color: var(--accent); }
.b-ref-cell[data-raw="1"] { color: var(--text-mid); }

/* deliverable */
.b-due {
  display: inline-block;
  font-family: var(--mono); font-size: 13px; letter-spacing: .08em;
  color: var(--accent-ink); background: var(--accent);
  padding: 5px 11px; border-radius: 100px; margin-bottom: 11px;
}
.b-deliv {
  margin-top: 12px; padding-top: 12px;
  border-top: 1px solid var(--line-soft);
  font-size: 17px; color: var(--text-mid);
}
.b-deliv b { color: var(--text); font-weight: 600; }

/* twist */
.b-twist-intro { font-size: 17.5px; color: var(--text-mid); padding-bottom: 12px; }
.reveal-wrap { position: relative; }
.reveal-body {
  padding: 18px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-s);
  background: var(--surface-2);
}
.reveal-quote { font-family: var(--serif); font-size: 22px; line-height: 1.4; }
.reveal-follow { padding-top: 14px; font-size: 18px; color: var(--text-mid); line-height: 1.5; }
.card[data-revealed="0"] .reveal-body {
  filter: blur(9px);
  user-select: none; pointer-events: none;
}
.reveal-btn {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  border-radius: var(--r-s);
  background: color-mix(in srgb, var(--surface) 62%, transparent);
}
.reveal-btn span {
  font-family: var(--mono); font-size: 14px;
  letter-spacing: .16em; text-transform: uppercase;
  color: var(--accent-ink); background: var(--accent);
  padding: 14px 26px; border-radius: 100px;
  min-height: var(--tap); display: grid; place-items: center;
}
.card[data-revealed="1"] .reveal-btn { display: none; }
.card[data-revealed="0"] .b-actions { display: none; }

@media (prefers-reduced-motion: reduce) {
  .card[data-open="1"] .chev, .chev { transition: none; }
}

/* -------------------------------------------------------- ACTIONS / BTNS */
.b-actions { display: flex; flex-wrap: wrap; gap: 9px; padding-top: 15px; }
.btn {
  min-height: var(--tap); padding: 0 20px;
  border-radius: 100px;
  display: inline-grid; place-items: center;
  font-size: 16px;
}
.btn-tiny { min-height: 38px; padding: 0 12px; font-size: 14.5px; white-space: nowrap;
            border: 1px solid var(--line); color: var(--text-mid); }
.btn-accent {
  background: var(--accent-wash); border: 1px solid var(--accent-line); color: var(--accent);
  font-weight: 600;
}
.btn-next {
  width: 100%; min-height: 56px;
  background: var(--accent); color: var(--accent-ink);
  font-size: 18px; font-weight: 600; letter-spacing: .01em;
}
.btn-next:disabled { opacity: .4; }

/* --------------------------------------------------------------- NEXTBAR */
.nextbar {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 45;
  padding: 10px var(--pad) calc(12px + var(--safe-b));
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: saturate(140%) blur(14px);
  -webkit-backdrop-filter: saturate(140%) blur(14px);
  border-top: 1px solid var(--line);
  max-width: 720px; margin: 0 auto;
}
.nextbar-peek {
  font-size: 15px; color: var(--text-dim);
  padding-bottom: 9px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.nextbar-peek b { color: var(--text-mid); font-weight: 600; }

/* ------------------------------------------------------------ EMPTY STATE */
.empty {
  text-align: center; padding: 46px 20px 40px;
  border: 1px dashed var(--line); border-radius: var(--r);
  margin-bottom: 4px;
}
.empty-mark { font-family: var(--serif); font-size: 34px; color: var(--line); line-height: 1; }
.empty-title { font-family: var(--serif); font-size: 22px; padding-top: 12px; }
.empty-body { font-size: 16.5px; color: var(--text-dim); padding-top: 8px; line-height: 1.5; }

/* --------------------------------------------------------------- PROJECT */
.p-head { padding: 20px 0 6px; }
.p-kicker {
  font-family: var(--mono); font-size: 13.5px;
  letter-spacing: .1em; text-transform: uppercase; color: var(--accent);
}
.p-title {
  font-family: var(--serif); font-size: 32px; font-weight: 400;
  line-height: 1.15; padding: 6px 0 14px;
}
.p-intro p {
  font-family: var(--serif); font-size: 19.5px; line-height: 1.55;
  color: var(--text-mid); padding-bottom: 14px;
}
.p-sections { display: grid; gap: 10px; padding-top: 12px; }
.p-sec {
  border: 1px solid var(--line); border-radius: var(--r);
  background: var(--surface); overflow: hidden;
}
.p-sec-head {
  width: 100%; text-align: left; padding: 15px 16px;
  min-height: var(--tap);
  display: grid; grid-template-columns: 26px 1fr auto; gap: 12px; align-items: center;
}
.p-sec-head .n { font-family: var(--mono); font-size: 13px; color: var(--text-dim); }
.p-sec-head .t { font-family: var(--serif); font-size: 20px; line-height: 1.25; }
.p-sec-body { display: none; padding: 0 16px 18px 54px; }
.p-sec[data-open="1"] .p-sec-body { display: block; }
.p-sec-body p { font-size: 17.5px; line-height: 1.55; color: var(--text-mid); }
.p-sec[data-plain="1"] .p-sec-head { grid-template-columns: 26px 1fr; }
.p-outro { padding: 24px 0 0; }
.p-outro p { font-size: 17.5px; line-height: 1.55; color: var(--text-mid); padding-bottom: 12px; }
.p-rule { height: 1px; background: var(--line); margin: 34px 0 0; }

/* --------------------------------------------------------- FOCUS OVERLAY */
.focus {
  position: fixed; inset: 0; z-index: 60;
  background: var(--bg);
  display: flex; flex-direction: column;
  padding: calc(6px + var(--safe-t)) 0 calc(6px + var(--safe-b));
}
.focus-top {
  display: flex; align-items: center; gap: 10px;
  padding: 4px 12px 4px var(--pad);
  flex: 0 0 auto;
}
.focus-kicker {
  flex: 1; min-width: 0;
  font-family: var(--mono); font-size: 12.5px;
  letter-spacing: .12em; text-transform: uppercase; color: var(--text-dim);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.focus-stage {
  flex: 1; min-height: 0; overflow-y: auto;
  display: flex; flex-direction: column; justify-content: center;
  padding: 16px 22px;
  -webkit-overflow-scrolling: touch;
}
.focus-label {
  font-family: var(--mono);
  font-size: clamp(14px, 3.6vw, 18px);
  letter-spacing: .14em; text-transform: uppercase;
  color: var(--accent);
  padding-bottom: 20px;
}
.focus-label:empty { display: none; }
.focus-text {
  font-family: var(--serif);
  font-size: clamp(29px, 7.4vw, 54px);
  line-height: 1.22;
  letter-spacing: -.012em;
  text-wrap: balance;
}
.focus-note {
  margin-top: 22px; padding: 14px 16px;
  font-family: var(--mono);
  font-size: clamp(16px, 3.9vw, 22px); line-height: 1.5;
  color: var(--accent); background: var(--accent-wash);
  border-radius: var(--r-s);
}
.focus-note:empty { display: none; }
.focus-bottom {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: 12px;
  padding: 10px var(--pad) 4px;
  border-top: 1px solid var(--line-soft);
}
.focus-nav {
  min-height: 54px; padding: 0 24px;
  border: 1px solid var(--line); border-radius: 100px;
  font-size: 17px; color: var(--text-mid);
  background: var(--surface);
}
.focus-nav:disabled { opacity: .32; }
.focus-nav:last-of-type { margin-left: auto; }
.focus-count {
  font-family: var(--mono); font-size: 14.5px; color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

/* ------------------------------------------------------------ WIDER VIEW */
@media (min-width: 700px) {
  :root { --pad: 32px; }
  .session-title { font-size: 36px; }
  .brand { font-size: 21px; }
  .b-ref-row { grid-template-columns: 1fr 1fr; }
  .b-ref-row[data-raw="1"] { grid-template-columns: 1fr; }
  .card-head { grid-template-columns: minmax(0,1fr) auto auto; align-items: center; }
  .card-title { grid-column: 1; grid-row: 2; }
  .card-clock { grid-column: 2; grid-row: 2; padding-top: 0; }
  .chev { grid-column: 3; grid-row: 2; margin-top: 0; margin-left: 16px; }
  .nextbar { border-radius: var(--r) var(--r) 0 0; border-left: 1px solid var(--line);
             border-right: 1px solid var(--line); }
}