:root {
  --desk: #2a2420;
  --desk-2: #3a312a;
  --paper: #fbf8f1;
  --paper-2: #f3eee2;
  --ink: #1d1b19;
  --ink-soft: #6f6a62;
  --line: #cfc8b8;
  --pen: #1f4fbf;
  --stamp: #c8322b;
  --marker: #ffe873;
  --mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, monospace;
  --hand: "Caveat", "Comic Sans MS", cursive;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(ellipse 70% 45% at 50% 0%, #4a3f36 0%, transparent 70%),
    var(--desk);
  color: var(--ink);
  font: 400 14.5px/1.55 var(--mono);
  padding: 0 10px 110px;
}

a { color: inherit; }

/* printer slot the receipt comes out of */
.printer {
  position: relative;
  z-index: 2;
  width: min(100%, 470px);
  height: 26px;
  margin: 14px auto 0;
  border-radius: 10px 10px 6px 6px;
  background: linear-gradient(#141110, #24201d);
  box-shadow: 0 6px 14px rgba(0, 0, 0, .45), inset 0 -3px 0 #0b0a09;
}
.printer::after {
  content: "";
  position: absolute;
  left: 14px; right: 14px; bottom: 7px;
  height: 3px;
  border-radius: 2px;
  background: #000;
}
.printer .led {
  position: absolute;
  right: 18px; top: 6px;
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #4cd964;
  box-shadow: 0 0 6px #4cd964;
}

.sheet-wrap {
  width: min(100%, 440px);
  margin: -8px auto 0;
  filter: drop-shadow(0 10px 18px rgba(0, 0, 0, .45));
}

.sheet {
  position: relative;
  background:
    repeating-linear-gradient(0deg, transparent 0 27px, rgba(0, 0, 0, .012) 27px 28px),
    var(--paper);
  padding: 30px 20px 26px;
  animation: print 1.3s cubic-bezier(.3, .7, .2, 1) both;
}
/* torn bottom edge */
.sheet::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -9px;
  height: 10px;
  background:
    linear-gradient(135deg, var(--paper) 50%, transparent 50%) 0 0 / 14px 10px repeat-x,
    linear-gradient(-135deg, var(--paper) 50%, transparent 50%) 0 0 / 14px 10px repeat-x;
}

@keyframes print {
  from { clip-path: inset(0 -40px 100% -40px); transform: translateY(-30px); }
  to   { clip-path: inset(0 -40px -40px -40px); transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .sheet, .stamp, .note { animation: none !important; }
}

/* type */
.center { text-align: center; }
.soft { color: var(--ink-soft); }
.small { font-size: 12.5px; }
.up { text-transform: uppercase; letter-spacing: .06em; }
.b { font-weight: 700; }

.brand {
  margin: 0;
  font-size: 30px;
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: .02em;
  text-align: center;
}
.brand small {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  font-weight: 400;
  letter-spacing: .12em;
  color: var(--ink-soft);
}

h2 {
  margin: 0 0 10px;
  font-size: 14.5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .08em;
}

p { margin: 0 0 10px; }

.cut {
  height: 0;
  margin: 18px 0;
  border: 0;
  border-top: 2px dashed var(--line);
}
.cut.double {
  border-top: 3px double var(--ink);
}

/* item rows with dotted leaders */
.row {
  display: flex;
  align-items: flex-end;
  gap: 6px;
  margin: 6px 0;
}
.row .k { flex: 0 1 auto; }
.row .dots {
  flex: 1 1 18px;
  min-width: 18px;
  border-bottom: 2px dotted #b9b2a3;
  transform: translateY(-6px);
}
.row .v { flex: 0 0 auto; white-space: nowrap; font-variant-numeric: tabular-nums; }
.row .n { color: var(--ink-soft); flex: 0 0 auto; align-self: flex-start; }

.meta { display: flex; justify-content: space-between; gap: 10px; font-size: 12.5px; color: var(--ink-soft); }

.total {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 10px;
  font-size: 22px;
  font-weight: 700;
}
.strike { text-decoration: line-through; text-decoration-thickness: 2px; }

.mark {
  background: linear-gradient(transparent 45%, var(--marker) 45%, var(--marker) 88%, transparent 88%);
  padding: 0 2px;
}

/* handwritten pen notes */
.note {
  font-family: var(--hand);
  color: var(--pen);
  font-size: 22px;
  line-height: 1.1;
  font-weight: 600;
  display: inline-block;
  transform: rotate(-4deg);
}
.note.r { transform: rotate(3deg); }
.circled {
  position: relative;
  padding: 2px 8px;
}
.circled::before {
  content: "";
  position: absolute;
  inset: -4px -6px;
  border: 2px solid var(--pen);
  border-radius: 50% 45% 55% 48% / 60% 50% 52% 45%;
  transform: rotate(-3deg);
}

/* red rubber stamp */
.stamp {
  display: inline-block;
  padding: 4px 10px;
  border: 3px solid var(--stamp);
  border-radius: 6px;
  color: var(--stamp);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  transform: rotate(-8deg);
  opacity: .85;
  mix-blend-mode: multiply;
  -webkit-mask-image: radial-gradient(circle at 30% 40%, #000 60%, rgba(0, 0, 0, .55) 100%);
          mask-image: radial-gradient(circle at 30% 40%, #000 60%, rgba(0, 0, 0, .55) 100%);
}
.stamp.big {
  font-size: 30px;
  padding: 6px 18px;
  border-width: 4px;
  animation: thump .5s .9s cubic-bezier(.2, 1.6, .4, 1) both;
}
@keyframes thump {
  from { transform: rotate(-8deg) scale(2.4); opacity: 0; }
  to   { transform: rotate(-8deg) scale(1); opacity: .85; }
}

/* buttons */
.btn {
  display: block;
  width: 100%;
  padding: 16px 18px;
  border: 0;
  border-radius: 4px;
  background: var(--ink);
  color: var(--paper);
  font: 700 16px/1.2 var(--mono);
  letter-spacing: .1em;
  text-transform: uppercase;
  text-align: center;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 4px 0 #000;
  transition: transform .08s, box-shadow .08s;
}
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 #000; }
.btn:focus-visible, a:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 3px solid var(--pen);
  outline-offset: 3px;
}
.btn.ghost {
  background: transparent;
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: none;
}

/* lessons */
.lessons { list-style: none; margin: 0; padding: 0; }
.lessons li { position: relative; }
.lessons .row { margin: 9px 0; }
.lessons .side-note {
  display: block;
  width: fit-content;
  margin: -8px 0 4px auto;
  font-size: 20px;
}

/* photo slot (user will add their own photo) */
.photo {
  float: left;
  width: 96px;
  height: 116px;
  margin: 4px 14px 6px 0;
  border: 2px dashed var(--line);
  background: var(--paper-2);
  display: grid;
  place-items: center;
  text-align: center;
  font-size: 11px;
  color: var(--ink-soft);
  transform: rotate(-2deg);
  object-fit: cover;
}
.clear::after { content: ""; display: block; clear: both; }

/* FAQ */
details { border-bottom: 1px dashed var(--line); padding: 10px 0; }
details:last-child { border-bottom: 0; }
summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  display: flex;
  gap: 10px;
}
summary::-webkit-details-marker { display: none; }
summary::before { content: "+"; flex: 0 0 auto; color: var(--ink-soft); }
details[open] summary::before { content: "-"; }
details p { margin: 8px 0 2px 22px; }

/* coming-soon items */
.soon .row { color: var(--ink-soft); }
.soon .v { font-size: 12px; border: 1px solid var(--ink-soft); padding: 0 5px; border-radius: 3px; }

/* barcode */
.barcode {
  height: 54px;
  margin: 8px auto 4px;
  width: 82%;
  background: repeating-linear-gradient(90deg,
    var(--ink) 0 2px, transparent 2px 4px, var(--ink) 4px 5px, transparent 5px 8px,
    var(--ink) 8px 11px, transparent 11px 12px, var(--ink) 12px 13px, transparent 13px 16px,
    var(--ink) 16px 17px, transparent 17px 19px, var(--ink) 19px 22px, transparent 22px 23px);
}

.legal { font-size: 12px; color: var(--ink-soft); text-align: center; }
.legal a { margin: 0 4px; }

/* placeholders the owner must fill before the merchant review */
.todo {
  background: var(--marker);
  outline: 1px dashed #b39b00;
  padding: 0 3px;
  white-space: nowrap;
}

/* form on the checkout receipt */
.field { margin: 0 0 16px; }
.field label { display: block; font-size: 12.5px; color: var(--ink-soft); text-transform: uppercase; letter-spacing: .06em; }
.field input {
  width: 100%;
  padding: 8px 0 6px;
  border: 0;
  border-bottom: 2px solid var(--ink);
  border-radius: 0;
  background: transparent;
  color: var(--pen);
  font: 600 24px/1.2 var(--hand);
}
.field input::placeholder { color: #b9b2a3; }
.field .err { display: none; color: var(--stamp); font-size: 12.5px; margin-top: 4px; }
.field.bad .err { display: block; }
.field.bad input { border-bottom-color: var(--stamp); }

.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; margin: 6px 0 18px; }
.check input { width: 20px; height: 20px; margin: 1px 0 0; accent-color: var(--ink); flex: 0 0 auto; }

.notice {
  display: none;
  margin-top: 16px;
  padding: 12px;
  border: 2px dashed var(--stamp);
  font-size: 13px;
}
.notice.show { display: block; }

/* sticky pay bar on phones */
.paybar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 10;
  display: flex;
  justify-content: center;
  padding: 10px 10px calc(10px + env(safe-area-inset-bottom));
  background: linear-gradient(transparent, rgba(20, 17, 15, .92) 30%);
  transform: translateY(110%);
  transition: transform .25s ease;
}
.paybar.show { transform: none; }
.paybar a {
  width: min(100%, 440px);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 14px 18px;
  background: var(--paper);
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
  border-radius: 4px;
  box-shadow: 0 -2px 0 var(--ink) inset;
}
.paybar a span:last-child { background: var(--ink); color: var(--paper); padding: 6px 12px; border-radius: 3px; letter-spacing: .08em; }

/* plain text pages (oferta, privacy) */
.doc h2 { margin-top: 22px; }
.doc p, .doc li { font-size: 13.5px; }
.doc ol, .doc ul { padding-left: 20px; margin: 0 0 10px; }
.back { display: inline-block; margin-bottom: 16px; font-size: 13px; }

/* laptop: more room around the receipt, slightly bigger type */
@media (min-width: 760px) {
  body { font-size: 15px; padding-bottom: 60px; }
  .sheet { padding: 38px 34px 30px; }
  .printer { margin-top: 40px; }
  .paybar { display: none; }
}


/* course page: player on the desk + lesson receipt */
.course {
  width: min(100%, 1100px);
  margin: 14px auto 0;
  display: grid;
  gap: 18px;
}
.screen {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #0d0c0b;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 0 0 6px #141110, 0 14px 30px rgba(0, 0, 0, .55);
}
.screen iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.screen .empty {
  position: absolute; inset: 0;
  display: grid; place-items: center;
  padding: 20px;
  text-align: center;
  color: #8d867b;
  font-size: 13px;
}
.wm {
  position: absolute;
  z-index: 2;
  pointer-events: none;
  color: rgba(255, 255, 255, .28);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .05em;
  text-shadow: 0 0 2px rgba(0, 0, 0, .5);
  transition: top 1.2s ease, left 1.2s ease;
  white-space: nowrap;
}
.now { color: #efe9dc; padding: 14px 4px 0; }
.now h1 { margin: 0 0 4px; font-size: 18px; line-height: 1.3; }
.now .soft { color: #a49c8f; }
.now .ctrl { display: flex; gap: 10px; margin-top: 12px; }
.now .ctrl .btn { padding: 12px; font-size: 13px; box-shadow: none; }
.now .ctrl .btn.ghost { color: #efe9dc; border-color: #efe9dc; }
.now .ctrl .btn.light { background: var(--paper); color: var(--ink); }

.course .sheet-wrap { margin-top: 0; }
.lesson-btn {
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.lesson-btn .row { margin: 0; padding: 9px 4px; }
.lesson-btn.cur .row { background: linear-gradient(transparent 8%, var(--marker) 8%, var(--marker) 92%, transparent 92%); }
.lesson-btn .box { flex: 0 0 auto; align-self: flex-start; color: var(--ink-soft); }
.lesson-btn.done .box { color: var(--pen); font-weight: 700; }
.gate { text-align: center; }

@media (min-width: 900px) {
  .course { grid-template-columns: 1fr 400px; align-items: start; margin-top: 40px; }
  .course .sheet-wrap { position: sticky; top: 20px; }
}

/* second slip on the thank-you page: prints after the paid receipt */
.sheet.next { margin-top: 34px; animation-delay: 1.4s; }
.sheet.next .btn.ghost { margin-top: 14px; }
.menu-desc { margin: -2px 0 8px; font-size: 12.5px; color: var(--ink-soft); }

/* accounts + payment */
.card-no { font-size: 22px; font-weight: 700; letter-spacing: .06em; text-align: center; margin: 6px 0 2px; word-break: break-all; }
.tag { display: inline-block; padding: 1px 7px; border: 2px solid currentColor; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; }
.tag.paid { color: #2f7a3a; }
.tag.wait { color: var(--stamp); }
.msg { color: var(--stamp); font-size: 13px; min-height: 1em; margin: 8px 0 0; }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: inherit; text-decoration: underline; cursor: pointer; }
.course-card { display: block; padding: 12px 0; border-bottom: 2px dashed #d8d0bf; color: inherit; text-decoration: none; }
.course-card:last-child { border-bottom: 0; }