/* ============================================================
   PIT-PATCH — Spring 2015 Collection
   Editorial fashion grotesque (Archivo). Mobile-first.
   ============================================================ */

:root {
  --ink: #1f1d1a;
  --paper: #efece3;
  --paper-deep: #e6e1d4;
  --coffee: #2e1c15;        /* deep leather, for solid screen backgrounds */
  --brass: #c69a4d;         /* antique brass — the one premium accent on leather */
  --brass-deep: #b08838;
  --font: "Archivo", system-ui, -apple-system, sans-serif;
  --font-narrow: "Archivo Narrow", var(--font);
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: var(--font);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

img, svg { display: block; max-width: 100%; -webkit-user-drag: none; user-select: none; }

/* Mobile-first: the app fills the viewport.
   On desktop it becomes a phone-shaped frame on a gradient (below). */
#app {
  position: relative;
  width: 100%;
  height: 100svh;
  overflow: hidden;
  background: var(--paper);
}

/* ------------------------------------------------------------
   Desktop framing — keep the mobile aspect ratio, centre on a
   gradient (so it doesn't stretch like a responsive site)
   ------------------------------------------------------------ */
@media (min-width: 640px) {
  body {
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 24px;
    background:
      radial-gradient(120% 90% at 50% 0%, #ece5d7 0%, #d8cfbc 52%, #c5bba4 100%);
  }
  #app {
    width: auto;
    height: min(880px, calc(100svh - 48px));
    aspect-ratio: 375 / 812;        /* the mobile aspect, locked */
    border-radius: 44px;
    box-shadow: 0 40px 90px -12px rgba(21, 23, 29, 0.5);
  }
}

/* ------------------------------------------------------------
   Screen system — each screen stacks, fades in when active
   ------------------------------------------------------------ */
.screen {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.6s var(--ease), visibility 0s linear 0.6s;
}
.screen.is-active {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.6s var(--ease);
}

/* ============================================================
   LOADER
   ============================================================ */
.screen--loader {
  background: var(--coffee);
}
.loader {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}
.loader__ring {
  position: relative;
  width: 188px;
  height: 188px;
  display: grid;
  place-items: center;
}

/* Ring of running stitches that march around the mark */
.stitch-ring {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  animation: ring-spin 9s linear infinite;
}
.stitch-ring circle {
  fill: none;
  stroke: var(--paper);
  stroke-width: 5;
  stroke-linecap: round;
  /* dash = stitch, gap = thread between stitches */
  stroke-dasharray: 2 18;
  animation: stitch-march 0.85s linear infinite;
}

/* The needle-and-thread mark, gently breathing at center */
.loader__needle {
  position: relative;
  width: 86px;
  height: 86px;
  fill: var(--paper);
  animation: needle-breathe 2.1s var(--ease) infinite;
  transform-origin: center;
}

.loader__wordmark {
  font-family: var(--font-narrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.42em;
  font-size: 13px;
  /* optical centering for the tracked caps */
  padding-left: 0.42em;
  color: var(--paper);
  opacity: 0.85;
  animation: wordmark-pulse 2.1s var(--ease) infinite;
}

@keyframes stitch-march {
  to { stroke-dashoffset: -20; }   /* one full dash+gap cycle = seamless loop */
}
@keyframes ring-spin {
  to { transform: rotate(360deg); }
}
@keyframes needle-breathe {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50%      { transform: scale(1.06) rotate(-3deg); }
}
@keyframes wordmark-pulse {
  0%, 100% { opacity: 0.55; }
  50%      { opacity: 0.9; }
}

/* ============================================================
   COVER
   ============================================================ */
.screen--cover {
  background: var(--coffee) url("assets/cover-bg.webp") center / cover no-repeat;
}
/* cover → browser: the cover slides away to reveal the collection,
   like lifting the top card off the swatch stack */
.screen--cover.is-sliding {
  z-index: 10;                /* slide on TOP of the collection beneath */
  transform: translateX(-100%);
  transition: transform 0.52s var(--ease);
  box-shadow: 24px 0 60px rgba(26, 24, 21, 0.26);
}
.cover {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 0 32px;
  max-width: 460px;
}
.cover__mark {
  width: 44px;
  height: 44px;
  margin-bottom: 30px;
  opacity: 0.92;
  /* needle.svg is dark ink — flip to cream so it reads on leather */
  filter: brightness(0) invert(1);
}
.cover__eyebrow {
  font-family: var(--font-narrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.28em;
  padding-left: 0.28em;
  font-size: 13px;
  line-height: 1.7;
  max-width: 250px;
  color: rgba(239, 236, 227, 0.82);
  text-shadow: 0 1px 10px rgba(20, 12, 8, 0.55);
  margin-bottom: 40px;
}

/* ============================================================
   BROWSER — the UGG mechanic
   Burlap frame stays fixed; the disc inside the hole cross-fades.
   ============================================================ */
.screen--browser {
  display: block;            /* override the flex centering of .screen */
  background: var(--coffee); /* leather-deep, shows in any letterbox gap */
}

/* constant material */
.bg-frame {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  z-index: 2;
  pointer-events: none;
  user-select: none;
  /* mute the burlap a touch — calmer, more premium */
  filter: saturate(0.78) brightness(1.05) contrast(0.96);
}

/* disc stack — sits behind the frame, revealed only through the hole */
.porthole {
  position: absolute;
  left: 51.5%;
  top: 31.5%;
  width: 82%;
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  z-index: 1;
}
.porthole .disc {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.3s var(--ease);
  will-change: opacity;
}
.porthole .disc.is-on { opacity: 1; }

/* top bar */
.topbar {
  position: absolute;
  top: 0; left: 0; right: 0;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(18px + env(safe-area-inset-top)) calc(20px + env(safe-area-inset-right))
           18px calc(20px + env(safe-area-inset-left));
}
.topbar__brand {
  font-family: var(--font-narrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  padding: 0 0 0 0.2em;
  font-size: 12px;
  color: rgba(239, 236, 227, 0.88);
  text-shadow: 0 1px 8px rgba(20, 12, 8, 0.45);
  background: none;
  border: none;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.cart-btn {
  font-family: var(--font-narrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 12px;
  color: rgba(239, 236, 227, 0.88);
  text-shadow: 0 1px 8px rgba(20, 12, 8, 0.45);
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  -webkit-tap-highlight-color: transparent;
}
.cart-btn__count {
  display: inline-grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 4px;
  border-radius: 9px;
  background: var(--ink);
  color: var(--paper);
  font-size: 11px;
  font-weight: 700;
}

/* prev / next */
.nav {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  z-index: 3;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  font-size: 32px;
  line-height: 1;
  padding-bottom: 4px;
  color: rgba(239, 236, 227, 0.65);
  text-shadow: 0 1px 8px rgba(20, 12, 8, 0.5);
  background: none;
  border: none;
  cursor: pointer;
  transition: opacity 0.25s var(--ease), transform 0.15s var(--ease);
  -webkit-tap-highlight-color: transparent;
  outline: none;
}
.nav:active { transform: translateY(-50%) scale(0.92); }
.nav--prev { left: 12px; }
.nav--next { right: 12px; }
.nav[disabled] { opacity: 0; pointer-events: none; }

/* name / add  (and the finale message share this slot) */
.info-area {
  position: absolute;
  left: 0; right: 0;
  bottom: 25%;
  z-index: 3;
  padding: 0 24px;
}
.info {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.finale { display: none; }
.info-area.is-finale { bottom: auto; top: 54%; }   /* logo sits just under the swatch */
.info-area.is-finale .info { display: none; }
.info-area.is-finale .finale {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}
.info__name {
  font-weight: 800;
  font-size: clamp(28px, 8.5vw, 40px);
  letter-spacing: -0.025em;
  line-height: 1;
  color: var(--paper);
  text-shadow: 0 2px 16px rgba(18, 10, 6, 0.62), 0 1px 3px rgba(18, 10, 6, 0.5);
  transition: opacity 0.15s var(--ease);
}
.add-btn {
  margin-top: 26px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--brass);
  border: none;
  border-radius: 2px;
  padding: 15px 30px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(18, 10, 6, 0.35);
  transition: transform 0.2s var(--ease), background 0.2s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.add-btn:active { transform: scale(0.97); }
.add-btn.is-added { background: var(--brass-deep); }

/* finale: Microsoft sign-off, then message + decorative CTA */
.finale__copy {
  font-weight: 600;
  font-size: 15px;
  line-height: 1.42;
  letter-spacing: 0;
  max-width: 100%;
  color: var(--paper);
  text-shadow: 0 1px 10px rgba(20, 12, 8, 0.55);
  text-wrap: balance;
}
.finale__cta {
  margin-top: 22px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--brass);
  border: none;
  border-radius: 2px;
  padding: 15px 34px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(18, 10, 6, 0.35);
  -webkit-tap-highlight-color: transparent;
}

/* counter — hidden; position reserved in case it's re-enabled */
.counter { display: none; }

/* ============================================================
   CART DRAWER
   ============================================================ */
.cart-drawer {
  position: absolute;
  inset: 0;
  z-index: 20;
  visibility: hidden;
  pointer-events: none;
}
.cart-drawer.is-open {
  visibility: visible;
  pointer-events: auto;
}
.cart-overlay {
  position: absolute;
  inset: 0;
  background: rgba(26, 24, 21, 0.42);
  opacity: 0;
  transition: opacity 0.35s var(--ease);
}
.cart-drawer.is-open .cart-overlay { opacity: 1; }

.cart-panel {
  position: absolute;
  top: 0; right: 0;
  height: 100%;
  width: min(90%, 420px);
  background: var(--paper);
  box-shadow: -18px 0 50px rgba(26, 24, 21, 0.22);
  display: flex;
  flex-direction: column;
  transform: translateX(100%);
  transition: transform 0.4s var(--ease);
}
.cart-drawer.is-open .cart-panel { transform: translateX(0); }

.cart-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 22px 18px;
  border-bottom: 1px solid #ddd8cc;
}
.cart-head__title {
  font-weight: 800;
  font-size: 22px;
  letter-spacing: -0.02em;
}
.cart-close {
  font-family: var(--font);
  font-size: 28px;
  line-height: 1;
  color: var(--ink);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 4px;
  -webkit-tap-highlight-color: transparent;
}

.cart-list {
  flex: 1;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 6px 22px;
}
.cart-empty {
  padding: 48px 0;
  text-align: center;
  font-family: var(--font-narrow);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 13px;
  color: #9a9486;
}

.cart-item {
  display: grid;
  grid-template-columns: 56px 1fr auto;
  grid-template-areas:
    "thumb meta qty"
    "thumb remove qty";
  column-gap: 14px;
  align-items: center;
  padding: 18px 0;
  border-bottom: 1px solid #e2ddd1;
}
.cart-thumb {
  grid-area: thumb;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  overflow: hidden;
  background: #d7d2c5;
  box-shadow: inset 0 0 0 1px rgba(0,0,0,.08);
}
.cart-thumb img { width: 100%; height: 100%; object-fit: cover; }
.cart-meta { grid-area: meta; align-self: end; }
.cart-meta strong {
  display: block;
  font-weight: 700;
  font-size: 16px;
  letter-spacing: -0.01em;
}
.cart-remove {
  grid-area: remove;
  align-self: start;
  justify-self: start;
  margin-top: 4px;
  font-family: var(--font-narrow);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 11px;
  color: #9a9486;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 2px;
  -webkit-tap-highlight-color: transparent;
}
.cart-remove:active { color: var(--ink); }
.cart-qty {
  grid-area: qty;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}
.cart-qty button {
  width: 28px;
  height: 28px;
  display: grid;
  place-items: center;
  font-size: 16px;
  line-height: 1;
  color: var(--ink);
  background: none;
  border: 1px solid rgba(31,29,26,0.28);
  border-radius: 50%;
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
}
.cart-qty button:active { background: rgba(31,29,26,0.08); }
.cart-qty span {
  min-width: 16px;
  text-align: center;
  font-weight: 600;
  font-size: 15px;
}

.cart-foot {
  padding: 18px 22px calc(22px + env(safe-area-inset-bottom));
  border-top: 1px solid #ddd8cc;
}
.cart-foot__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--font-narrow);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 13px;
  color: #5b554a;
  margin-bottom: 16px;
}
.cart-checkout {
  width: 100%;
  font-family: var(--font);
  font-weight: 600;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--paper);
  background: var(--ink);
  border: none;
  border-radius: 2px;
  padding: 16px;
  cursor: pointer;
  transition: transform 0.2s var(--ease), opacity 0.2s var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.cart-checkout:active { transform: scale(0.99); opacity: 0.92; }
.cart-checkout[disabled] { opacity: 0.4; cursor: default; }

/* ============================================================
   TOUCH-CURSOR — simulate a finger on pointer devices
   ============================================================ */
body.cursor-sim { cursor: none; }
body.cursor-sim a, body.cursor-sim button, body.cursor-sim .nav { cursor: none; }
.touch-cursor {
  position: fixed;
  top: 0; left: 0;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(31, 29, 26, 0.14);
  border: 1.5px solid rgba(31, 29, 26, 0.4);
  pointer-events: none;
  z-index: 100;
  opacity: 0;
  transform: translate(var(--x, -100px), var(--y, -100px));
  transition: opacity 0.2s var(--ease), background 0.12s var(--ease), border-color 0.12s var(--ease);
}
.touch-cursor.is-visible { opacity: 1; }
.touch-cursor.is-pressing {
  transform: translate(var(--x, -100px), var(--y, -100px)) scale(0.66);
  background: rgba(31, 29, 26, 0.34);
  border-color: rgba(31, 29, 26, 0.6);
}

/* ============================================================
   SWIPE CUE (cover) — slide-to-begin
   ============================================================ */
.swipe-cue {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}
.swipe-cue__gif {
  width: 86px;
  height: 86px;
  opacity: 0.95;
  pointer-events: none;
}
.swipe-cue__label {
  font-family: var(--font-narrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  padding-left: 0.22em;
  font-size: 12px;
  color: rgba(239, 236, 227, 0.82);
  text-shadow: 0 1px 10px rgba(20, 12, 8, 0.55);
}

/* ============================================================
   KEEP-SWIPING HINT (browser) — above the counter
   ============================================================ */
.swipe-hint {
  position: absolute;
  bottom: calc(44px + env(safe-area-inset-bottom));
  left: 0; right: 0;
  width: max-content;
  max-width: calc(100% - 48px);
  margin-inline: auto;
  z-index: 3;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  opacity: 0.9;
  transition: opacity 0.3s var(--ease);
}
.swipe-hint.is-hidden { opacity: 0; }
.swipe-hint__label {
  font-family: var(--font-narrow);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.2em;
  padding-left: 0.2em;
  font-size: 11px;
  color: rgba(239, 236, 227, 0.82);
  text-shadow: 0 1px 6px rgba(20, 12, 8, 0.5);
}
.swipe-hint__chevs {
  font-size: 13px;
  color: rgba(239, 236, 227, 0.82);
  letter-spacing: 1px;
  animation: chev-nudge 1.5s var(--ease) infinite;
}
@keyframes chev-nudge {
  0%, 100% { transform: translateX(0);   opacity: 0.4; }
  50%      { transform: translateX(5px); opacity: 1; }
}

/* ============================================================
   FINALE — Microsoft sign-off
   ============================================================ */

.finale__logo {
  width: 74px;
  height: auto;
  margin-top: 22px;
  opacity: 0.9;
  filter: brightness(0) invert(1);
}


/* ============================================================
   INSTRUCTIONS — how-to reel (Treatment B: reuses the porthole)
   ============================================================ */
.instr {
  position: absolute;
  inset: 0;
  z-index: 15;
  display: block;
  background: var(--coffee);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease), visibility 0s linear 0.4s;
}
.instr.is-open {
  opacity: 1;
  visibility: visible;
  transition: opacity 0.4s var(--ease);
}
.instr__close {
  font-family: var(--font);
  font-size: 26px;
  line-height: 1;
  color: rgba(239, 236, 227, 0.88);
  text-shadow: 0 1px 8px rgba(20, 12, 8, 0.45);
  background: none;
  border: none;
  cursor: pointer;
  padding: 0 2px;
  -webkit-tap-highlight-color: transparent;
}
.instr__info {
  position: absolute;
  left: 0; right: 0;
  top: 60%;
  z-index: 3;
  padding: 0 30px;
  text-align: center;
  transition: opacity 0.15s var(--ease);
}
.instr__title {
  font-weight: 800;
  font-size: clamp(21px, 6.5vw, 30px);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--paper);
  text-shadow: 0 2px 16px rgba(18, 10, 6, 0.62), 0 1px 3px rgba(18, 10, 6, 0.5);
}
.instr__body {
  margin: 12px auto 0;
  max-width: 30ch;
  font-weight: 500;
  font-size: 14px;
  line-height: 1.42;
  color: rgba(239, 236, 227, 0.86);
  text-shadow: 0 1px 10px rgba(20, 12, 8, 0.55);
  text-wrap: balance;
}
.instr__cta {
  display: none;
  margin-top: 20px;
  font-family: var(--font);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink);
  background: var(--brass);
  border: none;
  border-radius: 2px;
  padding: 14px 30px;
  cursor: pointer;
  box-shadow: 0 6px 20px rgba(18, 10, 6, 0.35);
  -webkit-tap-highlight-color: transparent;
}
.instr__info.is-last .instr__cta { display: inline-block; }
.instr__dots {
  position: absolute;
  bottom: calc(44px + env(safe-area-inset-bottom));
  left: 0; right: 0;
  z-index: 3;
  display: flex;
  gap: 7px;
  justify-content: center;
}
.instr__dots span {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(239, 236, 227, 0.38);
  transition: background 0.25s var(--ease);
}
.instr__dots span.is-on { background: var(--brass); }

/* keep-swiping hint clears the progress dots in the instructions reel */
#instr-hint { bottom: calc(74px + env(safe-area-inset-bottom)); }

@media (prefers-reduced-motion: reduce) {
  .stitch-ring, .stitch-ring circle, .loader__needle, .loader__wordmark { animation: none; }
  .cart-overlay, .cart-panel { transition: none; }
  .swipe-hint__chevs { animation: none; }
}