/* ============================================================
   Pacalli · Visor de documentos
   Estética: herbolaria editorial / apothecary moderno
   Tipografía: Fraunces (display) + Geist (UI) + Geist Mono
   ============================================================ */

:root {
  /* Paper & ink */
  --paper:        #F4EFE2;
  --paper-soft:   #FBF7EB;
  --paper-deep:   #EAE3CE;
  --paper-edge:   #DDD5BB;

  --ink:          #1E2A20;
  --ink-soft:     #4A574B;
  --ink-muted:    #6E7A6D;

  /* Greens */
  --moss-deep:    #18301E;
  --moss:         #2D4A33;
  --herb:         #4E6B3E;
  --sage:         #7A8C68;
  --sage-pale:    #B5C0A0;

  /* Warm accents */
  --ochre:        #B8842D;
  --ochre-deep:   #8C6320;
  --brick:        #9B4628;

  /* Lines & rules */
  --rule:         #C9C1A9;
  --rule-soft:    #DDD5BB;
  --rule-faint:   rgba(45, 74, 51, 0.10);

  /* Shadows */
  --shadow-card:  0 1px 2px rgba(30, 42, 32, 0.07), 0 18px 40px -16px rgba(30, 42, 32, 0.22);
  --shadow-sheet: 0 -16px 48px rgba(0, 0, 0, 0.22);

  /* Typography */
  --font-display: "Fraunces", "Cormorant Garamond", "Georgia", serif;
  --font-ui:      "Geist", "Helvetica Neue", system-ui, sans-serif;
  --font-mono:    "Geist Mono", "Menlo", monospace;

  /* Spatial */
  --radius-sm: 2px;
  --radius:    3px;
  --radius-lg: 8px;

  /* Motion */
  --ease-out:  cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in:   cubic-bezier(0.7, 0, 0.84, 0);
}

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

html, body { height: 100%; }

body {
  font-family: var(--font-ui);
  font-size: 15px;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  background-image:
    radial-gradient(at 88% -10%, rgba(122, 140, 104, 0.22), transparent 55%),
    radial-gradient(at -10% 110%, rgba(184, 132, 45, 0.10), transparent 50%),
    linear-gradient(180deg, var(--paper-soft) 0%, var(--paper) 100%);
  background-attachment: fixed;
  min-height: 100vh;
  display: grid;
  grid-template-rows: auto 1fr;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Paper grain overlay (subtle) */
.grain {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  opacity: 0.5;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 0.12 0 0 0 0 0.16 0 0 0 0 0.13 0 0 0 0.08 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* ============================================================
   Topbar
   ============================================================ */
.topbar {
  position: relative;
  z-index: 5;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 2rem;
  padding: 1rem 1.75rem 1.1rem;
  border-bottom: 1px solid var(--rule);
  background:
    linear-gradient(180deg, var(--paper-soft) 0%, transparent 100%),
    var(--paper);
}

.topbar::after {
  content: "";
  position: absolute;
  inset: auto 0 -4px 0;
  height: 1px;
  background: var(--rule-soft);
  pointer-events: none;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.85rem;
}

.brand__mark {
  width: 30px;
  height: 30px;
  color: var(--moss);
  flex-shrink: 0;
}

.brand__text {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  font-family: var(--font-display);
  line-height: 1;
}

.brand__name {
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--ink);
  font-variation-settings: "opsz" 144;
}

.brand__sep { color: var(--sage); font-size: 1.2rem; }

.brand__sub {
  font-style: italic;
  color: var(--ink-soft);
  font-size: 1rem;
  font-weight: 300;
  font-variation-settings: "opsz" 144;
}

.meta {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  min-width: 0;
  justify-content: center;
}

.meta__label {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.65rem;
  color: var(--sage);
  font-weight: 500;
}

.meta__name {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--moss-deep);
  font-size: 1rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 38vw;
}

.meta__time {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}

.meta__share {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: 0.6rem;
  padding: 0.3rem 0.6rem;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 999px;
  color: var(--herb);
  font-family: var(--font-ui);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all 150ms var(--ease-out);
}
.meta__share[hidden] { display: none; }
.meta__share svg { width: 12px; height: 12px; }
.meta__share:hover {
  background: var(--moss);
  color: var(--paper-soft);
  border-color: var(--moss);
}
.meta__share.is-copied {
  background: var(--ochre);
  border-color: var(--ochre);
  color: var(--paper-soft);
}

/* Actions */
.actions {
  display: flex;
  gap: 0.5rem;
}

.action {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--rule);
  background: var(--paper-soft);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: var(--radius-sm);
  cursor: pointer;
  position: relative;
  transition: transform 140ms var(--ease-out), background 200ms ease, border-color 200ms ease, color 200ms ease;
}

.action svg { width: 15px; height: 15px; flex-shrink: 0; }

.action:hover {
  background: var(--paper);
  border-color: var(--moss);
  transform: translateY(-1px);
}

.action:active { transform: translateY(0); }

.action--icon {
  padding: 0.55rem 0.65rem;
  color: var(--ink-soft);
}
.action--icon:hover { color: var(--moss); }

.action--primary {
  background: var(--moss);
  color: var(--paper-soft);
  border-color: var(--moss-deep);
}

.action--primary:hover {
  background: var(--moss-deep);
  color: var(--paper);
  border-color: var(--moss-deep);
}

.badge {
  display: inline-grid;
  place-items: center;
  min-width: 1.4rem;
  height: 1.05rem;
  padding: 0 0.35rem;
  background: var(--ink);
  color: var(--paper-soft);
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  border-radius: 999px;
}

.action--primary .badge {
  background: var(--ochre);
  color: var(--paper-soft);
}

/* ============================================================
   Stage (iframe mount)
   ============================================================ */
.stage {
  position: relative;
  z-index: 2;
  padding: 1.25rem 1.75rem 1.75rem;
  display: grid;
  min-height: 0;
}

.stage__mount {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  display: grid;
  min-height: calc(100vh - 160px);
}

/* Corner registration marks (apothecary card feel) */
.reg {
  position: absolute;
  width: 12px;
  height: 12px;
  border: 1.5px solid var(--moss);
  z-index: 3;
  pointer-events: none;
}
.reg--tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.reg--tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.reg--bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.reg--br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.viewer {
  width: 100%;
  height: 100%;
  border: 0;
  background: #FFFFFF;
  display: block;
}

/* ============================================================
   Empty state
   ============================================================ */
.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 2rem 1.5rem;
  background:
    repeating-linear-gradient(
      0deg,
      transparent 0 31px,
      var(--rule-faint) 31px 32px
    ),
    var(--paper-soft);
}

.empty-state__card {
  position: relative;
  max-width: 460px;
  width: 100%;
  text-align: center;
  padding: 3rem 2.25rem 2.5rem;
  background: var(--paper-soft);
  border: 1px dashed var(--sage);
}

.empty-state__corner {
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1.5px solid var(--moss);
}
.empty-state__corner--tl { top: -1px; left: -1px; border-right: 0; border-bottom: 0; }
.empty-state__corner--tr { top: -1px; right: -1px; border-left: 0; border-bottom: 0; }
.empty-state__corner--bl { bottom: -1px; left: -1px; border-right: 0; border-top: 0; }
.empty-state__corner--br { bottom: -1px; right: -1px; border-left: 0; border-top: 0; }

.empty-state__illust {
  width: 90px;
  height: 90px;
  color: var(--herb);
  margin: 0 auto 1.5rem;
  display: block;
  opacity: 0.85;
}

.empty-state__kicker {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.65rem;
  color: var(--sage);
  margin-bottom: 0.85rem;
}

.empty-state__title {
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(1.6rem, 5vw, 2.1rem);
  font-variation-settings: "opsz" 144;
  color: var(--moss-deep);
  line-height: 1.15;
  margin-bottom: 1rem;
}

.empty-state__title em {
  font-style: italic;
  font-weight: 300;
  color: var(--herb);
}

.empty-state__sub {
  color: var(--ink-soft);
  font-size: 0.92rem;
  line-height: 1.55;
  max-width: 32ch;
  margin: 0 auto 1.75rem;
}

/* ============================================================
   Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--rule);
  background: var(--paper-soft);
  color: var(--ink);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 150ms var(--ease-out);
  user-select: none;
}
.btn:hover { border-color: var(--moss); background: var(--paper); }
.btn:active { transform: translateY(1px); }

.btn--primary {
  background: var(--moss);
  color: var(--paper-soft);
  border-color: var(--moss-deep);
  padding: 0.8rem 1.4rem;
  font-weight: 500;
}
.btn--primary:hover {
  background: var(--moss-deep);
  color: var(--paper);
  border-color: var(--moss-deep);
}
.btn--primary:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: var(--sage);
  border-color: var(--sage);
}

.btn--block { width: 100%; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid var(--moss);
  color: var(--moss-deep);
  padding: 0.6rem 1.25rem;
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all 150ms var(--ease-out);
}
.btn-ghost:hover { background: var(--moss); color: var(--paper-soft); }

/* ============================================================
   Drag overlay (drop anywhere)
   ============================================================ */
.drag-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: none;
  align-items: center;
  justify-content: center;
  background: rgba(24, 48, 30, 0.86);
  backdrop-filter: blur(8px);
  pointer-events: none;
}

.drag-overlay.is-active {
  display: flex;
  animation: fade-in 180ms ease;
}

.drag-overlay__inner {
  text-align: center;
  color: var(--paper-soft);
  padding: 3rem 4rem;
  border: 1.5px dashed rgba(245, 241, 232, 0.55);
  border-radius: var(--radius-sm);
  animation: float 2.4s ease-in-out infinite;
}

.drag-overlay__inner svg { width: 64px; height: 64px; }

.drag-overlay__hint {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: clamp(2rem, 5vw, 2.6rem);
  margin: 1rem 0 0.4rem;
  font-variation-settings: "opsz" 144;
}

.drag-overlay__sub {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.22em;
  font-size: 0.7rem;
  opacity: 0.75;
}

/* ============================================================
   Sheets (modals / drawers)
   ============================================================ */
.sheet {
  position: fixed;
  inset: 0;
  z-index: 60;
  display: none;
}
.sheet[aria-hidden="false"] { display: block; }

.sheet__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(24, 42, 30, 0.5);
  backdrop-filter: blur(3px);
  animation: fade-in 200ms ease;
}

.sheet__panel {
  position: absolute;
  background: var(--paper-soft);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sheet);
  overflow: hidden;
}

.sheet__panel--bottom {
  left: 0;
  right: 0;
  bottom: 0;
  max-height: 92vh;
  border-radius: 14px 14px 0 0;
  padding-bottom: env(safe-area-inset-bottom);
  animation: slide-up 320ms var(--ease-out);
}

.sheet__panel--right {
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 92vw);
  animation: slide-right 320ms var(--ease-out);
}

@media (min-width: 768px) {
  .sheet__panel--bottom {
    left: 50%;
    right: auto;
    bottom: 32px;
    transform: translateX(-50%);
    width: min(540px, 92vw);
    border-radius: var(--radius-lg);
    box-shadow: 0 32px 80px rgba(0, 0, 0, 0.28);
    max-height: 80vh;
  }
  .sheet__panel--compact { width: min(420px, 92vw); }
  .sheet__panel--wide    { width: min(620px, 92vw); }
}

.sheet__header {
  padding: 1.4rem 1.5rem 1.1rem;
  border-bottom: 1px solid var(--rule-soft);
  position: relative;
  background:
    linear-gradient(180deg, transparent 0%, var(--paper-soft) 100%),
    repeating-linear-gradient(
      135deg,
      transparent 0 6px,
      rgba(122, 140, 104, 0.04) 6px 7px
    );
}

.sheet__handle {
  width: 36px;
  height: 4px;
  background: var(--rule);
  border-radius: 2px;
  margin: -0.4rem auto 0.85rem;
}
@media (min-width: 768px) {
  .sheet__handle { display: none; }
  .sheet__header { padding-top: 1.5rem; }
}

.sheet__kicker {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.62rem;
  color: var(--sage);
  margin-bottom: 0.35rem;
  font-weight: 500;
}

.sheet__title {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.7rem;
  font-variation-settings: "opsz" 144;
  color: var(--moss-deep);
  line-height: 1.1;
}

.sheet__sub {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--sage);
  margin-top: 0.4rem;
}

.sheet__close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 50%;
  cursor: pointer;
  color: var(--ink-soft);
  transition: all 150ms;
}
.sheet__close svg { width: 14px; height: 14px; }
.sheet__close:hover { background: var(--moss); border-color: var(--moss); color: var(--paper-soft); }

.sheet__body {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  overflow-y: auto;
}

.sheet__footer {
  padding: 0.85rem 1.5rem 1.1rem;
  border-top: 1px solid var(--rule-soft);
  background: var(--paper-deep);
}

.sheet__error {
  background: rgba(155, 70, 40, 0.10);
  color: #6B2818;
  border-left: 3px solid var(--brick);
  padding: 0.65rem 0.85rem;
  font-size: 0.85rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-ui);
}

.muted { color: var(--ink-soft); font-size: 0.92rem; line-height: 1.55; }
.muted.small { font-size: 0.8rem; }

/* ============================================================
   Dropzone (inside sheet)
   ============================================================ */
.dropzone {
  padding: 2rem 1.5rem;
  border: 1.5px dashed var(--sage);
  border-radius: var(--radius);
  text-align: center;
  background: var(--paper-deep);
  position: relative;
  transition: all 220ms var(--ease-out);
  cursor: pointer;
}
.dropzone:hover { border-color: var(--moss); background: var(--paper); }
.dropzone:focus-visible { outline: 2px solid var(--moss); outline-offset: 2px; }

.dropzone.is-dragover {
  border-color: var(--moss);
  background: var(--paper);
  border-style: solid;
  transform: scale(1.01);
}

.dropzone svg {
  width: 40px;
  height: 40px;
  color: var(--sage);
  margin: 0 auto 0.85rem;
  display: block;
  transition: color 200ms, transform 220ms var(--ease-out);
}
.dropzone:hover svg, .dropzone.is-dragover svg {
  color: var(--moss);
  transform: translateY(-2px);
}

.dropzone__primary {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.15rem;
  font-variation-settings: "opsz" 144;
  color: var(--moss-deep);
  margin-bottom: 0.3rem;
}

.dropzone__primary .ext {
  font-family: var(--font-mono);
  font-style: normal;
  font-size: 0.85rem;
  background: var(--paper-soft);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  border: 1px solid var(--rule-soft);
  color: var(--herb);
  vertical-align: 2px;
}

.dropzone__or {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--sage);
  margin: 0.8rem 0;
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.dropzone__or::before, .dropzone__or::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--rule-soft);
}

.dropzone__file {
  margin-top: 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--moss-deep);
  background: var(--paper-soft);
  padding: 0.5rem 0.7rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--herb);
  text-align: left;
  display: none;
  word-break: break-all;
}
.dropzone__file.is-set {
  display: block;
  animation: slide-up 240ms var(--ease-out);
}

/* ============================================================
   Fields
   ============================================================ */
.field { display: block; }

.field__label {
  display: block;
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.66rem;
  color: var(--sage);
  font-weight: 500;
  margin-bottom: 0.5rem;
}

.field__input {
  width: 100%;
  padding: 0.85rem 1rem;
  border: 1px solid var(--rule);
  background: var(--paper-soft);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  letter-spacing: 0.32em;
  color: var(--ink);
  border-radius: var(--radius-sm);
  transition: border 160ms, background 200ms;
}
.field__input::placeholder { color: var(--sage-pale); letter-spacing: 0.2em; }
.field__input:focus {
  outline: none;
  border-color: var(--moss);
  background: #FFFFFF;
}

.field__hint {
  margin-top: 0.55rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
  line-height: 1.5;
}

/* ============================================================
   History list
   ============================================================ */
.history {
  list-style: none;
  padding: 0;
  margin: 0;
  overflow-y: auto;
  flex: 1;
  min-height: 0;
}

.history__item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.85rem;
  align-items: baseline;
  padding: 1.1rem 1.5rem;
  border-bottom: 1px solid var(--rule-soft);
  cursor: pointer;
  position: relative;
  transition: background 150ms;
}
.history__item:hover { background: var(--paper-deep); }
.history__item.is-active {
  background: linear-gradient(90deg, rgba(45, 74, 51, 0.06), transparent);
}
.history__item.is-active::before {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--moss);
}

.history__index {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--sage);
  letter-spacing: 0.06em;
  font-weight: 500;
  align-self: start;
  margin-top: 0.25rem;
}

.history__meta { min-width: 0; }

.history__name {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  color: var(--moss-deep);
  font-size: 1.02rem;
  font-variation-settings: "opsz" 144;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  margin-bottom: 0.25rem;
  line-height: 1.2;
}

.history__time {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.history__actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  align-self: center;
}

.history__share {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  background: transparent;
  border: 1px solid var(--rule);
  border-radius: 50%;
  color: var(--herb);
  cursor: pointer;
  transition: all 150ms var(--ease-out);
}
.history__share svg { width: 13px; height: 13px; }
.history__share:hover {
  background: var(--moss);
  color: var(--paper-soft);
  border-color: var(--moss);
}
.history__share.is-copied {
  background: var(--ochre);
  border-color: var(--ochre);
  color: var(--paper-soft);
}

.history__current {
  font-family: var(--font-mono);
  font-size: 0.58rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-weight: 500;
  background: var(--moss);
  color: var(--paper-soft);
  padding: 0.18rem 0.5rem;
  border-radius: 2px;
  display: none;
  align-self: center;
}
.history__item.is-active .history__current { display: inline-block; }

.history__empty {
  padding: 4rem 1.5rem;
  text-align: center;
  color: var(--ink-muted);
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1rem;
  font-variation-settings: "opsz" 144;
}

/* ============================================================
   Guide (Help sheet)
   ============================================================ */
.sheet__body--guide {
  gap: 1.5rem;
  padding: 1.75rem 1.5rem 1.5rem;
}

.guide__lead {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 400;
  font-size: 1.15rem;
  font-variation-settings: "opsz" 144;
  color: var(--moss-deep);
  line-height: 1.45;
  padding-bottom: 0.5rem;
  border-bottom: 1px dashed var(--rule);
}
.guide__lead code {
  font-style: normal;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  background: var(--paper-deep);
  padding: 0.1rem 0.4rem;
  border-radius: 2px;
  border: 1px solid var(--rule-soft);
  color: var(--herb);
}

.guide__step {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 1rem 1.1rem;
  padding: 0.25rem 0;
  align-items: start;
}

.guide__step--accent {
  background:
    linear-gradient(0deg, rgba(184, 132, 45, 0.05), rgba(184, 132, 45, 0.05)),
    var(--paper-soft);
  padding: 1rem 1.1rem;
  border-left: 3px solid var(--ochre);
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 0 -0.5rem;
}

.guide__num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  color: var(--sage);
  background: var(--paper-soft);
  border: 1px solid var(--rule);
  padding: 0.3rem 0.5rem;
  border-radius: var(--radius-sm);
  align-self: start;
  white-space: nowrap;
}
.guide__step--accent .guide__num {
  background: var(--ochre);
  color: var(--paper-soft);
  border-color: var(--ochre-deep);
}

.guide__title {
  font-family: var(--font-display);
  font-weight: 500;
  font-style: italic;
  font-size: 1.05rem;
  color: var(--moss-deep);
  margin-bottom: 0.3rem;
  font-variation-settings: "opsz" 144;
  line-height: 1.2;
}

.guide__step p {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink-soft);
}
.guide__step p + p { margin-top: 0.5rem; }

.guide__step p code,
.guide__step p strong {
  font-weight: 500;
  color: var(--moss-deep);
}
.guide__step p code {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  background: var(--paper-deep);
  padding: 0.05rem 0.35rem;
  border-radius: 2px;
  border: 1px solid var(--rule-soft);
  font-weight: 400;
  color: var(--herb);
}

.guide__hint {
  font-size: 0.82rem !important;
  color: var(--ink-muted) !important;
  font-style: italic;
}

.inline-icon {
  display: inline-grid;
  place-items: center;
  width: 1.1rem;
  height: 1.1rem;
  background: var(--moss);
  color: var(--paper-soft);
  border-radius: 50%;
  font-size: 0.7rem;
  vertical-align: -3px;
}

.guide__rules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.6rem;
  padding: 0.85rem 1rem;
  background: var(--paper-deep);
  border-radius: var(--radius);
  border: 1px solid var(--rule-soft);
}
.guide__rules > div {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
}
.guide__rules span {
  font-family: var(--font-mono);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.6rem;
  color: var(--sage);
}
.guide__rules strong {
  font-family: var(--font-display);
  font-style: italic;
  font-weight: 500;
  font-size: 0.92rem;
  color: var(--moss-deep);
  font-variation-settings: "opsz" 144;
}

/* ============================================================
   Toast
   ============================================================ */
.toast {
  position: fixed;
  bottom: calc(1.5rem + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%);
  background: var(--moss-deep);
  color: var(--paper-soft);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius);
  font-family: var(--font-ui);
  font-size: 0.85rem;
  font-weight: 500;
  z-index: 90;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
  animation: toast-in 280ms var(--ease-out);
  max-width: 90vw;
}

@keyframes toast-in {
  from { opacity: 0; transform: translate(-50%, 14px); }
  to   { opacity: 1; transform: translate(-50%, 0); }
}

/* ============================================================
   Keyframes
   ============================================================ */
@keyframes fade-in {
  from { opacity: 0; }
  to   { opacity: 1; }
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-6px); }
}
@keyframes slide-up {
  from { transform: translateY(100%); }
  to   { transform: translateY(0); }
}
@media (min-width: 768px) {
  @keyframes slide-up {
    from { transform: translate(-50%, 24px); opacity: 0; }
    to   { transform: translate(-50%, 0); opacity: 1; }
  }
}
@keyframes slide-right {
  from { transform: translateX(100%); }
  to   { transform: translateX(0); }
}

/* ============================================================
   Page-load stagger
   ============================================================ */
.topbar { animation: rise 500ms var(--ease-out) both; }
.stage  { animation: rise 600ms 80ms var(--ease-out) both; }

@keyframes rise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 720px) {
  .topbar {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
    gap: 0.55rem 1rem;
    padding: 0.85rem 1rem 0.95rem;
  }
  .brand__sub { display: none; }
  .brand__sep { display: none; }
  .brand__name { font-size: 1.3rem; }
  .meta {
    grid-column: 1 / -1;
    grid-row: 2;
    font-size: 0.78rem;
    justify-content: flex-start;
    padding-top: 0.25rem;
    border-top: 1px dashed var(--rule-soft);
    padding-top: 0.6rem;
    margin-top: 0.1rem;
  }
  .meta__label { display: none; }
  .meta__name { max-width: 60vw; }
  .actions { grid-row: 1; grid-column: 2; }
  .action span:not(.badge) { display: none; }
  .action { padding: 0.55rem 0.7rem; }
  .action--icon { padding: 0.55rem 0.6rem; }
  .action--primary { padding-left: 0.8rem; padding-right: 0.8rem; }

  .meta__share span { display: none; }
  .meta__share { padding: 0.3rem 0.45rem; margin-left: auto; }
  .meta { gap: 0.5rem; }

  .stage { padding: 0.75rem 0.75rem 0.85rem; }
  .stage__mount { min-height: calc(100vh - 165px); border-radius: var(--radius-sm); }

  .empty-state__card { padding: 2.5rem 1.5rem; max-width: 360px; }
  .empty-state__illust { width: 72px; height: 72px; }

  .reg { width: 10px; height: 10px; }
}

@media (max-width: 380px) {
  .brand__mark { width: 26px; height: 26px; }
  .brand__name { font-size: 1.2rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}