/* ═══════════════════════════════════════════════
   Picnic Symphony — Styles
   Watercolor storybook · no emojis · animated day/night
   ═══════════════════════════════════════════════ */

/* ─── Palette & Tokens ──────────────────────────── */
:root {
  --paper: #FFF8E8;
  --meadow: #7FA36B;
  --sage: #A9BE91;
  --butter: #F4D77D;
  --coral: #E97B70;
  --sky: #9CCDDD;
  --blueberry: #596783;
  --lavender: #9A8EB8;
  --navy: #26324A;
  --ink: #34423E;
  --ink-soft: #5f6d5c;

  --card-bg: rgba(255, 248, 232, 0.94);
  --card-border: rgba(127, 163, 107, 0.2);
  --card-shadow: 0 8px 32px rgba(52, 66, 62, 0.08);
  --focus-ring: 0 0 0 3px rgba(127, 163, 107, 0.45);

  --radius-xl: 24px;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 6px;

  --font-display: 'Caveat', cursive;
  --font-body: 'Nunito', 'Noto Sans SC', sans-serif;
  --font-ui: 'Nunito', 'Noto Sans SC', system-ui, sans-serif;
  --transition: 400ms cubic-bezier(0.25, 1, 0.5, 1);
  --transition-slow: 1500ms ease;

  /* Z-index system */
  --z-header: 100;
  --z-popover: 400;
  --z-guide: 700;
  --z-modal-backdrop: 1000;
  --z-modal: 1010;

  /* Day environment */
  --env-sky: linear-gradient(180deg, #d4eeff 0%, #e8f4e0 50%, #d8e8c4 100%);
  --env-sun-color: rgba(244, 215, 125, 0.6);
  --env-cloud-color: rgba(255, 255, 255, 0.7);
  --env-grass-color: #A9BE91;
}

/* Night overrides */
:root[data-theme="night"] {
  --paper: #1c2a38;
  --ink: #e4e0d8;
  --ink-soft: #9aab9a;
  --card-bg: rgba(28, 42, 56, 0.94);
  --card-border: rgba(154, 142, 184, 0.2);
  --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
  --focus-ring: 0 0 0 3px rgba(154, 142, 184, 0.4);

  --env-sky: linear-gradient(180deg, #0e1a2a 0%, #162440 50%, #1a3050 100%);
  --env-sun-color: rgba(200, 195, 160, 0.25);
  --env-cloud-color: rgba(40, 60, 80, 0.35);
  --env-grass-color: #3a5a4a;
}

/* ─── Theme Transition System ───────────────────── */
/* Match the 1.8s background crossfade. Only transition visual theme properties. */
:root {
  --theme-duration: 1.8s;
  --theme-ease: ease;
}

body.theme-ready .studio-shell,
body.theme-ready .ingredient-btn,
body.theme-ready .spirit-panel,
body.theme-ready .spirit-speech,
body.theme-ready .studio-status,
body.theme-ready .btn,
body.theme-ready .toolbar-btn,
body.theme-ready .theme-btn,
body.theme-ready .welcome-card,
body.theme-ready .spirit-card,
body.theme-ready .mode-card,
body.theme-ready .recipe-card,
body.theme-ready .postcard-card,
body.theme-ready .recipe-grid-card,
body.theme-ready .mode-option,
body.theme-ready .spirit-option,
body.theme-ready .lang-dropdown__menu,
body.theme-ready .confirm-dialog,
body.theme-ready .mismatch-dialog {
  transition:
    background-color var(--theme-duration) var(--theme-ease),
    border-color var(--theme-duration) var(--theme-ease),
    color var(--theme-duration) var(--theme-ease),
    box-shadow var(--theme-duration) var(--theme-ease);
}

/* Text elements */
body.theme-ready .ingredient-btn__name,
body.theme-ready .ingredient-btn__role,
body.theme-ready .spirit-speech p,
body.theme-ready .studio-status,
body.theme-ready .welcome-title,
body.theme-ready .welcome-body,
body.theme-ready .spirit-title,
body.theme-ready .spirit-subtitle,
body.theme-ready .postcard-title,
body.theme-ready .recipe-title,
body.theme-ready .recipe-subtitle {
  transition: color var(--theme-duration) var(--theme-ease);
}

@media (prefers-reduced-motion: reduce) {
  body.theme-ready .studio-shell,
  body.theme-ready .ingredient-btn,
  body.theme-ready .spirit-panel,
  body.theme-ready .spirit-speech,
  body.theme-ready .studio-status,
  body.theme-ready .btn,
  body.theme-ready .toolbar-btn,
  body.theme-ready .theme-btn,
  body.theme-ready .welcome-card,
  body.theme-ready .spirit-card,
  body.theme-ready .mode-card,
  body.theme-ready .recipe-card,
  body.theme-ready .postcard-card,
  body.theme-ready .recipe-grid-card,
  body.theme-ready .mode-option,
  body.theme-ready .spirit-option,
  body.theme-ready .ingredient-btn__name,
  body.theme-ready .ingredient-btn__role,
  body.theme-ready .spirit-speech p {
    transition-duration: 0.01ms !important;
  }
}

/* ─── Reset ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: var(--font-ui);
  font-size: 16px; line-height: 1.6;
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  transition: background-color var(--theme-duration, 1.8s) var(--theme-ease, ease), color var(--theme-duration, 1.8s) var(--theme-ease, ease);
}
button, input, select, textarea { font-family: var(--font-ui); font: inherit; }
img { max-width: 100%; display: block; }
[hidden] { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* Chinese language override */
:lang(zh) body,
:lang(zh) button,
:lang(zh) input,
:lang(zh) select,
:lang(zh) textarea {
  font-family: 'Noto Sans SC', 'Nunito', system-ui, sans-serif;
}

/* Body scroll lock for modals */
body.scroll-locked { overflow: hidden; }

/* ─── Paper Grain (no emoji) ────────────────────── */
.paper-grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 9999;
  opacity: 0.04;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='80' height='80'%3E%3Cfilter id='g'%3E%3CfeTurbulence baseFrequency='0.6' numOctaves='3'/%3E%3C/filter%3E%3Crect width='80' height='80' filter='url(%23g)' opacity='0.4'/%3E%3C/svg%3E");
}

/* ─── Environment Background Layers ─────────────── */
.env-bg {
  position: fixed; inset: 0;
  z-index: 0;
  pointer-events: none;
}
.env-bg__dawn,
.env-bg__day,
.env-bg__dusk,
.env-bg__night {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: opacity 1.8s ease;
  opacity: 0;
}
.env-bg__dawn { background-image: url('assets/backgrounds/meadow-dawn.webp'); }
.env-bg__day { background-image: url('assets/backgrounds/meadow-day.webp'); opacity: 1; }
.env-bg__dusk { background-image: url('assets/backgrounds/meadow-dusk.webp'); }
.env-bg__night { background-image: url('assets/backgrounds/meadow-night.webp'); }

/* Theme-driven opacity switching */
:root[data-theme="dawn"] .env-bg__dawn { opacity: 1; }
:root[data-theme="dawn"] .env-bg__day { opacity: 0; }
:root[data-theme="day"] .env-bg__day { opacity: 1; }
:root[data-theme="dusk"] .env-bg__day { opacity: 0; }
:root[data-theme="dusk"] .env-bg__dusk { opacity: 1; }
:root[data-theme="night"] .env-bg__day { opacity: 0; }
:root[data-theme="night"] .env-bg__night { opacity: 1; }

/* ─── Foreground Grass ──────────────────────────── */
.env-foreground {
  position: fixed;
  bottom: 0; left: 0; right: 0;
  height: 25vh;
  z-index: 5;
  pointer-events: none;
  overflow: hidden;
}
.env-foreground__grass {
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: bottom center;
  animation: grassSwayForeground 7s ease-in-out infinite;
  transform-origin: bottom center;
  transition: filter 1.8s ease;
}
:root[data-theme="night"] .env-foreground__grass {
  filter: brightness(0.58) saturate(0.82) hue-rotate(8deg);
}
:root[data-theme="dusk"] .env-foreground__grass {
  filter: brightness(0.78) saturate(0.9) hue-rotate(4deg);
}
:root[data-theme="dawn"] .env-foreground__grass {
  filter: brightness(0.92) saturate(1.05) hue-rotate(-2deg);
}

@keyframes grassSwayForeground {
  0%, 100% { transform: translateX(0) skewX(0deg); }
  25% { transform: translateX(1px) skewX(0.3deg); }
  75% { transform: translateX(-1px) skewX(-0.3deg); }
}

/* ─── Night Lantern ─────────────────────────────── */
.env-lantern {
  position: fixed;
  bottom: 8vh; right: 6vw;
  width: 80px; height: 80px;
  z-index: 6;
  pointer-events: none;
  opacity: 0;
  transition: opacity 1.8s ease;
}
:root[data-theme="night"] .env-lantern {
  opacity: 1;
}
:root[data-theme="dusk"] .env-lantern {
  opacity: 0.6;
}
.env-lantern__img {
  width: 100%; height: 100%;
  object-fit: contain;
  animation: lanternGlow 4s ease-in-out infinite;
}
@keyframes lanternGlow {
  0%, 100% { filter: brightness(1) drop-shadow(0 0 4px rgba(244,215,125,0.3)); }
  50% { filter: brightness(1.12) drop-shadow(0 0 10px rgba(244,215,125,0.5)); }
}

/* ─── Screen System ─────────────────────────────── */
.screen {
  position: fixed; inset: 0;
  display: grid; place-items: center;
  padding: 24px; overflow-y: auto;
  z-index: 10; opacity: 1;
  transition: opacity 400ms ease, transform 400ms ease;
}
.screen--leaving { opacity: 0; transform: translateY(-6px); pointer-events: none; }
.screen--entering { animation: fadeIn 400ms ease-out both; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

.studio-screen { place-items: stretch; padding: 0; }

/* ─── Global Toolbar ────────────────────────────── */
.global-toolbar {
  position: fixed; top: 10px; right: 12px;
  display: flex; gap: 6px; align-items: center; z-index: var(--z-header);
}
.toolbar-btn {
  padding: 5px 12px; border: 1px solid var(--card-border);
  border-radius: 999px; background: var(--card-bg); color: var(--ink);
  font-size: 0.8rem; font-weight: 600; cursor: pointer;
  backdrop-filter: blur(4px); transition: transform 150ms ease;
}
.toolbar-btn:hover { transform: scale(1.05); }

/* Home button */
.home-btn { display: flex; align-items: center; gap: 4px; }
.home-btn svg { width: 15px; height: 15px; flex-shrink: 0; }
.home-btn[hidden] { display: none !important; }

.theme-toggle { display: flex; gap: 1px; padding: 2px; border-radius: 999px; background: var(--card-bg); border: 1px solid var(--card-border); }
.theme-btn { padding: 4px 9px; border: 0; border-radius: 999px; background: transparent; color: var(--ink-soft); font-size: 0.72rem; font-weight: 600; cursor: pointer; transition: background 200ms, color 200ms; }
.theme-btn.is-active { background: var(--meadow); color: #fff; }

/* ─── Language Dropdown ─────────────────────────── */
.lang-dropdown { position: relative; }
.lang-dropdown__trigger {
  display: flex; align-items: center; gap: 4px;
  padding: 5px 10px;
  font-weight: 600; font-size: 0.8rem;
}
.lang-dropdown__globe { font-size: 0.9rem; line-height: 1; }
.lang-dropdown__code { font-weight: 700; }
.lang-dropdown__chevron { font-size: 0.6rem; opacity: 0.7; }

.lang-dropdown__menu {
  position: absolute; top: calc(100% + 6px); right: 0;
  min-width: 160px; margin: 0; padding: 6px 0;
  list-style: none;
  border-radius: var(--radius-md);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: 0 8px 24px rgba(0,0,0,0.12);
  backdrop-filter: blur(8px);
  z-index: var(--z-popover);
  opacity: 0;
  transform: translateY(-4px);
  transition: opacity 180ms ease, transform 180ms ease;
  pointer-events: none;
}
.lang-dropdown__menu[aria-hidden="false"],
.lang-dropdown__menu:not([hidden]) {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.lang-dropdown__menu[hidden] {
  display: block !important;
  opacity: 0;
  transform: translateY(-4px);
  pointer-events: none;
  visibility: hidden;
}
.lang-dropdown__menu.is-open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  visibility: visible;
}

.lang-dropdown__item {
  display: flex; align-items: center; gap: 8px;
  padding: 9px 14px;
  font-size: 0.88rem; font-weight: 500;
  color: var(--ink); cursor: pointer;
  transition: background 120ms ease;
}
.lang-dropdown__item:hover,
.lang-dropdown__item.is-focused { background: rgba(127,163,107,0.08); }
.lang-dropdown__item[aria-selected="true"]::before {
  content: '✓'; font-size: 0.75rem; color: var(--meadow); font-weight: 700;
}
.lang-dropdown__item[aria-selected="false"]::before {
  content: ''; display: inline-block; width: 0.75rem;
}

/* ─── Overlay container (for popovers) ──────────── */
.overlay-container {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: var(--z-popover);
}

/* ─── Buttons ───────────────────────────────────── */
.btn { border: 0; border-radius: 999px; cursor: pointer; font-weight: 600; transition: transform 150ms ease, box-shadow 200ms ease; }
.btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; }
.btn--primary { padding: 14px 28px; font-size: 1rem; color: #fff; background: var(--meadow); box-shadow: 0 4px 16px rgba(127,163,107,0.2); }
.btn--primary:hover:not(:disabled) { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(127,163,107,0.3); }
.btn--ghost { padding: 10px 20px; font-size: 0.9rem; color: var(--ink-soft); background: transparent; border: 1.5px solid var(--card-border); }
.btn--ghost:hover { background: rgba(127,163,107,0.06); }
.btn--control { padding: 7px 14px; font-size: 0.82rem; color: var(--ink); background: var(--card-bg); border: 1px solid var(--card-border); font-weight: 500; }
.btn--control:hover { transform: translateY(-1px); }
.btn--small { padding: 5px 12px; font-size: 0.76rem; color: var(--ink); background: var(--card-bg); border: 1px solid var(--card-border); font-weight: 500; }

/* ─── Welcome ───────────────────────────────────── */
.welcome-screen { background: transparent; }
.welcome-card {
  width: min(480px, 100%); padding: clamp(28px, 5vw, 48px);
  border-radius: var(--radius-xl); background: var(--card-bg);
  border: 1px solid var(--card-border); box-shadow: var(--card-shadow);
  text-align: center; backdrop-filter: blur(6px);
}
.welcome-title { margin: 0; font-family: var(--font-display); font-size: clamp(2.4rem, 6vw, 3.6rem); color: var(--ink); font-weight: 600; }
.welcome-body { margin: 16px auto 24px; max-width: 36ch; color: var(--ink-soft); font-size: 0.95rem; line-height: 1.8; }
.welcome-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }

/* ─── Spirits ───────────────────────────────────── */
.spirit-screen { background: transparent; }
.spirit-card { width: min(640px, 100%); padding: clamp(24px, 4vw, 40px); border-radius: var(--radius-xl); background: var(--card-bg); border: 1px solid var(--card-border); box-shadow: var(--card-shadow); text-align: center; }
.spirit-title { margin: 0; font-family: var(--font-display); font-size: clamp(1.8rem, 4vw, 2.6rem); color: var(--ink); }
.spirit-subtitle { margin: 6px 0 20px; color: var(--ink-soft); font-size: 0.9rem; }

.spirit-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 20px; }
.spirit-option { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 14px 8px; border-radius: var(--radius-lg); border: 2px solid var(--card-border); background: var(--card-bg); cursor: pointer; transition: transform var(--transition), border-color var(--transition); }
.spirit-option:hover { transform: translateY(-3px); }
.spirit-option.is-selected, .spirit-option[aria-checked="true"] { border-color: var(--meadow); box-shadow: 0 0 0 3px rgba(127,163,107,0.15); }
.spirit-option__name { font-family: var(--font-display); font-size: 1.1rem; color: var(--ink); }
.spirit-option__type { font-size: 0.72rem; color: var(--ink-soft); letter-spacing: 0.02em; }

.spirit-card__actions { display: flex; gap: 10px; justify-content: center; align-items: center; }

.mode-back { margin-top: 16px; }

/* Spirit portrait */
.spirit-portrait { width: 72px; height: 72px; display: flex; align-items: center; justify-content: center; background: rgba(169,190,145,0.1); border-radius: var(--radius-lg); overflow: visible; }
.spirit-portrait__img { width: 100%; height: 100%; object-fit: contain; }
.spirit-portrait__img.is-placeholder { display: none; }
/* When image fails, show a tinted circle with spirit initial via CSS */
.spirit-portrait:has(.is-placeholder) { background: linear-gradient(135deg, rgba(169,190,145,0.15), rgba(154,142,184,0.1)); border: 1.5px dashed var(--sage); }
.spirit-portrait:has(.is-placeholder)::after { content: attr(data-spirit-img); font-family: var(--font-display); font-size: 0.8rem; color: var(--ink-soft); text-transform: capitalize; }

/* ─── Mode Selection ────────────────────────────── */
.mode-screen { background: transparent; }
.mode-card { width: min(520px, 100%); padding: clamp(24px, 4vw, 40px); border-radius: var(--radius-xl); background: var(--card-bg); border: 1px solid var(--card-border); box-shadow: var(--card-shadow); text-align: center; }
.mode-title { margin: 0 0 20px; font-family: var(--font-display); font-size: clamp(1.5rem, 3.5vw, 2rem); color: var(--ink); }
.mode-options { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.mode-option { display: flex; flex-direction: column; gap: 6px; padding: 20px 14px; border-radius: var(--radius-lg); border: 2px solid var(--card-border); background: var(--card-bg); cursor: pointer; text-align: center; transition: transform var(--transition), border-color var(--transition); }
.mode-option:hover { transform: translateY(-2px); border-color: var(--meadow); }
.mode-option__title { font-family: var(--font-display); font-size: 1.1rem; color: var(--ink); }
.mode-option__desc { font-size: 0.82rem; color: var(--ink-soft); line-height: 1.5; }

/* ─── Studio ────────────────────────────────────── */
.studio-screen {
  display: grid; place-items: center;
  padding: 24px;
  background: transparent;
}

.studio-shell {
  width: min(1500px, calc(100vw - 48px));
  min-height: calc(100vh - 120px);
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr) auto;
  gap: 16px;
  padding: 24px;
  border-radius: 28px;
  background-color: rgba(255, 252, 239, 0.82);
  border: 1px solid rgba(96, 122, 78, 0.2);
  box-shadow: 0 18px 50px rgba(39, 56, 38, 0.14);
  backdrop-filter: blur(10px);
}
:root[data-theme="night"] .studio-shell {
  background-color: rgba(19, 35, 50, 0.82);
  border-color: rgba(197, 218, 178, 0.18);
  box-shadow: 0 18px 55px rgba(0, 0, 0, 0.3);
}
:root[data-theme="dusk"] .studio-shell {
  background-color: rgba(35, 30, 48, 0.78);
  border-color: rgba(197, 180, 210, 0.18);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.25);
}

.studio-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 16px;
}
.studio-transport { display: flex; gap: 8px; }
.studio-sliders { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }
.range-control { display: flex; align-items: center; gap: 5px; font-size: 0.78rem; color: var(--ink-soft); font-weight: 500; }
.range-control input { width: 72px; accent-color: var(--meadow); }
.range-control span[data-display] { min-width: 2ch; }

.studio-status {
  display: flex; gap: 8px; align-items: center; flex-wrap: wrap;
  padding: 8px 14px; border-radius: var(--radius-md);
  background: rgba(169,190,145,0.06); border: 1px solid var(--card-border);
  font-size: 0.85rem; color: var(--ink-soft);
}
.studio-status__sep { opacity: 0.4; }
.layer-message { margin: 0; padding: 6px 12px; background: rgba(233,123,112,0.1); border-radius: var(--radius-sm); color: var(--coral); font-size: 0.82rem; }

.studio-content {
  min-height: 0;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
}

/* Spirit panel */
.spirit-panel {
  align-self: start;
  padding: 20px;
  border-radius: 22px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  display: grid; gap: 12px; justify-items: center;
}
.spirit-panel__portrait { width: 120px; }
.spirit-panel__portrait img, .spirit-panel__img { width: 100%; height: auto; object-fit: contain; }
.spirit-speech { padding: 12px; border-radius: var(--radius-md); background: rgba(169,190,145,0.06); border: 1px solid var(--card-border); width: 100%; }
.spirit-speech p { margin: 0; font-size: 0.85rem; line-height: 1.55; color: var(--ink-soft); }

/* Ingredient panel + grid */
.ingredient-panel {
  min-width: 0;
  display: flex;
  align-items: stretch;
}
.ingredient-grid {
  width: 100%;
  display: grid;
  grid-template-columns: repeat(4, minmax(120px, 1fr));
  grid-template-rows: repeat(3, minmax(125px, 1fr));
  gap: 14px;
  align-content: stretch;
}

.ingredient-btn {
  display: grid; grid-template-rows: 58px auto auto;
  align-content: center; justify-items: center; gap: 5px;
  padding: 14px 10px; min-height: 125px;
  border-radius: 18px; border: 1.5px solid var(--card-border);
  background: var(--card-bg); cursor: pointer; text-align: center;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}
.ingredient-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 16px rgba(52,66,62,0.1); }
.ingredient-btn:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.ingredient-btn.is-active { border-color: var(--meadow); box-shadow: 0 0 0 3px rgba(127,163,107,0.18); }
.ingredient-btn.is-recommended {
  position: relative; z-index: 2;
  border: 3px solid #f2c94c;
  box-shadow: 0 0 0 3px rgba(242,201,76,0.22), 0 0 20px 6px rgba(242,201,76,0.45);
  animation: recommendedPulse 1.6s ease-in-out infinite;
  filter: brightness(1.06);
}
.ingredient-btn.is-recommended::after {
  content: attr(data-next-badge);
  position: absolute; top: 6px; right: 6px;
  padding: 2px 7px; border-radius: 8px;
  background: rgba(242,201,76,0.9); color: #4a3a00;
  font-size: 0.6rem; font-weight: 700; letter-spacing: 0.02em;
  pointer-events: none;
}
@keyframes recommendedPulse {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 3px rgba(242,201,76,0.22), 0 0 18px 6px rgba(242,201,76,0.4); }
  50% { transform: scale(1.025); box-shadow: 0 0 0 4px rgba(242,201,76,0.3), 0 0 26px 10px rgba(242,201,76,0.6); }
}
:root[data-theme="night"] .ingredient-btn.is-recommended { box-shadow: 0 0 0 3px rgba(242,201,76,0.3), 0 0 22px 8px rgba(242,201,76,0.5); }
:root[data-theme="dusk"] .ingredient-btn.is-recommended { box-shadow: 0 0 0 3px rgba(242,201,76,0.25), 0 0 20px 7px rgba(242,201,76,0.45); }
.ingredient-btn.is-playing { animation: ingredientHit 200ms ease-out; }

.ingredient-btn__img { width: 58px; height: 58px; object-fit: contain; }
.ingredient-btn__name { font-size: 0.9rem; font-weight: 600; color: var(--ink); line-height: 1.2; }
.ingredient-btn__role { font-size: 0.68rem; color: var(--ink-soft); text-transform: uppercase; letter-spacing: 0.05em; font-weight: 500; }

/* Recipe feedback: missing ingredient */
.ingredient-btn.is-recipe-missing {
  border-color: #e88; box-shadow: 0 0 0 3px rgba(220,80,80,0.2);
  animation: recipeMissingShake 400ms ease-out;
}
.ingredient-btn.is-recipe-extra {
  border-color: #dda644; box-shadow: 0 0 0 3px rgba(220,166,68,0.2);
  animation: recipeMissingShake 400ms ease-out;
}
@keyframes recipeMissingShake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-4px); }
  40% { transform: translateX(4px); }
  60% { transform: translateX(-3px); }
  80% { transform: translateX(2px); }
}

/* Spirit speech warning state */
.spirit-speech.is-warning {
  background: rgba(220,100,80,0.08);
  border-color: rgba(220,100,80,0.2);
}

/* Studio actions */
.studio-actions { display: flex; justify-content: flex-end; align-items: center; gap: 14px; }

/* ─── Recipes ───────────────────────────────────── */
.recipe-screen { background: transparent; }
.recipe-card { width: min(860px, 100%); padding: clamp(20px, 4vw, 36px); border-radius: var(--radius-xl); background: var(--card-bg); border: 1px solid var(--card-border); box-shadow: var(--card-shadow); text-align: center; }
.recipe-title { margin: 0; font-family: var(--font-display); font-size: clamp(1.6rem, 3.5vw, 2.2rem); color: var(--ink); }
.recipe-subtitle { margin: 6px 0 20px; color: var(--ink-soft); font-size: 0.88rem; }
.recipe-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 20px;
  text-align: left;
}
.recipe-grid-card {
  display: flex; flex-direction: column;
  border-radius: var(--radius-lg);
  border: 1px solid var(--card-border);
  background: var(--card-bg);
  cursor: pointer;
  overflow: hidden;
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.recipe-grid-card:hover { transform: translateY(-3px); box-shadow: 0 6px 20px rgba(52,66,62,0.1); }
.recipe-grid-card:focus-visible { outline: none; box-shadow: var(--focus-ring); }
.recipe-grid-card__img {
  width: 100%; aspect-ratio: 1; object-fit: contain;
  background: rgba(169,190,145,0.04);
}
.recipe-grid-card__body { padding: 10px 12px; flex: 1; display: flex; flex-direction: column; gap: 3px; }
.recipe-grid-card__mood { font-size: 0.62rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--meadow); font-weight: 600; }
.recipe-grid-card__name { display: block; font-family: var(--font-display); font-size: 1rem; color: var(--ink); }
.recipe-grid-card__desc { font-size: 0.74rem; color: var(--ink-soft); line-height: 1.45; }
.recipe-grid-card__meta { margin-top: auto; padding-top: 6px; font-size: 0.65rem; font-weight: 600; color: var(--meadow); }

/* ─── Postcard ──────────────────────────────────── */
.postcard-screen { background: transparent; }
.postcard-card { width: min(700px, 100%); padding: clamp(20px, 4vw, 36px); border-radius: var(--radius-xl); background: var(--card-bg); border: 1px solid var(--card-border); text-align: center; }
.postcard-title { margin: 0 0 12px; font-family: var(--font-display); font-size: 1.8rem; color: var(--ink); }
.postcard-name-label { display: block; margin-bottom: 12px; text-align: left; font-size: 0.82rem; color: var(--ink-soft); }
.postcard-name-input { display: block; width: 100%; margin-top: 4px; padding: 8px 12px; border-radius: var(--radius-sm); border: 1px solid var(--card-border); background: var(--card-bg); color: var(--ink); }
.postcard-canvas { width: 100%; max-width: 640px; aspect-ratio: 4 / 3; border-radius: var(--radius-lg); border: 1px solid var(--card-border); margin: 0 auto 16px; display: block; }
.postcard-actions { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }

/* ─── Recipe Mismatch Dialog ─────────────────────── */
.mismatch-dialog {
  border: none; border-radius: 24px;
  padding: 28px 32px; max-width: min(440px, calc(100vw - 32px));
  background: var(--card-bg); color: var(--ink);
  box-shadow: 0 16px 50px rgba(0,0,0,0.2);
  text-align: center;
}
.mismatch-dialog::backdrop { background: rgba(25,30,25,0.4); }
.mismatch-dialog__message {
  margin: 0 0 14px; font-size: 1.05rem; line-height: 1.55; color: var(--ink); font-weight: 600;
}
.mismatch-dialog__details { margin-bottom: 20px; }
.mismatch-detail {
  margin: 6px 0; padding: 8px 14px; border-radius: var(--radius-md);
  font-size: 0.88rem; line-height: 1.4;
}
.mismatch-detail--missing { background: rgba(220,80,80,0.08); color: #b44; }
.mismatch-detail--extra { background: rgba(200,160,50,0.08); color: #996; }
:root[data-theme="night"] .mismatch-detail--missing { background: rgba(220,100,100,0.12); color: #e99; }
:root[data-theme="night"] .mismatch-detail--extra { background: rgba(220,180,80,0.12); color: #dc9; }
:root[data-theme="dusk"] .mismatch-detail--missing { background: rgba(220,90,90,0.1); color: #d88; }
:root[data-theme="dusk"] .mismatch-detail--extra { background: rgba(210,170,60,0.1); color: #cb8; }
.mismatch-dialog__actions { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }

/* ─── Audio Export Dialog ─────────────────────────── */
.export-dialog {
  border: none; border-radius: 24px;
  padding: 28px 32px; max-width: min(440px, calc(100vw - 32px));
  background: var(--card-bg); color: var(--ink);
  box-shadow: 0 16px 50px rgba(0,0,0,0.18);
}
.export-dialog::backdrop { background: rgba(25,30,25,0.4); }
.export-dialog__title { margin: 0 0 18px; font-family: var(--font-display); font-size: 1.4rem; color: var(--ink); }
.export-dialog__settings { display: grid; gap: 14px; margin-bottom: 16px; }
.export-setting { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; font-size: 0.85rem; }
.export-setting__label { font-weight: 600; color: var(--ink-soft); grid-column: 1 / -1; }
.export-setting__input { width: 100%; accent-color: var(--meadow); }
.export-setting__select { padding: 6px 12px; border-radius: var(--radius-sm); border: 1px solid var(--card-border); background: var(--card-bg); color: var(--ink); font-size: 0.85rem; }
.export-setting__value { font-size: 0.78rem; color: var(--ink-soft); min-width: 5ch; text-align: right; }
.export-dialog__summary { padding: 10px 14px; border-radius: var(--radius-md); background: rgba(169,190,145,0.08); font-size: 0.82rem; color: var(--ink-soft); margin-bottom: 16px; }
.export-dialog__actions { display: flex; gap: 10px; justify-content: flex-end; }
.export-dialog__status { margin: 12px 0 0; font-size: 0.82rem; color: var(--meadow); text-align: center; }
.export-mode-toggle { display: flex; gap: 12px; font-size: 0.85rem; }
.export-mode-toggle label { display: flex; align-items: center; gap: 4px; cursor: pointer; }
.export-loop-controls { display: flex; gap: 8px; align-items: center; }
.export-loop-controls input[type="range"] { flex: 1; }
.export-num-input { width: 56px; padding: 4px 8px; border-radius: var(--radius-sm); border: 1px solid var(--card-border); background: var(--card-bg); color: var(--ink); font-size: 0.85rem; text-align: center; }
.export-quick-loops, .export-duration-presets { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.export-quick { padding: 4px 10px; border-radius: 999px; border: 1px solid var(--card-border); background: var(--card-bg); color: var(--ink); font-size: 0.75rem; cursor: pointer; }
.export-quick:hover { background: rgba(127,163,107,0.08); }
.export-custom-dur { display: flex; gap: 4px; align-items: center; margin-top: 8px; font-size: 0.85rem; }

/* ─── Confirm Dialog ─────────────────────────────── */
.confirm-dialog {
  border: none; border-radius: 24px;
  padding: 28px 32px; max-width: min(420px, calc(100vw - 32px));
  background: var(--card-bg); color: var(--ink);
  box-shadow: 0 16px 50px rgba(0,0,0,0.18);
}
.confirm-dialog::backdrop { background: rgba(25,30,25,0.45); }
.confirm-dialog__message { margin: 0 0 20px; font-size: 1rem; line-height: 1.6; color: var(--ink); }
.confirm-dialog__actions { display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }

/* ─── How It Works Modal ────────────────────────── */
.how-modal {
  border: none; border-radius: 24px;
  padding: 32px; max-width: min(480px, calc(100vw - 32px));
  background: var(--card-bg); color: var(--ink);
  box-shadow: 0 20px 60px rgba(0,0,0,0.2);
}
.how-modal::backdrop { background: rgba(25,30,25,0.5); }
.how-modal__title { margin: 0 0 20px; font-family: var(--font-display); font-size: 1.6rem; color: var(--ink); }
.how-modal__steps { margin: 0 0 24px; padding: 0; list-style: none; counter-reset: step; }
.how-modal__steps li { margin-bottom: 16px; padding-left: 32px; position: relative; }
.how-modal__steps li::before { content: counter(step); counter-increment: step; position: absolute; left: 0; top: 0; width: 22px; height: 22px; border-radius: 50%; background: var(--meadow); color: #fff; font-size: 0.72rem; font-weight: 700; display: grid; place-items: center; }
.how-modal__steps li strong { display: block; font-size: 0.95rem; margin-bottom: 4px; color: var(--ink); }
.how-modal__steps li span { font-size: 0.85rem; color: var(--ink-soft); line-height: 1.5; }
.how-modal__close { display: block; margin: 0 auto; }

/* ─── Guide Spirit Layer ────────────────────────── */
.guide-spirit-layer { position: fixed; inset: 0; pointer-events: none; z-index: var(--z-guide); }

/* Spirit element in the floating layer */
.guide-spirit {
  position: absolute;
  width: 64px; height: 64px;
  will-change: transform, opacity;
  transition: opacity 400ms ease;
}
.guide-spirit__img {
  width: 100%; height: 100%;
  object-fit: contain;
  display: block;
}

/* ─── IDLE floating (per-spirit timing offsets) ─── */
.guide-spirit--idle {
  animation: spiritFloat var(--spirit-float-dur, 3.4s) ease-in-out infinite,
             spiritRotate var(--spirit-rotate-dur, 4.2s) ease-in-out infinite,
             spiritBreathe var(--spirit-breathe-dur, 5s) ease-in-out infinite;
}

/* Individual timing so they never sync */
.guide-spirit[data-spirit-id="bee"] { --spirit-float-dur: 3.2s; --spirit-rotate-dur: 4.0s; --spirit-breathe-dur: 4.8s; }
.guide-spirit[data-spirit-id="bird"] { --spirit-float-dur: 3.6s; --spirit-rotate-dur: 4.4s; --spirit-breathe-dur: 5.2s; }
.guide-spirit[data-spirit-id="dragonfly"] { --spirit-float-dur: 2.9s; --spirit-rotate-dur: 3.7s; --spirit-breathe-dur: 4.5s; }
.guide-spirit[data-spirit-id="butterfly"] { --spirit-float-dur: 3.8s; --spirit-rotate-dur: 4.6s; --spirit-breathe-dur: 5.5s; }

@keyframes spiritFloat {
  0%, 100% { translate: 0 0; }
  50% { translate: 0 -8px; }
}
@keyframes spiritRotate {
  0%, 100% { rotate: -1.5deg; }
  50% { rotate: 1.5deg; }
}
@keyframes spiritBreathe {
  0%, 100% { scale: 0.99; }
  50% { scale: 1.01; }
}

/* ─── FLYING ─────────────────────────────────────── */
.guide-spirit--flying {
  animation: none;
}
.guide-spirit--flip {
  transform: scaleX(-1);
}

/* ─── GUIDING state ──────────────────────────────── */
.guide-spirit--guiding {
  animation: spiritFloat 3s ease-in-out infinite;
  z-index: 502;
}

/* Watercolor halo behind guiding spirit */
.guide-spirit__halo {
  position: absolute;
  inset: -18px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(169,190,145,0.35) 0%, rgba(169,190,145,0.12) 50%, transparent 72%);
  filter: blur(6px);
  opacity: 0;
  transition: opacity 500ms ease;
  pointer-events: none;
}
.guide-spirit--guiding .guide-spirit__halo {
  opacity: 1;
}

/* Guiding overlay (dims the rest of the screen) */
.guide-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.42);
  z-index: 499;
  opacity: 0;
  pointer-events: none;
  transition: opacity 500ms ease;
}
.guide-overlay--active {
  opacity: 1;
  pointer-events: auto;
}

/* Target illumination cutout */
.guide-spotlight {
  position: fixed;
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 9999px rgba(0,0,0,0.42);
  z-index: 500;
  pointer-events: none;
  transition: all 500ms cubic-bezier(0.25,1,0.5,1);
}

/* Dialogue card */
.guide-dialogue {
  position: fixed;
  z-index: 503;
  max-width: 280px;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  box-shadow: 0 6px 20px rgba(0,0,0,0.12);
  font-size: 0.85rem;
  line-height: 1.55;
  color: var(--ink);
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 400ms ease, transform 400ms ease;
  pointer-events: none;
}
.guide-dialogue--visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── CELEBRATING ────────────────────────────────── */
.guide-spirit--celebrating {
  animation: celebrateArc 600ms cubic-bezier(0.33, 1, 0.68, 1) forwards;
}
@keyframes celebrateArc {
  0% { translate: 0 0; }
  40% { translate: 0 -18px; }
  100% { translate: 0 0; }
}

/* ─── Trail particles ────────────────────────────── */
.spirit-trail {
  position: absolute;
  pointer-events: none;
  will-change: transform, opacity;
}

/* Pollen (Aurelia) */
.spirit-trail--pollen {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(244,215,125,0.85), rgba(244,215,125,0.2));
}

/* Feather (Lark) */
.spirit-trail--feather {
  width: 10px; height: 4px;
  border-radius: 50%;
  background: rgba(233,123,112,0.5);
  filter: blur(0.5px);
}

/* Ripple (Rill) */
.spirit-trail--ripple {
  width: 16px; height: 16px;
  border-radius: 50%;
  border: 1.5px solid rgba(156,205,221,0.6);
  background: transparent;
}

/* Petal (Iris) */
.spirit-trail--petal {
  width: 8px; height: 12px;
  border-radius: 50% 50% 50% 0;
  background: rgba(154,142,184,0.45);
  filter: blur(0.3px);
}

/* ─── Spirit selection screen hover/card animation ─ */
.spirit-option .spirit-portrait__img {
  animation: spiritFloat 3.4s ease-in-out infinite,
             spiritBreathe 5s ease-in-out infinite;
}
.spirit-option:nth-child(1) .spirit-portrait__img { animation-duration: 3.2s, 4.8s; }
.spirit-option:nth-child(2) .spirit-portrait__img { animation-duration: 3.6s, 5.2s; }
.spirit-option:nth-child(3) .spirit-portrait__img { animation-duration: 2.9s, 4.5s; }
.spirit-option:nth-child(4) .spirit-portrait__img { animation-duration: 3.8s, 5.5s; }

.spirit-option:hover .spirit-portrait__img {
  translate: 0 -3px;
  transition: translate 300ms ease;
}

/* After selection: unselected cards dim */
.spirit-option.is-dimmed {
  opacity: 0.45;
  transform: scale(0.97);
  transition: opacity 400ms ease, transform 400ms ease;
}

/* ─── Animations ────────────────────────────────── */
@keyframes cloudDrift {
  0%, 100% { transform: translateX(0); }
  50% { transform: translateX(14px); }
}
@keyframes sunPulse {
  0%, 100% { opacity: 0.6; transform: scale(1); }
  50% { opacity: 0.75; transform: scale(1.03); }
}
@keyframes grassSway {
  0%, 100% { transform: skewX(0deg); }
  25% { transform: skewX(0.5deg); }
  75% { transform: skewX(-0.5deg); }
}
@keyframes firefly1 {
  0%, 100% { transform: translate(0, 0); opacity: 0.3; }
  30% { opacity: 0.9; }
  50% { transform: translate(20px, -15px); opacity: 0.5; }
  80% { opacity: 0.8; }
}
@keyframes firefly2 {
  0%, 100% { transform: translate(0, 0); opacity: 0.2; }
  40% { opacity: 0.85; }
  60% { transform: translate(-15px, -10px); opacity: 0.4; }
  90% { opacity: 0.7; }
}
@keyframes softPulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-1px); }
}
@keyframes ingredientHit {
  0% { transform: scale(1); }
  40% { transform: scale(1.04); }
  100% { transform: scale(1); }
}

/* ─── Responsive ────────────────────────────────── */
@media (max-width: 1099px) {
  .studio-content { grid-template-columns: 1fr; }
  .spirit-panel { display: grid; grid-template-columns: auto 1fr; align-items: center; gap: 16px; }
  .spirit-panel__portrait { width: 80px; }
  .ingredient-grid { grid-template-columns: repeat(3, minmax(120px, 1fr)); grid-template-rows: none; }
}

@media (max-width: 768px) {
  .spirit-grid { grid-template-columns: repeat(2, 1fr); }
  .mode-options { grid-template-columns: 1fr; }
  .recipe-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .studio-toolbar { flex-direction: column; align-items: stretch; }
  .studio-shell { width: calc(100% - 20px); padding: 16px; }
}

@media (max-width: 699px) {
  .ingredient-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: none; }
  .studio-shell { min-height: auto; }
}

@media (max-width: 480px) {
  .welcome-card, .spirit-card, .mode-card { padding: 20px 16px; }
  .recipe-grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  /* Allow background cross-fades (opacity only, no motion) */
  .env-bg__dawn,
  .env-bg__day,
  .env-bg__dusk,
  .env-bg__night,
  .env-foreground__grass,
  .env-lantern {
    transition-duration: 1.8s !important;
  }
  .env-foreground__grass { animation: none !important; }
  .env-lantern__img { animation: none !important; filter: none !important; }
  .guide-spirit--idle,
  .guide-spirit--guiding,
  .guide-spirit--celebrating,
  .spirit-option .spirit-portrait__img {
    animation: none !important;
    translate: none !important;
  }
  .guide-spirit--flying {
    transition: opacity 1ms !important;
  }
  .spirit-trail { display: none !important; }
  .ingredient-btn.is-recommended { animation: none !important; transform: none !important; }
}