/* ============================================================
   theme.css — shared design system (mobile-first)
   Loaded on every page. Page-specific css files build on top.
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700;800&display=swap');

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

:root {
  /* These are overwritten at runtime by theme.js to match the food. */
  --accent:   #2EA866;        /* primary (default emerald) */
  --accent-2: #57CC8B;        /* lighter tone for gradients */
  --accent-d: #1E8A53;        /* deeper tone for gradients/pressed */
  --bg-tint:  rgba(46,168,102,0.10);
  --on-accent:#ffffff;        /* text color that sits ON the accent */

  /* Reusable gradients (auto-update when the accents change). */
  --grad-accent: linear-gradient(135deg, var(--accent-2) 0%, var(--accent) 55%, var(--accent-d) 100%);
  --grad-hero:   linear-gradient(150deg, var(--accent-2) 0%, var(--accent) 40%, var(--accent-d) 100%);
  --grad-soft:   linear-gradient(160deg, color-mix(in srgb, var(--accent) 12%, #fff) 0%, #ffffff 60%);

  /* Static tokens */
  --surface:  #ffffff;
  --ink:      #1c2418;
  --ink-soft: #7b857a;
  --line:     #eef0ec;
  --radius:   24px;
  --radius-sm:16px;
  --shadow:   0 12px 40px rgba(20,30,15,0.10);
  --shadow-sm:0 6px 18px rgba(20,30,15,0.08);
  --nav-h:    72px;

  --t-morph: 0.8s cubic-bezier(.4,0,.2,1);   /* background color morph */
  --t-ui:    0.25s ease;
}

html, body { height: 100%; }

/* SVG icons inherit color (currentColor) and scale with font-size. */
.ic { width: 1em; height: 1em; display: inline-block; vertical-align: middle; flex-shrink: 0; }

body {
  font-family: 'Poppins', system-ui, sans-serif;
  color: var(--ink);
  /* The "magic" surface that morphs to the food color */
  background: var(--bg-tint);
  transition: background var(--t-morph);
  display: flex;
  justify-content: center;
  min-height: 100dvh;
}

.page-loader {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 14px;
  background:
    radial-gradient(70% 48% at 50% 18%, var(--bg-tint), transparent 62%),
    var(--surface);
  color: var(--ink);
  transition: opacity .34s ease, transform .34s ease;
}
.page-loader.hide {
  opacity: 0;
  transform: scale(1.02);
  pointer-events: none;
}
.loader-scan {
  position: relative;
  width: 132px;
  height: 132px;
  display: grid;
  place-items: center;
}
.loader-scan img {
  width: 84px;
  height: 84px;
  object-fit: contain;
  filter: drop-shadow(0 12px 20px rgba(20,30,15,.12));
  animation: loaderPop .7s cubic-bezier(.34,1.56,.64,1) both, loaderFloat 1.8s ease-in-out infinite;
}
.loader-ring {
  position: absolute;
  inset: 16px;
  border-radius: 50%;
  border: 3px solid var(--accent);
  border-top-color: transparent;
  border-right-color: color-mix(in srgb, var(--accent) 35%, transparent);
  animation: loaderSpin 1s linear infinite;
}
.loader-pulse {
  position: absolute;
  inset: 24px;
  border-radius: 50%;
  background: var(--bg-tint);
  animation: loaderPulse 1.4s ease-out infinite;
}
.loader-corner {
  position: absolute;
  width: 28px;
  height: 28px;
  border-color: var(--accent);
  animation: loaderCorner 1.35s ease-in-out infinite;
}
.loader-corner.c1 { left: 8px; top: 8px; border-left: 4px solid var(--accent); border-top: 4px solid var(--accent); border-top-left-radius: 8px; }
.loader-corner.c2 { right: 8px; top: 8px; border-right: 4px solid var(--accent); border-top: 4px solid var(--accent); border-top-right-radius: 8px; animation-delay: .08s; }
.loader-corner.c3 { right: 8px; bottom: 8px; border-right: 4px solid var(--accent); border-bottom: 4px solid var(--accent); border-bottom-right-radius: 8px; animation-delay: .16s; }
.loader-corner.c4 { left: 8px; bottom: 8px; border-left: 4px solid var(--accent); border-bottom: 4px solid var(--accent); border-bottom-left-radius: 8px; animation-delay: .24s; }
.loader-text {
  min-width: 190px;
  text-align: center;
  font-size: .82rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--ink-soft);
  animation: loaderText .9s ease-in-out infinite alternate;
}
.loader-text.swap {
  animation: loaderSwap .28s ease both;
}

/* Phone-shaped container — mobile-first, framed on desktop */
.app {
  width: 100%;
  max-width: 430px;
  min-height: 100dvh;
  background: var(--surface);
  position: relative;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
@media (min-width: 480px) {
  body {
    align-items: center;
    padding: 32px 0;
    /* Branded desktop backdrop — the top glow still tints with the food color. */
    background:
      radial-gradient(90% 55% at 50% -8%, var(--bg-tint), transparent 60%),
      linear-gradient(165deg, #f5f7f2 0%, #e8ede3 100%);
  }
  .app {
    min-height: 860px;
    max-height: 94dvh;
    border-radius: 40px;
    box-shadow: 0 30px 80px rgba(20, 30, 15, 0.18);
    border: 1px solid rgba(255, 255, 255, 0.7);
  }
}

/* Shell pieces (injected by icons.js). Hidden / pass-through on mobile;
   become a sidebar + content layout on desktop. */
.desktop-aside { display: none; }
.app-main { display: flex; flex-direction: column; flex: 1; min-height: 0; width: 100%; }

/* ── Desktop (>=1024px): real web-app layout — sidebar + wide content ── */
@media (min-width: 1024px) {
  body { padding: 36px; align-items: center; justify-content: center; }

  .app.has-shell {
    flex-direction: row;
    width: min(1140px, 96vw);
    max-width: none;
    height: min(88dvh, 800px);
    min-height: 0; max-height: none;
    border-radius: 32px;
    overflow: hidden;
  }

  /* Sidebar */
  .desktop-aside {
    display: flex; flex-direction: column; gap: 28px;
    flex: 0 0 264px; height: 100%; padding: 30px 22px;
    color: var(--on-accent);
    background: var(--grad-hero);
    transition: background var(--t-morph), color var(--t-morph);
  }
  .da-brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: inherit; }
  .da-logo {
    width: 52px; height: 52px; flex: 0 0 52px; border-radius: 16px;
    background: rgba(255, 255, 255, 0.2); display: grid; place-items: center;
    overflow: hidden;
  }
  .da-logo .ic { width: 28px; height: 28px; }
  .da-logo img { width: 100%; height: 100%; object-fit: cover; display: block; }
  .da-title { font-size: 1.25rem; font-weight: 800; letter-spacing: .04em; display: block; line-height: 1.1; }
  .da-tag { font-size: .78rem; opacity: .85; display: block; }

  .da-nav { display: flex; flex-direction: column; gap: 6px; }
  .da-nav a {
    display: flex; align-items: center; gap: 12px;
    padding: 12px 14px; border-radius: 14px;
    color: var(--on-accent); text-decoration: none; font-weight: 500;
    opacity: .82; transition: var(--t-ui);
    position: relative; overflow: hidden;
  }
  .da-nav a .ic { width: 20px; height: 20px; }
  .da-nav a::before {
    content: ''; position: absolute; inset: 8px auto 8px 0; width: 3px;
    border-radius: 999px; background: currentColor; opacity: 0;
    transform: scaleY(.35); transition: var(--t-ui);
  }
  .da-nav a:hover { opacity: 1; background: rgba(255, 255, 255, 0.12); transform: translateX(2px); }
  .da-nav a.active { opacity: 1; background: rgba(255, 255, 255, 0.22); font-weight: 600; }
  .da-nav a.active::before { opacity: .9; transform: scaleY(1); }

  /* Content area */
  .app.has-shell .app-main { height: 100%; }
  .app.has-shell .screen {
    max-width: 760px; margin: 0 auto; width: 100%;
    padding-top: 8px; padding-bottom: 32px;
  }
  .app.has-shell .bottom-nav { display: none; }
}

/* ── Top bar ───────────────────────────────────────────── */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 22px 8px;
}
.topbar .icon-btn { font-size: 1.2rem; }
.icon-btn {
  width: 42px; height: 42px; border-radius: 14px;
  display: grid; place-items: center;
  background: var(--surface); border: 1px solid var(--line);
  color: var(--ink); cursor: pointer; transition: var(--t-ui);
  font-size: 1.1rem;
  -webkit-tap-highlight-color: transparent;
}
.icon-btn:hover { border-color: color-mix(in srgb, var(--accent) 34%, var(--line)); }
.icon-btn:active { transform: scale(.94); }

/* ── Typography ────────────────────────────────────────── */
.h1 { font-size: 1.8rem; font-weight: 800; line-height: 1.1; letter-spacing: -.02em; }
.h2 { font-size: 1.25rem; font-weight: 700; }
.muted { color: var(--ink-soft); }
.underline-accent { text-decoration: underline; text-decoration-color: var(--accent); text-underline-offset: 4px; }

/* ── Page scroll area ──────────────────────────────────── */
.screen {
  flex: 1;
  padding: 0 22px calc(var(--nav-h) + 24px);
  overflow-y: auto;
}
.screen.no-nav { padding-bottom: 24px; }

/* ── Buttons ───────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  width: 100%; padding: 16px 20px;
  background: var(--grad-accent); color: var(--on-accent);
  font: inherit; font-weight: 600; font-size: 1rem;
  border: none; border-radius: 18px; cursor: pointer;
  transition: var(--t-ui), background var(--t-morph);
  box-shadow: 0 10px 24px var(--bg-tint);
  position: relative; overflow: hidden;
  -webkit-tap-highlight-color: transparent;
}
.btn::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(120deg, transparent 0%, rgba(255,255,255,.28) 45%, transparent 70%);
  transform: translateX(-140%); transition: transform .65s ease;
  pointer-events: none;
}
.btn:focus-visible::after,
.btn:hover::after { transform: translateX(140%); }
.btn:active { transform: scale(.98); }
.btn.ghost { background: var(--surface); color: var(--ink); border: 1.5px solid var(--line); box-shadow: none; }

/* ── Cards & pills ─────────────────────────────────────── */
.card {
  background: var(--surface); border-radius: var(--radius);
  box-shadow: var(--shadow-sm); padding: 18px;
}
.pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px; border-radius: 999px;
  background: var(--bg-tint); color: var(--ink);
  font-size: .8rem; font-weight: 500; white-space: nowrap;
  transition: background var(--t-morph);
}

/* ── Stepper (portion control) ─────────────────────────── */
.stepper {
  display: inline-flex; align-items: center; gap: 10px;
  background: var(--surface); border: 1px solid var(--line);
  border-radius: 999px; padding: 6px;
}
.stepper button {
  width: 34px; height: 34px; border-radius: 50%; border: none; cursor: pointer;
  background: var(--bg-tint); color: var(--accent); font-size: 1.2rem; font-weight: 700;
  display: grid; place-items: center; transition: var(--t-ui);
}
.stepper button:active { transform: scale(.9); }
.stepper .qty { min-width: 28px; text-align: center; font-weight: 700; }

/* ── Bottom nav (injected by nav.js) ───────────────────── */
.bottom-nav {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: var(--nav-h);
  background: rgba(255,255,255,.92); backdrop-filter: blur(10px);
  border-top: 1px solid var(--line);
  display: flex; align-items: center; justify-content: space-around;
  z-index: 20;
}
.bottom-nav a {
  color: var(--ink-soft); font-size: 1.3rem; text-decoration: none;
  width: 48px; height: 48px; display: grid; place-items: center;
  transition: var(--t-ui);
  border-radius: 16px; position: relative;
  -webkit-tap-highlight-color: transparent;
}
.bottom-nav a::after {
  content: ''; position: absolute; bottom: 5px; width: 5px; height: 5px;
  border-radius: 999px; background: currentColor; opacity: 0;
  transform: translateY(5px) scale(.5); transition: var(--t-ui);
}
.bottom-nav a.active { color: var(--accent); transform: translateY(-2px); }
.bottom-nav a.active::after { opacity: .75; transform: translateY(0) scale(1); }
.bottom-nav .fab {
  width: 58px; height: 58px; margin-top: -22px; border-radius: 50%;
  background: var(--accent); color: var(--on-accent); font-size: 1.5rem;
  box-shadow: 0 8px 22px var(--bg-tint);
  transition: var(--t-ui), background var(--t-morph);
  animation: fabBreath 2.8s ease-in-out infinite;
}
.bottom-nav .fab .ic {
  width: 26px;
  height: 26px;
  display: block;
  color: var(--on-accent);
  stroke: currentColor;
}
.bottom-nav .fab:active { animation: none; transform: scale(.92); }
.bottom-nav .fab::after { display: none; }

/* ── Animations ────────────────────────────────────────── */
@keyframes rise { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: none; } }
@keyframes pop  { from { opacity: 0; transform: scale(.8); }       to { opacity: 1; transform: none; } }
@keyframes loaderSpin { to { transform: rotate(360deg); } }
@keyframes loaderPop { from { opacity: 0; transform: scale(.86); } to { opacity: 1; transform: scale(1); } }
@keyframes loaderText { from { opacity: .55; transform: translateY(0); } to { opacity: 1; transform: translateY(-2px); } }
@keyframes loaderSwap { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: translateY(0); } }
@keyframes loaderPulse { from { transform: scale(.78); opacity: .6; } to { transform: scale(1.22); opacity: 0; } }
@keyframes loaderCorner { 0%,100% { transform: scale(.9); opacity: .55; } 50% { transform: scale(1.05); opacity: 1; } }
@keyframes loaderFloat { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-4px); } }
@keyframes fabBreath {
  0%, 100% { box-shadow: 0 8px 22px var(--bg-tint); transform: translateY(0); }
  50% { box-shadow: 0 12px 30px var(--bg-tint); transform: translateY(-2px); }
}
.rise { animation: rise .5s cubic-bezier(.4,0,.2,1) both; }
.pop  { animation: pop  .4s cubic-bezier(.34,1.56,.64,1) both; }
.stagger > * { animation: rise .5s cubic-bezier(.4,0,.2,1) both; }
.stagger > *:nth-child(2){ animation-delay:.06s } .stagger > *:nth-child(3){ animation-delay:.12s }
.stagger > *:nth-child(4){ animation-delay:.18s } .stagger > *:nth-child(5){ animation-delay:.24s }
.stagger > *:nth-child(6){ animation-delay:.30s }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}