/* ═══════════════════════════════════════════════════════════════
   DIPPIN DOTS - Design Tokens + Global Styles
   Jewel-box dark craft studio. Warm, radiant, alive.
═══════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Nunito:ital,wght@0,300;0,400;0,600;0,700;0,800;0,900;1,400&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ── Palette ── */
  --amethyst:    #7B4FD4;
  --amethyst-lt: #9B72E8;
  --amethyst-dk: #5230A0;
  --rose:        #F06090;
  --rose-lt:     #F8A0C0;
  --gold:        #F5C842;
  --gold-dk:     #C89C18;
  --emerald:     #3DC890;
  --sapphire:    #3880D8;
  --velvet:      #160D2A;     /* deepest background */
  --velvet-mid:  #211640;     /* card/panel bg */
  --velvet-lt:   #2D2050;     /* lighter panel */
  --surface:     #F0E8D8;     /* canvas parchment */
  --ink:         #F8F4FF;     /* primary text on dark */
  --ink-dim:     #B8A8D8;     /* secondary text */
  --ink-muted:   #7060A0;     /* placeholder / muted */

  /* ── Type ── */
  --font-display: 'Nunito', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* ── Radii ── */
  --r-sm: 8px;
  --r-md: 14px;
  --r-lg: 24px;
  --r-xl: 40px;

  /* ── Shadows ── */
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.5);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.6);
  --glow-amethyst: 0 0 24px rgba(123,79,212,0.4);
  --glow-gold:     0 0 20px rgba(245,200,66,0.5);
  --glow-rose:     0 0 20px rgba(240,96,144,0.4);

  /* ── Spacing scale (8px) ── */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;

  /* ── Motion ── */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:    cubic-bezier(0.22, 1, 0.36, 1);
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-display);
  background: var(--velvet);
  color: var(--ink);
  min-height: 100dvh;
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
}
img, video { display: block; max-width: 100%; }
button, input, textarea { font: inherit; }
a { color: inherit; }

/* ── Typography ── */
h1 { font-size: clamp(2.2rem, 7vw, 4.5rem); font-weight: 900; line-height: 1.05; letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 4vw, 2.2rem); font-weight: 800; line-height: 1.15; }
h3 { font-size: clamp(1rem, 2.5vw, 1.4rem); font-weight: 700; }
p  { font-size: clamp(0.95rem, 2vw, 1.1rem); line-height: 1.7; color: var(--ink-dim); }

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  background: linear-gradient(135deg, var(--amethyst), var(--rose));
  color: white;
  font-weight: 800;
  font-size: 1rem;
  padding: var(--sp-3) var(--sp-6);
  border: none;
  border-radius: var(--r-xl);
  cursor: pointer;
  text-decoration: none;
  box-shadow: var(--glow-amethyst), var(--shadow-sm);
  transition: transform 0.15s var(--ease-spring), box-shadow 0.2s ease, opacity 0.15s;
  -webkit-user-select: none;
}
.btn-primary:hover  { transform: scale(1.04); box-shadow: 0 0 32px rgba(123,79,212,0.6), var(--shadow-md); }
.btn-primary:active { transform: scale(0.97); opacity: 0.9; }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--ink-dim);
  font-weight: 700;
  font-size: 0.9rem;
  padding: var(--sp-3) var(--sp-5);
  border: 1.5px solid rgba(255,255,255,0.15);
  border-radius: var(--r-xl);
  cursor: pointer;
  text-decoration: none;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}
.btn-ghost:hover  { border-color: var(--amethyst-lt); color: var(--ink); background: rgba(123,79,212,0.1); }
.btn-ghost:active { opacity: 0.8; }

.btn-small {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--amethyst);
  color: white;
  font-weight: 700;
  font-size: 0.8rem;
  padding: var(--sp-1) var(--sp-3);
  border: none;
  border-radius: var(--r-md);
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}
.btn-small:hover  { background: var(--amethyst-lt); }
.btn-small:active { transform: scale(0.95); }
.btn-small.btn-ghost {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.2);
  color: var(--ink-dim);
}

/* ── Toast notification ── */
#toast {
  position: fixed;
  bottom: calc(env(safe-area-inset-bottom) + 80px);
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: var(--velvet-lt);
  color: var(--ink);
  font-size: 0.9rem;
  font-weight: 600;
  padding: var(--sp-3) var(--sp-5);
  border-radius: var(--r-xl);
  border: 1px solid rgba(255,255,255,0.12);
  box-shadow: var(--shadow-md);
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.25s var(--ease-spring);
  pointer-events: none;
  z-index: 9999;
  white-space: nowrap;
  text-align: center;
}
#toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Celebration overlay ── */
#celebration {
  position: fixed;
  inset: 0;
  z-index: 9998;
  background: rgba(22, 13, 42, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(12px);
  animation: fadeIn 0.3s ease;
}
.cel-inner {
  text-align: center;
  padding: var(--sp-8) var(--sp-7);
  background: var(--velvet-mid);
  border-radius: var(--r-lg);
  border: 1px solid rgba(245,200,66,0.3);
  box-shadow: 0 0 60px rgba(245,200,66,0.2), var(--shadow-lg);
  max-width: 400px;
  width: 90%;
}
.cel-sparkles {
  font-size: 2rem;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: var(--sp-4);
  animation: sparkleFloat 2s ease infinite;
}
.cel-inner h2 { color: var(--gold); margin-bottom: var(--sp-2); }
.cel-inner p  { margin-bottom: var(--sp-6); }
.cel-actions  { display: flex; gap: var(--sp-3); justify-content: center; flex-wrap: wrap; }

/* Framed keepsake, the finished piece, matted and signed */
.cel-frame {
  margin: 0 auto var(--sp-5);
  width: min(78%, 320px);
  padding: var(--sp-3) var(--sp-3) var(--sp-2);
  background: linear-gradient(160deg, #fbf6ea, #ece0c8);
  border-radius: 6px;
  box-shadow:
    0 0 0 1px rgba(0,0,0,0.15) inset,
    0 18px 40px rgba(0,0,0,0.55),
    0 0 50px rgba(245,200,66,0.25);
  transform: rotate(-1.2deg);
  animation: celFrameIn 0.7s var(--ease-spring) both;
}
.cel-frame img {
  width: 100%;
  border-radius: 2px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.4) inset, 0 1px 0 rgba(255,255,255,0.6);
}
.cel-frame figcaption {
  margin-top: var(--sp-2);
  font-family: 'Brush Script MT', 'Segoe Script', cursive;
  font-size: 1.05rem;
  color: #5a4a2a;
  text-align: center;
}
@keyframes celFrameIn {
  from { opacity: 0; transform: rotate(-1.2deg) translateY(18px) scale(0.9); }
  to   { opacity: 1; transform: rotate(-1.2deg) translateY(0) scale(1); }
}

/* ── Install pill (PWA) ── */
.install-pill {
  position: fixed;
  left: 50%;
  bottom: calc(env(safe-area-inset-bottom) + var(--sp-4));
  transform: translateX(-50%) translateY(20px);
  z-index: 9990;
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  background: linear-gradient(135deg, var(--amethyst), var(--rose));
  color: #fff;
  font-weight: 800;
  font-size: 0.9rem;
  padding: var(--sp-3) var(--sp-5);
  border: none;
  border-radius: var(--r-xl);
  cursor: pointer;
  box-shadow: var(--glow-amethyst), var(--shadow-md);
  opacity: 0;
  transition: opacity 0.3s ease, transform 0.3s var(--ease-spring);
}
.install-pill.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.install-pill:active { transform: translateX(-50%) scale(0.96); }
.install-ico { font-size: 1.1rem; line-height: 1; }

/* iOS add-to-home-screen guide */
.ios-install-sheet {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(22, 13, 42, 0.7);
  backdrop-filter: blur(8px);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.ios-install-sheet.open { opacity: 1; }
.ios-card {
  width: 100%;
  max-width: 460px;
  margin: var(--sp-3);
  margin-bottom: calc(env(safe-area-inset-bottom) + var(--sp-3));
  padding: var(--sp-6) var(--sp-5);
  background: linear-gradient(160deg, var(--velvet-lt), var(--velvet-mid));
  border: 1px solid rgba(245,200,66,0.22);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-lg);
  text-align: center;
  transform: translateY(24px);
  transition: transform 0.3s var(--ease-spring);
}
.ios-install-sheet.open .ios-card { transform: translateY(0); }
.ios-card h3 { color: var(--ink); margin-bottom: var(--sp-4); }
.ios-steps {
  list-style: none;
  text-align: left;
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  margin-bottom: var(--sp-5);
}
.ios-steps li {
  color: var(--ink-dim);
  font-size: 0.92rem;
  line-height: 1.5;
  padding-left: var(--sp-5);
  position: relative;
  counter-increment: ios;
}
.ios-steps { counter-reset: ios; }
.ios-steps li::before {
  content: counter(ios);
  position: absolute;
  left: 0; top: 0;
  width: 20px; height: 20px;
  border-radius: 50%;
  background: var(--amethyst);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.ios-steps strong { color: var(--ink); }
.ios-glyph { font-size: 1.05rem; color: var(--sapphire); vertical-align: middle; }
.ios-close { width: 100%; }

/* ── Footer ── */
.site-footer {
  text-align: center;
  padding: var(--sp-5) var(--sp-4);
  font-size: 0.78rem;
  color: var(--ink-muted);
  border-top: 1px solid rgba(255,255,255,0.06);
}
.site-footer a { color: var(--amethyst-lt); text-decoration: none; }
.site-footer a:hover { text-decoration: underline; }

/* ── Welcome / name overlay (first run) ── */
.welcome-overlay {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  background: rgba(22, 13, 42, 0.86);
  backdrop-filter: blur(14px);
  opacity: 0;
  transition: opacity 0.28s ease;
}
.welcome-overlay.open { opacity: 1; }
.welcome-overlay.closing { opacity: 0; }
.welcome-card {
  width: min(92vw, 380px);
  text-align: center;
  padding: var(--sp-7) var(--sp-6) var(--sp-6);
  background: linear-gradient(160deg, var(--velvet-lt), var(--velvet-mid));
  border-radius: var(--r-lg);
  border: 1px solid rgba(245,200,66,0.22);
  box-shadow: 0 0 60px rgba(123,79,212,0.3), var(--shadow-lg);
  transform: translateY(14px) scale(0.97);
  transition: transform 0.32s var(--ease-spring);
}
.welcome-overlay.open .welcome-card { transform: none; }
.welcome-sparkle {
  font-size: 2rem;
  color: var(--gold);
  animation: sparkleFloat 2.4s ease infinite;
  margin-bottom: var(--sp-2);
}
.welcome-card h2 { color: var(--ink); margin-bottom: var(--sp-2); }
.welcome-card p { font-size: 0.9rem; margin-bottom: var(--sp-5); }
#welcome-name {
  width: 100%;
  text-align: center;
  background: rgba(255,255,255,0.07);
  border: 1.5px solid rgba(255,255,255,0.16);
  border-radius: var(--r-xl);
  color: var(--ink);
  padding: var(--sp-3) var(--sp-4);
  font-size: 1.05rem;
  font-weight: 700;
  outline: none;
  margin-bottom: var(--sp-4);
  transition: border-color 0.2s, background 0.2s;
}
#welcome-name:focus { border-color: var(--amethyst); background: rgba(123,79,212,0.12); }
#welcome-name::placeholder { color: var(--ink-muted); font-weight: 400; }
#welcome-go { width: 100%; }
.welcome-skip {
  display: block;
  margin: var(--sp-3) auto 0;
  background: none;
  border: none;
  color: var(--ink-muted);
  font-size: 0.82rem;
  cursor: pointer;
  text-decoration: underline;
}
.welcome-skip:hover { color: var(--ink-dim); }

/* ── Keyframes ── */
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes sparkleFloat {
  0%, 100% { transform: translateY(0); opacity: 1; }
  50%       { transform: translateY(-6px); opacity: 0.7; }
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%       { transform: translateX(-4px); }
  40%       { transform: translateX(4px); }
  60%       { transform: translateX(-4px); }
  80%       { transform: translateX(4px); }
}
@keyframes gemPour {
  from { opacity: 0; transform: translateY(-16px) scale(0.6); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes gemPickup {
  to { opacity: 0; transform: translateY(-20px) scale(0.5); }
}

.shake { animation: shake 0.4s ease; }