/* ===========================================================
   GenPix Mini App — design tokens
   Ink canvas so generated images stay the focal point.
   Banana (#FFC93C) = primary action / brand.
   Violet (#7C5CFF) = generative / AI accent, used in gradients.
   =========================================================== */

:root{
  --ink:        #121114;
  --ink-2:      #1B1A1F;
  --surface:    #201F26;
  --surface-2:  #29282F;
  --hairline:   #34333B;

  --paper:      #F5F3EF;
  --muted:      #98958E;
  --muted-2:    #6E6C74;

  --banana:     #FFC93C;
  --banana-ink: #2A2103;
  --violet:     #7C5CFF;
  --violet-soft:#9B82FF;
  --coral:      #FF6B6B;

  --grad-brand: linear-gradient(135deg, var(--banana) 0%, #FF9F4A 45%, var(--violet) 100%);
  --grad-scan:  linear-gradient(100deg, transparent 0%, rgba(255,201,60,.55) 45%, rgba(124,92,255,.55) 55%, transparent 100%);

  --font-display: 'Sora', system-ui, sans-serif;
  --font-body:    'Inter', system-ui, sans-serif;
  --font-mono:    'IBM Plex Mono', ui-monospace, monospace;

  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 11px;

  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bottom: env(safe-area-inset-bottom, 0px);
}

*{ box-sizing:border-box; -webkit-tap-highlight-color:transparent; }
html,body{ height:100%; }
body{
  margin:0;
  background:var(--ink);
  color:var(--paper);
  font-family:var(--font-body);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}
button, input, textarea{ font-family:inherit; color:inherit; }
button{ background:none; border:none; cursor:pointer; }

.app{
  position:relative;
  height:100dvh;
  display:flex;
  flex-direction:column;
}

/* ---------- background texture: soft radial mesh, ink not flat black ---------- */
.app::before{
  content:"";
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(60% 40% at 85% -5%, rgba(124,92,255,.16), transparent 60%),
    radial-gradient(50% 35% at 5% 0%, rgba(255,201,60,.10), transparent 60%);
}

/* ===================== SCREENS ===================== */
.screen{
  position:relative; z-index:1;
  flex:1;
  min-height:0;
  display:flex;
  flex-direction:column;
  padding-top:calc(var(--safe-top) + 10px);
  animation: screen-in .32s cubic-bezier(.22,.9,.32,1);
}
@keyframes screen-in{
  from{ opacity:0; transform:translateY(8px); }
  to{ opacity:1; transform:translateY(0); }
}

.topbar{
  display:flex; align-items:center; justify-content:space-between;
  padding:2px 18px 14px;
}
.brand{ display:flex; flex-direction:column; gap:2px; }
.brand-mark{
  font-family:var(--font-display); font-weight:700; font-size:20px; letter-spacing:-.02em;
}
.brand-tag{ font-size:12px; color:var(--muted); }

.balance-pill{
  display:flex; align-items:center; gap:7px;
  background:var(--surface);
  border:1px solid var(--hairline);
  padding:8px 14px 8px 10px;
  border-radius:999px;
  font-family:var(--font-mono); font-size:13px; font-weight:600;
  transition:transform .15s ease, border-color .15s ease;
}
.balance-pill:active{ transform:scale(.96); }
.balance-dot{
  width:8px; height:8px; border-radius:50%;
  background:var(--grad-brand);
  box-shadow:0 0 10px rgba(255,201,60,.6);
}

/* ===================== PRESET CHIPS ===================== */
.presets-row{
  display:flex; gap:8px; overflow-x:auto;
  padding:0 18px 14px;
  scrollbar-width:none;
}
.presets-row::-webkit-scrollbar{ display:none; }
.preset-chip{
  flex:none;
  padding:9px 15px;
  border-radius:999px;
  background:var(--surface);
  border:1px solid var(--hairline);
  font-size:13px; font-weight:500; color:var(--paper);
  white-space:nowrap;
  transition:all .15s ease;
}
.preset-chip:active{ transform:scale(.95); }
.preset-chip.is-selected{
  background:var(--grad-brand);
  color:var(--banana-ink);
  border-color:transparent;
  font-weight:600;
}

/* ===================== FEED ===================== */
.feed{
  flex:1; min-height:0; overflow-y:auto;
  padding:4px 18px 18px;
  display:flex; flex-direction:column; gap:14px;
}
.feed-empty{
  margin:auto;
  text-align:center;
  padding:40px 20px;
  max-width:280px;
}
.empty-glyph{
  width:56px; height:56px; margin:0 auto 16px;
  border-radius:16px;
  background:var(--grad-brand);
  opacity:.9;
  -webkit-mask:radial-gradient(circle at 30% 30%, transparent 6px, black 7px);
          mask:radial-gradient(circle at 30% 30%, transparent 6px, black 7px);
}
.empty-title{ font-family:var(--font-display); font-weight:600; font-size:16px; margin:0 0 6px; }
.empty-sub{ font-size:13px; color:var(--muted); line-height:1.5; margin:0; }

/* result card */
.result-card{
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--hairline);
  animation: card-in .4s cubic-bezier(.22,.9,.32,1);
}
@keyframes card-in{
  from{ opacity:0; transform:scale(.96) translateY(6px); }
  to{ opacity:1; transform:scale(1) translateY(0); }
}
.result-card img{ width:100%; display:block; aspect-ratio:1/1; object-fit:cover; }
.result-meta{
  padding:11px 14px;
  display:flex; align-items:center; justify-content:space-between;
  gap:10px;
}
.result-prompt{
  font-size:12.5px; color:var(--muted); line-height:1.4;
  overflow:hidden; text-overflow:ellipsis; white-space:nowrap;
}
.result-redo{
  flex:none;
  width:30px; height:30px; border-radius:50%;
  background:var(--surface-2);
  display:flex; align-items:center; justify-content:center;
  color:var(--paper);
}

/* ---- signature loading state: generative scan shimmer ---- */
.result-card.is-loading{
  aspect-ratio:1/1;
  position:relative;
  display:flex; align-items:center; justify-content:center;
}
.result-card.is-loading .shimmer-plate{
  position:absolute; inset:0;
  background:
    linear-gradient(180deg, var(--surface) 0%, var(--surface-2) 100%);
  overflow:hidden;
}
.result-card.is-loading .shimmer-plate::after{
  content:"";
  position:absolute; inset:0;
  background:var(--grad-scan);
  background-size:200% 100%;
  animation: scan 1.6s ease-in-out infinite;
  mix-blend-mode:screen;
}
@keyframes scan{
  0%{ background-position:150% 0; }
  100%{ background-position:-50% 0; }
}
.loading-label{
  position:relative; z-index:1;
  font-family:var(--font-mono); font-size:12px; color:var(--paper);
  background:rgba(18,17,20,.55);
  padding:7px 13px; border-radius:999px;
  backdrop-filter:blur(6px);
  animation: pulse-label 1.6s ease-in-out infinite;
}
@keyframes pulse-label{ 0%,100%{ opacity:.65; } 50%{ opacity:1; } }

/* ===================== COMPOSER ===================== */
.composer{
  position:relative; z-index:2;
  margin:0 14px calc(var(--safe-bottom) + 88px);
  display:flex; align-items:flex-end; gap:8px;
  background:var(--surface);
  border:1px solid var(--hairline);
  border-radius:20px;
  padding:8px 8px 8px 12px;
}
.attach-btn, .send-btn{
  flex:none;
  width:36px; height:36px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:var(--muted);
}
.attach-btn:active{ background:var(--surface-2); }
.send-btn{
  background:var(--grad-brand);
  color:var(--banana-ink);
  transition:transform .15s ease, opacity .15s ease;
}
.send-btn:active{ transform:scale(.9); }
.send-btn:disabled{ opacity:.35; }
.prompt-input{
  flex:1; min-width:0;
  background:none; border:none; outline:none;
  resize:none; max-height:90px;
  font-size:14.5px; line-height:1.4; color:var(--paper);
  padding:8px 2px;
}
.prompt-input::placeholder{ color:var(--muted-2); }

.attach-preview{
  position:absolute;
  left:24px; bottom:calc(var(--safe-bottom) + 152px);
  z-index:3;
}
.attach-preview img{
  width:54px; height:54px; border-radius:12px; object-fit:cover;
  border:2px solid var(--banana);
}
.attach-preview button{
  position:absolute; top:-6px; right:-6px;
  width:20px; height:20px; border-radius:50%;
  background:var(--coral); color:#fff; font-size:11px;
  display:flex; align-items:center; justify-content:center;
}

/* ===================== HISTORY GRID ===================== */
.history-grid{
  flex:1; overflow-y:auto;
  padding:4px 14px calc(var(--safe-bottom) + 96px);
  display:grid; grid-template-columns:1fr 1fr; gap:8px;
  align-content:start;
}
.history-grid .feed-empty{ grid-column:1/-1; }
.history-item{
  border-radius:var(--radius-md);
  overflow:hidden;
  aspect-ratio:1/1;
  background:var(--surface);
  border:1px solid var(--hairline);
}
.history-item img{ width:100%; height:100%; object-fit:cover; display:block; }

/* ===================== SHOP ===================== */
.balance-card{
  margin:0 18px 16px;
  padding:20px;
  border-radius:var(--radius-lg);
  background:var(--grad-brand);
  color:var(--banana-ink);
  display:flex; flex-direction:column; gap:4px;
  position:relative; overflow:hidden;
}
.balance-card-label{ font-size:12.5px; opacity:.75; font-weight:600; }
.balance-card-value{ font-family:var(--font-mono); font-size:26px; font-weight:600; }

.packs{
  flex:0; overflow-y:auto;
  padding:0 18px 8px;
  display:flex; flex-direction:column; gap:10px;
}
.pack-card{
  display:flex; align-items:center; justify-content:space-between;
  padding:16px 18px;
  border-radius:var(--radius-md);
  background:var(--surface);
  border:1px solid var(--hairline);
  transition:transform .15s ease, border-color .15s ease;
}
.pack-card:active{ transform:scale(.98); }
.pack-card.is-popular{ border-color:var(--violet-soft); }
.pack-left{ display:flex; flex-direction:column; gap:3px; text-align:left; }
.pack-title{ font-family:var(--font-display); font-weight:600; font-size:15px; }
.pack-sub{ font-size:12px; color:var(--muted); }
.pack-badge{
  font-size:10px; font-weight:700; letter-spacing:.04em; text-transform:uppercase;
  color:var(--violet-soft); margin-bottom:2px;
}
.pack-price{
  font-family:var(--font-mono); font-weight:600; font-size:14px;
  background:var(--surface-2);
  padding:8px 14px; border-radius:999px;
  display:flex; align-items:center; gap:5px;
}

.referral-card{
  margin:10px 18px 18px;
  padding:16px 18px;
  border-radius:var(--radius-md);
  background:var(--surface);
  border:1px dashed var(--hairline);
  display:flex; align-items:center; justify-content:space-between;
  gap:12px;
}
.referral-title{ font-weight:600; font-size:14px; margin:0 0 3px; }
.referral-sub{ font-size:12px; color:var(--muted); margin:0; line-height:1.4; }
.referral-btn{
  flex:none;
  padding:9px 16px;
  border-radius:999px;
  background:var(--surface-2);
  font-size:12.5px; font-weight:600;
  border:1px solid var(--hairline);
}

/* ===================== PROFILE ===================== */
.profile-stats{
  display:flex; gap:10px;
  padding:0 18px 16px;
}
.stat-card{
  flex:1;
  padding:16px;
  border-radius:var(--radius-md);
  background:var(--surface);
  border:1px solid var(--hairline);
  display:flex; flex-direction:column; gap:4px;
}
.stat-value{ font-family:var(--font-mono); font-size:22px; font-weight:600; }
.stat-label{ font-size:11.5px; color:var(--muted); }

.menu-list{ padding:0 18px; display:flex; flex-direction:column; gap:8px; }
.menu-item{
  display:flex; align-items:center; justify-content:space-between;
  padding:15px 16px;
  border-radius:var(--radius-md);
  background:var(--surface);
  border:1px solid var(--hairline);
  font-size:14px; font-weight:500;
  text-decoration:none; color:var(--paper);
}
.menu-chevron{ color:var(--muted-2); font-size:16px; }

/* ===================== TAB BAR ===================== */
.tabbar{
  position:relative; z-index:5;
  display:flex;
  padding:8px 10px calc(var(--safe-bottom) + 10px);
  background:rgba(27,26,31,.86);
  backdrop-filter:blur(16px) saturate(1.4);
  border-top:1px solid var(--hairline);
}
.tab-btn{
  flex:1;
  display:flex; flex-direction:column; align-items:center; gap:4px;
  padding:6px 0 2px;
  color:var(--muted-2);
  transition:color .2s ease, transform .15s ease;
}
.tab-btn span{ font-size:10.5px; font-weight:500; }
.tab-btn.is-active{ color:var(--banana); }
.tab-btn:active{ transform:scale(.92); }

/* ===================== TOAST ===================== */
.toast{
  position:fixed; left:50%; bottom:calc(var(--safe-bottom) + 96px);
  transform:translate(-50%, 12px);
  z-index:20;
  background:var(--surface-2);
  border:1px solid var(--hairline);
  padding:11px 18px;
  border-radius:999px;
  font-size:13px; font-weight:500;
  opacity:0; pointer-events:none;
  transition:all .25s cubic-bezier(.22,.9,.32,1);
  white-space:nowrap;
}
.toast.is-visible{
  opacity:1; transform:translate(-50%, 0);
}

/* ===================== MODE SWITCH ===================== */
.mode-switch{
  position:relative;
  display:flex;
  margin:0 18px 14px;
  background:var(--surface);
  border:1px solid var(--hairline);
  border-radius:14px;
  padding:4px;
}
.mode-btn{
  flex:1; position:relative; z-index:1;
  padding:9px 4px;
  font-size:11.5px; font-weight:600;
  color:var(--muted);
  text-align:center;
  border-radius:10px;
  transition:color .25s ease;
  white-space:nowrap;
}
.mode-btn.is-active{ color:var(--banana-ink); }
.mode-indicator{
  position:absolute; z-index:0; top:4px; left:4px;
  width:calc(33.333% - 2.66px); height:calc(100% - 8px);
  background:var(--grad-brand);
  border-radius:10px;
  transition:transform .3s cubic-bezier(.22,.9,.32,1);
}

/* ===================== SURPRISE MODE ===================== */
.surprise-panel{
  flex:1; min-height:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:16px; padding:20px 30px 100px;
  text-align:center;
}
.surprise-btn{
  width:148px; height:148px; border-radius:50%;
  background:var(--grad-brand);
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:6px;
  box-shadow:0 0 0 0 rgba(255,201,60,.4);
  animation: surprise-breathe 2.6s ease-in-out infinite;
}
.surprise-btn:active{ transform:scale(.94); }
.surprise-btn-dice{ font-size:40px; }
.surprise-btn-label{ font-family:var(--font-display); font-weight:700; font-size:13px; color:var(--banana-ink); }
@keyframes surprise-breathe{
  0%,100%{ box-shadow:0 0 0 0 rgba(255,201,60,.35); transform:scale(1); }
  50%{ box-shadow:0 0 0 14px rgba(255,201,60,0); transform:scale(1.035); }
}
.surprise-hint{ font-size:12.5px; color:var(--muted); max-width:230px; line-height:1.5; margin:0; }

/* ===================== VARIATIONS MODE ===================== */
.variations-panel{
  flex:1; min-height:0;
  display:flex; flex-direction:column;
  padding:0 18px calc(var(--safe-bottom) + 96px);
  gap:12px;
}
.variations-hero{
  flex:1; min-height:0;
  border-radius:var(--radius-lg);
  overflow:hidden;
  background:var(--surface);
  border:1px solid var(--hairline);
  display:flex; align-items:center; justify-content:center;
  position:relative;
}
.variations-hero img{ width:100%; height:100%; object-fit:cover; display:block; }
.variation-btn{
  flex:none;
  padding:14px;
  border-radius:var(--radius-md);
  background:var(--grad-brand);
  color:var(--banana-ink);
  font-family:var(--font-display); font-weight:700; font-size:14px;
  transition:transform .15s ease;
}
.variation-btn:active{ transform:scale(.97); }
.variation-btn:disabled{ opacity:.5; }
.variations-strip{
  flex:none;
  display:flex; gap:8px; overflow-x:auto;
  scrollbar-width:none;
}
.variations-strip::-webkit-scrollbar{ display:none; }
.variation-thumb{
  flex:none;
  width:52px; height:52px; border-radius:10px;
  overflow:hidden;
  border:2px solid transparent;
  opacity:.6;
  transition:all .15s ease;
}
.variation-thumb.is-active{ border-color:var(--banana); opacity:1; }
.variation-thumb img{ width:100%; height:100%; object-fit:cover; display:block; }

/* ===================== PHOTO-DEVELOP REVEAL ===================== */
/* Фирменная деталь: результат "проявляется", как мгновенное фото, а не просто появляется */
.develop-wrap{ position:relative; overflow:hidden; }
.develop-wrap img{
  filter:blur(18px) grayscale(85%) brightness(.55) contrast(1.1);
  transform:scale(1.06);
  transition:filter 1.1s cubic-bezier(.16,.9,.2,1), transform 1.1s cubic-bezier(.16,.9,.2,1);
}
.develop-wrap.is-developed img{
  filter:blur(0) grayscale(0%) brightness(1) contrast(1);
  transform:scale(1);
}
.develop-sweep{
  position:absolute; inset:0; z-index:2; pointer-events:none;
  background:linear-gradient(100deg, transparent 30%, rgba(255,255,255,.5) 48%, transparent 66%);
  background-size:250% 100%;
  background-position:150% 0;
  opacity:0;
}
.develop-wrap.is-developed .develop-sweep{
  animation: develop-flash 1.1s cubic-bezier(.16,.9,.2,1) 1;
}
@keyframes develop-flash{
  0%{ opacity:0; background-position:150% 0; }
  15%{ opacity:.9; }
  60%{ opacity:.5; }
  100%{ opacity:0; background-position:-50% 0; }
}

/* ===================== BEFORE/AFTER COMPARE SLIDER ===================== */
.compare-wrap{
  position:relative;
  aspect-ratio:1/1;
  overflow:hidden;
  touch-action:none;
  user-select:none;
}
.compare-wrap img{
  position:absolute; inset:0;
  width:100%; height:100%; object-fit:cover;
  display:block; pointer-events:none;
}
.compare-before{ z-index:1; }
.compare-after-wrap{
  position:absolute; inset:0; z-index:2;
  overflow:hidden;
}
.compare-after-wrap img{ position:absolute; inset:0; }
.compare-handle{
  position:absolute; top:0; bottom:0; z-index:3;
  width:2px; background:rgba(245,243,239,.9);
  transform:translateX(-1px);
  cursor:ew-resize;
}
.compare-handle::after{
  content:"↔";
  position:absolute; top:50%; left:50%;
  transform:translate(-50%,-50%);
  width:34px; height:34px; border-radius:50%;
  background:var(--paper); color:var(--ink);
  display:flex; align-items:center; justify-content:center;
  font-size:14px; font-weight:700;
  box-shadow:0 2px 10px rgba(0,0,0,.35);
}
.compare-label{
  position:absolute; top:9px; z-index:3;
  font-family:var(--font-mono); font-size:10px; font-weight:600;
  letter-spacing:.04em; text-transform:uppercase;
  background:rgba(18,17,20,.6); color:var(--paper);
  padding:4px 9px; border-radius:999px;
  backdrop-filter:blur(6px);
}
.compare-label.before{ left:9px; }
.compare-label.after{ right:9px; }

/* reduced motion */
@media (prefers-reduced-motion: reduce){
  *{ animation-duration:.01ms !important; transition-duration:.01ms !important; }
}