/* ═══════════════════════════════════════════════════
   Sening AI — Design System v6 "Liquid Glass"
   Primary: #22C55E  |  All colors auto-derived
   ═══════════════════════════════════════════════════ */

/* ── Google Fonts ── */
@import url('https://fonts.googleapis.com/css2?family=Bricolage+Grotesque:wght@400;500;600;700&family=DM+Sans:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  /* ── Primary: #22C55E (hsl 142° 71% 45%) ── */
  --color-primary:        #22C55E;
  --color-primary-light:  #4ade80;   /* +15% L */
  --color-primary-lighter:#86efac;   /* +30% L */
  --color-primary-dark:   #16a34a;   /* -15% L */
  --color-primary-darker: #14532d;   /* -30% L */
  --color-primary-glow:   rgba(34,197,94,.35);
  --color-primary-tint:   rgba(34,197,94,.08);
  --color-primary-muted:  rgba(34,197,94,.20);

  /* ── Analogous accents (hue ±30°) ── */
  --color-accent:   #14b8a6;   /* hue 172° teal */
  --color-accent2:  #84cc16;   /* hue 82°  lime */
  --color-complement: #c026d3; /* hue 292° magenta */

  /* ── Background surfaces (hue 142°) ── */
  --color-bg-deep:   hsl(142,20%,4%);
  --color-bg-base:   hsl(142,15%,7%);
  --color-bg-raised: hsl(142,12%,10%);
  --color-bg-float:  hsl(142,10%,14%);

  /* ── Text ── */
  --color-text-primary:   #ffffff;
  --color-text-secondary: rgba(255,255,255,.65);
  --color-text-muted:     rgba(255,255,255,.35);

  /* ── Borders ── */
  --color-border:        rgba(255,255,255,.07);
  --color-border-strong: rgba(255,255,255,.14);

  /* ── Semantic ── */
  --color-success: hsl(158,80%,42%);
  --color-warning: hsl(38,95%,52%);
  --color-danger:  hsl(0,85%,60%);
  --color-info:    hsl(210,90%,58%);

  /* ── Typography ── */
  --font-display: 'Bricolage Grotesque', system-ui, sans-serif;
  --font-body:    'DM Sans', system-ui, sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  --text-xs:   11px; --lh-xs: 1.4;
  --text-sm:   13px; --lh-sm: 1.5;
  --text-base: 15px; --lh-base: 1.6;
  --text-lg:   18px; --lh-lg: 1.5;
  --text-xl:   22px; --lh-xl: 1.4;
  --text-2xl:  28px; --lh-2xl: 1.3;
  --text-3xl:  36px; --lh-3xl: 1.2;
  --text-4xl:  48px; --lh-4xl: 1.1;
  --text-5xl:  64px; --lh-5xl: 1.0;

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

  /* ── Radius ── */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* ── Easing ── */
  --ease-spring: cubic-bezier(.34,1.56,.64,1);
  --ease-smooth: cubic-bezier(.4,0,.2,1);
  --ease-out:    cubic-bezier(0,0,.2,1);
  --ease-sharp:  cubic-bezier(.4,0,.6,1);

  /* ── Layout ── */
  --nav-h:       68px;
  --sidebar-w:   260px;
  --max-w:       1280px;
  --bnav-h:      72px;

  /* ── Legacy aliases (keeps old JS/HTML working) ── */
  --bg-app:       var(--color-bg-base);
  --bg-sec:       var(--color-bg-raised);
  --bg-ter:       var(--color-bg-float);
  --bg-abs:       var(--color-bg-deep);
  --glass:        rgba(255,255,255,.04);
  --glass-b:      rgba(255,255,255,.08);
  --glass-h:      rgba(255,255,255,.14);
  --accent:       var(--color-primary);
  --accent-2:     var(--color-accent);
  --accent-3:     var(--color-complement);
  --accent-glow:  var(--color-primary-glow);
  --text:         var(--color-text-primary);
  --dim:          var(--color-text-secondary);
  --muted:        var(--color-text-muted);
  --danger:       var(--color-danger);
  --success:      var(--color-success);
  --warning:      var(--color-warning);
  --shadow:       rgba(0,0,0,.5);
  --shadow-lg:    rgba(0,0,0,.7);
  --glow:         var(--color-primary-glow);
  --btn-text:     #fff;
  --card-bg:      var(--color-bg-raised);
  --bg-nav:       rgba(6,14,10,.8);
  --bg-drop:      rgba(4,10,7,.97);
  --bg-modal:     rgba(4,10,7,.92);
  --input-bg:     rgba(255,255,255,.04);
  --input-border: rgba(255,255,255,.08);
  --r-xs:         var(--radius-sm);
  --r-sm:         var(--radius-md);
  --r:            var(--radius-lg);
  --r-lg:         var(--radius-xl);
  --r-xl:         28px;
  --r-pill:       var(--radius-full);
  --font:         var(--font-body);
  --gradient:     linear-gradient(135deg,var(--color-primary),var(--color-accent));
  --gradient-hot: linear-gradient(135deg,var(--color-complement),var(--color-primary));
  --gradient-gold:linear-gradient(135deg,var(--color-warning),var(--color-complement));
  --gradient-text:linear-gradient(135deg,var(--color-primary-light),var(--color-accent));
  --ease:         var(--ease-smooth);
  --ease-spring:  cubic-bezier(.34,1.56,.64,1);
  --transition-theme: .4s var(--ease-smooth);
  --noise-opacity: .025;
  --motion-bg: var(--color-bg-base);
}

/* ── Light Mode ── */
[data-theme="light"] {
  --color-bg-deep:   hsl(142,20%,96%);
  --color-bg-base:   hsl(142,15%,93%);
  --color-bg-raised: hsl(142,12%,98%);
  --color-bg-float:  hsl(142,10%,100%);
  --color-text-primary:   #0a1a0f;
  --color-text-secondary: rgba(10,26,15,.65);
  --color-text-muted:     rgba(10,26,15,.4);
  --color-border:        rgba(0,0,0,.07);
  --color-border-strong: rgba(0,0,0,.14);
  --color-primary-glow:   rgba(34,197,94,.2);
  --color-primary-tint:   rgba(34,197,94,.1);
  --color-primary-muted:  rgba(34,197,94,.25);
  --glass:      rgba(255,255,255,.75);
  --glass-b:    rgba(0,0,0,.06);
  --glass-h:    rgba(0,0,0,.1);
  --text:       var(--color-text-primary);
  --dim:        var(--color-text-secondary);
  --muted:      var(--color-text-muted);
  --shadow:     rgba(0,0,0,.07);
  --shadow-lg:  rgba(0,0,0,.14);
  --bg-nav:     rgba(240,252,244,.85);
  --bg-drop:    rgba(240,252,244,.99);
  --bg-modal:   rgba(240,252,244,.95);
  --input-bg:   rgba(0,0,0,.03);
  --input-border:rgba(0,0,0,.09);
  --card-bg:    rgba(255,255,255,.95);
  --noise-opacity: .012;
}

/* ── Reset ── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; -webkit-tap-highlight-color:transparent; }
body {
  font-family: var(--font-body);
  background: var(--color-bg-base);
  color: var(--color-text-primary);
  line-height: var(--lh-base);
  font-size: var(--text-base);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition: background .4s var(--ease-smooth), color .4s var(--ease-smooth);
}

/* ── Grid texture overlay (Layer 3) ── */
body::before {
  content:'';
  position:fixed; inset:0; z-index:1;
  pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 48px 48px;
}
[data-theme="light"] body::before {
  background-image:
    linear-gradient(rgba(0,0,0,.018) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,0,0,.018) 1px, transparent 1px);
}

/* ── Noise overlay (Layer 4) ── */
body::after {
  content:'';
  position:fixed; inset:0; z-index:2;
  pointer-events:none;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: var(--noise-opacity);
}

a { color:var(--color-text-primary); text-decoration:none; transition:color .2s; }
a:hover { color:var(--color-primary-light); }
img { max-width:100%; display:block; }
button { cursor:pointer; font-family:var(--font-body); }
::selection { background:var(--color-primary-tint); color:var(--color-primary-light); }
::-webkit-scrollbar { width:4px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:var(--color-border-strong); border-radius:4px; }

/* ── Utilities ── */
.hidden { display:none !important; }
.dim    { color:var(--color-text-secondary); }
.muted  { color:var(--color-text-muted); }
.small  { font-size:var(--text-sm); }
.center { text-align:center; }
hr { border:none; border-top:1px solid var(--color-border); margin:12px 0; }
.container { max-width:var(--max-w); margin:0 auto; padding:0 24px; }
.narrow    { max-width:580px; }

/* ══════════════════════════════════════════════════════
   BACKGROUND: 3 Animated Orbs (Layer 2)
   ══════════════════════════════════════════════════════ */
.bg-motion {
  position:fixed; inset:0; z-index:0; pointer-events:none; overflow:hidden;
  background: radial-gradient(ellipse 140% 100% at 50% -20%,
    hsl(142,40%,12%) 0%, var(--color-bg-deep) 60%);
  transition: background .4s var(--ease-smooth);
}
[data-theme="light"] .bg-motion {
  background: radial-gradient(ellipse 140% 100% at 50% -20%,
    hsl(142,40%,88%) 0%, var(--color-bg-deep) 60%);
}
.bg-blob {
  position:absolute; border-radius:50%; pointer-events:none;
}
.bg-blob-1 {
  width:600px; height:600px;
  background: radial-gradient(circle, var(--color-primary) 0%, transparent 70%);
  opacity:.12; top:-200px; left:-100px; filter:blur(80px);
  animation: orbFloat1 12s ease-in-out infinite;
}
.bg-blob-2 {
  width:500px; height:500px;
  background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
  opacity:.10; top:30%; right:-150px; filter:blur(90px);
  animation: orbFloat2 16s ease-in-out infinite;
}
.bg-blob-3 {
  width:400px; height:400px;
  background: radial-gradient(circle, var(--color-accent2) 0%, transparent 70%);
  opacity:.08; bottom:-100px; left:30%; filter:blur(70px);
  animation: orbFloat3 20s ease-in-out infinite;
}
[data-theme="light"] .bg-blob-1 { opacity:.07; }
[data-theme="light"] .bg-blob-2 { opacity:.06; }
[data-theme="light"] .bg-blob-3 { opacity:.05; }
@media (prefers-reduced-motion:reduce) { .bg-blob { animation:none !important; } }

/* ══════════════════════════════════════════════════════
   KEYFRAMES
   ══════════════════════════════════════════════════════ */
@keyframes orbFloat1 {
  0%,100% { transform:translate(0,0) scale(1); }
  33%     { transform:translate(60px,40px) scale(1.05); }
  66%     { transform:translate(-30px,80px) scale(.95); }
}
@keyframes orbFloat2 {
  0%,100% { transform:translate(0,0); }
  50%     { transform:translate(-80px,-60px) scale(1.08); }
}
@keyframes orbFloat3 {
  0%,100% { transform:translate(0,0); }
  40%     { transform:translate(40px,-80px); }
  80%     { transform:translate(-40px,40px); }
}
@keyframes fadeUp {
  from { opacity:0; transform:translateY(20px); }
  to   { opacity:1; transform:translateY(0); }
}
@keyframes fadeIn { from { opacity:0; } to { opacity:1; } }
@keyframes lightSweep {
  from { background-position:-100% 0; }
  to   { background-position:200% 0; }
}
@keyframes shimmer {
  from { background-position:200% 0; }
  to   { background-position:-200% 0; }
}
@keyframes spin { to { transform:rotate(360deg); } }
@keyframes glowPulse {
  0%,100% { box-shadow:0 4px 20px var(--color-primary-glow); }
  50%     { box-shadow:0 4px 40px rgba(34,197,94,.55), 0 0 60px rgba(34,197,94,.3); }
}
@keyframes stepPulse {
  0%   { box-shadow:0 0 0 0 var(--color-primary-glow); }
  70%  { box-shadow:0 0 0 8px transparent; }
  100% { box-shadow:0 0 0 0 transparent; }
}
@keyframes dropIn {
  from { opacity:0; transform:scale(.92) translateY(-8px); }
  to   { opacity:1; transform:scale(1) translateY(0); }
}
@keyframes heartPop {
  0%  { transform:scale(1); }
  50% { transform:scale(1.4); }
  100%{ transform:scale(1); }
}
@keyframes modalIn {
  from { opacity:0; transform:scale(.93) translateY(16px); }
  to   { opacity:1; transform:none; }
}
@keyframes drawCheck {
  from { stroke-dashoffset:100; }
  to   { stroke-dashoffset:0; }
}
@keyframes drift1 {
  0%   { transform:translate(0,0) scale(1); }
  100% { transform:translate(8vw,6vh) scale(1.1); }
}
@keyframes drift2 {
  0%   { transform:translate(0,0) scale(1); }
  100% { transform:translate(-7vw,-9vh) scale(1.08); }
}
@keyframes drift3 {
  0%   { transform:translate(-50%,-50%) scale(1); }
  100% { transform:translate(-55%,-45%) scale(1.15); }
}

/* ══════════════════════════════════════════════════════
   SECTION 4 — FLOATING GLASS NAVBAR
   ══════════════════════════════════════════════════════ */

/* Main wrapper — positions content below floating nav */
.app-shell { padding-top: calc(var(--nav-h) + 36px); position:relative; z-index:3; }

.topnav {
  position: fixed;
  top: 16px; left: 50%; transform: translateX(-50%);
  width: calc(100% - 48px); max-width: 1200px;
  height: 60px;
  background: rgba(255,255,255,.04);
  backdrop-filter: blur(24px) saturate(200%);
  -webkit-backdrop-filter: blur(24px) saturate(200%);
  border: 1px solid rgba(255,255,255,.09);
  border-radius: var(--radius-xl);
  box-shadow:
    0 1px 0 rgba(255,255,255,.08) inset,
    0 -1px 0 rgba(0,0,0,.2) inset,
    0 16px 48px rgba(0,0,0,.4),
    0 0 0 1px rgba(0,0,0,.2);
  display: flex; align-items: center; padding: 0 20px;
  z-index: 1000;
  transition: all .3s ease;
}
.topnav.scrolled {
  background: rgba(4,10,7,.78);
  border-color: rgba(255,255,255,.12);
  box-shadow: 0 24px 60px rgba(0,0,0,.5);
}
[data-theme="light"] .topnav {
  background: rgba(255,255,255,.7);
  border-color: rgba(0,0,0,.08);
  box-shadow:
    0 1px 0 rgba(255,255,255,.9) inset,
    0 8px 32px rgba(0,0,0,.12),
    0 0 0 1px rgba(0,0,0,.06);
}
[data-theme="light"] .topnav.scrolled {
  background: rgba(240,252,244,.92);
}

/* Brand */
.brand {
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-display); font-size:17px; font-weight:700;
  flex-shrink:0; text-decoration:none;
}
.brand-logo {
  width:30px; height:30px; border-radius:8px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  display:flex; align-items:center; justify-content:center;
  box-shadow: 0 4px 12px var(--color-primary-glow);
  flex-shrink:0;
}
.brand-name {
  background: linear-gradient(135deg,#fff 0%,var(--color-primary-light) 100%);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}
[data-theme="light"] .brand-name {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-accent));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent;
  background-clip:text;
}

/* Center nav links */
.topnav-links {
  display:flex; gap:2px; margin-left:32px;
}
.nav-item {
  font-family:var(--font-body); font-size:var(--text-sm); font-weight:500;
  color:var(--color-text-secondary);
  padding:6px 14px; border-radius:var(--radius-md);
  border:1px solid transparent;
  position:relative; transition:all .2s;
  text-decoration:none; white-space:nowrap;
}
.nav-item:hover {
  color:var(--color-text-primary);
  background:rgba(255,255,255,.06);
}
.nav-item.active {
  color:var(--color-primary-light);
  background:var(--color-primary-tint);
  border-color:var(--color-primary-muted);
  box-shadow:0 0 12px var(--color-primary-glow);
}
.nav-item.active::after {
  content:''; position:absolute;
  width:3px; height:3px; border-radius:50%;
  background:var(--color-primary);
  bottom:3px; left:50%; transform:translateX(-50%);
}
[data-theme="light"] .nav-item.active {
  color:var(--color-primary-dark);
  background:var(--color-primary-tint);
}

/* Nav right */
.topnav-right { margin-left:auto; display:flex; align-items:center; gap:8px; }
#auth-buttons { display:flex; align-items:center; gap:8px; }

/* Credits pill */
.credits-pill {
  background:var(--color-primary-tint);
  border:1px solid var(--color-primary-muted);
  border-radius:var(--radius-full);
  padding:4px 12px; font-size:12px; font-weight:600;
  color:var(--color-primary-light);
  display:flex; align-items:center; gap:4px; white-space:nowrap;
}
[data-theme="light"] .credits-pill { color:var(--color-primary-dark); }

/* Usage pill (legacy alias) */
.usage-pill {
  display:flex; align-items:center; gap:6px;
  font-size:.78rem; font-weight:600;
  background:var(--color-primary-tint); border:1px solid var(--color-primary-muted);
  padding:5px 12px; border-radius:var(--radius-full);
  color:var(--color-primary-light);
}

/* Theme toggle */
.btn-theme {
  width:36px; height:36px; border-radius:var(--radius-md);
  background:rgba(255,255,255,.05); border:1px solid var(--color-border);
  display:flex; align-items:center; justify-content:center;
  color:var(--color-text-secondary); transition:all .25s;
}
.btn-theme:hover {
  color:var(--color-primary-light);
  background:var(--color-primary-tint);
  border-color:var(--color-primary-muted);
}

/* User avatar chip */
.user-chip { cursor:pointer; position:relative; }
.user-chip-avatar {
  width:34px; height:34px; border-radius:50%;
  background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
  display:flex; align-items:center; justify-content:center;
  font-weight:700; font-size:.82rem; color:#fff;
  box-shadow:0 2px 10px var(--color-primary-glow);
  transition:transform .2s, box-shadow .2s;
}
.user-chip:hover .user-chip-avatar {
  transform:scale(1.06);
  box-shadow:0 4px 18px var(--color-primary-glow);
}

/* Dropdown */
.dropdown {
  display:none; position:fixed;
  top:86px; right:calc(50% - 576px);
  background:rgba(4,10,7,.94);
  backdrop-filter:blur(24px) saturate(200%);
  -webkit-backdrop-filter:blur(24px) saturate(200%);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg); padding:6px;
  min-width:220px; width:220px;
  box-shadow:0 24px 64px rgba(0,0,0,.6);
  z-index:1100; transform-origin:top right;
}
@media(max-width:1248px){
  .dropdown { right:24px; }
}
.dropdown.open { display:block; animation:dropIn .18s var(--ease-spring); }
[data-theme="light"] .dropdown {
  background:rgba(240,252,244,.98);
  border-color:rgba(0,0,0,.08);
  box-shadow:0 12px 40px rgba(0,0,0,.15);
}
.dropdown-head { padding:10px 12px 12px; border-bottom:1px solid var(--color-border); margin-bottom:4px; }
.dropdown-head strong { display:block; font-size:.9rem; }
.dropdown-head .dim  { font-size:.75rem; margin-top:2px; }
.dropdown-link {
  display:flex; align-items:center; gap:10px;
  padding:8px 12px; border-radius:var(--radius-sm);
  color:var(--color-text-secondary); font-size:var(--text-sm); font-weight:500;
  transition:all .15s; text-decoration:none;
}
.dropdown-link:hover { background:rgba(255,255,255,.06); color:var(--color-text-primary); }
[data-theme="light"] .dropdown-link:hover { background:rgba(0,0,0,.05); }
.dropdown-link.danger { color:var(--color-danger); }
.dropdown-link.danger:hover { background:rgba(220,38,38,.08); }
.dropdown-link.upgrade { color:var(--color-primary-light); }
.dropdown-link.upgrade:hover { background:var(--color-primary-tint); }

/* Mobile hamburger */
.mobile-menu-btn {
  display:none; flex-direction:column; gap:5px;
  background:none; border:none; padding:8px; cursor:pointer;
}
.mobile-menu-btn span {
  display:block; width:20px; height:2px;
  background:var(--color-text-secondary); border-radius:2px;
  transition:.25s;
}
.mobile-menu-btn:hover span { background:var(--color-text-primary); }

/* Bottom nav (mobile) */
.bottomnav {
  display:none; position:fixed; bottom:0; left:0; right:0;
  z-index:200; height:var(--bnav-h);
  background:rgba(4,10,7,.92);
  backdrop-filter:blur(28px); -webkit-backdrop-filter:blur(28px);
  border-top:1px solid var(--color-border);
  padding:0 8px 4px;
  justify-content:space-around; align-items:center;
}
[data-theme="light"] .bottomnav { background:rgba(240,252,244,.95); }
.bnav-item {
  display:flex; flex-direction:column; align-items:center; gap:4px;
  font-size:.6rem; font-weight:600; letter-spacing:.3px; text-transform:uppercase;
  color:var(--color-text-muted); padding:8px 12px; border-radius:var(--radius-md);
  transition:all .2s; text-decoration:none;
}
.bnav-item.active { color:var(--color-primary-light); background:var(--color-primary-tint); }
.bnav-item.active svg { stroke:var(--color-primary-light); }

/* ══════════════════════════════════════════════════════
   SECTION 2 — 3D BUTTONS + LIGHT SWEEP
   ══════════════════════════════════════════════════════ */

.btn {
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  font-family:var(--font-body); font-weight:600; letter-spacing:.02em;
  border-radius:var(--radius-md); border:1px solid transparent;
  text-decoration:none; cursor:pointer; white-space:nowrap;
  position:relative; overflow:hidden; flex-shrink:0;
  transition:all .2s var(--ease-spring);
  /* Default = md */
  padding:10px 22px; font-size:14px;
}

/* Primary — 3D depth + sweep */
.btn-primary {
  background:linear-gradient(
    to bottom,
    var(--color-primary-light) 0%,
    var(--color-primary) 50%,
    var(--color-primary-dark) 100%
  );
  color:#fff;
  border-color:rgba(255,255,255,.2);
  box-shadow:
    0 1px 0 rgba(255,255,255,.25) inset,
    0 -1px 0 rgba(0,0,0,.4) inset,
    0 4px 12px var(--color-primary-glow),
    0 1px 3px rgba(0,0,0,.5);
}
.btn-primary::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(105deg,
    transparent 30%,
    rgba(255,255,255,.35) 50%,
    transparent 70%
  );
  background-size:200% 100%; background-position:-100% 0;
  pointer-events:none;
}
.btn-primary:hover { transform:translateY(-1px); }
.btn-primary:hover::before { animation:lightSweep .5s ease-in-out forwards; }
.btn-primary:hover {
  box-shadow:
    0 1px 0 rgba(255,255,255,.3) inset,
    0 -1px 0 rgba(0,0,0,.4) inset,
    0 8px 24px var(--color-primary-glow),
    0 2px 6px rgba(0,0,0,.5);
}
.btn-primary:active {
  transform:translateY(1px) scale(.99);
  box-shadow:0 2px 6px var(--color-primary-glow);
  transition:.1s;
}

/* CTA glow pulse variant */
.btn-primary.glow-pulse { animation:glowPulse 2.5s ease-in-out infinite; }

/* Secondary — liquid glass */
.btn-secondary, .btn-outline {
  background:rgba(255,255,255,.06);
  backdrop-filter:blur(16px) saturate(180%);
  -webkit-backdrop-filter:blur(16px) saturate(180%);
  color:var(--color-text-primary);
  border-color:rgba(255,255,255,.14);
  box-shadow:
    0 1px 0 rgba(255,255,255,.1) inset,
    0 -1px 0 rgba(0,0,0,.1) inset,
    0 4px 16px rgba(0,0,0,.15);
}
.btn-secondary::before, .btn-outline::before {
  content:''; position:absolute; inset:0;
  background:linear-gradient(105deg,
    transparent 30%, rgba(255,255,255,.15) 50%, transparent 70%
  );
  background-size:200% 100%; background-position:-100% 0;
  pointer-events:none;
}
.btn-secondary:hover, .btn-outline:hover {
  background:rgba(255,255,255,.1);
  border-color:rgba(255,255,255,.22);
  box-shadow:
    0 1px 0 rgba(255,255,255,.15) inset,
    0 6px 20px rgba(0,0,0,.2);
}
.btn-secondary:hover::before, .btn-outline:hover::before {
  animation:lightSweep .5s ease-in-out forwards;
}
.btn-secondary:active, .btn-outline:active {
  transform:translateY(1px) scale(.99); transition:.1s;
}

/* Ghost */
.btn-ghost, .btn-text {
  background:transparent;
  color:var(--color-primary-light);
  border-color:var(--color-primary-muted);
}
.btn-ghost:hover, .btn-text:hover {
  background:var(--color-primary-tint);
  border-color:var(--color-primary);
  box-shadow:0 0 0 3px var(--color-primary-glow);
}

/* Icon btn */
.btn-icon {
  width:36px; height:36px; padding:0;
  background:rgba(255,255,255,.05);
  border-color:var(--color-border);
  color:var(--color-text-secondary);
  border-radius:var(--radius-md);
}
.btn-icon:hover {
  background:var(--color-primary-tint);
  border-color:var(--color-primary-muted);
  color:var(--color-primary-light);
}

/* Danger */
.btn-danger {
  background:rgba(220,38,38,.12);
  color:var(--color-danger);
  border-color:rgba(220,38,38,.25);
}
.btn-danger:hover { background:rgba(220,38,38,.2); }

/* Sizes */
.btn-sm  { padding:7px 14px;  font-size:12px; border-radius:var(--radius-sm); }
.btn-lg  { padding:14px 32px; font-size:16px; border-radius:var(--radius-lg); }
.btn-xl  { padding:18px 44px; font-size:18px; border-radius:var(--radius-xl); }
.btn-xs  { padding:4px 10px;  font-size:11px; }
.btn-full{ width:100%; justify-content:center; }
.btn-back {
  display:inline-flex; align-items:center; gap:6px;
  background:none; border:none; color:var(--color-text-secondary);
  font-size:var(--text-sm); font-weight:500; padding:8px 0;
  margin-bottom:24px; transition:color .2s; cursor:pointer;
}
.btn-back:hover { color:var(--color-text-primary); }

.btn:disabled {
  opacity:.4; cursor:not-allowed;
  transform:none !important; box-shadow:none !important;
}

/* Loading spinner inside btn */
.btn .btn-spinner {
  width:14px; height:14px; border-radius:50%;
  border:2px solid rgba(255,255,255,.3);
  border-top-color:#fff;
  animation:spin .7s linear infinite; flex-shrink:0;
}

/* ══════════════════════════════════════════════════════
   SECTION 5 — GLASS CARDS + SCREENS
   ══════════════════════════════════════════════════════ */

.glass-panel, .card-glass {
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(20px) saturate(180%);
  -webkit-backdrop-filter:blur(20px) saturate(180%);
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg); padding:24px;
  box-shadow:0 1px 0 rgba(255,255,255,.08) inset, 0 32px 64px rgba(0,0,0,.3);
  position:relative;
  transition:background .4s var(--ease-smooth), border-color .4s;
}
.card-glass::before {
  content:''; position:absolute; top:0; left:10%; width:80%; height:1px;
  background:linear-gradient(90deg, transparent, rgba(255,255,255,.15), transparent);
  pointer-events:none;
}
.card-glass:hover {
  transform:translateY(-2px);
  box-shadow:0 1px 0 rgba(255,255,255,.08) inset, 0 32px 64px rgba(0,0,0,.3), 0 0 40px rgba(34,197,94,.12);
}
[data-theme="light"] .glass-panel, [data-theme="light"] .card-glass {
  background:rgba(255,255,255,.75); border-color:rgba(0,0,0,.06);
  box-shadow:0 8px 32px rgba(0,0,0,.08);
}

.card-elevated {
  background:var(--color-bg-raised); border:1px solid var(--color-border-strong);
  border-radius:var(--radius-lg); box-shadow:0 8px 32px rgba(0,0,0,.35); padding:24px;
}

/* Screens */
.screen { position:relative; z-index:1; display:none; padding-top:108px; padding-bottom:120px; animation:fadeUp .4s var(--ease-smooth); }
.screen.active { display:block; }
.screen-head { margin-bottom:32px; }
.screen-head h1 { font-family:var(--font-display); font-size:var(--text-2xl); font-weight:700; letter-spacing:-.5px; }
.screen-head p { color:var(--color-text-secondary); margin-top:6px; font-size:var(--text-base); }

/* Reveal animation */
.reveal { opacity:0; transform:translateY(24px); }
.reveal.visible { opacity:1; transform:translateY(0); transition:all .6s var(--ease-smooth); }
.reveal:nth-child(2) { transition-delay:80ms; }
.reveal:nth-child(3) { transition-delay:160ms; }
.reveal:nth-child(4) { transition-delay:240ms; }
.reveal:nth-child(5) { transition-delay:320ms; }
.reveal:nth-child(6) { transition-delay:400ms; }

/* Grids */
.card-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(180px,1fr)); gap:16px; }
.prompt-grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(300px,1fr)); gap:16px; }

/* ── Template Card ── */
.tcard {
  position:relative; overflow:hidden; border-radius:var(--radius-lg);
  background:var(--color-bg-raised); border:1px solid var(--color-border);
  cursor:pointer; aspect-ratio: 3/4; min-height: 240px;
  display:flex; flex-direction:column; justify-content:flex-end;
  transition:transform .25s var(--ease-smooth), box-shadow .25s, border-color .25s;
}
.tcard:hover {
  transform:translateY(-4px);
  box-shadow:0 16px 48px rgba(0,0,0,.4), 0 0 0 1px var(--color-primary-muted);
  border-color:var(--color-primary-muted);
}
.tcard-bg-img { position:absolute; inset:0; width:100%; height:100%; object-fit:cover; transition:transform .5s; }
.tcard:hover .tcard-bg-img { transform:scale(1.06); }
.tcard-overlay { position:absolute; inset:0; background:linear-gradient(to bottom, rgba(4,10,7,0) 30%, rgba(4,10,7,.92) 100%); }
.tcard-content { position:relative; padding:20px; }
.tcard-content h3 { font-size:14px; font-weight:600; color:#fff; margin-bottom:4px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.tcard-content p { font-size:var(--text-sm); color:rgba(255,255,255,.6); overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.tcard-cat {
  position:absolute; top:12px; left:12px;
  font-family:var(--font-mono); font-size:10px; font-weight:500;
  background:rgba(0,0,0,.6); backdrop-filter:blur(8px);
  border:1px solid rgba(255,255,255,.1);
  color:#fff; padding:3px 8px; border-radius:var(--radius-sm);
}

/* ── Prompt Card (Feed) ── */
.prompt-card {
  position:relative; overflow:hidden;
  border-radius:var(--radius-lg); border:1px solid var(--color-border);
  background:var(--color-bg-raised); padding:16px;
  cursor:pointer; display:flex; flex-direction:column; gap:6px;
  min-height:320px;
  transition:transform .25s var(--ease-smooth), box-shadow .25s, border-color .25s;
}
.prompt-card:hover {
  transform:translateY(-3px);
  box-shadow:0 12px 40px rgba(0,0,0,.4), 0 0 40px rgba(34,197,94,.08);
  border-color:var(--color-primary-muted);
}
.prompt-card-header { display:flex; align-items:center; justify-content:space-between; margin-top:auto; margin-bottom:2px; }
.prompt-card-cat {
  font-family:var(--font-mono); font-size:10px; font-weight:500;
  background:var(--color-primary-tint); color:var(--color-primary-light);
  border:1px solid var(--color-primary-muted);
  padding:2px 6px; border-radius:var(--radius-sm);
}
.prompt-card-time { font-size:11px; color:var(--color-text-muted); }
.prompt-card.has-image .prompt-card-time { color:rgba(255,255,255,.6); }
.prompt-card-title { font-size:14px; font-weight:600; line-height:1.3; overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.prompt-card.has-image .prompt-card-title { color:#fff; }
.prompt-card-desc { font-size:13px; line-height:1.4; color:var(--color-text-secondary); overflow:hidden; display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; }
.prompt-card.has-image .prompt-card-desc { color:rgba(255,255,255,.7); }
.prompt-card-author { display:flex; align-items:center; gap:6px; margin-top:4px; }
.prompt-card-avatar {
  width:20px; height:20px; border-radius:50%;
  background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
  display:flex; align-items:center; justify-content:center;
  font-size:9px; font-weight:700; color:#fff; flex-shrink:0;
}
.prompt-card-author-name { font-size:12px; font-weight:500; color:var(--color-text-muted); }
.prompt-card.has-image .prompt-card-author-name { color:rgba(255,255,255,.8); }
.prompt-card-source {
  margin-left:auto; font-family:var(--font-mono); font-size:9px;
  background:var(--color-primary-tint); color:var(--color-primary-light);
  border:1px solid var(--color-primary-muted);
  padding:2px 6px; border-radius:var(--radius-full);
}
.prompt-card-footer { display:flex; align-items:center; gap:12px; padding-top:8px; margin-top:4px; border-top:1px solid rgba(255,255,255,.05); }
.prompt-card-stat { display:flex; align-items:center; gap:5px; font-size:12px; font-weight:600; color:var(--color-text-muted); }
.prompt-card.has-image .prompt-card-stat { color:rgba(255,255,255,.7); }
.prompt-card.has-image .prompt-card-stat svg { color:rgba(255,255,255,.7); stroke:currentColor; }
.prompt-card-stat svg { width:14px; height:14px; }

/* Like button */
.like-btn {
  display:flex; align-items:center; gap:5px;
  background:none; border:none; font-family:var(--font-body);
  font-size:12px; font-weight:600; color:var(--color-text-muted);
  cursor:pointer; transition:color .2s; padding:0;
}
.prompt-card.has-image .like-btn { color:rgba(255,255,255,.7); }
.prompt-card.has-image .btn-outline { color:#fff; border-color:rgba(255,255,255,.3); background:rgba(0,0,0,.3); }
.like-btn:hover { color:var(--color-complement); }
.like-btn.liked { color:var(--color-complement); }
.like-btn.liked svg { fill:var(--color-complement); stroke:var(--color-complement); }
.like-btn.animating { animation:heartPop .4s var(--ease-spring); }

/* ── Feed Controls ── */
.feed-search {
  display:flex; align-items:center; gap:10px;
  background:var(--input-bg); border:1px solid var(--color-border);
  border-radius:var(--radius-md); padding:10px 14px; margin-bottom:16px;
}
.feed-search svg { color:var(--color-text-muted); flex-shrink:0; }
.feed-search input {
  background:none; border:none; outline:none;
  color:var(--color-text-primary); font-family:var(--font-body); font-size:14px; flex:1;
}
.feed-search input::placeholder { color:var(--color-text-muted); }
.feed-tabs { display:flex; gap:4px; margin-bottom:16px; }
.feed-tab {
  padding:7px 16px; border-radius:var(--radius-full);
  background:rgba(255,255,255,.05); border:1px solid var(--color-border);
  font-family:var(--font-body); font-size:var(--text-sm); font-weight:500;
  color:var(--color-text-secondary); cursor:pointer; transition:all .2s;
}
.feed-tab:hover { color:var(--color-text-primary); background:rgba(255,255,255,.08); }
.feed-tab.active {
  color:var(--color-primary-light);
  background:var(--color-primary-tint);
  border-color:var(--color-primary-muted);
  box-shadow:0 0 12px var(--color-primary-glow);
}
.feed-filters { display:flex; gap:8px; margin-bottom:24px; flex-wrap:wrap; }
/* ── Filter / Categories ── */
.filter-bar {
  display:flex; flex-wrap:wrap; gap:8px; margin-bottom:28px;
}
.chip {
  padding:7px 16px; border-radius:var(--radius-full);
  background:rgba(255,255,255,.05); border:1px solid var(--color-border);
  font-family:var(--font-body); font-size:var(--text-sm); font-weight:500;
  color:var(--color-text-secondary); cursor:pointer; transition:all .2s;
}
.chip:hover { color:var(--color-text-primary); border-color:var(--color-border-strong); }
.chip.active {
  background:var(--color-primary-tint); color:var(--color-primary-light);
  border-color:var(--color-primary-muted);
}

/* ── Form Inputs ── */
.field-group { display:flex; flex-direction:column; gap:10px; margin-bottom:28px; }
.field-label { font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:.05em; color:var(--color-text-secondary); }
.field-hint { color:var(--color-text-muted); font-weight:400; font-size:var(--text-sm); }
.field-input {
  background:rgba(255,255,255,.04); border:1px solid var(--color-border);
  border-radius:var(--radius-md); padding:10px 14px;
  color:var(--color-text-primary); font-family:var(--font-body); font-size:14px;
  outline:none; width:100%; transition:border-color .2s, box-shadow .2s;
  caret-color:var(--color-primary);
}
.field-input:hover:not(:focus) { border-color:var(--color-border-strong); }
.field-input:focus {
  border-color:var(--color-primary);
  box-shadow:0 0 0 3px var(--color-primary-glow), 0 1px 0 rgba(255,255,255,.04) inset;
}
.field-input::placeholder { color:var(--color-text-muted); }
.field-input.input-error { border-color:var(--color-danger); box-shadow:0 0 0 3px rgba(220,38,38,.2); }
textarea.field-input { resize:vertical; min-height:80px; line-height:1.6; font-family:var(--font-mono); }
select.field-input { cursor:pointer; appearance:none; }
.char-counter { font-size:var(--text-xs); color:var(--color-text-muted); text-align:right; }

/* ── Toasts ── */
.toasts {
  position:fixed; bottom:24px; right:20px; z-index:9000;
  display:flex; flex-direction:column; gap:10px; pointer-events:none;
}
.toast {
  display:flex; align-items:center; gap:10px;
  background:rgba(4,10,7,.94); backdrop-filter:blur(24px);
  border:1px solid var(--color-border); border-radius:var(--radius-md);
  padding:12px 18px; font-size:14px; font-weight:600;
  box-shadow:0 8px 32px rgba(0,0,0,.5); animation:fadeUp .3s var(--ease-smooth);
  pointer-events:auto;
}
.toast.success { border-color:rgba(34,197,94,.3); color:var(--color-success); }
.toast.error { border-color:rgba(220,38,38,.3); color:var(--color-danger); }

/* ── Modals ── */
.modal-backdrop {
  position:fixed; inset:0; z-index:2000;
  background:rgba(0,0,0,.7); backdrop-filter:blur(8px);
  display:flex; align-items:center; justify-content:center;
  padding:80px 20px 20px; animation:fadeIn .25s var(--ease-smooth);
}
.modal {
  background:rgba(4,10,7,.94); backdrop-filter:blur(32px) saturate(150%);
  border:1px solid var(--color-border); border-top:2px solid var(--color-primary);
  border-radius:var(--radius-xl); padding:32px;
  width:100%; max-width:420px; max-height: calc(100vh - 40px); overflow-y: auto;
  box-shadow:0 24px 80px rgba(0,0,0,.6), 0 1px 0 rgba(255,255,255,.08) inset;
  animation:modalIn .3s var(--ease-spring); position:relative;
}
[data-theme="light"] .modal { background:rgba(240,252,244,.98); }
.modal-wide { max-width:640px; }
.modal-x {
  position:absolute; top:18px; right:18px;
  width:32px; height:32px; border-radius:50%;
  background:rgba(255,255,255,.05); border:1px solid var(--color-border);
  color:var(--color-text-muted); font-size:.85rem;
  display:flex; align-items:center; justify-content:center;
  cursor:pointer; transition:all .2s;
}
.modal-x:hover { background:rgba(255,255,255,.1); color:var(--color-text-primary); }
.modal-body h2 { font-family:var(--font-display); font-size:var(--text-xl); font-weight:700; margin-bottom:6px; }
.modal-body p.dim { margin-bottom:24px; }

/* ══════════════════════════════════════════════════════
   PART 4 — UPLOAD + LOADER + RESULT + DETAIL + HERO + RESPONSIVE
   ══════════════════════════════════════════════════════ */

/* ── Upload Flow ── */
.selected-template-chip { margin-bottom: 24px; display: flex; align-items: center; gap: 14px; }
.selected-template-chip .chip-emoji { font-size: 24px; }

/* Upload zone */
.upload-zone {
  border:2px dashed var(--color-border-strong); border-radius:var(--radius-xl);
  padding:48px 24px; text-align:center; cursor:pointer;
  transition:border-color .25s, background .25s; background:rgba(255,255,255,.02);
  margin-bottom: 24px;
}
.upload-zone:hover,.upload-zone.dragover { border-color:var(--color-primary); background:var(--color-primary-tint); }
.upload-icon { margin:0 auto 16px; color:var(--color-text-muted); }
.upload-label { font-size:16px; font-weight:600; margin-bottom:6px; }
.preview-box { position:relative; border-radius:var(--radius-xl); overflow:hidden; border:1px solid var(--color-border); margin-bottom:28px; }
.preview-box img { width:100%; max-height:260px; object-fit:contain; background: rgba(0,0,0,0.2); }
.preview-remove {
  position:absolute; top:12px; right:12px; width:30px; height:30px; border-radius:50%;
  background:rgba(0,0,0,.6); color:#fff; border:none; font-size:.8rem;
  display:flex; align-items:center; justify-content:center; cursor:pointer;
}
.preview-remove:hover { background:var(--color-danger); }
.upload-progress { height:3px; background:var(--color-border); border-radius:2px; margin-bottom:20px; overflow:hidden; }
.upload-progress-bar { height:100%; background:linear-gradient(90deg,var(--color-primary),var(--color-accent)); border-radius:2px; transition:width .3s; }

/* Loader */
.loader-fullscreen { min-height:80vh; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:20px; text-align:center; }
.loader-fullscreen h2 { font-family:var(--font-display); font-size:var(--text-xl); font-weight:700; }
.loader-spinner { width:72px; height:72px; position:relative; }
.ring { position:absolute; inset:0; border-radius:50%; border:2px solid transparent; }
.r1 { border-top-color:var(--color-primary); animation:spin 1s linear infinite; }
.r2 { inset:8px; border-top-color:var(--color-accent); animation:spin .75s linear infinite reverse; }
.r3 { inset:16px; border-top-color:var(--color-complement); animation:spin 1.5s linear infinite; }
.loader-icon { position:absolute; inset:0; display:flex; align-items:center; justify-content:center; font-size:1.1rem; animation:fadeIn 1.5s ease-in-out infinite alternate; }
.loader-track { width:280px; height:4px; background:var(--color-border); border-radius:2px; overflow:hidden; }
.loader-bar { height:100%; background:linear-gradient(90deg,var(--color-primary),var(--color-accent)); border-radius:2px; transition:width 1s; width:0; }
.ls { display:flex; align-items:center; gap:10px; font-size:14px; color:var(--color-text-muted); transition:color .3s; }
.ls.active { color:var(--color-text-primary); }
.ls.done { color:var(--color-success); }
.ls-dot { width:8px; height:8px; border-radius:50%; background:var(--color-border); flex-shrink:0; transition:background .3s; }
.ls.active .ls-dot { background:var(--color-primary); animation:stepPulse 1.5s infinite; }
.ls.done .ls-dot { background:var(--color-success); }

/* Before/After Slider */
.ba-container { position:relative; border-radius:var(--radius-xl); overflow:hidden; cursor:ew-resize; background:var(--color-bg-float); min-height:300px; user-select:none; }
.ba-layer { position:absolute; inset:0; }
.ba-layer img { width:100%; height:100%; object-fit:cover; }
.ba-before { clip-path:inset(0 50% 0 0); }
.ba-handle { position:absolute; top:0; bottom:0; left:50%; width:2px; background:#fff; transform:translateX(-50%); }
.ba-grip { position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:36px; height:36px; border-radius:50%; background:#fff; display:flex; align-items:center; justify-content:center; box-shadow:0 2px 12px rgba(0,0,0,.4); }

/* Result card */
.result-card { margin-bottom:20px; }
.result-badge { font-family:var(--font-mono); font-size:12px; font-weight:600; text-transform:uppercase; letter-spacing:.5px; color:var(--color-accent); margin-bottom:14px; display:flex; align-items:center; gap:6px; }
.result-actions { display:flex; gap:12px; margin-bottom:16px; }
.result-actions .btn { flex:1; }

/* Prompt detail */#detail-desc { white-space:pre-wrap; line-height:1.7; margin-top:12px; word-break:break-word; }

.pd-header { display:flex; align-items:center; gap:12px; margin-bottom:12px; }
.pd-cat { font-family:var(--font-mono); font-size:var(--text-xs); font-weight:500; background:var(--color-primary-tint); color:var(--color-primary-light); border:1px solid var(--color-primary-muted); padding:3px 10px; border-radius:var(--radius-full); }
.pd-title { font-family:var(--font-display); font-size:var(--text-2xl); font-weight:700; letter-spacing:-.4px; margin-bottom:8px; }
.pd-desc { font-size:var(--text-base); color:var(--color-text-secondary); line-height:1.7; white-space:pre-wrap; word-break:break-word; margin-bottom:20px; }
.prompt-content-box { background:rgba(255,255,255,.03); border:1px solid var(--color-border); border-radius:var(--radius-md); padding:16px; margin:20px 0; }
.prompt-content-header { display:flex; align-items:center; justify-content:space-between; margin-bottom:10px; }
.prompt-content-box pre { font-family:var(--font-mono); font-size:14px; color:var(--color-text-secondary); white-space:pre-wrap; word-break:break-word; line-height:1.7; }
.prompt-author-card { display:flex; align-items:center; gap:14px; margin:16px 0; cursor:pointer; padding:12px; border-radius:var(--radius-md); transition:background .2s; }
.prompt-author-card:hover { background:rgba(255,255,255,.04); }
.pac-avatar { width:44px; height:44px; border-radius:50%; background:linear-gradient(135deg,var(--color-primary),var(--color-accent)); display:flex; align-items:center; justify-content:center; font-weight:700; color:#fff; flex-shrink:0; }
.prompt-tags { display:flex; flex-wrap:wrap; gap:8px; margin:12px 0; }
.pd-engage { display:flex; align-items:center; gap:20px; padding:16px 0; }
.pd-views { display:flex; align-items:center; gap:6px; font-size:14px; font-weight:600; color:var(--color-text-muted); }

/* Create prompt */
.cp-upload-zone { border:1.5px dashed var(--color-border-strong); border-radius:var(--radius-md); padding:28px 16px; text-align:center; cursor:pointer; transition:all .2s; background:rgba(255,255,255,.02); display:flex; flex-direction:column; align-items:center; gap:8px; color:var(--color-text-muted); }
.cp-upload-zone:hover { border-color:var(--color-primary); background:var(--color-primary-tint); }
.create-actions { display:flex; gap:12px; margin-top:28px; }
.create-actions .btn-primary { flex:1; }

/* Progress steps */
.progress-steps { display:flex; align-items:center; gap:0; margin-bottom:28px; }
.pstep { display:flex; align-items:center; gap:8px; font-size:var(--text-sm); font-weight:600; color:var(--color-text-muted); flex:1; }
.pstep span { width:26px; height:26px; border-radius:50%; background:rgba(255,255,255,.04); border:1px solid var(--color-border-strong); display:flex; align-items:center; justify-content:center; font-size:12px; flex-shrink:0; }
.pstep.active { color:var(--color-primary-light); }
.pstep.active span { background:var(--color-primary-tint); border-color:var(--color-primary); color:var(--color-primary-light); animation:stepPulse 1.5s infinite; }
.pstep.done span { background:linear-gradient(135deg,var(--color-primary),var(--color-accent)); border:none; color:#fff; }
.pstep::after { content:''; flex:1; height:1px; background:var(--color-border); margin:0 10px; }
.pstep:last-child::after { display:none; }

/* User profile */
.up-header { display:flex; align-items:center; gap:20px; margin-bottom:24px; }
.up-avatar { width:72px; height:72px; border-radius:50%; background:linear-gradient(135deg,var(--color-primary),var(--color-accent)); display:flex; align-items:center; justify-content:center; font-size:1.6rem; font-weight:700; color:#fff; box-shadow:0 4px 20px var(--color-primary-glow); flex-shrink:0; }
.up-stats { display:flex; gap:20px; margin-bottom:28px; flex-wrap:wrap; }
.stat-badge { display:flex; flex-direction:column; gap:2px; background:rgba(255,255,255,.04); border:1px solid var(--color-border); border-radius:var(--radius-md); padding:14px 20px; flex:1; min-width:100px; }
.stat-badge strong { font-family:var(--font-display); font-size:var(--text-2xl); font-weight:800; background:linear-gradient(135deg,var(--color-primary),var(--color-accent)); -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text; }
.stat-badge span { font-size:var(--text-sm); color:var(--color-text-muted); }

/* Feed empty/loading */
.feed-empty,.feed-loading { grid-column:1/-1; text-align:center; padding:60px 20px; display:flex; flex-direction:column; align-items:center; gap:14px; color:var(--color-text-muted); }
.empty { grid-column:1/-1; text-align:center; padding:48px 20px; display:flex; flex-direction:column; align-items:center; gap:12px; color:var(--color-text-muted); }

/* Hero */
.hero { padding:72px 0 56px; text-align:center; }
.hero-kicker {
  display:inline-flex; align-items:center; gap:8px;
  font-size:12px; font-weight:600;
  background:var(--color-primary-tint); border:1px solid var(--color-primary-muted);
  color:var(--color-primary-light); padding:6px 16px;
  border-radius:var(--radius-full); margin-bottom:20px;
}
.hero h1 { font-family:var(--font-display); font-size:clamp(2rem,6vw,64px); font-weight:700; line-height:1.1; letter-spacing:-1.5px; margin-bottom:20px; }
.hero h1 .gradient-text {
  background:linear-gradient(90deg,var(--color-primary-light),var(--color-accent),var(--color-accent2));
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.hero-sub { font-size:var(--text-lg); color:var(--color-text-secondary); max-width:520px; margin:0 auto 32px; line-height:1.65; }
.hero-actions { display:flex; justify-content:center; gap:12px; flex-wrap:wrap; margin-bottom:32px; }
.hero-meta { display:flex; align-items:center; justify-content:center; gap:20px; font-size:12px; color:var(--color-text-muted); }
.hero-meta strong { color:var(--color-text-primary); font-weight:700; }

/* Steps row */
.steps-row { display:grid; grid-template-columns:repeat(auto-fit,minmax(180px,1fr)); gap:16px; }
.step-card { background:rgba(255,255,255,.04); border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:24px; text-align:center; }
.step-num { width:48px; height:48px; border-radius:50%; background:linear-gradient(135deg,var(--color-primary),var(--color-accent)); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:800; margin:0 auto 14px; box-shadow:0 4px 14px var(--color-primary-glow); }
.step-card h3 { font-family:var(--font-display); font-size:16px; font-weight:700; margin-bottom:6px; }
.step-card p { font-size:var(--text-sm); color:var(--color-text-muted); }

/* Plans */
.plan-compare { display:grid; grid-template-columns:1fr 1fr; gap:16px; margin-top:24px; }
.plan-col { background:rgba(255,255,255,.04); border:1px solid var(--color-border); border-radius:var(--radius-lg); padding:20px; position:relative; }
.plan-col.featured { border-color:var(--color-primary-muted); box-shadow:0 0 0 1px var(--color-primary-tint), 0 8px 32px var(--color-primary-glow); }
.plan-badge { display:inline-block; position:absolute; top:-11px; left:50%; transform:translateX(-50%); background:linear-gradient(135deg,var(--color-primary),var(--color-accent)); color:#fff; font-size:10px; font-weight:700; letter-spacing:.5px; padding:3px 14px; border-radius:var(--radius-full); }
.plan-price { font-family:var(--font-display); font-size:var(--text-3xl); font-weight:800; margin-bottom:14px; }
.plan-col ul { list-style:none; display:flex; flex-direction:column; gap:8px; margin-bottom:20px; }
.plan-col li { font-size:var(--text-sm); color:var(--color-text-secondary); display:flex; align-items:center; gap:7px; }
.plan-col li::before { content:'✓'; color:var(--color-success); font-weight:700; }

/* Section helpers */
.section { padding:48px 0; }
.section-head { display:flex; justify-content:space-between; align-items:baseline; margin-bottom:24px; }
.section-head h2 { font-family:var(--font-display); font-size:var(--text-xl); font-weight:700; }
.hscroll { display:grid; grid-template-columns:repeat(2,1fr); gap:16px; }
.dot { width:4px; height:4px; border-radius:50%; background:var(--color-border-strong); display:inline-block; }

/* Skeleton loader */
.skeleton { background:linear-gradient(90deg,rgba(255,255,255,.04) 25%,rgba(255,255,255,.10) 50%,rgba(255,255,255,.04) 75%); background-size:200% 100%; animation:shimmer 1.5s infinite; border-radius:var(--radius-md); }
.sk-card { height:240px; border-radius:var(--radius-lg); }
.sk-title { height:18px; width:70%; margin-bottom:10px; }
.sk-text { height:13px; width:90%; }

/* ══════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════ */
@media(max-width:768px) {
  .topnav { top:10px; width:calc(100% - 24px); border-radius:var(--radius-lg); padding:0 12px; }
  .topnav-links { display:none; position:absolute; top:68px; left:0; right:0; z-index:999;
    background:rgba(4,10,7,.97); backdrop-filter:blur(40px);
    flex-direction:column; padding:24px; gap:4px; border-radius:0 0 var(--radius-lg) var(--radius-lg);
    border:1px solid var(--color-border); border-top:none; }
  .topnav-links.open { display:flex; animation:fadeUp .3s var(--ease-smooth); }
  .topnav-links .nav-item { font-size:var(--text-lg); font-family:var(--font-display); padding:12px; border-bottom:1px solid var(--color-border); }
  .mobile-menu-btn { display:flex; }
  .bottomnav { display:flex; }
  .screen { padding-bottom:calc(var(--bnav-h) + 80px); }
  .plan-compare { grid-template-columns:1fr; }
  .result-actions { flex-direction:column; }
  .up-header { flex-direction:column; align-items:flex-start; }
  .create-actions { flex-direction:column; }
  .card-grid { grid-template-columns:repeat(auto-fill,minmax(140px,1fr)); }
  .prompt-grid { grid-template-columns:1fr 1fr; }
  .credits-pill { display:none; }
  .toasts { bottom:calc(var(--bnav-h) + 16px); }
}
@media(max-width:480px) {
  .prompt-grid { grid-template-columns:1fr; }
  .container { padding:0 16px; }
  .modal { padding:24px 20px; border-radius:var(--radius-lg); }
  .feed-tabs { overflow-x:auto; }
  #auth-buttons { gap: 4px; }
  #auth-buttons .btn { padding: 6px 10px; font-size: 12px; }
}
@media(min-width:640px) {
  .hscroll { grid-template-columns:repeat(3,1fr); }
}
@media(min-width:1024px) {
  .hscroll { grid-template-columns:repeat(4,1fr); }
}
@media(min-width:1280px) {
  .hscroll { grid-template-columns:repeat(5,1fr); }
}