:root {
  --glass-blur: 20px;
  --glass-blur-strong: 40px;
  --glass-saturate: 1.8;
  --glass-border: rgba(255,255,255,0.08);
  --glass-border-strong: rgba(255,255,255,0.14);
  --glass-shadow: 0 8px 32px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.08);
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* body keeps gradient from style.css; aurora glows add on top via ::before/::after */
body::before {
  content: ''; position: fixed; top: -20%; left: -10%; width: 60%; height: 60%;
  background: radial-gradient(ellipse at center, rgba(57,80,255,0.12) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
  animation: aurora1 20s ease-in-out infinite alternate;
}
body::after {
  content: ''; position: fixed; bottom: -20%; right: -10%; width: 50%; height: 50%;
  background: radial-gradient(ellipse at center, rgba(253,57,64,0.08) 0%, transparent 70%);
  pointer-events: none; z-index: 0;
  animation: aurora2 25s ease-in-out infinite alternate;
}
@keyframes aurora1 { 0%{transform:translate(0,0) scale(1);opacity:.6} 100%{transform:translate(10%,5%) scale(1.2);opacity:1} }
@keyframes aurora2 { 0%{transform:translate(0,0) scale(1);opacity:.5} 100%{transform:translate(-8%,-5%) scale(1.15);opacity:.8} }

.site-header {
  backdrop-filter: blur(var(--glass-blur-strong)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong)) saturate(var(--glass-saturate));
  background: rgba(0,0,0,0.5);
  border-bottom: 1px solid var(--glass-border);
  box-shadow: inset 0 1px 0 rgba(255,255,255,0.04);
}

.hero-section { text-align: center; margin-bottom: 32px; animation: heroIn .8s var(--ease-out-expo) both; }
@keyframes heroIn { from{opacity:0;transform:translateY(24px)} to{opacity:1;transform:translateY(0)} }
.hero-title {
  font-family: 'Outfit', sans-serif; font-size: clamp(32px,5vw,48px); font-weight: 800;
  letter-spacing: -.03em; line-height: 1.1; margin-bottom: 14px;
  background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,.65) 55%, rgba(232,106,32,.9) 100%);
  -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent;
}
.hero-subtitle { font-size: 16px; color: var(--text-secondary); max-width: 500px; margin: 0 auto; line-height: 1.6; }

.input-area {
  background: rgba(255,255,255,0.03);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border); border-radius: 24px; padding: 24px;
  box-shadow: var(--glass-shadow); overflow: hidden; position: relative;
  animation: cardUp .7s var(--ease-out-expo) .15s both;
  transition: border-color .3s, box-shadow .3s;
}
.input-area::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.12), transparent);
  pointer-events: none;
}
@keyframes cardUp { from{opacity:0;transform:translateY(24px) scale(.98)} to{opacity:1;transform:translateY(0) scale(1)} }
.input-area:focus-within {
  border-color: var(--border-active);
  background: rgba(232,106,32,0.03);
  backdrop-filter: blur(var(--glass-blur)) saturate(2);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(2);
  box-shadow: 0 0 0 1px rgba(232,106,32,.2), 0 16px 48px rgba(232,106,32,.08), inset 0 1px 0 rgba(255,255,255,.06);
}

textarea {
  background: rgba(0,0,0,.3); border: 1px solid rgba(255,255,255,.06); border-radius: 14px;
  padding: 16px 18px; transition: border-color .25s, box-shadow .25s, background .25s;
}
textarea:focus {
  border-color: rgba(232,106,32,.4); box-shadow: 0 0 0 4px rgba(232,106,32,.08);
  background: rgba(0,0,0,.45); outline: none;
}

.btn-primary {
  border-radius: 999px; padding: 11px 30px; font-weight: 700;
  box-shadow: 0 4px 20px rgba(57,80,255,.25); position: relative; overflow: hidden;
  transition: transform .2s var(--ease-spring), box-shadow .3s, filter .3s;
}
.btn-primary::after {
  content: ''; position: absolute; top: 0; left: -100%; width: 60%; height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.22), transparent);
  transition: left .6s;
}
.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px rgba(57,80,255,.4), 0 0 20px rgba(253,57,64,.15);
  filter: brightness(1.08);
}
.btn-primary:hover:not(:disabled)::after { left: 120%; }
.btn-primary:active:not(:disabled) { transform: translateY(0) scale(.97); transition: transform .1s; }
.btn-primary .spinner { border-color: rgba(255,255,255,.3); border-top-color: #fff; }

.bar-pill { border-radius: 999px; transition: all .2s var(--ease-spring); }
.bar-pill:hover { transform: translateY(-1px); }
.chip { border-radius: 999px; transition: all .2s var(--ease-spring); }
.chip:hover { transform: translateY(-1px) scale(1.02); }
.chip.selected { background: var(--accent-subtle); border-color: var(--border-active); color: var(--accent); box-shadow: 0 0 0 1px var(--border-active); }

.provider-switch { border-radius: 99px; background: rgba(255,255,255,.06); border: 1px solid rgba(255,255,255,.08); }
.provider-badge { transition: all .25s var(--ease-spring); }
.provider-badge.active { transform: scale(1.02); }

.buy-btn { border-radius: 999px; transition: transform .2s var(--ease-spring), box-shadow .25s, filter .2s; }
.buy-btn:hover { transform: translateY(-1px); filter: brightness(1.08); }

.modal-overlay {
  backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
  background: rgba(0,0,0,.5); animation: overlayIn .25s ease;
}
@keyframes overlayIn { from{opacity:0} to{opacity:1} }
.modal-card {
  position: relative; background: rgba(12,12,16,.85);
  backdrop-filter: blur(var(--glass-blur-strong)) saturate(2);
  -webkit-backdrop-filter: blur(var(--glass-blur-strong)) saturate(2);
  border: 1px solid var(--glass-border-strong); border-radius: 20px;
  box-shadow: 0 24px 80px rgba(0,0,0,.5), inset 0 1px 0 rgba(255,255,255,.06);
  animation: modalIn .35s var(--ease-out-expo); overflow: hidden;
}
.modal-card::before {
  content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.1), transparent);
  pointer-events: none;
}
@keyframes modalIn { from{opacity:0;transform:scale(.92) translateY(12px)} to{opacity:1;transform:scale(1) translateY(0)} }

.gallery-card {
  background: rgba(255,255,255,.03);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border); border-radius: 16px; overflow: hidden;
  box-shadow: var(--glass-shadow);
  transition: transform .35s var(--ease-out-expo), box-shadow .35s, border-color .35s;
  animation: cardUp .6s var(--ease-out-expo) both;
}
.gallery-card:hover {
  transform: translateY(-6px); border-color: var(--glass-border-strong);
  box-shadow: 0 16px 48px rgba(0,0,0,.4), inset 0 1px 0 rgba(255,255,255,.05);
}

.project-view { animation: projectIn .4s var(--ease-out-expo); }
.main-view.leaving { animation: mainOut .3s var(--ease-out-expo) forwards; }
@keyframes projectIn { from{opacity:0;transform:scale(1.02)} to{opacity:1;transform:scale(1)} }
@keyframes mainOut { from{opacity:1;transform:scale(1);filter:blur(0)} to{opacity:0;transform:scale(.98);filter:blur(4px)} }

.project-menubar {
  backdrop-filter: blur(var(--glass-blur-strong)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur-strong)) saturate(var(--glass-saturate));
  background: rgba(0,0,0,.6); border-bottom: 1px solid var(--glass-border);
}

.chat-panel {
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  background: rgba(8,8,12,.85); border-top: 1px solid var(--glass-border);
}
.chat-message { animation: msgIn .3s var(--ease-out-expo); }
@keyframes msgIn { from{opacity:0;transform:translateY(8px)} to{opacity:1;transform:translateY(0)} }
.chat-input {
  background: rgba(0,0,0,.4); border: 1px solid rgba(255,255,255,.08); border-radius: 14px;
  transition: border-color .25s, box-shadow .25s;
}
.chat-input:focus { border-color: rgba(232,106,32,.4); box-shadow: 0 0 0 4px rgba(232,106,32,.08); outline: none; }
.chat-send-btn {
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  border-radius: 12px; transition: transform .2s var(--ease-spring), box-shadow .25s;
}
.chat-send-btn:hover { transform: scale(1.05); box-shadow: 0 4px 16px rgba(232,106,32,.35); }
.chat-send-btn:active { transform: scale(.95); }

.toast {
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  background: rgba(20,20,25,.85); border: 1px solid var(--glass-border);
  border-radius: 14px; box-shadow: 0 8px 32px rgba(0,0,0,.4);
  animation: toastIn .35s var(--ease-spring);
}
@keyframes toastIn { from{opacity:0;transform:translateY(20px) scale(.95)} to{opacity:1;transform:translateY(0) scale(1)} }

.user-credits {
  background: rgba(255,255,255,.06); border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
}

.user-btn { border-radius: 999px; transition: all .2s var(--ease-spring); }
.user-btn:hover { transform: translateY(-1px); }

.menubar-action, .menubar-close, .menubar-refresh {
  border-radius: 8px; transition: all .2s var(--ease-spring);
}
.menubar-action:hover { background: rgba(255,255,255,.08); }

.pricing-column {
  background: rgba(255,255,255,.03);
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border: 1px solid var(--glass-border); border-radius: 16px;
  transition: transform .3s var(--ease-spring), border-color .3s;
}
.pricing-column:hover { transform: translateY(-3px); border-color: var(--glass-border-strong); }
.pricing-btn-upgrade { transition: transform .2s var(--ease-spring), filter .2s; }
.pricing-btn-upgrade:hover { transform: translateY(-1px); filter: brightness(1.1); }

@media (max-width: 640px) {
  .site-header-inner { padding: 0 20px; }
  .container { padding: 88px 16px 32px; }
  .input-area { border-radius: 20px; padding: 18px; }
  .hero-title { font-size: 28px; }
}