/* ============================================================
   NovaMind AI — Shared Stylesheet for new.aihub.luxe
   Enterprise-grade dark theme
   ============================================================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#0a0f18;color:#cbd5e1;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
a{text-decoration:none;color:inherit}
img{max-width:100%;display:block}
ul{list-style:none}

/* ---- Toast ---- */
#toast{position:fixed;top:1.5rem;left:50%;z-index:99999;transform:translateX(-50%) translateY(-120px);
  background:#00d4aa;color:#0a0f18;padding:0.75rem 1.5rem;border-radius:8px;font-weight:600;
  font-size:0.9rem;box-shadow:0 8px 32px rgba(0,212,170,0.3);
  transition:transform 0.4s cubic-bezier(0.175,0.885,0.32,1.275);pointer-events:none}
#toast.show{transform:translateX(-50%) translateY(0)}
#toast.error{background:#ef4444;box-shadow:0 8px 32px rgba(239,68,68,0.3)}

/* ---- Reveal ---- */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 0.7s ease,transform 0.7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}

/* ---- Scrollbar ---- */
::selection{background:rgba(0,212,170,0.15);color:#00d4aa}
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:#0a0f18}
::-webkit-scrollbar-thumb{background:#1e293b;border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:#64748b}

/* ---- Modal ---- */
.modal-overlay{position:fixed;inset:0;z-index:9998;background:rgba(0,0,0,0.78);backdrop-filter:blur(8px);
  display:flex;align-items:center;justify-content:center;padding:1rem;
  opacity:0;pointer-events:none;transition:opacity 0.35s}
.modal-overlay.open{opacity:1;pointer-events:all}
.modal-panel{background:#1a2332;border:1px solid rgba(255,255,255,0.08);border-radius:16px;
  max-width:680px;width:100%;max-height:85vh;overflow-y:auto;
  transform:scale(0.92);transition:transform 0.35s cubic-bezier(0.175,0.885,0.32,1.275)}
.modal-overlay.open .modal-panel{transform:scale(1)}
.modal-close{position:absolute;top:1rem;right:1rem;width:36px;height:36px;border-radius:8px;
  background:rgba(255,255,255,0.04);border:1px solid rgba(255,255,255,0.06);color:#94a3b8;
  display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:1.25rem;
  transition:all 0.3s;z-index:10}
.modal-close:hover{background:rgba(255,255,255,0.1);color:#e2e8f0}

/* ---- Animations ---- */
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:0.25}}
@keyframes fadeInUp{0%{opacity:0;transform:translateY(40px)}100%{opacity:1;transform:translateY(0)}}