.typing-cursor::after {
        content: "|";
        animation: blink 1s step-start infinite;
      }
      @keyframes blink {
        50% {
          opacity: 0;
        }
      }
      
      /* Custom scrollbar */
      ::-webkit-scrollbar {
        width: 8px;
      }
      ::-webkit-scrollbar-track {
        background: #f1f1f1;
      }
      ::-webkit-scrollbar-thumb {
        background: #c7c7c7;
        border-radius: 4px;
      }
      ::-webkit-scrollbar-thumb:hover {
        background: #a1a1a1;
      }

      /* Scroll Progress Bar */
      #scroll-progress {
        position: fixed;
        top: 0;
        left: 0;
        width: 0;
        height: 3px;
        background: linear-gradient(90deg, #6366f1, #ec4899);
        z-index: 9999;
        transition: width 0.1s ease-out;
      }

      /* Fade In Animation */
      .fade-in {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
      }
      .fade-in.active {
        opacity: 1;
        transform: translateY(0);
      }
      /* ---------- fancy background ---------- */
.blob {
  position: absolute;
  width: 520px;
  height: 520px;
  filter: blur(60px);
  opacity: 0.45;
  border-radius: 9999px;
  animation: blobFloat 10s ease-in-out infinite;
}

.blob-1 {
  top: -180px;
  left: -180px;
  background: radial-gradient(circle at 30% 30%, rgba(99,102,241,0.85), rgba(168,85,247,0.2));
}

.blob-2 {
  bottom: -220px;
  right: -220px;
  background: radial-gradient(circle at 30% 30%, rgba(168,85,247,0.85), rgba(99,102,241,0.2));
  animation-delay: 1.2s;
}

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(18px, -14px) scale(1.06); }
}

.grid-overlay {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(99,102,241,0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(99,102,241,0.08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at 50% 35%, rgba(0,0,0,0.9), transparent 70%);
  opacity: 0.6;
}

/* ---------- card glow ---------- */
.card-glow {
  position: relative;
}
.card-glow::before {
  content: "";
  position: absolute;
  inset: -2px;
  border-radius: inherit;
  background: linear-gradient(135deg, rgba(99,102,241,0.35), rgba(168,85,247,0.35), rgba(99,102,241,0.15));
  opacity: 0.55;
  filter: blur(18px);
  z-index: -1;
}

/* ---------- text gradient ---------- */
.text-gradient {
  background: linear-gradient(90deg, #4f46e5, #a855f7);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* ---------- ping dot ---------- */
.dot-ping {
  width: 8px;
  height: 8px;
  border-radius: 9999px;
  background: #4f46e5;
  position: relative;
}
.dot-ping::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 9999px;
  background: rgba(79,70,229,0.4);
  animation: ping 1.4s cubic-bezier(0, 0, 0.2, 1) infinite;
}
@keyframes ping {
  0% { transform: scale(1); opacity: 0.9; }
  80%, 100% { transform: scale(2.2); opacity: 0; }
}

/* ---------- shiny button ---------- */
.btn-shine {
  position: relative;
  overflow: hidden;
  transform: translateZ(0);
}
.btn-shine:hover { transform: translateY(-2px); }
.btn-shine::after {
  content: "";
  position: absolute;
  top: -20%;
  left: -60%;
  width: 40%;
  height: 140%;
  transform: skewX(-20deg);
  background: linear-gradient(to right, transparent, rgba(255,255,255,0.35), transparent);
  transition: left 0.6s ease;
}
.btn-shine:hover::after { left: 130%; }

/* ---------- icon micro interaction ---------- */
.icon-pop {
  transition: transform 200ms ease;
}
a:hover .icon-pop {
  transform: translateY(-1px) scale(1.08);
}

/* ---------- social pills + underline ---------- */
.social-pill {
  width: 34px;
  height: 34px;
  border-radius: 9999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.8);
  border: 1px solid rgba(229,231,235,1);
  box-shadow: 0 8px 24px -18px rgba(0,0,0,0.25);
  transition: transform 200ms ease, box-shadow 200ms ease;
}
.group:hover .social-pill {
  transform: translateY(-2px) rotate(6deg);
  box-shadow: 0 18px 38px -24px rgba(0,0,0,0.35);
}

.link-underline {
  position: relative;
}
.link-underline::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -3px;
  width: 0%;
  height: 2px;
  background: currentColor;
  opacity: 0.7;
  transition: width 250ms ease;
}
.group:hover .link-underline::after { width: 100%; }

/* ---------- footer icons ---------- */
.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 9999px;
  background: rgba(255,255,255,0.9);
  border: 1px solid rgba(229,231,235,1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(75,85,99,1);
  transition: transform 200ms ease, background 200ms ease, color 200ms ease, border-color 200ms ease;
}
.icon-btn:hover {
  transform: translateY(-2px) scale(1.06) rotate(8deg);
  background: #111827;
  border-color: #111827;
  color: white;
}
.icon-btn-blue:hover { background: #2563eb; border-color: #2563eb; }
.icon-btn-pink:hover { background: #ec4899; border-color: #ec4899; }

.footer-glow {
  position: absolute;
  inset: -120px;
  background: radial-gradient(circle at 50% 0%, rgba(99,102,241,0.16), transparent 55%);
  filter: blur(18px);
}

/* ---------- scroll reveal ---------- */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 700ms ease, transform 700ms ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------- back to top ---------- */
.to-top-btn {
  position: fixed;
  right: 18px;
  bottom: 18px;
  width: 44px;
  height: 44px;
  border-radius: 9999px;
  border: 1px solid rgba(229,231,235,1);
  background: rgba(255,255,255,0.9);
  color: #111827;
  display: grid;
  place-items: center;
  box-shadow: 0 18px 40px -26px rgba(0,0,0,0.35);
  transform: translateY(20px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 250ms ease, transform 250ms ease;
  z-index: 50;
}
.to-top-btn.show {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.to-top-btn:hover {
  transform: translateY(-2px);
}

      /* Slide In from Left */
      .slide-left {
        opacity: 0;
        transform: translateX(-50px);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
      }
      .slide-left.active {
        opacity: 1;
        transform: translateX(0);
      }

      /* Slide In from Right */
      .slide-right {
        opacity: 0;
        transform: translateX(50px);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
      }
      .slide-right.active {
        opacity: 1;
        transform: translateX(0);
      }

      /* Scale In Animation */
      .scale-in {
        opacity: 0;
        transform: scale(0.8);
        transition: opacity 0.8s ease-out, transform 0.8s ease-out;
      }
      .scale-in.active {
        opacity: 1;
        transform: scale(1);
      }

      /* Floating Animation */
      @keyframes float {
        0%, 100% {
          transform: translateY(0px);
        }
        50% {
          transform: translateY(-20px);
        }
      }
      .float-animation {
        animation: float 3s ease-in-out infinite;
      }

      /* Pulse Animation */
      @keyframes pulse {
        0%, 100% {
          transform: scale(1);
          opacity: 1;
        }
        50% {
          transform: scale(1.05);
          opacity: 0.8;
        }
      }
      .pulse-animation {
        animation: pulse 2s ease-in-out infinite;
      }

      /* Rotate Animation */
      @keyframes rotate {
        from {
          transform: rotate(0deg);
        }
        to {
          transform: rotate(360deg);
        }
      }
      .rotate-animation {
        animation: rotate 20s linear infinite;
      }

      /* Gradient Animation */
      @keyframes gradient-shift {
        0% {
          background-position: 0% 50%;
        }
        50% {
          background-position: 100% 50%;
        }
        100% {
          background-position: 0% 50%;
        }
      }
      .gradient-animate {
        background-size: 200% 200%;
        animation: gradient-shift 5s ease infinite;
      }

      /* Dark Mode Styles */
      html.dark {
        background-color: #0f172a;
        color: #e2e8f0;
      }
      
      .dark body {
        background-color: #0f172a;
        color: #e2e8f0;
      }
      
      .dark nav {
        background-color: rgba(15, 23, 42, 0.95) !important;
        backdrop-filter: blur(12px);
      }
      
      .dark .text-gray-900 {
        color: #f1f5f9 !important;
      }
      
      .dark .text-gray-600 {
        color: #cbd5e1 !important;
      }
      
      .dark .text-gray-800 {
        color: #e2e8f0 !important;
      }
      
      .dark .text-gray-500 {
        color: #94a3b8 !important;
      }
      
      .dark .text-gray-400 {
        color: #64748b !important;
      }
      
      .dark .text-gray-500 {
        color: #94a3b8 !important;
      }
      
      .dark .bg-white {
        background-color: #1e293b !important;
      }
      
      .dark .bg-gray-50 {
        background-color: #0f172a !important;
      }
      
      .dark .bg-slate-50 {
        background-color: #0f172a !important;
      }
      
      .dark .bg-gray-100 {
        background-color: #334155 !important;
      }
      
      .dark .border-gray-100 {
        border-color: #334155 !important;
      }
      
      .dark .border-gray-200 {
        border-color: #475569 !important;
      }
      
      .dark .bg-gray-800 {
        background-color: #1e293b !important;
      }
      
      .dark .bg-gray-900 {
        background-color: #1e293b !important;
      }
      
      .dark .bg-indigo-50 {
        background-color: rgba(99, 102, 241, 0.1) !important;
      }
      
      .dark .shadow-sm {
        box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.3) !important;
      }
      
      .dark .shadow-lg {
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.5) !important;
      }
      
      .dark .shadow-xl {
        box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.5) !important;
      }
      
      .dark .shadow-2xl {
        box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.6) !important;
      }
      
      /* Dark mode - Contact & Footer specific */
      .dark section#contact {
        background-color: #0f172a !important;
      }
      
      .dark section#contact .bg-white\/70 {
        background-color: rgba(30, 41, 59, 0.8) !important;
      }
      
      .dark section#contact .text-gray-600 {
        color: #cbd5e1 !important;
      }
      
      .dark section#contact .text-gray-500 {
        color: #94a3b8 !important;
      }
      
      .dark section#contact .bg-indigo-50\/70 {
        background-color: rgba(99, 102, 241, 0.15) !important;
      }
      
      .dark section#contact .border-indigo-100 {
        border-color: rgba(99, 102, 241, 0.2) !important;
      }
      
      .dark footer {
        background-color: #0f172a !important;
        border-top-color: #334155 !important;
      }
      
      .dark footer .text-gray-500 {
        color: #94a3b8 !important;
      }
      
      .dark footer .text-gray-400 {
        color: #cbd5e1 !important;
      }
      
      .dark footer .border-gray-200 {
        border-color: #334155 !important;
      }
      
      /* Projects section - Light mode override */
      section#projects.bg-gray-900 {
        background-color: #f9fafb !important;
        color: #1f2937 !important;
      }
      
      section#projects .text-white {
        color: #1f2937 !important;
      }
      
      section#projects .text-indigo-400 {
        color: #6366f1 !important;
      }
      
      section#projects .text-gray-400 {
        color: #6b7280 !important;
      }
      
      section#projects .bg-gray-800 {
        background-color: #ffffff !important;
        border-color: #e5e7eb !important;
      }
      
      section#projects .border-gray-700 {
        border-color: #e5e7eb !important;
      }
      
      /* Dark mode - Projects section */
      html.dark section#projects.bg-gray-900 {
        background-color: #1e293b !important;
        color: #f1f5f9 !important;
      }
      
      html.dark section#projects .text-white {
        color: #f1f5f9 !important;
      }
      
      html.dark section#projects .text-gray-400 {
        color: #94a3b8 !important;
      }
      
      html.dark section#projects .text-indigo-400 {
        color: #a5b4fc !important;
      }
      
      html.dark section#projects .bg-gray-800 {
        background-color: #334155 !important;
        border-color: #475569 !important;
      }
      
      html.dark section#projects .border-gray-700 {
        border-color: #475569 !important;
      }
      
      html.dark section#projects .hover\:border-indigo-500:hover {
        border-color: #6366f1 !important;
      }
      
      html.dark section#projects .bg-gray-900\/40 {
        background-color: rgba(30, 41, 59, 0.6) !important;
      }
      
      html.dark section#projects .hover\:text-white:hover {
        color: #f1f5f9 !important;
      }
      
      html.dark section#projects .border-b {
        border-bottom-color: #475569 !important;
      }
      
      html.dark section#projects .hover\:border-white:hover {
        border-bottom-color: #e2e8f0 !important;
      }
      
      /* Dark mode smooth transition */
      body, nav, section, div, a, button, span {
        transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
      }

      /* Stagger Animation Delays */
      .stagger-1 { transition-delay: 0.1s; }
      .stagger-2 { transition-delay: 0.2s; }
      .stagger-3 { transition-delay: 0.3s; }
      .stagger-4 { transition-delay: 0.4s; }
      .stagger-5 { transition-delay: 0.5s; }
      .stagger-6 { transition-delay: 0.6s; }

      /* Card Hover Effects */
      .card-hover {
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      }
      .card-hover:hover {
        transform: translateY(-8px);
        box-shadow: 0 20px 40px rgba(99, 102, 241, 0.15);
      }

      /* Glow Effect */
      .glow-on-hover {
        position: relative;
        overflow: hidden;
      }
      .glow-on-hover::before {
        content: '';
        position: absolute;
        top: 50%;
        left: 50%;
        width: 0;
        height: 0;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.3);
        transform: translate(-50%, -50%);
        transition: width 0.6s, height 0.6s;
      }
      .glow-on-hover:hover::before {
        width: 300px;
        height: 300px;
      }

      /* Loading Spinner */
      .spinner {
        border: 3px solid rgba(99, 102, 241, 0.1);
        border-top: 3px solid #6366f1;
        border-radius: 50%;
        width: 40px;
        height: 40px;
        animation: spin 1s linear infinite;
      }
      @keyframes spin {
        0% { transform: rotate(0deg); }
        100% { transform: rotate(360deg); }
      }

      /* Parallax Effect */
      .parallax {
        transition: transform 0.1s ease-out;
      }

      /* Shimmer Effect */
      @keyframes shimmer {
        0% {
          background-position: -1000px 0;
        }
        100% {
          background-position: 1000px 0;
        }
      }
      .shimmer {
        background: linear-gradient(
          90deg,
          rgba(255, 255, 255, 0) 0%,
          rgba(255, 255, 255, 0.3) 50%,
          rgba(255, 255, 255, 0) 100%
        );
        background-size: 1000px 100%;
        animation: shimmer 2s infinite;
      }

      /* Text Gradient Animation */
      .text-gradient-animate {
        background: linear-gradient(
          90deg,
          #6366f1,
          #ec4899,
          #8b5cf6,
          #6366f1
        );
        background-size: 300% 100%;
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        animation: gradient-shift 3s ease infinite;
      }

      /* Back to Top Button */
      #back-to-top {
        position: fixed;
        bottom: 30px;
        left: 30px;
        width: 50px;
        height: 50px;
        background: #6366f1;
        color: white;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s ease;
        box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
        z-index: 40;
      }
      #back-to-top.show {
        opacity: 1;
        visibility: visible;
      }
      #back-to-top:hover {
        transform: translateY(-5px);
        background: #4f46e5;
        box-shadow: 0 6px 25px rgba(99, 102, 241, 0.6);
      }


@keyframes orbitSpin{ to{ transform: rotate(360deg); } }

.loader-text .brand{
  font-weight: 800;
  letter-spacing: -0.02em;
  font-size: 18px;
  color: #111827;
}
.dark .loader-text .brand{ color: #e2e8f0; }

.loader-text .brand span{ color: #6366f1; }
.loader-text .sub{
  font-size: 12px;
  color: #6b7280;
  text-align: center;
}
.dark .loader-text .sub{ color: #94a3b8; }

/* Hide state */
.loader-overlay.hide{
  opacity: 0;
  visibility: hidden;
}

/* Mobile size */
@media (max-width: 640px){
  .orbit{ width: 68px; height: 68px; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce){
  .orbit{ animation: none; }
  .loader-overlay{ transition: none; }
}
/* ===== BIGGER LOADER (override) ===== */
.loader-card{
  padding: 34px 40px;          /* tăng padding */
  border-radius: 22px;
  gap: 18px;
  box-shadow: 0 40px 90px -55px rgba(79,70,229,0.55);
  transform: scale(1.25);      /* phóng to toàn bộ card */
  transform-origin: center;
}

/* vòng tròn orbit to hơn */
.orbit{
  width: 120px;
  height: 120px;
  border-width: 2px;
}

/* “hành tinh” to hơn */
.planet{
  width: 16px;
  height: 16px;
  top: -8px;
}

/* chữ to hơn */
.loader-text .brand{
  font-size: 22px;
}

.loader-text .sub{
  font-size: 13px;
}

/* responsive: mobile thì nhỏ lại chút cho vừa */
@media (max-width: 640px){
  .loader-card{ transform: scale(1.05); padding: 26px 28px; }
  .orbit{ width: 92px; height: 92px; }
  .loader-text .brand{ font-size: 18px; }
}
/* lock scroll while loading */
body.loading { overflow: hidden; }

/* fullscreen overlay */
.loader-container{
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 25%, rgba(99,102,241,0.20), transparent 45%),
    radial-gradient(circle at 80% 75%, rgba(236,72,153,0.18), transparent 50%),
    #ffffff;
  transition: opacity 600ms ease, visibility 600ms ease;
}
.dark .loader-container{
  background:
    radial-gradient(circle at 20% 25%, rgba(99,102,241,0.22), transparent 48%),
    radial-gradient(circle at 80% 75%, rgba(236,72,153,0.20), transparent 55%),
    #0f172a;
}
.loader-container.hide{ opacity: 0; visibility: hidden; }

/* ===== Atom Loader ===== */
.atom{
  width: 160px;                 /* <<< chỉnh size ở đây */
  height: 160px;
  position: relative;
  filter: drop-shadow(0 18px 30px rgba(79,70,229,0.25));
}
.atom::before{
  content:"";
  position:absolute;
  inset: 0;
  margin:auto;
  width: 26px;
  height: 26px;
  border-radius: 9999px;
  background: linear-gradient(90deg,#6366f1,#ec4899);
  box-shadow: 0 0 0 10px rgba(99,102,241,0.08);
}

/* 3 quỹ đạo */
.electron, .electron-alpha, .electron-omega{
  position:absolute;
  inset: 0;
  margin:auto;
  width: 100%;
  height: 60%;
  border-radius: 9999px;
  border: 2px solid rgba(99,102,241,0.35);
  animation: spin 1.05s linear infinite;
}
.electron-alpha{
  transform: rotate(60deg);
  animation-duration: 1.25s;
  border-color: rgba(168,85,247,0.30);
}
.electron-omega{
  transform: rotate(120deg);
  animation-duration: 1.45s;
  border-color: rgba(236,72,153,0.28);
}

/* hạt electron chạy trên quỹ đạo */
.electron::after,
.electron-alpha::after,
.electron-omega::after{
  content:"";
  position:absolute;
  top: -7px;
  left: 50%;
  transform: translateX(-50%);
  width: 14px;
  height: 14px;
  border-radius: 9999px;
  background: linear-gradient(90deg,#6366f1,#ec4899);
  box-shadow: 0 10px 24px -12px rgba(79,70,229,0.9);
}

@keyframes spin{ to{ transform: rotate(360deg); } }

/* label */
.loader-label{
  margin-top: 18px;
  text-align:center;
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(229,231,235,1);
}
.dark .loader-label{
  background: rgba(30,41,59,0.55);
  border-color: rgba(71,85,105,1);
}
.loader-label .brand{
  font-weight: 800;
  font-size: 22px;
  color: #111827;
  letter-spacing: -0.02em;
}
.dark .loader-label .brand{ color:#e2e8f0; }
.loader-label .brand span{ color:#6366f1; }
.loader-label .sub{
  font-size: 13px;
  color: #6b7280;
}
.dark .loader-label .sub{ color:#94a3b8; }

/* responsive */
@media (max-width: 640px){
  .atom{ width: 120px; height: 120px; }
  .loader-label .brand{ font-size: 18px; }
}
/* lock scroll while loading */
body.loading { overflow: hidden; }

/* ===== PRELOADER overlay ===== */
.loader-container{
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  background:
    radial-gradient(circle at 20% 25%, rgba(99,102,241,0.20), transparent 45%),
    radial-gradient(circle at 80% 75%, rgba(236,72,153,0.18), transparent 50%),
    #ffffff;
  transition: opacity 600ms ease, visibility 600ms ease;
}

html.dark .loader-container{
  background:
    radial-gradient(circle at 20% 25%, rgba(99,102,241,0.22), transparent 48%),
    radial-gradient(circle at 80% 75%, rgba(236,72,153,0.20), transparent 55%),
    #0f172a;
}

.loader-container.hide{ opacity: 0; visibility: hidden; }

.loader-wrap{
  display: grid;
  place-items: center;
  gap: 16px;
}

/* ===== Atom size (chỉnh ở đây để to/nhỏ) ===== */
:root{ --atom-size: 170px; }        /* tăng lên 200px nếu muốn to hơn */
@media (max-width: 640px){
  :root{ --atom-size: 130px; }
}

.atom{
  width: var(--atom-size);
  height: var(--atom-size);
  position: relative;
  filter: drop-shadow(0 18px 30px rgba(79,70,229,0.25));
}

/* nucleus */
.atom::before{
  content:"";
  position:absolute;
  inset: 0;
  margin:auto;
  width: calc(var(--atom-size) * 0.16);
  height: calc(var(--atom-size) * 0.16);
  border-radius: 9999px;
  background: linear-gradient(90deg,#6366f1,#ec4899);
  box-shadow: 0 0 0 12px rgba(99,102,241,0.08);
}

/* 3 orbit rings */
.electron, .electron-alpha, .electron-omega{
  position:absolute;
  inset: 0;
  margin:auto;
  width: 100%;
  height: 62%;
  border-radius: 9999px;
  border: 2px solid rgba(99,102,241,0.35);
  animation: atomSpin 1.05s linear infinite;
}

.electron-alpha{
  transform: rotate(60deg);
  animation-duration: 1.25s;
  border-color: rgba(168,85,247,0.30);
}
.electron-omega{
  transform: rotate(120deg);
  animation-duration: 1.45s;
  border-color: rgba(236,72,153,0.28);
}

/* moving dots */
.electron::after,
.electron-alpha::after,
.electron-omega::after{
  content:"";
  position:absolute;
  top: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(var(--atom-size) * 0.09);
  height: calc(var(--atom-size) * 0.09);
  border-radius: 9999px;
  background: linear-gradient(90deg,#6366f1,#ec4899);
  box-shadow: 0 10px 24px -12px rgba(79,70,229,0.9);
}

@keyframes atomSpin{ to{ transform: rotate(360deg); } }

/* label card */
.loader-label{
  text-align:center;
  padding: 14px 18px;
  border-radius: 16px;
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(229,231,235,1);
}

html.dark .loader-label{
  background: rgba(30,41,59,0.55);
  border-color: rgba(71,85,105,1);
}

.loader-label .brand{
  font-weight: 800;
  font-size: 22px;
  color: #111827;
  letter-spacing: -0.02em;
}
html.dark .loader-label .brand{ color:#e2e8f0; }

.loader-label .brand span{ color:#6366f1; }

.loader-label .sub{
  margin-top: 2px;
  font-size: 13px;
  color: #6b7280;
}
html.dark .loader-label .sub{ color:#94a3b8; }

/* reduce motion */
@media (prefers-reduced-motion: reduce){
  .electron, .electron-alpha, .electron-omega{ animation: none; }
  .loader-container{ transition: none; }
}