/* =========================================================================
   Zeno OS — Premium universal loader (v3, smooth + reduced-motion friendly).
   Self-contained; works on any page/background. Add .zloader--dark on dark.
   ========================================================================= */
.zloader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 24px;
  font-family: "Manrope", system-ui, -apple-system, sans-serif;
  background: radial-gradient(circle at 50% 42%, #ffffff 0%, #eef3fb 55%, #e8f0fb 100%);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  opacity: 1;
  visibility: visible;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}
.zloader.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.zloader__stage {
  position: relative;
  width: 120px;
  height: 120px;
  display: grid;
  place-items: center;
}

/* soft breathing glow behind the mark */
.zloader__glow {
  position: absolute;
  width: 94px;
  height: 94px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(37, 182, 198, 0.30), rgba(116, 23, 180, 0.16) 55%, transparent 72%);
  filter: blur(10px);
  animation: zlGlow 2.4s ease-in-out infinite;
}

/* thin spinning gradient rings (a full conic disc masked to an annulus) */
.zloader__ring {
  position: absolute;
  border-radius: 50%;
}
.zloader__ring--a {
  inset: 0;
  background: conic-gradient(from 0deg,
    transparent 0 8%, rgba(37, 182, 198, 0.18) 22%,
    #25b6c6 52%, #1e47a8 76%, #7417b4 90%, transparent 100%);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3.5px));
          mask: radial-gradient(farthest-side, transparent calc(100% - 4px), #000 calc(100% - 3.5px));
  animation: zlSpin 1.05s linear infinite;
}
.zloader__ring--b {
  inset: 14px;
  background: conic-gradient(from 200deg, transparent 0 58%, rgba(116, 23, 180, 0.55) 82%, transparent 100%);
  -webkit-mask: radial-gradient(farthest-side, transparent calc(100% - 2.5px), #000 calc(100% - 2px));
          mask: radial-gradient(farthest-side, transparent calc(100% - 2.5px), #000 calc(100% - 2px));
  animation: zlSpin 1.9s linear infinite reverse;
}
.zloader__ring--c { display: none; }

.zloader__mark {
  position: relative;
  z-index: 2;
  width: 56px;
  height: 56px;
  border-radius: 17px;
  display: grid;
  place-items: center;
  background: #ffffff;
  box-shadow: 0 14px 36px rgba(30, 71, 168, 0.20), inset 0 0 0 1px rgba(16, 26, 52, 0.05);
  animation: zlBob 3s ease-in-out infinite;
}
.zloader__mark img {
  width: 34px;
  height: 34px;
  object-fit: contain;
  display: block;
}

.zloader__word {
  font-family: "Sora", "Manrope", sans-serif;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: -0.01em;
  color: #101a34;
}
.zloader__word span {
  background: linear-gradient(92deg, #7417b4, #1e47a8 45%, #25b6c6);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.zloader__bar {
  position: relative;
  width: 150px;
  height: 3px;
  border-radius: 999px;
  background: rgba(16, 26, 52, 0.08);
  overflow: hidden;
}
.zloader__bar i {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 40%;
  border-radius: 999px;
  background: linear-gradient(92deg, #7417b4, #1e47a8 45%, #25b6c6);
  animation: zlBar 1.25s cubic-bezier(0.65, 0, 0.35, 1) infinite;
}

.zloader__msg {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: #5e6a84;
}

@keyframes zlSpin { to { transform: rotate(360deg); } }
@keyframes zlGlow { 0%, 100% { transform: scale(0.92); opacity: 0.7; } 50% { transform: scale(1.08); opacity: 1; } }
@keyframes zlBob { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-3px); } }
@keyframes zlBar { 0% { left: -45%; width: 45%; } 50% { width: 55%; } 100% { left: 100%; width: 32%; } }

/* dark-surface variant */
.zloader--dark {
  background: radial-gradient(circle at 50% 42%, #0b1430 0%, #05070f 70%);
}
.zloader--dark .zloader__word { color: #eaf0ff; }
.zloader--dark .zloader__msg { color: #9aa6c4; }
.zloader--dark .zloader__bar { background: rgba(255, 255, 255, 0.12); }
.zloader--dark .zloader__mark {
  background: rgba(20, 28, 54, 0.9);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.4), inset 0 0 0 1px rgba(255, 255, 255, 0.06);
}

/* Reduced-motion: NO spinning/sliding — but never frozen. A gentle "breathe"
   keeps it clearly alive: full soft ring + fading glow/mark + pulsing bar. */
@media (prefers-reduced-motion: reduce) {
  .zloader__ring--a,
  .zloader__ring--b {
    animation: none;
    background: conic-gradient(from 0deg,
      rgba(116, 23, 180, 0.45), rgba(30, 71, 168, 0.45), rgba(37, 182, 198, 0.45), rgba(116, 23, 180, 0.45));
  }
  .zloader__ring--b { opacity: 0.5; }
  .zloader__glow,
  .zloader__mark { animation: zlBreathe 2s ease-in-out infinite; }
  .zloader__bar i {
    animation: zlBarPulse 1.5s ease-in-out infinite;
    left: 0;
    width: 100%;
  }
}
@keyframes zlBreathe { 0%, 100% { opacity: 0.62; } 50% { opacity: 1; } }
@keyframes zlBarPulse { 0%, 100% { opacity: 0.35; } 50% { opacity: 1; } }