/*
 * EchoVerse Global Loading Overlay v1.0.0
 * Shared component for EchoVerse AI create/save/submit workflows.
 */

:root {
  --ev-loader-navy-0: #050915;
  --ev-loader-navy-1: #0B0F1E;
  --ev-loader-navy-2: #111C3A;
  --ev-loader-blue: #4C7DFF;
  --ev-loader-blue-soft: #7AA2FF;
  --ev-loader-gold: #D4AF37;
  --ev-loader-gold-soft: #F2D879;
  --ev-loader-white: #F8FAFF;
  --ev-loader-muted: #AAB7D2;
}

.ev-loader[hidden] {
  display: none !important;
}

.ev-loader {
  position: fixed;
  inset: 0;
  z-index: 2147483600;
  display: grid;
  place-items: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity 180ms ease, visibility 180ms ease;
  font-family: Inter, Roboto, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.ev-loader.is-visible {
  opacity: 1;
  visibility: visible;
}

.ev-loader__backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 50% 42%, rgba(76,125,255,.18), transparent 34%),
    radial-gradient(circle at 56% 48%, rgba(212,175,55,.10), transparent 28%),
    rgba(5,9,21,.88);
  backdrop-filter: blur(7px);
  -webkit-backdrop-filter: blur(7px);
}

.ev-loader__panel {
  position: relative;
  z-index: 1;
  width: min(470px, calc(100vw - 36px));
  display: grid;
  justify-items: center;
  gap: 16px;
  padding: 30px 28px 26px;
  overflow: hidden;
  border: 1px solid rgba(122,162,255,.26);
  border-radius: 24px;
  background:
    linear-gradient(155deg, rgba(17,28,58,.97), rgba(7,13,31,.98));
  box-shadow:
    0 32px 90px rgba(0,0,0,.48),
    0 0 55px rgba(76,125,255,.13),
    inset 0 1px 0 rgba(255,255,255,.035);
  text-align: center;
}

.ev-loader__panel::before {
  content: "";
  position: absolute;
  width: 250px;
  height: 250px;
  left: -110px;
  top: -140px;
  border-radius: 50%;
  background: rgba(76,125,255,.10);
  filter: blur(18px);
}

.ev-loader__panel::after {
  content: "";
  position: absolute;
  width: 220px;
  height: 220px;
  right: -120px;
  bottom: -140px;
  border-radius: 50%;
  background: rgba(212,175,55,.08);
  filter: blur(18px);
}

.ev-loader__brand {
  position: relative;
  width: 142px;
  height: 142px;
  display: grid;
  place-items: center;
  margin: 2px auto 0;
  isolation: isolate;
}

.ev-loader__halo,
.ev-loader__orbit,
.ev-loader__orbit::before,
.ev-loader__orbit::after {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}

.ev-loader__halo {
  inset: 8px;
  z-index: -3;
  background: radial-gradient(circle, rgba(76,125,255,.26), rgba(76,125,255,.04) 52%, transparent 72%);
  filter: blur(11px);
  animation: ev-loader-breathe 2.4s ease-in-out infinite;
}

.ev-loader__orbit {
  inset: 0;
  z-index: -2;
  border: 2px solid rgba(76,125,255,.14);
  border-top-color: var(--ev-loader-blue);
  border-right-color: rgba(212,175,55,.75);
  box-shadow: 0 0 18px rgba(76,125,255,.20);
  animation: ev-loader-spin 1.55s linear infinite;
}

.ev-loader__orbit::before {
  content: "";
  inset: 8px;
  border: 1px solid rgba(212,175,55,.16);
  border-left-color: var(--ev-loader-gold);
  border-bottom-color: rgba(76,125,255,.72);
  animation: ev-loader-spin-reverse 2.15s linear infinite;
}

.ev-loader__orbit::after {
  content: "";
  inset: -5px;
  border: 1px dashed rgba(122,162,255,.15);
  animation: ev-loader-spin 6s linear infinite;
}

.ev-loader__logo-shell {
  width: 112px;
  height: 112px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 1px solid rgba(242,216,121,.18);
  border-radius: 22px;
  background: #02040A;
  box-shadow:
    0 12px 35px rgba(0,0,0,.38),
    0 0 28px rgba(76,125,255,.16);
  animation: ev-loader-float 2.6s ease-in-out infinite;
}

.ev-loader__logo {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.ev-loader__eyebrow {
  position: relative;
  z-index: 1;
  margin: 0;
  color: var(--ev-loader-gold-soft);
  font-size: 11px;
  font-weight: 800;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.ev-loader__title {
  position: relative;
  z-index: 1;
  margin: -6px 0 0;
  color: var(--ev-loader-white);
  font-size: clamp(23px, 4vw, 29px);
  font-weight: 850;
  line-height: 1.15;
  letter-spacing: -.025em;
}

.ev-loader__message {
  position: relative;
  z-index: 1;
  min-height: 24px;
  margin: -4px 0 0;
  color: #D8E2F8;
  font-size: 15px;
  font-weight: 650;
  line-height: 1.45;
}

.ev-loader__detail {
  position: relative;
  z-index: 1;
  min-height: 18px;
  margin: -8px 0 0;
  color: var(--ev-loader-muted);
  font-size: 12px;
  line-height: 1.45;
}

.ev-loader__progress {
  position: relative;
  z-index: 1;
  width: min(310px, 80%);
  height: 5px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(255,255,255,.075);
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.025);
}

.ev-loader__progress::before {
  content: "";
  position: absolute;
  inset: 0;
  width: 42%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--ev-loader-blue), #77A2FF 56%, var(--ev-loader-gold));
  box-shadow:
    0 0 15px rgba(76,125,255,.55),
    0 0 11px rgba(212,175,55,.24);
  animation: ev-loader-progress 1.25s cubic-bezier(.4,0,.2,1) infinite;
}

.ev-loader__dots {
  position: relative;
  z-index: 1;
  display: flex;
  gap: 7px;
  margin-top: -5px;
}

.ev-loader__dots i {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--ev-loader-blue-soft);
  opacity: .36;
  animation: ev-loader-dot 1.15s ease-in-out infinite;
}

.ev-loader__dots i:nth-child(2) {
  animation-delay: 130ms;
  background: var(--ev-loader-gold-soft);
}

.ev-loader__dots i:nth-child(3) {
  animation-delay: 260ms;
}

body.ev-loader-active {
  overflow: hidden !important;
}

body.ev-loader-active > *:not(.ev-loader) {
  /* Do not hide the app. The screen remains visible behind the overlay. */
}

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

@keyframes ev-loader-spin-reverse {
  to { transform: rotate(-360deg); }
}

@keyframes ev-loader-breathe {
  0%, 100% { opacity: .58; transform: scale(.96); }
  50% { opacity: 1; transform: scale(1.08); }
}

@keyframes ev-loader-float {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-4px) scale(1.015); }
}

@keyframes ev-loader-progress {
  0% { transform: translateX(-125%); }
  100% { transform: translateX(335%); }
}

@keyframes ev-loader-dot {
  0%, 100% { opacity: .28; transform: translateY(0) scale(.85); }
  50% { opacity: 1; transform: translateY(-3px) scale(1.15); }
}

@media (max-width: 560px) {
  .ev-loader {
    padding: 14px;
  }

  .ev-loader__panel {
    width: min(430px, calc(100vw - 28px));
    padding: 26px 19px 22px;
    border-radius: 20px;
  }

  .ev-loader__brand {
    width: 128px;
    height: 128px;
  }

  .ev-loader__logo-shell {
    width: 100px;
    height: 100px;
  }

  .ev-loader__message {
    font-size: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ev-loader *,
  .ev-loader *::before,
  .ev-loader *::after {
    animation-duration: 2.8s !important;
    animation-iteration-count: infinite !important;
  }

  .ev-loader__logo-shell {
    animation: none !important;
  }
}