:root {
  --app-bg: #00050f;
  --app-bg-2: #041126;
  --app-blue: #3b82f6;
  --app-blue-2: #1d4ed8;
  --app-cyan: #22d3ee;
  --app-green: #34d399;
  --app-violet: #8b5cf6;
  --app-amber: #f59e0b;
  --app-danger: #ef4444;
  --app-text: #eef6ff;
  --app-muted: #7a9abf;
  --app-muted-2: #4a6a8a;
  --app-line: rgba(255,255,255,.06);
  --app-line-2: rgba(59,130,246,.18);
  --app-panel: rgba(8,22,45,.76);
  --app-panel-2: rgba(6,18,36,.92);
  --app-shadow-xl: 0 30px 80px rgba(0,0,0,.45);
  --app-shadow-lg: 0 18px 50px rgba(0,0,0,.30);
  --app-font: 'Outfit', system-ui, sans-serif;
  --app-mono: 'JetBrains Mono', monospace;
}

html:not(.dark-mode) {
  --app-bg: #eef2fb;
  --app-bg-2: #e4eaf8;
  --app-text: #0b1726;
  --app-muted: #2f4559;
  --app-muted-2: #3f5b70;
  --app-line: rgba(37,99,235,.12);
  --app-line-2: rgba(59,130,246,.22);
  --app-panel: rgba(255,255,255,.88);
  --app-panel-2: rgba(248,251,255,.95);
  --app-shadow-xl: 0 30px 80px rgba(15,23,42,.09);
  --app-shadow-lg: 0 18px 50px rgba(15,23,42,.06);
}

html:not(.dark-mode) body.app-theme {
  background: var(--app-bg);
  color: var(--app-text);
}

html:not(.dark-mode) .app-bg {
  background:
    radial-gradient(circle at 12% 0%,  rgba(59,130,246,.18), transparent 32%),
    radial-gradient(circle at 90% 15%, rgba(139,92,246,.13), transparent 30%),
    radial-gradient(circle at 50% 100%,rgba(6,182,212,.10),  transparent 32%),
    radial-gradient(circle at 70% 50%, rgba(16,185,129,.06), transparent 38%),
    linear-gradient(160deg, #eef2fb 0%, #e8eef9 50%, #e4eaf8 100%);
}

html:not(.dark-mode) .app-aurora-band {
  mix-blend-mode: multiply;
  opacity: .5;
}

html:not(.dark-mode) .app-grid {
  background-image:
    linear-gradient(rgba(37,99,235,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.04) 1px, transparent 1px);
  opacity: 0.6;
}

html:not(.dark-mode) .app-surface {
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,251,255,.96));
  border-color: rgba(15,23,42,.1);
  box-shadow: var(--app-shadow-xl);
}

html:not(.dark-mode) body.app-theme .app-toast {
  background:
    linear-gradient(180deg, rgba(255,255,255,.98), rgba(248,251,255,.96));
  border-color: rgba(15,23,42,.1);
  box-shadow: 0 12px 40px rgba(15,23,42,.12);
  color: var(--app-text);
}

html:not(.dark-mode) body.app-theme .app-toast-title { color: #0f172a; }
html:not(.dark-mode) body.app-theme .app-toast-text  { color: #475569; }
html:not(.dark-mode) body.app-theme .app-toast-close {
  background: rgba(15,23,42,.05);
  color: #64748b;
}

html, body {
  min-height: 100%;
}

body.app-theme {
  position: relative;
  background: var(--app-bg);
  color: var(--app-text);
  font-family: var(--app-font);
  -webkit-font-smoothing: antialiased;
}

.app-bg,
.app-aurora,
.app-grid {
  position: fixed;
  inset: 0;
  pointer-events: none;
}

.app-bg {
  z-index: -3;
  background:
    radial-gradient(circle at 10% 0%, rgba(59,130,246,.16), transparent 28%),
    radial-gradient(circle at 92% 18%, rgba(139,92,246,.16), transparent 24%),
    radial-gradient(circle at 50% 100%, rgba(34,211,238,.10), transparent 26%),
    linear-gradient(180deg, var(--app-bg) 0%, var(--app-bg-2) 100%);
  background-size: 130% 130%, 130% 130%, 145% 145%, 100% 100%;
  animation: appBgShift 34s ease-in-out infinite;
}

.app-aurora {
  z-index: -2;
  overflow: hidden;
}

.app-aurora-band {
  position: absolute;
  border-radius: 60%;
  filter: blur(90px);
  mix-blend-mode: screen;
}

.app-aurora-band.a1 {
  width: 860px;
  height: 400px;
  top: -110px;
  left: -220px;
  background: linear-gradient(120deg, rgba(37,99,235,.18), rgba(6,182,212,.12), transparent);
  animation: appA1Move 18s ease-in-out infinite;
}

.app-aurora-band.a2 {
  width: 660px;
  height: 360px;
  bottom: -100px;
  right: -120px;
  background: linear-gradient(240deg, rgba(139,92,246,.15), rgba(59,130,246,.10), transparent);
  animation: appA2Move 22s ease-in-out infinite;
}

.app-aurora-band.a3 {
  width: 520px;
  height: 520px;
  top: 28%;
  left: 38%;
  background: radial-gradient(circle, rgba(6,182,212,.08), transparent 65%);
  animation: appA3Move 26s ease-in-out infinite;
}

.app-grid {
  z-index: -1;
  background-image:
    linear-gradient(rgba(37,99,235,.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(37,99,235,.035) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: radial-gradient(ellipse 84% 58% at 50% 0%, black 24%, transparent 72%);
  -webkit-mask-image: radial-gradient(ellipse 84% 58% at 50% 0%, black 24%, transparent 72%);
  animation: appGridDrift 44s linear infinite;
  will-change: transform, opacity;
}

.app-surface {
  background:
    linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03)),
    linear-gradient(180deg, rgba(8,22,45,.94), rgba(4,16,32,.96));
  border: 1px solid rgba(147,197,253,.10);
  box-shadow: var(--app-shadow-xl);
  backdrop-filter: blur(22px);
}

body.app-theme .toast-container {
  position: fixed;
  top: 22px;
  bottom: auto;
  right: 22px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: min(420px, calc(100vw - 24px));
  z-index: 2500;
  pointer-events: none;
}

body.app-theme .app-toast {
  position: relative;
  overflow: hidden;
  pointer-events: auto;
  display: grid;
  grid-template-columns: 54px 1fr auto;
  gap: 14px;
  align-items: start;
  padding: 14px 14px 14px 12px;
  border-radius: 20px;
  background:
    linear-gradient(180deg, rgba(255,255,255,.05), rgba(255,255,255,.02)),
    linear-gradient(180deg, rgba(8,22,45,.96), rgba(4,16,32,.98));
  border: 1px solid rgba(147,197,253,.12);
  box-shadow: 0 22px 50px rgba(0,0,0,.28);
  color: var(--app-text);
  animation: appToastIn .28s ease forwards;
}

body.app-theme .app-toast::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, rgba(255,255,255,.25), rgba(255,255,255,.06));
  transform-origin: left center;
  animation: appToastTimer linear forwards;
}

.app-toast.toast-success::after { background: linear-gradient(90deg, #34d399, rgba(52,211,153,.18)); }
.app-toast.toast-danger::after { background: linear-gradient(90deg, #ef4444, rgba(239,68,68,.18)); }
.app-toast.toast-warning::after { background: linear-gradient(90deg, #f59e0b, rgba(245,158,11,.18)); }
.app-toast.toast-info::after { background: linear-gradient(90deg, #22d3ee, rgba(34,211,238,.18)); }

body.app-theme .app-toast-illu {
  width: 54px;
  height: 54px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.1rem;
  border: 1px solid rgba(255,255,255,.08);
  box-shadow: inset 0 1px 0 rgba(255,255,255,.05);
}

.toast-success .app-toast-illu { background: linear-gradient(135deg, #10b981, #34d399); }
.toast-danger .app-toast-illu { background: linear-gradient(135deg, #ef4444, #fb7185); }
.toast-warning .app-toast-illu { background: linear-gradient(135deg, #f59e0b, #f97316); }
.toast-info .app-toast-illu { background: linear-gradient(135deg, #3b82f6, #22d3ee); }

body.app-theme .app-toast-body {
  min-width: 0;
}

body.app-theme .app-toast-title {
  font-size: .86rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: -.01em;
}

body.app-theme .app-toast-text {
  margin-top: 4px;
  color: #bed2ef;
  font-size: .79rem;
  line-height: 1.55;
}

body.app-theme .app-toast-close {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 12px;
  background: rgba(255,255,255,.04);
  color: #8fb0d8;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

body.app-theme .app-toast.toast-out {
  animation: appToastOut .22s ease forwards;
}

@keyframes appToastIn {
  from { opacity: 0; transform: translateY(-10px) scale(.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes appToastOut {
  to { opacity: 0; transform: translateY(-8px) scale(.98); }
}

@keyframes appToastTimer {
  from { transform: scaleX(1); }
  to { transform: scaleX(0); }
}

@keyframes appA1Move {
  0%,100% { transform: translate(0,0) rotate(0deg); }
  50% { transform: translate(56px,-40px) rotate(15deg); }
}

@keyframes appA2Move {
  0%,100% { transform: translate(0,0) rotate(0deg); }
  50% { transform: translate(-48px,40px) rotate(-12deg); }
}

@keyframes appA3Move {
  0%,100% { transform: translate(0,0); }
  50% { transform: translate(-30px,-50px); }
}

@keyframes appBgShift {
  0% { background-position: 0% 0%, 100% 0%, 50% 100%, 0 0; }
  50% { background-position: 8% 4%, 92% 12%, 46% 94%, 0 0; }
  100% { background-position: 0% 0%, 100% 0%, 50% 100%, 0 0; }
}

@keyframes appGridDrift {
  0% { transform: translate3d(0,0,0); }
  50% { transform: translate3d(12px,-10px,0); }
  100% { transform: translate3d(0,0,0); }
}

@media (max-width: 640px) {
  body.app-theme .toast-container {
    top: 14px;
    right: 12px;
    left: 12px;
    width: auto;
  }

  body.app-theme .app-toast {
    grid-template-columns: 46px 1fr auto;
    padding: 12px;
    border-radius: 18px;
  }

  body.app-theme .app-toast-illu {
    width: 46px;
    height: 46px;
    border-radius: 14px;
  }
}