/* ================================================================
   WOW login experience
   Přidej POD stávající style.css nebo style.modern.css
================================================================ */

body.login-page {
  position: relative;
  overflow: hidden;
  min-height: 100vh;
  background:
    radial-gradient(circle at 15% 20%, rgba(79, 142, 247, 0.18), transparent 28%),
    radial-gradient(circle at 85% 15%, rgba(129, 140, 248, 0.14), transparent 30%),
    radial-gradient(circle at 50% 100%, rgba(56, 189, 248, 0.12), transparent 42%),
    var(--bg-base);
}

body.login-page::before,
body.login-page::after {
  content: "";
  position: fixed;
  inset: auto;
  border-radius: 999px;
  pointer-events: none;
  filter: blur(10px);
  opacity: 0.65;
  z-index: 0;
}

body.login-page::before {
  width: 36rem;
  height: 36rem;
  left: -10rem;
  top: -9rem;
  background: radial-gradient(circle, rgba(79, 142, 247, 0.2) 0%, rgba(79, 142, 247, 0) 65%);
  animation: loginFloatA 12s ease-in-out infinite;
}

body.login-page::after {
  width: 32rem;
  height: 32rem;
  right: -8rem;
  bottom: -10rem;
  background: radial-gradient(circle, rgba(129, 140, 248, 0.18) 0%, rgba(129, 140, 248, 0) 70%);
  animation: loginFloatB 14s ease-in-out infinite;
}

.login-container {
  position: relative;
  z-index: 2;
  margin: 10vh auto;
  max-width: 430px;
  padding: 42px 34px 30px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background:
    linear-gradient(180deg, rgba(255,255,255,0.05), rgba(255,255,255,0.015)),
    color-mix(in srgb, var(--bg-card) 88%, transparent);
  backdrop-filter: blur(22px) saturate(140%);
  -webkit-backdrop-filter: blur(22px) saturate(140%);
  box-shadow:
    0 28px 90px rgba(0, 0, 0, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.05),
    0 0 0 1px rgba(79, 142, 247, 0.06);
  transform-origin: center;
}

.login-container::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(79, 142, 247, 0.55), rgba(129, 140, 248, 0.18), rgba(56, 189, 248, 0.32));
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0.8;
  pointer-events: none;
}

.login-container h2 {
  margin-bottom: 26px;
  font-size: 1.85rem;
  letter-spacing: -0.03em;
}

.login-container input {
  min-height: 52px;
  margin-bottom: 14px;
  padding-inline: 14px;
  border-radius: 14px;
  font-size: 0.96rem;
}

.login-container button {
  width: 100%;
  min-height: 52px;
  margin-top: 10px;
  border-radius: 14px;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  background:
    linear-gradient(135deg, var(--accent) 0%, #6ea8ff 55%, #818cf8 100%);
  box-shadow:
    0 18px 38px rgba(79, 142, 247, 0.28),
    inset 0 1px 0 rgba(255,255,255,0.18);
}

.login-container button:hover:not(:disabled) {
  transform: translateY(-2px) scale(1.01);
}

.login-container .error {
  min-height: 24px;
  margin-top: 12px;
  text-align: center;
}

.is-authenticating .login-container {
  animation: authPulse 1.4s ease-in-out infinite;
}

.btn-loader {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.28);
  border-top-color: #fff;
  display: inline-block;
  animation: spin 0.85s linear infinite;
}

.login-container.is-shaking {
  animation: shakeX 0.42s ease;
}

.login-success .login-container {
  animation: loginCardExit 1.1s cubic-bezier(0.2, 0.8, 0.18, 1) forwards;
}

.login-success-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  pointer-events: none;
  opacity: 0;
  z-index: 50;
}

.test-notice {
  color: #ef4444; /* červená barva */
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
}

.production-notice {
  color: #4ade80; /* zelená barva */
  font-size: 0.9rem;
  text-align: center;
  margin-bottom: 20px;
  font-weight: 600;
}

.login-success .login-success-overlay {
  opacity: 1;
}

.success-noise {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background-image:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.35) 0 1px, transparent 1px),
    radial-gradient(circle at 80% 30%, rgba(255,255,255,0.28) 0 1px, transparent 1px),
    radial-gradient(circle at 30% 80%, rgba(255,255,255,0.22) 0 1px, transparent 1px);
  background-size: 180px 180px, 220px 220px, 260px 260px;
}

.success-ring,
.success-beam,
.success-core,
.success-card {
  position: absolute;
}

.success-ring {
  width: 18rem;
  height: 18rem;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,0.18);
  box-shadow: inset 0 0 40px rgba(79, 142, 247, 0.12), 0 0 45px rgba(79, 142, 247, 0.16);
}

.login-success .ring-1 { animation: ringExpand 1.15s ease-out forwards; }
.login-success .ring-2 { animation: ringExpand 1.15s ease-out 0.12s forwards; }
.login-success .ring-3 { animation: ringExpand 1.15s ease-out 0.24s forwards; }

.success-beam {
  width: 38vw;
  max-width: 40rem;
  height: 2px;
  background: linear-gradient(90deg, transparent, rgba(110,168,255,0.9), transparent);
  top: 50%;
  filter: blur(0.4px);
  opacity: 0;
}

.beam-left { left: 0; transform-origin: left center; }
.beam-right { right: 0; transform-origin: right center; }

.login-success .beam-left { animation: beamSweepLeft 1s ease-out forwards; }
.login-success .beam-right { animation: beamSweepRight 1s ease-out forwards; }

.success-core {
  width: 14rem;
  height: 14rem;
  border-radius: 50%;
  background:
    radial-gradient(circle, rgba(255,255,255,0.95) 0%, rgba(160, 214, 255, 0.42) 22%, rgba(79, 142, 247, 0.18) 40%, transparent 70%);
  filter: blur(6px);
  opacity: 0;
}

.login-success .success-core {
  animation: coreFlash 1.15s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.success-card {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding: 28px 30px;
  min-width: 300px;
  border-radius: 26px;
  background:
    linear-gradient(180deg, rgba(255,255,255,0.1), rgba(255,255,255,0.04)),
    rgba(8, 12, 20, 0.38);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: 0 30px 70px rgba(0,0,0,0.42);
  transform: translateY(20px) scale(0.94);
  opacity: 0;
}

.login-success .success-card {
  animation: successCardIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.24s forwards;
}

.success-badge {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 2rem;
  font-weight: 800;
  color: white;
  background: linear-gradient(135deg, #22c55e, #38bdf8);
  box-shadow: 0 16px 38px rgba(34, 197, 94, 0.28);
}

.success-title {
  font-size: 1.35rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: #fff;
}

.success-subtitle {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.72);
}

@keyframes loginFloatA {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(36px, 24px, 0) scale(1.08); }
}

@keyframes loginFloatB {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  50% { transform: translate3d(-40px, -26px, 0) scale(1.05); }
}

@keyframes authPulse {
  0%, 100% { box-shadow: 0 28px 90px rgba(0, 0, 0, 0.42), inset 0 1px 0 rgba(255, 255, 255, 0.05), 0 0 0 1px rgba(79, 142, 247, 0.06); }
  50% { box-shadow: 0 28px 90px rgba(0, 0, 0, 0.48), 0 0 0 1px rgba(79, 142, 247, 0.18), 0 0 0 10px rgba(79, 142, 247, 0.08); }
}

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

@keyframes shakeX {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-8px); }
  40% { transform: translateX(7px); }
  60% { transform: translateX(-5px); }
  80% { transform: translateX(4px); }
}

@keyframes loginCardExit {
  0% {
    opacity: 1;
    transform: translateY(0) scale(1);
    filter: blur(0px);
  }
  36% {
    opacity: 1;
    transform: translateY(-10px) scale(1.02);
  }
  100% {
    opacity: 0;
    transform: translateY(-36px) scale(0.92);
    filter: blur(10px);
  }
}

@keyframes ringExpand {
  0% {
    transform: scale(0.45);
    opacity: 0;
  }
  20% { opacity: 0.9; }
  100% {
    transform: scale(2.1);
    opacity: 0;
  }
}

@keyframes beamSweepLeft {
  0% {
    opacity: 0;
    transform: translateX(-16%) scaleX(0.1);
  }
  32% { opacity: 1; }
  100% {
    opacity: 0;
    transform: translateX(10%) scaleX(1);
  }
}

@keyframes beamSweepRight {
  0% {
    opacity: 0;
    transform: translateX(16%) scaleX(0.1);
  }
  32% { opacity: 1; }
  100% {
    opacity: 0;
    transform: translateX(-10%) scaleX(1);
  }
}

@keyframes coreFlash {
  0% {
    opacity: 0;
    transform: scale(0.3);
  }
  35% {
    opacity: 1;
    transform: scale(1);
  }
  100% {
    opacity: 0;
    transform: scale(1.6);
  }
}

@keyframes successCardIn {
  0% {
    opacity: 0;
    transform: translateY(18px) scale(0.92);
  }
  100% {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  body.login-page::before,
  body.login-page::after,
  .is-authenticating .login-container,
  .login-container.is-shaking,
  .login-success .login-container,
  .login-success .ring-1,
  .login-success .ring-2,
  .login-success .ring-3,
  .login-success .beam-left,
  .login-success .beam-right,
  .login-success .success-core,
  .login-success .success-card,
  .btn-loader {
    animation: none !important;
  }

  .login-success-overlay { opacity: 1; }
}