@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;700&family=Space+Grotesk:wght@400;600&display=swap');

:root {
  --bg: #05070f;
  --panel: rgba(6, 10, 18, 0.66);
  --panel-soft: rgba(16, 20, 32, 0.65);
  --panel-strong: rgba(24, 30, 48, 0.78);
  --text: #f6f7ff;
  --muted: rgba(246, 247, 255, 0.72);
  --line: rgba(147, 0, 63, 0.28);
  --accent: #93003f;
  --accent-2: #7f0030;
  --success: #22c55e;
  --danger: #ef4444;
  --glow: rgba(133, 5, 61, 0.35);
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
}

body {
  font-family: "Space Grotesk", system-ui, -apple-system, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(127, 0, 48, 0.75), transparent 25%),
    radial-gradient(circle at 0% 0%, rgba(0, 0, 0, 0.4), transparent 40%),
    linear-gradient(220deg, #000 20%, #7f0030 100%);
  position: relative;
}

a {
  color: inherit;
}

.page-layer {
  position: relative;
  z-index: 1;
}

.cosmos {
  position: fixed;
  inset: 0;
  overflow: hidden;
  z-index: 0;
  pointer-events: none;
}

.stars {
  position: absolute;
  inset: -20%;
  background-repeat: repeat;
  animation: drift var(--drift-speed) linear infinite;
  opacity: var(--star-opacity);
}

.stars.layer-1 {
  --drift-speed: 160s;
  --star-opacity: 0.45;
  background-image:
    radial-gradient(1px 1px at 20px 30px, rgba(255, 255, 255, 0.9) 70%, transparent 71%),
    radial-gradient(1px 1px at 120px 80px, rgba(255, 255, 255, 0.6) 70%, transparent 71%),
    radial-gradient(1px 1px at 50px 160px, rgba(255, 255, 255, 0.7) 70%, transparent 71%),
    radial-gradient(1px 1px at 220px 120px, rgba(255, 255, 255, 0.5) 70%, transparent 71%),
    radial-gradient(1px 1px at 180px 200px, rgba(255, 255, 255, 0.8) 70%, transparent 71%);
  background-size: 280px 260px;
}

.stars.layer-2 {
  --drift-speed: 120s;
  --star-opacity: 0.65;
  background-image:
    radial-gradient(1.2px 1.2px at 40px 40px, rgba(255, 255, 255, 0.95) 70%, transparent 71%),
    radial-gradient(1px 1px at 160px 70px, rgba(255, 255, 255, 0.7) 70%, transparent 71%),
    radial-gradient(1.4px 1.4px at 90px 150px, rgba(255, 255, 255, 0.8) 70%, transparent 71%),
    radial-gradient(1px 1px at 210px 190px, rgba(255, 255, 255, 0.6) 70%, transparent 71%),
    radial-gradient(1.1px 1.1px at 260px 110px, rgba(255, 255, 255, 0.85) 70%, transparent 71%);
  background-size: 320px 300px;
}

.stars.layer-3 {
  --drift-speed: 90s;
  --star-opacity: 0.9;
  background-image:
    radial-gradient(1.6px 1.6px at 30px 60px, rgba(255, 255, 255, 0.95) 70%, transparent 71%),
    radial-gradient(1.4px 1.4px at 140px 20px, rgba(255, 255, 255, 0.8) 70%, transparent 71%),
    radial-gradient(1.8px 1.8px at 100px 170px, rgba(255, 255, 255, 0.9) 70%, transparent 71%),
    radial-gradient(1.2px 1.2px at 240px 140px, rgba(255, 255, 255, 0.7) 70%, transparent 71%),
    radial-gradient(1.6px 1.6px at 210px 220px, rgba(255, 255, 255, 0.85) 70%, transparent 71%);
  background-size: 360px 340px;
  filter: drop-shadow(0 0 6px rgba(147, 0, 63, 0.25));
}

.nebula {
  position: absolute;
  inset: -25%;
  background: linear-gradient(
    115deg,
    rgba(15, 20, 40, 0.2),
    rgba(23, 15, 42, 0.25),
    rgba(60, 7, 110, 0.2),
    rgba(10, 18, 44, 0.18)
  );
  filter: blur(45px) saturate(1.1);
  mix-blend-mode: screen;
  animation: nebula-drift 70s linear infinite;
}

.nebula::after {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 30% 40%, rgba(#7f0030), transparent 55%),
    radial-gradient(circle at 70% 60%, rgba(#7f0030), transparent 60%),
    radial-gradient(circle at 50% 20%, rgba(#7f0030), transparent 50%);
  animation: nebula-shift 55s ease-in-out infinite alternate;
}

.comet {
  --comet-angle: -35deg;
  --comet-duration: 8s;
  --comet-delay: 0s;
  --comet-start-x: -20vw;
  --comet-start-y: -10vh;
  --comet-end-x: 120vw;
  --comet-end-y: 80vh;
  --comet-scale: 0.6;
  position: absolute;
  top: 0;
  left: 0;
  width: 200px;
  height: 1px;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0), rgba(255, 255, 255, 0.9), rgba(147, 0, 63, 0.45));
  filter: drop-shadow(0 0 6px rgba(124, 231, 255, 0.35));
  mix-blend-mode: screen;
  opacity: 0;
  transform: translate3d(var(--comet-start-x), var(--comet-start-y), 0) rotate(var(--comet-angle)) scale(var(--comet-scale));
  animation: comet var(--comet-duration) linear infinite;
  animation-delay: var(--comet-delay);
}

.comet::after {
  content: "";
  position: absolute;
  right: -4px;
  top: 50%;
  width: 6px;
  height: 6px;
  transform: translateY(-50%);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.9), rgba(124, 231, 255, 0.35) 55%, transparent 70%);
  box-shadow: 0 0 6px rgba(255, 255, 255, 0.55);
}

.comet.c1 {
  --comet-angle: -18deg;
  --comet-duration: 24s;
  --comet-delay: -5s;
  --comet-start-x: -35vw;
  --comet-start-y: 5vh;
  --comet-end-x: 120vw;
  --comet-end-y: 45vh;
  --comet-scale: 0.55;
}

.comet.c2 {
  --comet-angle: -42deg;
  --comet-duration: 30s;
  --comet-delay: -12s;
  --comet-start-x: -10vw;
  --comet-start-y: -30vh;
  --comet-end-x: 105vw;
  --comet-end-y: 70vh;
  --comet-scale: 0.45;
}

.comet.c3 {
  --comet-angle: -28deg;
  --comet-duration: 34s;
  --comet-delay: -18s;
  --comet-start-x: 10vw;
  --comet-start-y: -20vh;
  --comet-end-x: 120vw;
  --comet-end-y: 35vh;
  --comet-scale: 0.5;
}

.comet.c4 {
  --comet-angle: -12deg;
  --comet-duration: 26s;
  --comet-delay: -10s;
  --comet-start-x: -40vw;
  --comet-start-y: 30vh;
  --comet-end-x: 120vw;
  --comet-end-y: 55vh;
  --comet-scale: 0.5;
}

.comet.c5 {
  --comet-angle: -50deg;
  --comet-duration: 36s;
  --comet-delay: -25s;
  --comet-start-x: -5vw;
  --comet-start-y: -40vh;
  --comet-end-x: 85vw;
  --comet-end-y: 90vh;
  --comet-scale: 0.4;
}

.comet.c6 {
  --comet-angle: -26deg;
  --comet-duration: 40s;
  --comet-delay: -30s;
  --comet-start-x: -20vw;
  --comet-start-y: 55vh;
  --comet-end-x: 110vw;
  --comet-end-y: 85vh;
  --comet-scale: 0.45;
}

.panel,
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 26px 70px rgba(3, 6, 12, 0.6);
  backdrop-filter: blur(18px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  background: var(--panel-soft);
  color: var(--text);
  text-decoration: none;
  border-radius: 14px;
  font-size: 15px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  border: 1px solid var(--line);
  cursor: pointer;
  transition: transform 0.3s ease, background 0.3s ease, box-shadow 0.3s ease, border 0.3s ease;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.45);
  position: relative;
  overflow: hidden;
}

.btn:hover {
  background: var(--panel-strong);
  transform: translateY(-2px);
  border-color: rgba(124, 231, 255, 0.4);
}

.btn::before {
  content: "";
  position: absolute;
  inset: -50% 20%;
  background: radial-gradient(circle, rgba(124, 231, 255, 0.3), transparent 70%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.btn:hover::before {
  opacity: 0.6;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06070c;
  border: none;
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--text);
}

.btn:disabled,
.btn.locked {
  opacity: 0.6;
  cursor: not-allowed;
  filter: saturate(0.7);
}

.input,
textarea.input,
select.input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(9, 11, 20, 0.7);
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.input:focus,
textarea.input:focus,
select.input:focus {
  outline: none;
  border-color: rgba(124, 231, 255, 0.6);
  box-shadow: 0 0 0 3px rgba(124, 231, 255, 0.12);
}

@keyframes drift {
  from { background-position: 0 0; }
  to { background-position: -2000px 0; }
}

@keyframes nebula-drift {
  from { transform: translate3d(0, 0, 0); filter: blur(45px) hue-rotate(0deg); }
  to { transform: translate3d(-15%, 0, 0); filter: blur(50px) hue-rotate(12deg); }
}

@keyframes nebula-shift {
  from { transform: translate3d(0, 0, 0) scale(1); opacity: 0.8; }
  to { transform: translate3d(8%, -4%, 0) scale(1.1); opacity: 1; }
}

@keyframes comet {
  0% {
    opacity: 0;
    transform: translate3d(var(--comet-start-x), var(--comet-start-y), 0) rotate(var(--comet-angle)) scale(var(--comet-scale));
  }
  5% {
    opacity: 1;
  }
  18% {
    opacity: 0.2;
  }
  24% {
    opacity: 0;
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--comet-end-x), var(--comet-end-y), 0) rotate(var(--comet-angle)) scale(var(--comet-scale));
  }
}

@media (prefers-reduced-motion: reduce) {
  .stars,
  .nebula,
  .nebula::after,
  .comet {
    animation: none;
  }
}