:root {
  color-scheme: dark;
  --app-bg: #f5f5f2;
  --panel-bg: #fbfbf9;
  --panel-soft: #efefeb;
  --glass-bg: rgba(251, 251, 249, 0.82);
  --border: #e3e3de;
  --text: #111110;
  --text-muted: #686865;
  --accent: #111111;
  --accent-contrast: #ffffff;
  --success: #0f766e;
  --warning: #9a6700;
  --course-accent: #0070f3;
  --shine-mid: rgba(243, 244, 248, 0.82);
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --app-bg: #0d0d0f;
  --panel-bg: #111214;
  --panel-soft: #1c1d21;
  --glass-bg: rgba(17, 18, 21, 0.82);
  --border: #27282d;
  --text: #f4f4f2;
  --text-muted: #a4a6ad;
  --accent: #f3f4f6;
  --accent-contrast: #111214;
  --success: #34d399;
  --warning: #fbbf24;
  --course-accent: #3b82f6;
  --shine-mid: rgba(47, 56, 89, 0.28);
}

* {
  box-sizing: border-box;
}

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

body {
  margin: 0;
  min-width: 320px;
  font-family: "SF Pro Display", "SF Pro Text", -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  background: var(--app-bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

button {
  font: inherit;
}

.coming-soon {
  position: relative;
  min-height: 100vh;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 16%, color-mix(in srgb, var(--course-accent) 12%, transparent), transparent 26%),
    radial-gradient(circle at 84% 24%, color-mix(in srgb, var(--success) 10%, transparent), transparent 28%),
    radial-gradient(circle at 50% 96%, color-mix(in srgb, var(--warning) 8%, transparent), transparent 34%),
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--panel-bg) 96%, var(--app-bg)) 0%,
      color-mix(in srgb, var(--app-bg) 98%, var(--panel-soft)) 100%
    );
}

.coming-soon__backdrop,
.coming-soon__grid {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.coming-soon__grid {
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--border) 20%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--border) 16%, transparent) 1px, transparent 1px);
  background-position: center;
  background-size: 72px 72px;
  mask-image: radial-gradient(circle at center, black 26%, transparent 82%);
  opacity: 0.34;
}

.coming-soon__orb {
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
  opacity: 0.68;
}

.coming-soon__orb--north {
  top: 8%;
  left: 8%;
  width: clamp(14rem, 26vw, 22rem);
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in srgb, var(--course-accent) 22%, transparent) 0%, transparent 72%);
}

.coming-soon__orb--east {
  top: 14%;
  right: 6%;
  width: clamp(16rem, 28vw, 24rem);
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in srgb, var(--success) 20%, transparent) 0%, transparent 74%);
}

.coming-soon__orb--south {
  bottom: -6%;
  left: 28%;
  width: clamp(18rem, 34vw, 28rem);
  aspect-ratio: 1;
  background: radial-gradient(circle, color-mix(in srgb, var(--warning) 16%, transparent) 0%, transparent 76%);
}

.coming-soon__shell {
  position: relative;
  z-index: 1;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  padding: clamp(20px, 3vw, 36px);
}

.coming-soon__toolbar {
  display: flex;
  justify-content: flex-end;
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 36px;
  padding: 0 12px;
  border: 1px solid color-mix(in srgb, var(--border) 92%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--glass-bg) 88%, transparent);
  color: var(--text);
  cursor: pointer;
  backdrop-filter: blur(16px);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.coming-soon__stage {
  flex: 1;
  display: grid;
  place-items: center;
  padding-block: clamp(32px, 7vh, 64px);
}

.coming-soon__copy {
  position: relative;
  width: min(100%, 860px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: clamp(12px, 3vw, 24px);
  text-align: center;
}

.coming-soon__copy::after {
  content: "";
  position: absolute;
  inset: auto 22% -24% 22%;
  height: 8rem;
  background: radial-gradient(circle at 50% 120%, color-mix(in srgb, var(--shine-mid) 10%, transparent), transparent 54%);
  filter: blur(18px);
  pointer-events: none;
}

.coming-soon__title {
  margin: 0;
  position: relative;
  z-index: 1;
  font-size: clamp(3rem, 7.2vw, 5.8rem);
  font-weight: 280;
  line-height: 0.96;
  letter-spacing: -0.07em;
  color: var(--text);
  text-wrap: balance;
}

.coming-soon__subtitle {
  margin: 0;
  position: relative;
  z-index: 1;
  max-width: 24ch;
  font-size: clamp(1rem, 2vw, 1.3rem);
  line-height: 1.3;
  letter-spacing: -0.03em;
  color: var(--text);
}

.coming-soon__description {
  margin: 0;
  position: relative;
  z-index: 1;
  max-width: 56ch;
  color: var(--text-muted);
  font-size: 15px;
  line-height: 1.7;
}

@media (max-width: 720px) {
  .coming-soon__shell {
    padding: 16px;
  }

  .coming-soon__title {
    font-size: clamp(2.35rem, 11vw, 3.8rem);
  }

  .coming-soon__description {
    font-size: 14px;
  }
}