:root {
  --page: #0b0b0b;
  --card: #171717;
  --card-border: rgba(255, 255, 255, 0.08);
  --fg: #f4f4f4;
  --muted: #8d8d8d;
  --line: rgba(255, 255, 255, 0.12);
  --btn: #1c1c1c;
  --solid: #efeae3;
  --solid-fg: #161616;
  --ease: 160ms ease;
  color-scheme: dark;
}

html[data-theme="light"] {
  --page: #ece9e4;
  --card: #f7f4ef;
  --card-border: rgba(20, 16, 12, 0.08);
  --fg: #161616;
  --muted: #6f6a64;
  --line: rgba(20, 16, 12, 0.14);
  --btn: #f7f4ef;
  --solid: #1b1b1b;
  --solid-fg: #f4efe8;
  color-scheme: light;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
  height: 100%;
  background: var(--page);
  color: var(--fg);
  font-family: "Space Grotesk", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100dvh;
}

.links {
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: max(1.25rem, env(safe-area-inset-top)) 1.25rem max(1.25rem, env(safe-area-inset-bottom));
}

.card {
  width: min(100%, 22.5rem);
  padding: 1.7rem 1.35rem 1.4rem;
  border: 1px solid var(--card-border);
  border-radius: 1.7rem;
  background: var(--card);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.card__head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.45rem;
}

.card h1 {
  margin: 0;
  font-size: 2.05rem;
  font-weight: 700;
  letter-spacing: -0.045em;
  line-height: 1;
}

.card__tag {
  margin: 0.7rem 0 0;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 400;
}

.theme-toggle {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 2.45rem;
  height: 2.45rem;
  margin-top: 0.1rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--fg);
  background: transparent;
  cursor: pointer;
}

.theme-toggle svg {
  width: 1.05rem;
  height: 1.05rem;
}

.theme-toggle .icon-moon,
html[data-theme="light"] .theme-toggle .icon-sun {
  display: none;
}

html[data-theme="light"] .theme-toggle .icon-moon {
  display: block;
}

.card__links {
  display: grid;
  gap: 0.7rem;
}

.link-btn {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-height: 3.05rem;
  padding: 0.7rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--fg);
  background: var(--btn);
  font-size: 0.98rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  transition: background var(--ease), transform 80ms ease;
}

.link-btn svg {
  width: 1.15rem;
  height: 1.15rem;
  flex: 0 0 auto;
}

.link-btn--solid {
  border-color: transparent;
  color: var(--solid-fg);
  background: var(--solid);
}

.link-btn:hover {
  transform: translateY(-1px);
}

.link-btn:active {
  transform: translateY(1px);
}

:focus-visible {
  outline: 2px solid var(--fg);
  outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {
  .link-btn {
    transition: none;
  }
}