@import url('colours.css');

* {
  margin: 0;
  padding: 0;

  font-family: "Arvo", serif;
  font-weight: 400;
  font-style: normal;
}

body {
  background-color: var(--colour-4);
  color: var(--colour-3);

  display: flex;
  flex-direction: column;
  height: 100vh;
  width: 100vw;
}

header {
  background-color: var(--colour-4);
  padding: 0.5em;

  box-shadow: 0 0 5px black;

  display: flex;
  gap: 1em;
  align-items: center;

  a {
    text-decoration: none;
    color: var(--colour-3);
  }
  
  .user-card {
    margin-left: auto;
    margin-right: 1em;
    display: flex;
    gap: 0.5em;
    align-items: center;
    transition: 0.18s ease;
  }
  
  .user-card:hover {
    scale: 1.05;
  }
}

main {
  background-color: var(--colour-2);
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5em;
  min-height: 0;
  height: 100%;
}

button {
  background-color: var(--colour-1);
  border: none;
  border-radius: 0.75em;
  color: var(--colour-3);
  padding: 0.3em;

  display: flex;
  align-items: center;
  justify-content: center;

  .material-symbols-rounded {
    font-size: 1.5em;
  }
}

button:hover {
  cursor: pointer;
  background-color: color-mix(in srgb, var(--colour-1) 80%, white 20%);
}

select {
  background-color: var(--colour-1);
  border: none;
  border-radius: 0.75em;
  color: var(--colour-3);
  padding: 0.3em;
}

.button-link {
  padding: 0 1em 0 1em;
  min-height: 2em;

  background-color: var(--colour-1);
  border: none;
  border-radius: 0.5em;
  color: var(--colour-3);
  padding: 0.1em 0.5em;

  display: flex;
  gap: 1em;
  align-items: center;
  justify-content: center;

  text-decoration: none;

  .material-symbols-rounded {
    font-size: 1.5em;
  }
}

.button-link:hover {
  cursor: pointer;
  background-color: color-mix(in srgb, var(--colour-1) 80%, white 20%);
}

/* logo animation */

.logo-link {
  --logo-hover: #fff3d6;
  --fire-1: #ffe08a;
  --fire-2: #ffb347;
  --fire-3: #ff7a18;
  --fire-4: #d94700;

  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  isolation: isolate;
  line-height: 1;
}

.site-logo {
  width: 2.6rem;
  height: 2.6rem;
  flex: 0 0 auto;
  display: block;
  position: relative;
  z-index: 2;
  transition:
    transform 180ms ease,
    filter 220ms ease;
  filter: drop-shadow(0 0 0 rgba(0,0,0,0));
}

.site-title {
  position: relative;
  z-index: 2;
  transition:
    color 180ms ease,
    transform 180ms ease,
    text-shadow 220ms ease;
}

.logo-link::before,
.logo-link::after {
  content: "";
  position: absolute;
  pointer-events: none;
  opacity: 0;
  z-index: 1;
}

.logo-link::before {
  inset: -0.4rem -0.6rem;
  background:
    radial-gradient(circle at 20% 60%, var(--fire-1) 0 10%, transparent 11%),
    radial-gradient(circle at 35% 50%, var(--fire-2) 0 16%, transparent 17%),
    radial-gradient(circle at 52% 45%, var(--fire-3) 0 20%, transparent 21%),
    radial-gradient(circle at 70% 40%, var(--fire-4) 0 24%, transparent 25%);
  filter: blur(10px);
  transform: scale(0.8) translateY(10%);
}

.logo-link::after {
  inset: -0.8rem -0.9rem -0.5rem -0.9rem;
  background:
    linear-gradient(90deg,
      transparent 0%,
      rgba(255, 213, 120, 0.0) 8%,
      rgba(255, 213, 120, 0.85) 22%,
      rgba(255, 130, 20, 0.95) 45%,
      rgba(217, 71, 0, 0.55) 60%,
      transparent 76%);
  filter: blur(12px);
  transform: translateX(-18%) skewX(-18deg);
}

.logo-link:hover,
.logo-link:focus-visible {
  color: var(--logo-hover);
}

.logo-link:hover .site-logo,
.logo-link:focus-visible .site-logo {
  transform: translateY(-1px) scale(1.05);
  filter:
    drop-shadow(0 0 6px rgba(255, 184, 82, 0.75))
    drop-shadow(0 0 18px rgba(255, 98, 0, 0.35));
}

.logo-link:hover .site-title,
.logo-link:focus-visible .site-title {
  transform: translateY(-1px);
  text-shadow:
    0 0 0.35rem rgba(255, 214, 130, 0.5),
    0 0 0.9rem rgba(255, 110, 20, 0.24);
}

.logo-link:hover::before,
.logo-link:focus-visible::before {
  animation: ember-bloom 420ms cubic-bezier(.2,.9,.3,1.2) both;
}

.logo-link:hover::after,
.logo-link:focus-visible::after {
  animation: ember-sweep 520ms ease-out both;
}

@keyframes ember-bloom {
  0% {
    opacity: 0;
    transform: scale(0.65) translateY(18%);
  }
  38% {
    opacity: 0.95;
    transform: scale(1.08) translateY(-2%);
  }
  100% {
    opacity: 0;
    transform: scale(1.35) translateY(-18%);
  }
}

@keyframes ember-sweep {
  0% {
    opacity: 0;
    transform: translateX(-28%) skewX(-18deg);
  }
  35% {
    opacity: 0.9;
    transform: translateX(0%) skewX(-18deg);
  }
  100% {
    opacity: 0;
    transform: translateX(18%) skewX(-18deg);
  }
}

.logo-link:focus-visible {
  outline: 2px solid rgba(255, 170, 70, 0.9);
  outline-offset: 0.25rem;
  border-radius: 0.45rem;
}

@media (prefers-reduced-motion: reduce) {
  .logo-link::before,
  .logo-link::after,
  .site-logo,
  .site-title {
    animation: none !important;
    transition: none;
  }

  .logo-link:hover .site-logo,
  .logo-link:focus-visible .site-logo,
  .logo-link:hover .site-title,
  .logo-link:focus-visible .site-title {
    transform: none;
    text-shadow: none;
  }
}

/* mobile adaptivity */

@media (max-width: 767px) {
  header h2 {
    display: none;
  }
}