@charset "utf-8";

:root {
  --aspect-ratio: 1 / 1;
  --bg: #282828;
  --bg-btn: #2d2f31;
  --bg-checked: #1d2c33;
  --bg-tier0: #ccc;
  --bg-tier1: hsl(0 70% 70%);
  --bg-tier2: hsl(30 70% 70%);
  --bg-tier3: hsl(60 70% 70%);
  --bg-tier4: hsl(90 70% 70%);
  --bg-tier5: hsl(120 70% 70%);
  --bg-tier6: hsl(150 70% 70%);
  --bg-tier7: hsl(180 70% 70%);
  --bg-tier8: hsl(210 70% 70%);
  --bg-tier9: hsl(240 70% 70%);
  --bg-tier10: hsl(270 70% 70%);
  --bg-tier11: hsl(300 70% 70%);
  --bg-tier12: hsl(330 70% 70%);
  --color: #e3e3e3;
  --color-thin: #8f8f8f;
  --color-link: #a8c7fa;
  --color-border: #5e5e5e;
  --color-border-checked: #317593;
  --color-btn: #c7c7c7;
  --color-btn-disabled: #4f4f4f;
  --color-btn-border-disabled: #353535;
  --font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
}

a {
  color: var(--color-link);
  text-decoration: none;

  @media (hover: hover) {
    &:hover {
      filter: brightness(1.1);
      text-decoration: underline;
    }
  }
}

canvas {
  vertical-align: bottom;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-size: 14px;
}

img {
  vertical-align: bottom;
}

ul,
ol {
  list-style: none;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--color);
  font-family: var(--font-family);
  font-size: 14px;
}

.container {
  width: calc(100% - 8px);
  max-width: 1200px;
  margin: 0 auto;
}

.bi {
  display: grid;
  place-items: center;
}

.btn {
  all: unset;
  box-sizing: border-box;

  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  height: 32px;
  line-height: 30px;
  border: 1px solid var(--color-border);
  background: var(--bg-btn);
  color: var(--color-btn);
  font-size: 13px;
  padding: 0 6px;
  border-radius: 2px;
  vertical-align: bottom;
  user-select: none;

  &:disabled {
    color: var(--color-btn-disabled);
    background: var(--bg);
    border-color: var(--color-btn-border-disabled);
  }

  &:not(:disabled) {
    @media (hover: hover) {
      &:hover {
        filter: brightness(1.1);
      }
    }
  }
}

.file-label,
.radio-label,
.checkbox-label {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  height: 32px;
  line-height: 30px;
  border: 1px solid var(--color-border);
  background: var(--bg-btn);
  color: var(--color-btn);
  font-size: 13px;
  padding: 0 6px;
  border-radius: 2px;
  vertical-align: bottom;
  user-select: none;

  &:has(:disabled) {
    color: var(--color-btn-disabled);
    background: var(--bg);
    border-color: var(--color-btn-border-disabled);
  }

  &:not(:has(:disabled)) {
    @media (hover: hover) {
      &:hover {
        filter: brightness(1.1);
      }
    }
  }

  input {
    display: none;
  }
}

.radio-label,
.checkbox-label {
  &:has(:not(:disabled):checked) {
    color: var(--color);
    background: var(--bg-checked);
    border-color: var(--color-border-checked);
  }
}

.checkbox-label.toggle {
  width: 32px;

  input:checked~.bi:first-of-type,
  input:not(:checked)~.bi:last-of-type {
    display: none;
  }
}

.select {
  height: 32px;
}

.breadcrumb-list {
  display: flex;
  gap: 4px;
}

.breadcrumb-item {
  display: flex;
  gap: 4px;

  &+&::before {
    content: '/';
    color: var(--color-border);
  }
}

header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 10;
  background: var(--bg);
  border-bottom: 1px solid var(--color-border);
  padding: 4px 0;

  .container {
    display: flex;
    align-items: center;
  }
}

main {
  margin-top: 41px;
}

footer {
  padding: 16px 0;
  border-top: 1px solid var(--color-border);

  .nav-list {
    display: flex;
    justify-content: center;
    gap: 4px;
  }

  .nav-item {
    display: flex;
    gap: 4px;

    &+&::before {
      content: '|';
      color: var(--color-border);
    }
  }

  .copyright {
    text-align: center;
    margin-top: 8px;
  }
}