:root {
  --bg-color: #0f0f0f;
  --text-color: #e5e5e5;
  --header-bg-color: #1a1a1a;
  --header-text-color: #e5e5e5;
  --header-title-size: 10vh;
  --header-subtitle-size: 2vh;
  --menu-bg-color: #1a1a1a;
  --menu-text-color: #e5e5e5;
  --grid-box-size: 3vh;
  --grid-box-count: 14;
  --grid-bg-color: #1a1a1a;
  --grid-text-color: #e5e5e5;
  --tools-bg-color: #1a1a1a;
  --tools-text-color: #e5e5e5;
}
body {
  display: flex;
  flex-direction: column;
  align-items: center;
  min-height: 100vh;
  width: 100vw;
  background-color: var(--bg-color);
  color: var(--text-color);
}
#root {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}
header {
  margin-top: 10vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  height: 10vh;
  width: 100vw;
  background-color: var(--header-bg-color);
  color: var(--header-text-color);
}
.jersey-10-regular {
  font-family: "Jersey 10", sans-serif;
  font-weight: 400;
  font-style: normal;
  font-size: var(--header-title-size);
}

.header-cont {
  font-family: "Jersey 10", sans-serif;
  text-align: center;
}
.header-cont h1 {
  font-size: var(--header-title-size);
}
.header-cont p {
  font-size: var(--header-subtitle-size);
}
.menu-cont {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  height: 10vh;
  width: 100vw;
  background-color: var(--menu-bg-color);
  color: var(--menu-text-color);
}
.menu-btn {
  padding: 0.4rem 1.2rem;
  background-color: transparent;
  color: var(--menu-text-color);
  border: 1px solid var(--menu-text-color);
  border-radius: 6px;
  font-size: 1rem;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    color 0.2s ease;
}
.menu-btn:hover {
  background-color: var(--menu-text-color);
  color: var(--menu-bg-color);
}

/* ── Grid ───────────────────────────────────────── */
.grid-cont {
  display: grid;
  grid-template-columns: repeat(var(--grid-box-count), var(--grid-box-size));
  grid-template-rows: repeat(var(--grid-box-count), var(--grid-box-size));
  gap: 2px;
  padding: 1.5rem;
  background-color: var(--bg-color);
}
.grid-cell {
  width: var(--grid-box-size);
  height: var(--grid-box-size);
  background-color: #2a2a2a;
  border: 1px solid #3a3a3a;
  border-radius: 5%;
  cursor: crosshair;
  transition: filter 0.08s ease;
}
.grid-cell:hover {
  filter: brightness(1.4);
  border-color: #888;
}
.no-border .grid-cell {
  border: none !important;
  border-radius: 0 !important;
}
.no-gap {
  gap: 0 !important;
}

/* ── Tools ──────────────────────────────────────── */
.tools-cont {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.75rem;
  height: 8vh;
  width: 100vw;
  background-color: var(--tools-bg-color);
  color: var(--tools-text-color);
}
.tool-btn {
  padding: 0.4rem 1.1rem;
  background-color: transparent;
  color: var(--tools-text-color);
  border: 1px solid var(--tools-text-color);
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  transition:
    background-color 0.2s ease,
    color 0.2s ease,
    opacity 0.2s ease;
}
.tool-btn:hover:not(:disabled) {
  background-color: var(--tools-text-color);
  color: var(--tools-bg-color);
}
.tool-btn--active {
  background-color: var(--tools-text-color);
  color: var(--tools-bg-color);
}
.tool-btn--disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

/* Color picker */
.color-picker-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 1.1rem;
  border: 1px solid var(--tools-text-color);
  border-radius: 6px;
  font-size: 0.95rem;
  cursor: pointer;
  color: var(--tools-text-color);
  transition: background-color 0.2s ease;
}
.color-picker-label:hover {
  background-color: #2e2e2e;
}
.color-preview {
  display: inline-block;
  width: 1rem;
  height: 1rem;
  border-radius: 3px;
  border: 1px solid #555;
}
.color-input {
  display: none;
}