:root {
  --line: #000;
  --page: #fff;
  --ink: #000;
  --category: #e6e6e6;
  --hover: #efeeec;
  --toggle-track: #e4e4e4;
  --toggle-thumb: #ffffff;
  --toggle-border: #b5b5b5;
  --track-line: #222;
  --track-dot: #fff;
  --track-accent: #111;
  --cup-fill: #7cc7ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  color: var(--ink);
  background: var(--page);
}

body.dark {
  --line: #c9c9c9;
  --page: #2a2a2a;
  --ink: #f3f3f3;
  --category: #3a3a3a;
  --hover: #4a4a4a;
  --toggle-track: #3f3f3f;
  --toggle-thumb: #1d1d1d;
  --toggle-border: #7a7a7a;
  --track-line: #e0e0e0;
  --track-dot: #2a2a2a;
  --track-accent: #f3f3f3;
  --cup-fill: #4aa8ff;
}

.page {
  padding: 1.5rem;
  display: grid;
  gap: 1.5rem;
  align-items: start;
}

.hero {
  position: relative;
  padding-right: 9rem;
}

.hero h1 {
  margin: 0 0 0.25rem;
  font-size: 1.75rem;
  color: var(--ink);
}

.hero p {
  margin: 0;
  color: var(--ink);
}

.daily-track {
  position: relative;
  margin-top: 0.75rem;
  padding: 0.25rem 0 0.5rem;
}

.track-title {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08rem;
  color: var(--ink);
  margin-bottom: 0.35rem;
}

.track-svg {
  width: 100%;
  height: 180px;
}

#track-path {
  fill: none;
  stroke: var(--track-line);
  stroke-width: 4;
  stroke-linecap: round;
  stroke-dasharray: 10 10;
}

.track-meals {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 180px;
  pointer-events: none;
  z-index: 2;
}

.track-water {
  position: absolute;
  left: 0;
  right: 0;
  top: 0;
  height: 180px;
  pointer-events: none;
  z-index: 1;
}

.meal-marker {
  position: absolute;
  width: 110px;
  height: 110px;
  transform: translate(-50%, -50%);
}

.meal-marker img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 999px;
  border: 5px solid var(--track-line);
  background: var(--page);
}

.water-marker {
  position: absolute;
  transform: none;
}

.water-marker img {
  display: block;
  width: 24px;
  height: auto;
}

.wall {
  background: var(--page);
  padding: 1rem;
  width: 100%;
}

.wall-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(var(--brick-width, 36ch), 1fr));
  gap: 1px;
  padding: 1px;
  justify-content: start;
  width: 100%;
  margin-top: 0;
  margin-bottom: 0;
  background: var(--line);
  visibility: visible;
}

.wall-grid.is-ready {
  visibility: visible;
}

.brick {
  border: 0;
  padding: 0.3rem 0.4rem;
  background: var(--page);
  color: var(--ink);
  text-align: left;
  font-size: 0.78rem;
  line-height: 1.2;
  cursor: pointer;
  width: 100%;
  margin: 0;
  transition: background 0.15s ease;
}

.brick.empty {
  background: var(--page);
  color: transparent;
  pointer-events: none;
}

.category-brick {
  border: 0;
  background: var(--category);
  color: var(--ink);
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  font-weight: 600;
  padding: 0.35rem 0.5rem;
  grid-column: 1 / -1;
  margin: 0;
}

.brick:hover,
.brick:focus-visible {
  background: var(--hover);
  color: var(--ink);
  outline: none;
}

.info {
  background: var(--page);
  padding: 0.75rem 1rem;
  border: 2px solid var(--line);
}

.info-label {
  margin: 0 0 0.25rem;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.1rem;
  color: var(--ink);
}

#info-name {
  margin: 0 0 0.25rem;
}

.info-category {
  margin: 0;
  color: var(--ink);
}

.theme-toggle {
  position: absolute;
  top: 38px;
  right: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  user-select: none;
}

.theme-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.toggle-track {
  position: relative;
  width: 56px;
  height: 28px;
  border-radius: 999px;
  background: var(--toggle-track);
  border: 1px solid var(--toggle-border);
  display: inline-block;
}

.toggle-thumb {
  position: absolute;
  top: 2px;
  left: 2px;
  width: 22px;
  height: 22px;
  border-radius: 999px;
  background: var(--toggle-thumb);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
  transition: transform 0.2s ease;
}

.toggle-icon {
  position: absolute;
  top: 4px;
  width: 18px;
  height: 18px;
  line-height: 1;
  opacity: 0.75;
  user-select: none;
}

.toggle-sun {
  left: 6px;
}

.toggle-moon {
  right: 6px;
}

.toggle-icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: var(--ink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.toggle-icon svg circle {
  fill: var(--ink);
  stroke: none;
}

.toggle-moon svg {
  stroke: none;
  fill: var(--ink);
}

#theme-toggle:checked + .toggle-track .toggle-thumb {
  transform: translateX(28px);
}

.profile-link {
  position: absolute;
  top: -10px;
  right: 0;
  width: 44px;
  height: 44px;
  border-radius: 0;
  overflow: hidden;
  border: none;
  background: transparent;
}

.profile-link img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  outline: 3px solid var(--track-line);
  outline-offset: -3px;
  filter: grayscale(1);
}

.settings-card {
  border: 1px solid var(--line);
  padding: 1rem;
  background: var(--page);
  max-width: 420px;
}

.settings-field {
  display: grid;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
  font-size: 0.9rem;
  color: var(--ink);
}

.settings-field input {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--line);
  background: var(--page);
  color: var(--ink);
}

.settings-save {
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--line);
  background: var(--category);
  color: var(--ink);
  cursor: pointer;
}

.settings-hint {
  margin-top: 0.5rem;
  font-size: 0.8rem;
  color: var(--ink);
  opacity: 0.7;
}

@media (max-width: 700px) {
  .wall-grid {
    grid-template-columns: 1fr;
    gap: 0;
  }
  .brick {
    width: 100%;
  }
  .hero {
    padding-right: 0;
  }
  .theme-toggle {
    position: static;
    margin-top: 0.5rem;
  }
  .profile-link {
    position: static;
    margin-top: 0.5rem;
  }
}