:root {
  --font-family:
    "Inter", "Adwaita Sans", system-ui, -apple-system, BlinkMacSystemFont,
    Roboto, "Segoe UI", "Helvetica Neue", Arial, "Noto Sans", sans-serif,
    "Apple Color Emoji", "Noto Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
  --body-color: #efefef;
  --body-background: #222;
  --input-border: 1px solid #555;
  --input-background: #333;
  --input-color: #ccc;
  --input-focus-border-color: rgba(82, 168, 236, 0.8);
  --input-focus-box-shadow: 0 0 8px rgba(82, 168, 236, 0.6);
  --button-primary-border-color: #444;
  --button-primary-background: #333;
  --button-primary-color: #efefef;
  --button-primary-focus-border-color: #888;
  --button-primary-focus-background: #555;
  --panel-background: #333;
  --panel-border-color: #555;
  --item-border-color: #444;
  --item-padding: 6px;
}

html {
  color-scheme: dark;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: var(--font-family);
  color: var(--body-color);
  background: var(--body-background);
  margin: auto;
  max-width: 800px;
  padding: 20px;
}

.search-container {
  position: sticky;
  top: 0;
  background: var(--body-background);
  padding-bottom: 10px;
  z-index: 10;
}

input[type="search"],
input[type="text"],
input[type="number"],
input[type="date"] {
  color: var(--input-color);
  background: var(--input-background);
  border: var(--input-border);
  padding: 8px;
  font-size: 1rem;
  width: 100%;
  appearance: none;
  outline: none;
}

input:focus {
  border-color: var(--input-focus-border-color);
  box-shadow: var(--input-focus-box-shadow);
}

button {
  font-family: var(--font-family);
}

/* Person List */
.person-item {
  border-bottom: 1px solid var(--item-border-color);
  padding: 6px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
}

.person-item:hover {
  background: rgba(255, 255, 255, 0.03);
  margin: 0 -6px;
  padding: 6px;
}

.person-item-info {
  flex: 1;
  padding-right: 12px;
}

.person-item-name {
  font-size: 1rem;
  color: var(--body-color);
}

.person-item-meta {
  font-size: 0.78rem;
  color: #666;
  margin-top: 1px;
}

.person-item-arrow {
  color: #555;
  font-size: 1.1rem;
}

.empty-person-list {
  text-align: center;
  padding: 30px;
  color: #888;
}

/* Person Header */
.person-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.person-title {
  flex: 1;
  font-size: 1.2rem;
  color: var(--body-color);
}

.back-btn,
.del-btn {
  padding: 3px 8px !important;
}

/* Entry Form */
.entry-form {
  display: flex;
  gap: 6px;
  margin-bottom: 8px;
  align-items: stretch;
}

.entry-date {
  max-width: 160px;
  flex-shrink: 0;
}

.entry-weight {
  max-width: 80px;
  flex-shrink: 0;
}

.entry-note {
  flex: 1;
}

.entry-form .addbutton {
  padding: 8px 14px;
  font-size: 1rem;
  flex-shrink: 0;
}

/* Entry Search */
.entry-search {
  margin-bottom: 8px;
}

/* Sparkline */
.sparkline-container {
  margin-bottom: 8px;
  padding: 4px 0;
}

.sparkline-container svg {
  display: block;
  width: 100%;
  height: auto;
}

/* Empty State */
#emptyState {
  text-align: center;
  padding: 24px;
  color: #888;
}

/* Entry List */
.entry-item {
  border-bottom: 1px solid var(--item-border-color);
  padding: 6px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.entry-info {
  flex: 1;
  padding-right: 12px;
}

.entry-date-label {
  font-size: 0.82rem;
  color: #888;
  margin-bottom: 1px;
}

.entry-weight-label {
  font-size: 1.1rem;
  font-weight: 500;
}

.entry-note-label {
  font-size: 0.78rem;
  color: #888;
  margin-top: 1px;
}

.entry-actions {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}

.action-edit,
.action-del {
  color: #777;
  cursor: pointer;
  background: none;
  border: none;
  text-decoration: underline;
  font-size: 0.82rem;
}

.action-edit:hover,
.action-del:hover {
  color: var(--body-color);
}

.hidden {
  display: none !important;
}

/* Controls */
.controls {
  display: flex;
  justify-content: space-between;
  font-size: 0.85rem;
  color: #666;
  margin-top: 12px;
  margin-bottom: 12px;
  align-items: center;
}

.button {
  display: inline-block;
  appearance: none;
  font-size: 1em;
  cursor: pointer;
  padding: 3px 8px;
  border: 1px solid;
}

.button-primary {
  border-color: var(--button-primary-border-color);
  background: var(--button-primary-background);
  color: var(--button-primary-color);
}

.button-primary:hover,
.button-primary:focus {
  border-color: var(--button-primary-focus-border-color);
  background: var(--button-primary-focus-background);
  color: var(--button-primary-color);
}

.button-row {
  display: flex;
  gap: 6px;
}

/* Modal styles */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 1000;
}

.modal {
  background: var(--panel-background);
  border: 1px solid var(--panel-border-color);
  padding: 24px;
  min-width: 400px;
  max-width: 500px;
}

.modal h3 {
  margin-bottom: 20px;
  color: #aaa;
  font-weight: 400;
}

.modal-section {
  margin-bottom: 20px;
}

.modal-section:last-child {
  margin-bottom: 0;
}

.modal-section-title {
  font-size: 0.85rem;
  color: #666;
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-buttons {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.modal-footer {
  margin-top: 20px;
  display: flex;
  gap: 10px;
  justify-content: flex-end;
}

.modal input[type="text"],
.modal input[type="number"],
.modal input[type="date"] {
  margin-bottom: 0;
}

.import-area {
  width: 100%;
  min-height: 150px;
  background: #333;
  border: 1px solid #555;
  color: #ccc;
  padding: 10px;
  font-family: monospace;
  font-size: 0.85rem;
  resize: vertical;
  margin-bottom: 10px;
}

.import-area:focus {
  outline: none;
  border-color: var(--input-focus-border-color);
  box-shadow: var(--input-focus-box-shadow);
}

hr {
  margin: 1rem 0;
  color: #444;
  height: 2px;
}

.app-footer {
  margin-top: 40px;
  font-size: 0.8rem;
  color: #555;
  text-align: center;
}

.app-footer a {
  color: #777;
  text-decoration: none;
}

.app-footer a:hover {
  text-decoration: underline;
}

@media (max-width: 720px) {
  body {
    padding: 10px;
  }

  input[type="search"],
  input[type="text"],
  input[type="number"],
  input[type="date"] {
    padding: 10px;
    font-size: 1rem;
  }

  .button {
    padding: 10px 14px;
    font-size: 1rem;
  }

  .back-btn,
  .del-btn {
    padding: 8px 12px !important;
  }

  .modal {
    min-width: unset;
    width: 100%;
    max-width: 100%;
    margin: 0;
    padding: 16px;
    border: none;
    min-height: 100vh;
    border-radius: 0;
  }

  .controls {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
    text-align: center;
  }

  .person-header {
    flex-wrap: wrap;
  }

  .entry-form {
    flex-wrap: wrap;
    gap: 8px;
  }

  .entry-date,
  .entry-weight {
    max-width: unset;
    flex: 1;
  }

  .entry-note {
    flex-basis: 100%;
  }

  .entry-form .addbutton {
    flex-basis: 100%;
    padding: 12px 14px;
  }

  .entry-item {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    padding: 10px 0;
  }

  .entry-actions {
    align-self: flex-end;
    gap: 14px;
  }

  .action-edit,
  .action-del {
    padding: 8px 4px;
    font-size: 0.9rem;
  }

  .person-item {
    padding: 10px 0;
  }

  .modal-footer {
    flex-wrap: wrap;
  }

  .modal-footer .button {
    flex: 1;
    text-align: center;
  }
}

@media (prefers-color-scheme: light) {
  :root {
    --body-color: #333;
    --body-background: #fff;
    --input-border: 1px solid #ccc;
    --input-background: #fff;
    --input-color: #333;
    --input-focus-border-color: rgba(82, 168, 236, 0.8);
    --input-focus-box-shadow: 0 0 8px rgba(82, 168, 236, 0.6);
    --button-primary-border-color: #ccc;
    --button-primary-background: #fff;
    --button-primary-color: #333;
    --button-primary-focus-border-color: #aaa;
    --button-primary-focus-background: #f5f5f5;
    --panel-background: #fcfcfc;
    --panel-border-color: #ddd;
    --item-border-color: #ddd;
    --item-padding: 6px;
  }

  html {
    color-scheme: light;
  }

  .person-item:hover {
    background: rgba(0, 0, 0, 0.03);
  }

  .import-area {
    background: #fcfcfc;
    border-color: #ccc;
    color: #333;
  }
}