* {
  box-sizing: border-box;
}

:root {
  --bg-primary: #0c0c0d;
  --bg-secondary: #050506;
  --bg-tertiary: #1a1a1d;
  --bg-panel: rgba(0, 0, 0, 0.52);
  --bg-card: rgba(0, 0, 0, 0.9);
  --bg-overlay: rgba(0, 0, 0, 0.6);
  --bg-modal: #050507;
  --bg-input: rgba(5, 5, 7, 0.96);
  --text-primary: #f5f5f5;
  --text-secondary: rgba(245, 245, 245, 0.7);
  --text-tertiary: rgba(245, 245, 245, 0.6);
  --accent: #a68f50;
  --accent-light: #f5e4b0;
  --accent-dark: #f3e5b1;
  --accent-glow: rgba(166, 143, 80, 0.9);
  --accent-glow-strong: rgba(166, 143, 80, 1);
  --border-primary: rgba(166, 143, 80, 0.15);
  --border-secondary: rgba(166, 143, 80, 0.2);
  --border-accent: rgba(166, 143, 80, 0.9);
  --shadow-primary: rgba(0, 0, 0, 0.8);
  --shadow-accent: rgba(166, 143, 80, 0.4);
  --day-width: 260px;
  --work-focus-color: hsl(0 90% 66%);
}

html[data-theme="white"],
html[data-theme=""] {
  --bg-primary: #0c0c0d;
  --bg-secondary: #050506;
  --bg-tertiary: #1a1a1d;
  --bg-panel: rgba(0, 0, 0, 0.52);
  --bg-card: rgba(0, 0, 0, 0.9);
  --bg-overlay: rgba(0, 0, 0, 0.6);
  --bg-modal: #050507;
  --bg-input: rgba(5, 5, 7, 0.96);
  --text-primary: #f5f5f5;
  --text-secondary: rgba(245, 245, 245, 0.7);
  --text-tertiary: rgba(245, 245, 245, 0.6);
  --accent: #a68f50;
  --accent-light: #f5e4b0;
  --accent-dark: #f3e5b1;
  --accent-glow: rgba(166, 143, 80, 0.9);
  --accent-glow-strong: rgba(166, 143, 80, 1);
  --border-primary: rgba(166, 143, 80, 0.15);
  --border-secondary: rgba(166, 143, 80, 0.2);
  --border-accent: rgba(166, 143, 80, 0.9);
  --shadow-primary: rgba(0, 0, 0, 0.8);
  --shadow-accent: rgba(166, 143, 80, 0.4);
  --work-focus-color: hsl(0 90% 66%);
}

html[data-theme="white"] {
  --bg-primary: #ffffff;
  --bg-secondary: #f8f8f8;
  --bg-tertiary: #f0f0f0;
  --bg-panel: rgba(255, 255, 255, 0.8);
  --bg-card: rgba(255, 255, 255, 0.95);
  --bg-overlay: rgba(0, 0, 0, 0.6);
  --bg-modal: #ffffff;
  --bg-input: #ffffff;
  --text-primary: #1a1a1a;
  --text-secondary: rgba(26, 26, 26, 0.7);
  --text-tertiary: rgba(26, 26, 26, 0.5);
  --accent: #a68f50;
  --accent-light: #f5e4b0;
  --accent-dark: #f3e5b1;
  --accent-glow: rgba(166, 143, 80, 0.6);
  --accent-glow-strong: rgba(166, 143, 80, 0.9);
  --border-primary: rgba(166, 143, 80, 0.15);
  --border-secondary: rgba(166, 143, 80, 0.2);
  --border-accent: rgba(166, 143, 80, 0.6);
  --shadow-primary: rgba(0, 0, 0, 0.5);
  --shadow-accent: rgba(166, 143, 80, 0.4);
  --work-focus-color: hsl(0 90% 66%);
}

html[data-theme="gray"] {
  --bg-primary: #2a2a2a;
  --bg-secondary: #1f1f1f;
  --bg-tertiary: #333333;
  --bg-panel: rgba(42, 42, 42, 0.8);
  --bg-card: rgba(31, 31, 31, 0.95);
  --bg-overlay: rgba(0, 0, 0, 0.6);
  --bg-modal: #2a2a2a;
  --bg-input: rgba(42, 42, 42, 0.96);
  --text-primary: #e0e0e0;
  --text-secondary: rgba(224, 224, 224, 0.7);
  --text-tertiary: rgba(224, 224, 224, 0.5);
  --accent: #888888;
  --accent-light: #b0b0b0;
  --accent-dark: #666666;
  --accent-glow: rgba(136, 136, 136, 0.6);
  --accent-glow-strong: rgba(136, 136, 136, 0.9);
  --border-primary: rgba(255, 255, 255, 0.1);
  --border-secondary: rgba(255, 255, 255, 0.15);
  --border-accent: rgba(136, 136, 136, 0.6);
  --shadow-primary: rgba(0, 0, 0, 0.5);
  --shadow-accent: rgba(136, 136, 136, 0.4);
  --work-focus-color: hsl(0 90% 66%);
}

html,
body {
  margin: 0;
  padding: 0;
  height: 100%;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: "HalvarBreit", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

#board-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 100vh;
  width: 100%;
  box-sizing: border-box;
}

.board-view {
  flex: 0 0 65%;
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: var(--day-width);
  gap: 8px;
  min-height: 0;
  overflow-x: auto;
  overflow-y: hidden;
  direction: ltr;
}

.board-view::-webkit-scrollbar {
  height: 8px;
}

.board-view::-webkit-scrollbar-track {
  background: var(--bg-tertiary);
}

.board-view::-webkit-scrollbar-thumb {
  background: var(--accent);
  border-radius: 4px;
}

.board-view::-webkit-scrollbar-thumb:hover {
  background: var(--accent-glow);
}

#board-graph-container {
  flex: 1;
  min-height: 200px;
  border-top: 2px solid color-mix(in srgb, canvasText, transparent 85%);
  background: transparent;
  padding: 12px 16px;
  box-sizing: border-box;
  overflow: hidden;
  position: relative;
}

#board-graph-svg {
  width: 100%;
  height: 100%;
  display: block;
  min-height: 180px;
}

.day-column {
  display: flex;
  flex-direction: column;
  padding: 12px 10px;
  border-radius: 12px;
  background: color-mix(in srgb, canvas, transparent 20%);
  border: 2px solid color-mix(in srgb, canvasText, transparent 85%);
  min-height: 0;
  transition: opacity 0.25s ease-out, transform 0.25s ease-out, max-width 0.25s ease-out, padding 0.25s ease-out, margin 0.25s ease-out, border-width 0.25s ease-out, background 0.3s ease;
}

.day-column.day-column-adding {
  opacity: 0;
  transform: translateX(-20px);
}

.day-column.day-column-removing {
  opacity: 0;
  transform: translateX(20px);
  max-width: 0;
  padding-left: 0;
  padding-right: 0;
  margin-right: 0;
  border-width: 0;
  overflow: hidden;
}

.day-column {
  container-type: inline-size;
}

@container (max-width: 180px) {
  .day-column {
    padding: 10px 8px;
    border-radius: 10px;
  }
  
  .day-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    margin-bottom: 6px;
  }
  
  .day-name {
    font-size: 9px;
    letter-spacing: 0.1em;
  }
  
  .day-date {
    font-size: 11px;
  }
  
  .task-card {
    padding: 8px 10px;
    border-radius: 8px;
    margin-bottom: 4px;
  }
  
  .task-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    margin-bottom: 3px;
  }
  
  .task-title {
    font-size: 11px;
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  
  .task-title-done {
    text-decoration: line-through;
    opacity: 0.6;
  }
  
  .task-time {
    font-size: 9px;
  }
  
  .task-meta-row {
    flex-wrap: wrap;
    gap: 3px;
  }
  
  .badge {
    font-size: 9px;
    padding: 2px 4px;
  }
  
  .task-tags {
    margin-top: 3px;
    gap: 3px;
  }
  
  .task-tag {
    font-size: 8px;
    padding: 1px 4px;
  }
  
  .day-add {
    font-size: 9px;
  }
}

@media (max-width: 768px) {
  body {
    font-size: 13px;
  }
  
  #board-container {
    height: 100%;
    min-height: calc(100vh - 80px);
  }
  
  .board-view {
    gap: 8px;
  }
  
  .day-column {
    min-width: 160px;
    padding: 10px 8px;
    border-radius: 10px;
  }
  
  .day-header {
    margin-bottom: 8px;
  }
  
  .day-name {
    font-size: 11px;
  }
  
  .day-date {
    font-size: 10px;
  }
  
  .task-card {
    padding: 10px 10px;
    margin-bottom: 6px;
    border-radius: 8px;
  }
  
  .task-title {
    font-size: 12px;
  }
  
  .task-time {
    font-size: 10px;
  }
  
  .badge {
    font-size: 10px;
    padding: 3px 7px;
  }
  
  .task-tag {
    font-size: 9px;
    padding: 2px 6px;
  }
  
  #board-graph-container {
    min-height: 180px;
    padding: 10px;
  }
}

@media (max-width: 480px) {
  .day-column {
    min-width: 140px;
    padding: 8px 6px;
    border-radius: 10px;
  }
  
  .day-name {
    font-size: 10px;
  }
  
  .day-date {
    font-size: 9px;
  }
  
  .task-card {
    padding: 8px 8px;
    border-radius: 8px;
  }
  
  .task-title {
    font-size: 11px;
  }
  
  .task-time {
    font-size: 9px;
  }
  
  .badge {
    font-size: 9px;
    padding: 2px 6px;
  }
  
  #board-graph-container {
    min-height: 150px;
  }
}

.task-card-editing {
  border: 2px solid var(--accent) !important;
  background: var(--bg-card);
  cursor: default;
}

.task-form-title,
.task-form-group,
.task-form-time {
  font-family: inherit;
  font-size: 12px;
}

.task-form-title:focus,
.task-form-group:focus,
.task-form-time:focus {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
}

@container (max-width: 140px) {
  .day-column {
    padding: 6px 4px;
  }
  
  .day-name {
    font-size: 8px;
  }
  
  .day-date {
    font-size: 10px;
  }
  
  .task-card {
    padding: 5px 4px 4px;
  }
  
  .task-title {
    font-size: 10px;
    -webkit-line-clamp: 2;
    line-clamp: 2;
  }
  
  .task-title-done {
    text-decoration: line-through;
    opacity: 0.6;
  }
  
  .task-meta-row {
    display: none;
  }
  
  .task-tags {
    display: none;
  }
}

.day-column-narrow {
  padding: 10px 8px !important;
  border-radius: 10px !important;
}

.day-column-narrow .day-header {
  flex-direction: column !important;
  align-items: flex-start !important;
  gap: 2px !important;
  margin-bottom: 4px !important;
}

.day-column-narrow .day-name {
  font-size: 9px !important;
  letter-spacing: 0.1em !important;
}

.day-column-narrow .day-date {
  font-size: 11px !important;
}

.day-column-narrow .task-card {
  padding: 8px 10px !important;
  border-radius: 8px !important;
  margin-bottom: 4px !important;
}

.day-column-narrow .task-header {
  flex-direction: column !important;
  align-items: flex-start !important;
  gap: 2px !important;
  margin-bottom: 3px !important;
}

.day-column-narrow .task-done-toggle {
  width: 16px !important;
  height: 16px !important;
  min-width: 16px !important;
  min-height: 16px !important;
}

.day-column-narrow .task-done-toggle:checked::after {
  width: 3px !important;
  height: 6px !important;
  border-width: 0 1.5px 1.5px 0 !important;
}

.day-column-narrow .task-title {
  font-size: 11px !important;
  line-height: 1.3 !important;
  overflow: hidden !important;
  text-overflow: ellipsis !important;
  display: -webkit-box !important;
  -webkit-line-clamp: 2 !important;
  line-clamp: 2 !important;
  -webkit-box-orient: vertical !important;
}

.day-column-narrow .task-time {
  font-size: 9px !important;
}

.day-column-narrow .task-meta-row {
  flex-wrap: wrap !important;
  gap: 3px !important;
}

.day-column-narrow .badge {
  font-size: 9px !important;
  padding: 2px 4px !important;
}

.day-column-narrow .task-tags {
  margin-top: 3px !important;
  gap: 3px !important;
}

.day-column-narrow .task-tag {
  font-size: 8px !important;
  padding: 1px 4px !important;
}

.day-column-narrow .day-add {
  font-size: 9px !important;
}

.day-column-very-narrow {
  padding: 8px 6px !important;
}

.day-column-very-narrow .day-name {
  font-size: 8px !important;
}

.day-column-very-narrow .day-date {
  font-size: 10px !important;
}

.day-column-very-narrow .task-card {
  padding: 6px 8px !important;
}

.day-column-very-narrow .task-title {
  font-size: 10px !important;
  -webkit-line-clamp: 2 !important;
  line-clamp: 2 !important;
}

.day-column-very-narrow .task-meta-row {
  display: none !important;
}

.day-column-very-narrow .task-tags {
  display: none !important;
}

.day-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 6px;
}

.day-name {
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-secondary);
}

.day-date {
  font-size: 13px;
  font-weight: 600;
}

.day-scroll {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  padding-right: 0;
  scrollbar-width: none;
}

.day-scroll::-webkit-scrollbar {
  width: 0;
  height: 0;
}

.day-footer {
  padding-top: 6px;
  display: flex;
  justify-content: flex-end;
}

.day-add {
  font-family: inherit;
  font-size: 11px;
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 12px;
  background: transparent;
  color: currentColor;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, currentColor, transparent 70%);
  transition: background 0.2s ease, border-color 0.2s ease;
}

.day-add:hover {
  background: color-mix(in srgb, currentColor 10%, transparent);
  border-color: currentColor;
}

.task-card {
  border-radius: 8px;
  padding: 10px 12px;
  background: transparent;
  border: none;
  margin-bottom: 4px;
  cursor: pointer;
  transition: background 0.3s ease;
  position: relative;
}

.task-card:hover {
  background-color: color-mix(in srgb, currentColor 5%, transparent);
}

.task-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 0;
  border-bottom: none;
  padding-bottom: 0;
}

.task-title {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.6;
  transition: color 0.4s;
}

.task-title-done {
  text-decoration: line-through;
  opacity: 0.6;
}

.task-time {
  font-size: 11px;
  color: #000;
}

.task-done-toggle {
  width: 20px;
  height: 20px;
  min-width: 20px;
  min-height: 20px;
  margin: 0;
  padding: 0;
  border: 2px solid color-mix(in srgb, currentColor, transparent 70%);
  border-radius: 50%;
  background: transparent;
  -webkit-appearance: none;
  appearance: none;
  cursor: pointer;
  position: relative;
  flex-shrink: 0;
  transition: all 0.2s ease;
}

.task-done-toggle:checked {
  background: var(--work-focus-color);
  border-color: var(--work-focus-color);
}

.task-done-toggle:checked::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -60%) rotate(45deg);
  width: 4px;
  height: 8px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
}

.task-meta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  align-items: center;
}

.badge {
  border-radius: 4px;
  padding: 3px 8px;
  font-size: 10px;
  text-transform: none;
  letter-spacing: 0;
  background: color-mix(in srgb, currentColor 10%, transparent);
  color: currentColor;
  border: 1px solid color-mix(in srgb, currentColor, transparent 80%);
}

.badge-priority-low {
  background: color-mix(in srgb, hsl(200 70% 60%), transparent 85%);
  color: hsl(200 70% 50%);
  border-color: color-mix(in srgb, hsl(200 70% 60%), transparent 70%);
}

.badge-priority-medium {
  background: color-mix(in srgb, hsl(40 80% 60%), transparent 85%);
  color: hsl(40 80% 50%);
  border-color: color-mix(in srgb, hsl(40 80% 60%), transparent 70%);
}

.badge-priority-high {
  background: color-mix(in srgb, hsl(0 90% 66%), transparent 85%);
  color: hsl(0 90% 60%);
  border-color: color-mix(in srgb, hsl(0 90% 66%), transparent 70%);
}

.badge-status-done {
  background: color-mix(in srgb, hsl(140 60% 50%), transparent 85%);
  color: hsl(140 60% 45%);
  border-color: color-mix(in srgb, hsl(140 60% 50%), transparent 70%);
}

.badge-status-in-progress {
  background: color-mix(in srgb, hsl(40 80% 60%), transparent 85%);
  color: hsl(40 80% 50%);
  border-color: color-mix(in srgb, hsl(40 80% 60%), transparent 70%);
}

.badge-status-planned {
  background: color-mix(in srgb, hsl(200 70% 60%), transparent 85%);
  color: hsl(200 70% 50%);
  border-color: color-mix(in srgb, hsl(200 70% 60%), transparent 70%);
}

.badge-status-dropped {
  background: color-mix(in srgb, currentColor, transparent 90%);
  color: currentColor;
  border-color: color-mix(in srgb, currentColor, transparent 85%);
  opacity: 0.5;
}

.task-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 3px;
  margin-top: 3px;
}

.task-tag {
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 4px;
  background: color-mix(in srgb, currentColor 8%, transparent);
  color: currentColor;
  border: 1px solid color-mix(in srgb, currentColor, transparent 85%);
}

@keyframes taskAppear {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.task-card {
  animation: taskAppear 0.3s ease-out;
}

.task-done-toggle:hover {
  transform: scale(1.1);
  border-color: var(--work-focus-color);
}

.task-card:active {
  transform: scale(0.98);
}