:root {
  color-scheme: light dark;
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    sans-serif;
  line-height: 1.4;
  padding: 0;
  margin: 0;
}

body {
  margin: 0;
  padding: 1.5rem;
  background: #f5f5f5;
  color: #222;
}

@media (prefers-color-scheme: dark) {
  body {
    background: #111;
    color: #f5f5f5;
  }
}

header {
  max-width: 1200px;
  margin: 0 auto 2rem auto;
}

main {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

section {
  background: rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  section {
    background: rgba(25, 25, 25, 0.9);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.5);
  }
}

h1,
h2 {
  margin: 0 0 0.5rem 0;
}

.section-hint {
  margin-top: 0;
  color: #555;
  margin-bottom: 1rem;
}

@media (prefers-color-scheme: dark) {
  .section-hint {
    color: #aaa;
  }
}

.button-row {
  display: flex;
  gap: 0.75rem;
  margin-top: 1rem;
}

button,
select {
  padding: 0.5rem 1rem;
  border-radius: 6px;
  border: 1px solid #333;
  background: #fff;
  cursor: pointer;
  font-size: 0.95rem;
}

button:hover {
  background: #ececec;
}

@media (prefers-color-scheme: dark) {
  button,
  select {
    background: #1f1f1f;
    border-color: #666;
    color: inherit;
  }

  button:hover {
    background: #2a2a2a;
  }
}

.project-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.project-btn {
  padding: 0.75rem 1.25rem;
  font-size: 1rem;
  font-weight: 500;
}

.project-btn.active {
  background: #0891b2;
  color: #fff;
  border-color: #0891b2;
}

.project-btn.active:hover {
  background: #0e7490;
}

@media (prefers-color-scheme: dark) {
  .project-btn.active {
    background: #0891b2;
    color: #fff;
    border-color: #0891b2;
  }

  .project-btn.active:hover {
    background: #0e7490;
  }
}

.overview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.overview-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem;
  border-radius: 10px;
  background: rgba(0, 0, 0, 0.05);
}

@media (prefers-color-scheme: dark) {
  .overview-item {
    background: rgba(255, 255, 255, 0.05);
  }
}

.overview-item .label {
  font-size: 0.9rem;
  color: #666;
}

.overview-item .value {
  font-size: 1.3rem;
  font-weight: 600;
}

.controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.controls label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.9rem;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

input[type='text'],
textarea {
  padding: 0.5rem;
  border-radius: 6px;
  border: 1px solid rgba(0, 0, 0, 0.2);
  background: rgba(255, 255, 255, 0.95);
  font-family: inherit;
  font-size: 0.95rem;
}

textarea {
  resize: vertical;
}

.required {
  color: #d93025;
  font-weight: bold;
}

@media (prefers-color-scheme: dark) {
  input[type='text'],
  textarea {
    background: #1f1f1f;
    border-color: #444;
    color: inherit;
  }

  .required {
    color: #ff6b6b;
  }
}

.tasks-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.task-item {
  border: 1px solid rgba(0, 0, 0, 0.1);
  border-radius: 8px;
  padding: 1rem;
  background: rgba(255, 255, 255, 0.95);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (prefers-color-scheme: dark) {
  .task-item {
    background: rgba(20, 20, 20, 0.9);
    border-color: #333;
  }
}

.task-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}

.task-title-section {
  flex: 1;
}

.task-title-section h3 {
  margin: 0 0 0.25rem 0;
  font-size: 1.1rem;
}

.task-meta {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.85rem;
  color: #666;
}

@media (prefers-color-scheme: dark) {
  .task-meta {
    color: #aaa;
  }
}

.task-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.small-button {
  padding: 0.3rem 0.6rem;
  font-size: 0.85rem;
}

.status-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
}

.status-pending {
  background: #e3f2fd;
  color: #1565c0;
}

.status-claimed {
  background: #fff3e0;
  color: #e65100;
}

.status-in_progress {
  background: #f3e5f5;
  color: #6a1b9a;
}

.status-completed {
  background: #e8f5e9;
  color: #2e7d32;
}

.status-failed {
  background: #ffebee;
  color: #c62828;
}

@media (prefers-color-scheme: dark) {
  .status-pending {
    background: #0d47a1;
    color: #bbdefb;
  }

  .status-claimed {
    background: #e65100;
    color: #ffe0b2;
  }

  .status-in_progress {
    background: #4a148c;
    color: #e1bee7;
  }

  .status-completed {
    background: #1b5e20;
    color: #c8e6c9;
  }

  .status-failed {
    background: #b71c1c;
    color: #ffcdd2;
  }
}

.priority-badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 12px;
  font-size: 0.8rem;
  font-weight: 600;
}

.priority-high {
  background: #ffebee;
  color: #c62828;
}

.priority-medium {
  background: #fff3e0;
  color: #e65100;
}

.priority-low {
  background: #e3f2fd;
  color: #1565c0;
}

@media (prefers-color-scheme: dark) {
  .priority-high {
    background: #b71c1c;
    color: #ffcdd2;
  }

  .priority-medium {
    background: #e65100;
    color: #ffe0b2;
  }

  .priority-low {
    background: #0d47a1;
    color: #bbdefb;
  }
}

.task-description {
  color: #444;
  white-space: pre-wrap;
  line-height: 1.5;
  max-height: 200px;
  overflow-y: auto;
}

@media (prefers-color-scheme: dark) {
  .task-description {
    color: #ccc;
  }
}

.task-tags {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.tag-item {
  font-size: 0.8rem;
  padding: 0.25rem 0.6rem;
  border-radius: 8px;
  background: rgba(0, 0, 0, 0.05);
  font-family: 'Courier New', monospace;
}

@media (prefers-color-scheme: dark) {
  .tag-item {
    background: rgba(255, 255, 255, 0.08);
  }
}

.task-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.5rem;
  font-size: 0.9rem;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(0, 0, 0, 0.08);
}

@media (prefers-color-scheme: dark) {
  .task-details {
    border-top-color: rgba(255, 255, 255, 0.1);
  }
}

.task-detail-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.detail-label {
  font-size: 0.8rem;
  color: #666;
  font-weight: 600;
}

.detail-value {
  color: #333;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
}

@media (prefers-color-scheme: dark) {
  .detail-label {
    color: #aaa;
  }

  .detail-value {
    color: #ddd;
  }
}

.task-error {
  padding: 0.75rem;
  background: rgba(211, 47, 47, 0.1);
  border-left: 3px solid #d32f2f;
  border-radius: 4px;
  color: #d32f2f;
  font-size: 0.9rem;
  white-space: pre-wrap;
}

@media (prefers-color-scheme: dark) {
  .task-error {
    background: rgba(244, 67, 54, 0.15);
    border-left-color: #ff6b6b;
    color: #ff6b6b;
  }
}

.task-result {
  padding: 0.75rem;
  background: rgba(46, 125, 50, 0.1);
  border-left: 3px solid #2e7d32;
  border-radius: 4px;
  font-size: 0.85rem;
  font-family: 'Courier New', monospace;
}

@media (prefers-color-scheme: dark) {
  .task-result {
    background: rgba(76, 175, 80, 0.15);
    border-left-color: #81c784;
  }
}

#messages {
  max-width: 1200px;
  margin: 1rem auto;
  min-height: 1.2rem;
  font-weight: 500;
}

#messages.success {
  color: #1a7f37;
}

#messages.error {
  color: #d93025;
}

@media (prefers-color-scheme: dark) {
  #messages.success {
    color: #62ff8e;
  }

  #messages.error {
    color: #ff6b6b;
  }
}

.timestamp {
  color: #777;
  font-size: 0.85rem;
}

@media (prefers-color-scheme: dark) {
  .timestamp {
    color: #999;
  }
}

.loading {
  text-align: center;
  padding: 2rem;
  color: #666;
}

@media (prefers-color-scheme: dark) {
  .loading {
    color: #aaa;
  }
}

/* Breadcrumb navigation */
.breadcrumb {
  max-width: 1200px;
  margin: 0 auto 1rem auto;
  padding: 0.75rem 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
}

.breadcrumb-link {
  color: #0891b2;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.2s;
}

.breadcrumb-link:hover {
  color: #0e7490;
  text-decoration: underline;
}

@media (prefers-color-scheme: dark) {
  .breadcrumb-link {
    color: #22d3ee;
  }

  .breadcrumb-link:hover {
    color: #0891b2;
  }
}

.breadcrumb-separator {
  color: #666;
  user-select: none;
}

@media (prefers-color-scheme: dark) {
  .breadcrumb-separator {
    color: #aaa;
  }
}

.breadcrumb-current {
  color: #666;
  font-weight: 500;
}

@media (prefers-color-scheme: dark) {
  .breadcrumb-current {
    color: #aaa;
  }
}