/**
 * DataView Matrix View Styles
 * Two-dimensional grid for habit tracking and cross-reference data
 */

/* ========================================
   MATRIX CONTAINER
   ======================================== */

.dv-matrix {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: calc(100vh - 220px);
  min-height: 400px;
}

.dv-matrix-container {
  flex: 1;
  overflow: auto;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 8px;
  background: var(--content-bg, #fff);
}

/* ========================================
   NAVIGATION
   ======================================== */

.dv-matrix-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem;
  background: var(--content-bg, #fff);
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 8px;
}

.dv-matrix-nav-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 6px;
  background: var(--content-bg, #fff);
  color: var(--content-text, #374151);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.dv-matrix-nav-btn:hover {
  background: var(--hover-bg, #f3f4f6);
  border-color: var(--primary-color, #667eea);
  color: var(--primary-color, #667eea);
}

.dv-matrix-nav-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.dv-matrix-week-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--content-text, #374151);
}

.dv-matrix-today-btn {
  padding: 0.25rem 0.5rem;
  border: none;
  border-radius: 4px;
  background: var(--primary-color, #667eea);
  color: #fff;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease;
}

.dv-matrix-today-btn:hover {
  background: var(--primary-hover, #5a6fd6);
}

/* ========================================
   TABLE
   ======================================== */

.dv-matrix-table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

/* ========================================
   HEADER
   ======================================== */

.dv-matrix-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--content-bg, #fff);
}

.dv-matrix-header th {
  padding: 0.75rem 0.5rem;
  text-align: center;
  font-weight: 600;
  font-size: 12px;
  color: var(--muted-text, #6b7280);
  border-bottom: 2px solid var(--border-color, #e5e7eb);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.dv-matrix-row-header {
  width: 200px;
  min-width: 200px;
  text-align: left !important;
  position: sticky;
  left: 0;
  background: var(--content-bg, #fff);
  z-index: 11;
}

.dv-matrix-row-header-label {
  text-transform: capitalize;
}

.dv-matrix-col-header {
  width: 70px;
  min-width: 70px;
}

.dv-matrix-col-header .dv-matrix-day {
  display: block;
  font-size: 11px;
  color: var(--muted-text, #9ca3af);
  margin-bottom: 2px;
}

.dv-matrix-col-header .dv-matrix-date {
  display: block;
  font-size: 16px;
  font-weight: 700;
  color: var(--content-text, #374151);
}

.dv-matrix-col-header.dv-matrix-today {
  background: rgba(102, 126, 234, 0.1);
}

.dv-matrix-col-header.dv-matrix-today .dv-matrix-date {
  color: var(--primary-color, #667eea);
}

.dv-matrix-col-header.dv-matrix-past {
  opacity: 0.7;
}

.dv-matrix-total-header,
.dv-matrix-streak-header {
  width: 80px;
  min-width: 80px;
  font-size: 11px;
}

/* ========================================
   BODY
   ======================================== */

.dv-matrix-body tr {
  transition: background 0.15s ease;
}

.dv-matrix-body tr:hover {
  background: var(--hover-bg, #f9fafb);
}

.dv-matrix-row-label {
  padding: 0.5rem 0.75rem;
  text-align: left;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
  position: sticky;
  left: 0;
  background: inherit;
  z-index: 5;
}

.dv-matrix-row:hover .dv-matrix-row-label {
  background: var(--hover-bg, #f9fafb);
}

.dv-matrix-row-info {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.dv-matrix-row-icon {
  font-size: 18px;
  flex-shrink: 0;
}

.dv-matrix-row-name {
  font-size: 14px;
  font-weight: 500;
  color: var(--content-text, #374151);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}

.dv-matrix-row-edit {
  opacity: 0;
  width: 24px;
  height: 24px;
  border: none;
  background: transparent;
  cursor: pointer;
  border-radius: 4px;
  font-size: 12px;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

.dv-matrix-row:hover .dv-matrix-row-edit {
  opacity: 1;
}

.dv-matrix-row-edit:hover {
  background: var(--hover-bg, #e5e7eb);
}

/* ========================================
   CELLS
   ======================================== */

.dv-matrix-cell {
  padding: 0.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
  border-left: 1px solid var(--border-color, #f3f4f6);
  transition: background-color 0.2s ease;
}

.dv-matrix-cell.dv-matrix-today {
  background: rgba(102, 126, 234, 0.05);
}

.dv-matrix-cell.dv-matrix-completed {
  background: rgba(16, 185, 129, 0.1);
}

.dv-matrix-cell.dv-matrix-completed.dv-matrix-today {
  background: rgba(16, 185, 129, 0.15);
}

/* Checkbox Cell */
.dv-matrix-cell-btn {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-color, #d1d5db);
  border-radius: 6px;
  background: transparent;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: transparent;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.dv-matrix-check-icon {
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.dv-matrix-cell-btn.dv-matrix-cell-checked .dv-matrix-check-icon {
  transform: scale(1);
  opacity: 1;
}

.dv-matrix-cell-btn:not(.dv-matrix-cell-checked) .dv-matrix-check-icon {
  transform: scale(0.5);
  opacity: 0;
}

.dv-matrix-cell-btn:hover {
  border-color: var(--primary-color, #667eea);
  background: rgba(102, 126, 234, 0.1);
}

.dv-matrix-cell-btn.dv-matrix-cell-checked {
  border-color: #10b981;
  background: #10b981;
  color: #fff;
}

.dv-matrix-cell-btn.dv-matrix-cell-checked:hover {
  background: #059669;
  border-color: #059669;
}

/* Loading state */
.dv-matrix-cell-btn.dv-matrix-cell-loading {
  pointer-events: none;
  opacity: 0.7;
  position: relative;
}

.dv-matrix-cell-btn.dv-matrix-cell-loading::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  border: 2px solid transparent;
  border-top-color: currentColor;
  border-radius: 50%;
  animation: matrix-spin 0.6s linear infinite;
}

.dv-matrix-cell-btn.dv-matrix-cell-loading .dv-matrix-check-icon {
  visibility: hidden;
}

@keyframes matrix-spin {
  to { transform: rotate(360deg); }
}

/* Disabled state */
.dv-matrix-cell-btn:disabled {
  cursor: not-allowed;
}

/* Number Cell */
.dv-matrix-cell-input {
  width: 50px;
  padding: 0.375rem;
  border: 1px solid var(--border-color, #e5e7eb);
  border-radius: 4px;
  background: var(--content-bg, #fff);
  font-size: 13px;
  text-align: center;
  color: var(--content-text, #374151);
}

.dv-matrix-cell-input:focus {
  outline: none;
  border-color: var(--primary-color, #667eea);
  box-shadow: 0 0 0 2px rgba(102, 126, 234, 0.1);
}

/* Status/Text Cell */
.dv-matrix-cell-status,
.dv-matrix-cell-text {
  font-size: 12px;
  color: var(--muted-text, #6b7280);
}

/* ========================================
   TOTALS
   ======================================== */

.dv-matrix-total-cell,
.dv-matrix-streak-cell {
  padding: 0.5rem;
  text-align: center;
  border-bottom: 1px solid var(--border-color, #e5e7eb);
  border-left: 1px solid var(--border-color, #e5e7eb);
  background: var(--hover-bg, #f9fafb);
}

.dv-matrix-total-value {
  font-size: 12px;
  font-weight: 600;
  color: var(--content-text, #374151);
}

.dv-matrix-streak-value {
  font-size: 13px;
  font-weight: 600;
  color: #f59e0b;
}

.dv-matrix-streak-empty {
  font-size: 12px;
  color: var(--muted-text, #9ca3af);
}

/* ========================================
   FOOTER
   ======================================== */

.dv-matrix-footer {
  position: sticky;
  bottom: 0;
  background: var(--content-bg, #fff);
}

.dv-matrix-footer td {
  padding: 0.75rem 0.5rem;
  text-align: center;
  border-top: 2px solid var(--border-color, #e5e7eb);
  background: var(--hover-bg, #f9fafb);
}

.dv-matrix-footer-label {
  text-align: left !important;
  font-weight: 600;
  font-size: 12px;
  color: var(--muted-text, #6b7280);
  text-transform: uppercase;
  position: sticky;
  left: 0;
  background: var(--hover-bg, #f9fafb);
}

.dv-matrix-footer-cell {
  border-left: 1px solid var(--border-color, #f3f4f6);
}

.dv-matrix-footer-cell.dv-matrix-today {
  background: rgba(102, 126, 234, 0.1);
}

.dv-matrix-footer-value {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--content-text, #374151);
}

.dv-matrix-footer-percent {
  display: block;
  font-size: 10px;
  color: var(--muted-text, #9ca3af);
  margin-top: 2px;
}

.dv-matrix-footer-grand {
  border-left: 1px solid var(--border-color, #e5e7eb);
  background: var(--primary-color, #667eea);
  color: #fff;
}

.dv-matrix-grand-value {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
}

.dv-matrix-grand-percent {
  display: block;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.8);
  margin-top: 2px;
}

.dv-matrix-footer-spacer {
  border-left: 1px solid var(--border-color, #e5e7eb);
}

/* ========================================
   EMPTY STATES
   ======================================== */

.dv-matrix-no-config,
.dv-matrix-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--muted-text, #6b7280);
}

.dv-matrix-no-config-icon,
.dv-matrix-empty-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  opacity: 0.5;
}

.dv-matrix-no-config h3,
.dv-matrix-empty h3 {
  font-size: 1.25rem;
  color: var(--content-text, #374151);
  margin-bottom: 0.5rem;
}

.dv-matrix-no-config p,
.dv-matrix-empty p {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}

.dv-matrix-no-config code {
  background: var(--hover-bg, #f3f4f6);
  padding: 0.125rem 0.375rem;
  border-radius: 3px;
  font-size: 0.8125rem;
}

.dv-matrix-add-row-btn {
  margin-top: 1rem;
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 6px;
  background: var(--primary-color, #667eea);
  color: #fff;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 0.15s ease;
}

.dv-matrix-add-row-btn:hover {
  background: var(--primary-hover, #5a6fd6);
}

/* ========================================
   DARK MODE
   ======================================== */

[data-theme="dark"] .dv-matrix-container {
  background: var(--content-bg, #1f2937);
  border-color: var(--border-color, #374151);
}

[data-theme="dark"] .dv-matrix-nav {
  background: var(--content-bg, #1f2937);
  border-color: var(--border-color, #374151);
}

[data-theme="dark"] .dv-matrix-nav-btn {
  background: var(--content-bg, #1f2937);
  border-color: var(--border-color, #374151);
  color: var(--content-text, #f9fafb);
}

[data-theme="dark"] .dv-matrix-nav-btn:hover {
  background: var(--hover-bg, #374151);
}

[data-theme="dark"] .dv-matrix-header,
[data-theme="dark"] .dv-matrix-row-label,
[data-theme="dark"] .dv-matrix-row:hover .dv-matrix-row-label {
  background: var(--content-bg, #1f2937);
}

[data-theme="dark"] .dv-matrix-footer td,
[data-theme="dark"] .dv-matrix-footer-label {
  background: rgba(255, 255, 255, 0.05);
}

[data-theme="dark"] .dv-matrix-total-cell,
[data-theme="dark"] .dv-matrix-streak-cell {
  background: rgba(255, 255, 255, 0.03);
}

[data-theme="dark"] .dv-matrix-cell.dv-matrix-today {
  background: rgba(102, 126, 234, 0.15);
}

[data-theme="dark"] .dv-matrix-cell.dv-matrix-completed {
  background: rgba(16, 185, 129, 0.15);
}

[data-theme="dark"] .dv-matrix-cell-btn {
  border-color: var(--border-color, #4b5563);
}

[data-theme="dark"] .dv-matrix-cell-input {
  background: var(--content-bg, #1f2937);
  border-color: var(--border-color, #4b5563);
  color: var(--content-text, #f9fafb);
}

[data-theme="dark"] .dv-matrix-row-edit:hover {
  background: var(--hover-bg, #374151);
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .dv-matrix-row-header {
    width: 150px;
    min-width: 150px;
  }

  .dv-matrix-col-header {
    width: 55px;
    min-width: 55px;
  }

  .dv-matrix-cell-btn {
    width: 28px;
    height: 28px;
    font-size: 14px;
  }

  .dv-matrix-nav {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .dv-matrix-nav-btn {
    padding: 0.375rem 0.75rem;
    font-size: 12px;
  }

  .dv-matrix-row-edit {
    opacity: 1;
  }
}

@media (max-width: 480px) {
  .dv-matrix-row-header {
    width: 120px;
    min-width: 120px;
  }

  .dv-matrix-col-header {
    width: 45px;
    min-width: 45px;
  }

  .dv-matrix-col-header .dv-matrix-day {
    font-size: 10px;
  }

  .dv-matrix-col-header .dv-matrix-date {
    font-size: 14px;
  }

  .dv-matrix-cell-btn {
    width: 24px;
    height: 24px;
    font-size: 12px;
  }

  .dv-matrix-total-header,
  .dv-matrix-streak-header {
    display: none;
  }

  .dv-matrix-total-cell,
  .dv-matrix-streak-cell {
    display: none;
  }
}

/* Scrollbar styling */
.dv-matrix-container::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

.dv-matrix-container::-webkit-scrollbar-track {
  background: var(--hover-bg, #f3f4f6);
}

.dv-matrix-container::-webkit-scrollbar-thumb {
  background: var(--border-color, #d1d5db);
  border-radius: 4px;
}

.dv-matrix-container::-webkit-scrollbar-thumb:hover {
  background: var(--muted-text, #9ca3af);
}

.dv-matrix-container::-webkit-scrollbar-corner {
  background: var(--hover-bg, #f3f4f6);
}