/* ═══════════════════════════════════════════════════════════════
   Spreadsheet Editor — Component Styles
   Sprint 1 + Sprint 2
   ═══════════════════════════════════════════════════════════════ */

/* ── Table Layout ─────────────────────────────────── */

.spreadsheet-wrapper {
  overflow: auto;
  max-height: 70vh;
  border: 1px solid var(--border-default);
  border-radius: 8px;
  position: relative;
}

.spreadsheet-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  table-layout: fixed;
}

.spreadsheet-table thead {
  position: sticky;
  top: 0;
  z-index: 2;
}

.spreadsheet-table th {
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-default);
  padding: 6px 8px;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  position: relative;
}

.spreadsheet-table td {
  border: 1px solid var(--border-default);
  padding: 2px 8px;
  cursor: cell;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  height: 32px;
  color: var(--text-primary);
  background: var(--bg-surface);
}

.spreadsheet-row-num {
  width: 40px;
  min-width: 40px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-default);
  padding: 2px 6px;
  font-size: 11px;
  color: var(--text-tertiary);
  text-align: center;
}

.spreadsheet-add-col-th {
  width: 36px;
  background: var(--bg-surface-hover);
  border: 1px solid var(--border-default);
  text-align: center;
  cursor: pointer;
  color: var(--text-tertiary);
}

.spreadsheet-add-col-th:hover {
  color: var(--accent);
  background: var(--bg-surface);
}

/* ── Cell States ──────────────────────────────────── */

.spreadsheet-cell-selected {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  z-index: 1;
  position: relative;
}

.spreadsheet-cell-editing {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
  z-index: 1;
  position: relative;
  background: var(--bg-surface);
}

/* ── Sprint 2: Range Selection ────────────────────── */

.cell-in-range {
  background: rgba(26, 115, 232, 0.08);
}

.cell-range-top {
  border-top: 2px solid #1A73E8 !important;
}

.cell-range-bottom {
  border-bottom: 2px solid #1A73E8 !important;
}

.cell-range-left {
  border-left: 2px solid #1A73E8 !important;
}

.cell-range-right {
  border-right: 2px solid #1A73E8 !important;
}

/* ── Sprint 2: Find & Replace Highlights ──────────── */

.cell-find-match {
  background: rgba(251, 188, 4, 0.25);
}

.cell-find-current {
  background: rgba(251, 188, 4, 0.5);
  outline: 2px solid #FBBC04;
  outline-offset: -1px;
}

/* ── Column Resize Handle ─────────────────────────── */

.col-resize-handle {
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  width: 5px;
  cursor: col-resize;
  z-index: 3;
  background: transparent;
}

.col-resize-handle:hover,
.col-resize-handle.active {
  background: var(--accent);
  opacity: 0.5;
}

/* ── Header Content Layout ────────────────────────── */

.spreadsheet-th-content {
  display: flex;
  align-items: center;
  gap: 4px;
  min-width: 0;
}

.spreadsheet-th-content .col-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}

.spreadsheet-th-content .col-type-label {
  color: var(--text-tertiary);
  font-weight: 400;
  font-size: 10px;
  flex-shrink: 0;
}

/* ── Sprint 2: Filter Icon in Header ──────────────── */

.filter-icon-btn {
  padding: 2px;
  border: none;
  background: none;
  cursor: pointer;
  opacity: 0.4;
  color: currentColor;
  line-height: 0;
  border-radius: 3px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.filter-icon-btn:hover {
  opacity: 1;
  background: var(--bg-surface-hover);
}

.filter-icon-btn.active {
  opacity: 1;
  color: var(--accent);
}

/* ── Formula Bar ──────────────────────────────────── */

.spreadsheet-formula-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 4px 8px;
  border: 1px solid var(--border-default);
  border-radius: 6px;
  background: var(--bg-surface);
  margin-bottom: 8px;
  font-size: 13px;
}

.spreadsheet-formula-bar .cell-ref {
  font-weight: 600;
  color: var(--text-tertiary);
  font-size: 11px;
  min-width: 50px;
  text-align: center;
  flex-shrink: 0;
}

.spreadsheet-formula-bar .formula-input {
  flex: 1;
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  color: var(--text-primary);
  font-family: monospace;
}

.spreadsheet-formula-bar .formula-input::placeholder {
  color: var(--text-tertiary);
}

/* ── Toolbar Buttons ──────────────────────────────── */

.spreadsheet-toolbar-btn {
  padding: 4px 8px;
  font-size: 12px;
  border-radius: 4px;
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  line-height: 1;
}

.spreadsheet-toolbar-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.spreadsheet-toolbar-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.spreadsheet-toolbar-btn:disabled:hover {
  background: var(--bg-surface);
  color: var(--text-secondary);
}

/* ── Add Row Button ───────────────────────────────── */

.spreadsheet-add-row-btn {
  padding: 4px 16px;
  font-size: 12px;
  color: var(--text-tertiary);
  background: var(--bg-surface-hover);
  border: 1px dashed var(--border-default);
  border-radius: 4px;
  cursor: pointer;
}

.spreadsheet-add-row-btn:hover {
  color: var(--accent);
  border-color: var(--accent);
}

/* ── Context Menu ─────────────────────────────────── */

.spreadsheet-ctx-menu {
  position: fixed;
  z-index: 9999;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 8px;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
  padding: 4px 0;
  min-width: 180px;
  font-size: 13px;
}

.spreadsheet-ctx-menu-item {
  padding: 6px 12px;
  cursor: pointer;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.spreadsheet-ctx-menu-item:hover {
  background: var(--bg-surface-hover);
}

.spreadsheet-ctx-menu-separator {
  height: 1px;
  background: var(--border-default);
  margin: 4px 0;
}

/* ── Sprint 2: Find & Replace Modal ───────────────── */

.spreadsheet-find-modal {
  position: fixed;
  top: 80px;
  right: 24px;
  z-index: 9998;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  padding: 12px 16px;
  width: 340px;
  font-size: 13px;
  color: var(--text-primary);
}

.spreadsheet-find-modal .find-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}

.spreadsheet-find-modal .find-header-title {
  font-weight: 600;
  font-size: 13px;
  color: var(--text-primary);
}

.spreadsheet-find-modal .find-close-btn {
  border: none;
  background: none;
  cursor: pointer;
  color: var(--text-tertiary);
  padding: 2px;
  border-radius: 4px;
  line-height: 0;
}

.spreadsheet-find-modal .find-close-btn:hover {
  color: var(--text-primary);
  background: var(--bg-surface-hover);
}

.spreadsheet-find-modal .find-row {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 8px;
}

.spreadsheet-find-modal .find-input {
  flex: 1;
  padding: 5px 8px;
  border: 1px solid var(--border-default);
  border-radius: 6px;
  font-size: 13px;
  background: var(--bg-surface);
  color: var(--text-primary);
  outline: none;
}

.spreadsheet-find-modal .find-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-10, rgba(26, 115, 232, 0.1));
}

.spreadsheet-find-modal .find-nav-btn {
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  cursor: pointer;
  padding: 4px 6px;
  border-radius: 4px;
  color: var(--text-secondary);
  line-height: 0;
}

.spreadsheet-find-modal .find-nav-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.spreadsheet-find-modal .find-count {
  font-size: 11px;
  color: var(--text-tertiary);
  min-width: 70px;
  text-align: right;
  flex-shrink: 0;
}

.spreadsheet-find-modal .find-action-btn {
  padding: 5px 10px;
  font-size: 12px;
  border-radius: 6px;
  border: 1px solid var(--border-default);
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
}

.spreadsheet-find-modal .find-action-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.spreadsheet-find-modal .find-action-btn.primary {
  background: var(--accent);
  color: var(--accent-contrast, var(--text-inverse));
  border-color: var(--accent);
}

.spreadsheet-find-modal .find-action-btn.primary:hover {
  opacity: 0.9;
}

/* ── Sprint 2: Filter Dropdown ────────────────────── */

.spreadsheet-filter-dropdown {
  position: fixed;
  z-index: 9999;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
  padding: 10px;
  width: 240px;
  font-size: 13px;
  color: var(--text-primary);
  max-height: 320px;
  display: flex;
  flex-direction: column;
}

.spreadsheet-filter-dropdown .filter-search {
  padding: 5px 8px;
  border: 1px solid var(--border-default);
  border-radius: 6px;
  font-size: 12px;
  background: var(--bg-surface);
  color: var(--text-primary);
  outline: none;
  width: 100%;
  margin-bottom: 6px;
}

.spreadsheet-filter-dropdown .filter-search:focus {
  border-color: var(--accent);
}

.spreadsheet-filter-dropdown .filter-quick-btns {
  display: flex;
  gap: 6px;
  margin-bottom: 6px;
}

.spreadsheet-filter-dropdown .filter-quick-btn {
  padding: 2px 8px;
  font-size: 11px;
  border: 1px solid var(--border-default);
  border-radius: 4px;
  background: var(--bg-surface);
  color: var(--text-secondary);
  cursor: pointer;
}

.spreadsheet-filter-dropdown .filter-quick-btn:hover {
  background: var(--bg-surface-hover);
  color: var(--text-primary);
}

.spreadsheet-filter-dropdown .filter-values-list {
  flex: 1;
  overflow-y: auto;
  max-height: 180px;
  margin-bottom: 8px;
}

.spreadsheet-filter-dropdown .filter-value-row {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 2px;
  border-radius: 4px;
  cursor: pointer;
}

.spreadsheet-filter-dropdown .filter-value-row:hover {
  background: var(--bg-surface-hover);
}

.spreadsheet-filter-dropdown .filter-value-row label {
  cursor: pointer;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 12px;
  color: var(--text-primary);
}

.spreadsheet-filter-dropdown .filter-value-row input[type="checkbox"] {
  accent-color: var(--accent);
  flex-shrink: 0;
}

.spreadsheet-filter-dropdown .filter-apply-btn {
  padding: 6px 12px;
  font-size: 12px;
  border-radius: 6px;
  border: none;
  background: var(--accent);
  color: var(--accent-contrast, var(--text-inverse));
  cursor: pointer;
  width: 100%;
  font-weight: 500;
}

.spreadsheet-filter-dropdown .filter-apply-btn:hover {
  opacity: 0.9;
}

/* ── Checkbox cells ───────────────────────────────── */

.spreadsheet-table td .cell-checkbox {
  font-size: 16px;
  line-height: 1;
}

/* ── URL cells ────────────────────────────────────── */

.spreadsheet-table td a {
  color: var(--accent);
  text-decoration: underline;
}

.spreadsheet-table td a:hover {
  opacity: 0.8;
}