/* ============================================================================
 * LEV Kit Configurator — Batch
 *
 * Shared scaffolding (.card, .btn, .drop-zone, .alert) lives in style.css.
 * This file only carries tool-unique classes: the mode chooser, the three
 * batch tables, project-options fieldset, warning sub-blocks, and the
 * editor header. Colors map to style.css's CSS variables for consistency.
 * ============================================================================ */

/* ----- Mode chooser ----------------------------------------------------- */

.lk-mode-cards {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.lk-mode-card {
  flex: 1;
  min-width: 240px;
  background: var(--white);
  border: 2px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  cursor: pointer;
  text-align: left;
  text-decoration: none;
  color: inherit;
  font: inherit;
  display: block;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.lk-mode-card:hover {
  border-color: var(--red);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.lk-mode-card-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--red);
  margin-bottom: 8px;
}

.lk-mode-card-desc {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.5;
}

/* ----- Manual-entry affordance under the drop zone --------------------- */

.lk-manual-entry {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--border);
}

.lk-manual-entry-or {
  font-size: 0.85rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ----- Editor header (title + "New project" link) ---------------------- */

.lk-editor-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
  flex-wrap: wrap;
}

/* ----- Warning sub-blocks inside .alert.alert-warn --------------------- */

.lk-warnings-block + .lk-warnings-block {
  margin-top: 8px;
}

.lk-warnings ul {
  margin: 4px 0 0;
  padding-left: 20px;
}

.lk-warnings-note {
  margin: 6px 0 4px;
  font-size: 0.85rem;
}

/* ----- Project options fieldset ---------------------------------------- */

.lk-project-options {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 12px 16px 16px;
  margin: 0 0 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.lk-project-options legend {
  padding: 0 6px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--gray);
}

.lk-option {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.9rem;
}

.lk-option-label {
  font-weight: 500;
  color: var(--gray);
}

#lk-project-name {
  width: 100%;
  box-sizing: border-box;
}

/* Refrigerant Type radio fieldset — visually nested inside .lk-project-options
   while staying a real <fieldset> for accessibility. The outer grid treats it
   as one column. */
.lk-refrigerant-fieldset {
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 4px 10px 8px;
  margin: 0;
}

.lk-refrigerant-fieldset legend {
  padding: 0 4px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray);
}

.lk-radio-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-right: 12px;
  font-size: 0.9rem;
  cursor: pointer;
}

.lk-radio-label input[type="radio"] {
  margin: 0;
}

/* Controller-group heading — only shown when "Both" is selected and the two
   groups need clear visual separation. */
.lk-controller-group-heading {
  margin: 0 0 12px;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--dark);
  display: none;          /* shown only in 'both' mode (toggled by JS via .lk-show-headings) */
}

.lk-show-headings .lk-controller-group-heading {
  display: block;
}

.lk-controller-group + .lk-controller-group {
  margin-top: 28px;       /* extra breathing room when both groups stack */
}

/* AH001 wide tables: wrap each <table> in a `.lk-table-scroll` div that
   takes care of horizontal overflow. The table itself stays a normal
   `display: table`, so thead and tbody share one table-layout context and
   the <colgroup> column widths apply uniformly to header and body rows.
   This is the canonical fix for the "header doesn't line up with body"
   problem — previously the table was `display: block` which forced
   thead/tbody into independent display:table contexts with independent
   column widths. */
.lk-table-scroll {
  overflow-x: auto;
  /* Slight vertical padding so the scrollbar doesn't crowd the table content
     on browsers that show always-on scrollbars. */
  padding-bottom: 2px;
}

.lk-batch-table-wide {
  table-layout: fixed;
  width: max-content;       /* size table to sum of <colgroup> widths */
  min-width: 100%;          /* but fill the wrapper when columns sum < width */
  border-collapse: collapse;
}

/* Allow th text to wrap to two lines on wide AH001 tables — the long
   header strings (DAT Setpoint Range, Run Fan During Defrost, etc.) don't
   fit on one line at typical widths. Td cells stay single-line so the
   dropdowns don't squeeze vertically. */
.lk-batch-table-wide th {
  white-space: normal;
  line-height: 1.2;
  vertical-align: middle;
}

.lk-batch-table-wide td {
  white-space: nowrap;
}

/* Uniform Unit Tag column width across ALL batch tables (AH002 and AH001).
   Matches the look of the AH002 RAT Unit Tag column — narrow, fits typical
   tags like "DOAS-1A" with comfortable padding. */
.lk-batch-table .lk-cell-tag,
.lk-batch-table td.lk-tag,
.lk-batch-table th:first-child {
  width: 90px;
  min-width: 90px;
}

/* Basic Info Unit Tag column is wider than DAT/RAT — sized to match the
   natural width of an "Enable Method" dropdown on the AH002 DAT table, so
   manually-entered unit tags have room to breathe without crowding the
   capacity dropdown next to them. Applies to both controllers. */
#lk-basic-table-ah002 .lk-cell-tag,
#lk-basic-table-ah002 th:first-child {
  width: 150px;
  min-width: 150px;
}

/* AH001 column widths are defined via <colgroup> in the HTML — see
   site_lev_kit.html. Colgroup widths apply uniformly to header and body
   rows since the table uses standard table-layout: fixed (no display: block
   workaround). */

/* ----- Editor form controls -------------------------------------------- */

#lk-step-editor select,
#lk-step-editor input[type="text"] {
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 6px 8px;
  background: var(--white);
}

#lk-step-editor select:disabled,
#lk-step-editor input[type="text"]:disabled {
  background: #f1f3f5;
  color: var(--muted);
  cursor: not-allowed;
}

/* ----- Batch input tables ---------------------------------------------- */

.lk-batch-tables {
  margin: 0 0 20px;
}

.lk-mode-section {
  margin: 0 0 24px;
}

.lk-table-heading {
  margin: 0 0 8px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--dark);
}

.lk-batch-table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
  background: var(--white);
}

.lk-batch-table th,
.lk-batch-table td {
  border: 1px solid var(--dark);
  padding: 8px;
  text-align: center;
  vertical-align: middle;
}

.lk-batch-table thead th {
  background: #e0e0e0;
  font-weight: bold;
}

.lk-batch-table td.lk-tag {
  font-weight: 600;
}

.lk-batch-table .lk-cell-kit {
  font-weight: 500;
}

.lk-batch-table select,
.lk-batch-table input[type="text"] {
  width: 100%;
  padding: 6px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font: inherit;
  background: var(--white);
  box-sizing: border-box;
}

.lk-batch-table select:disabled,
.lk-batch-table input[type="text"]:disabled {
  background: #e9ecef;
  color: var(--muted);
  cursor: not-allowed;
}

/* Compress the Operation column — fixed width keeps it from eating space
   the wider columns need. */
.lk-batch-table .lk-th-op,
.lk-batch-table .lk-cell-op {
  width: 130px;
}

.lk-basic-actions {
  display: flex;
  justify-content: flex-end;
  margin: 8px 0 0;
}

/* Each unit has one row in each table; CSS hides the row in the
   mode-specific table whose mode does not match. */
/* Rows tagged with the "wrong" control mode for their table are hidden. The
   batch UI keeps three rows per unit (basic/DAT/RAT) and toggles visibility
   when the user flips control_mode; same rule applies to both controllers. */
#lk-dat-table-ah002 tr[data-mode="return"],
#lk-dat-table-ah001 tr[data-mode="return"]    { display: none; }
#lk-rat-table-ah002 tr[data-mode="discharge"],
#lk-rat-table-ah001 tr[data-mode="discharge"] { display: none; }

/* ── Empty-tag warning ─────────────────────────────────────────────── */
input[data-field="tag"].lk-tag-empty {
  border-color: var(--color-danger, #e74c3c) !important;
  box-shadow: 0 0 0 2px rgba(231, 76, 60, 0.15);
  background: rgba(231, 76, 60, 0.04);
}

/* ── Auto-save status indicator ─────────────────────────────────────── */
.lk-save-status {
  font-style: italic;
  transition: color 0.3s;
}
.lk-save-saved  { color: var(--color-success, #27ae60); }
.lk-save-saving { color: var(--color-warning, #f39c12); }
.lk-save-error  { color: var(--color-danger, #e74c3c); }