/* ==========================================================================
   Farm Planner – Figma-inspired design system
   ==========================================================================
   Outline colour: #679436
   Plot default colours: #F3534A #FF853E #FFBB3E #3A8844 #43A1BC #A06EBF #F9A5D7
   ========================================================================== */

:root {
  --green: #679436;
  --green-light: #8ab556;
  --green-dark: #4e7228;
  --bg: #FAFAF5;
  --surface: #ffffff;
  --text: #2D3436;
  --text-secondary: #636e72;
  --border: #d5ddd0;
  --border-green: #679436;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);

  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text);
  background: var(--bg);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body { overflow: hidden; }

/* === Pages (full viewport) === */

.page {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--bg);
  overflow: hidden;
}
.page.active {
  display: flex;
  flex-direction: column;
}

/* === Logo (leaf SVG) === */

.logo-large {
  width: 360px;
  height: auto;
  margin: 0 auto 16px;
}
.logo-large img, .logo-large svg { width: 100%; height: auto; }

.logo-small {
  width: 120px;
  height: auto;
  flex-shrink: 0;
}
.logo-small img, .logo-small svg { width: 100%; height: auto; }

/* === Buttons === */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border: 2px solid var(--border-green);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--text);
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}
.btn:hover { background: #f0f7e8; }

.btn-primary {
  background: var(--green);
  color: #fff;
  border-color: var(--green);
}
.btn-primary:hover {
  background: var(--green-dark);
  border-color: var(--green-dark);
}
.btn-primary:disabled {
  opacity: 0.5;
  cursor: default;
}

.btn-outline {
  background: transparent;
  color: var(--green);
  border-color: var(--green);
}
.btn-outline:hover { background: #f0f7e8; }

.btn-icon-only {
  width: 44px;
  height: 44px;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 700;
  border-radius: 50%;
}

.btn-close {
  border-color: var(--text-secondary);
  color: var(--text-secondary);
  font-size: 18px;
}
.btn-close:hover {
  background: #fde8e4;
  border-color: #e74c3c;
  color: #e74c3c;
}

.btn-sm { padding: 6px 14px; font-size: 13px; }

.btn-proceed {
  padding: 12px 28px;
  font-size: 15px;
  border-radius: var(--radius);
}

.btn-icon {
  display: inline-block;
  width: 18px;
  height: 18px;
}
.btn-icon svg { width: 100%; height: 100%; }

.btn-danger {
  background: transparent;
  border-color: #e74c3c;
  color: #e74c3c;
}
.btn-danger:hover { background: #fde8e4; }

/* === Shared form controls === */

.control-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 10px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.control-label {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-secondary);
  margin: 0;
}

.row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.inline-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 500;
}

.input-sm {
  padding: 4px 6px;
  border-radius: 6px;
  border: 1px solid var(--border);
  font-family: inherit;
  font-size: 13px;
  width: 70px;
  background: var(--surface);
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  cursor: pointer;
}

.range-input {
  width: 100%;
  accent-color: var(--green);
}

.range-label {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 12px;
  color: var(--text-secondary);
}

/* === File input labels === */

.file-input-label {
  display: flex;
  align-items: center;
  padding: 10px 16px;
  border: 2px dashed var(--border);
  border-radius: var(--radius-sm);
  background: var(--surface);
  cursor: pointer;
  font-size: 14px;
  color: var(--text-secondary);
  transition: border-color 0.15s;
  min-width: 220px;
}
.file-input-label:hover { border-color: var(--green); }
.file-input-label.has-file {
  border-color: var(--green);
  color: var(--text);
  border-style: solid;
}

.hint {
  font-size: 12px;
  color: var(--text-secondary);
}

/* =====================================================================
   PAGE 1: START
   ===================================================================== */

#page-start {
  justify-content: center;
  align-items: center;
}

.start-center {
  text-align: center;
  max-width: 500px;
  width: 100%;
  padding: 32px;
}

.start-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 40px;
}

.start-actions {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.start-row {
  display: flex;
  gap: 12px;
  align-items: center;
}

/* =====================================================================
   PAGE 2: FARM AREA SELECTION
   ===================================================================== */

.page-top {
  padding: 12px 24px;
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
  border-bottom: 1px solid var(--border);
  background: var(--surface);
}

.page-top-title {
  font-size: 16px;
  font-weight: 700;
  color: var(--green-dark);
}

.page-body {
  flex: 1;
  overflow: auto;
  display: flex;
  align-items: stretch;
  padding: 0;
}

.page-bottom {
  padding: 12px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-shrink: 0;
  border-top: 1px solid var(--border);
  background: var(--surface);
}

.bottom-left { display: flex; gap: 8px; }
.bottom-right { display: flex; gap: 8px; }

/* Farm area sidebar */

.farm-area-sidebar {
  width: 240px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  border-right: 1px solid var(--border);
  background: var(--surface);
  overflow-y: auto;
}

.farm-area-body {
  flex-direction: row;
}

/* === Grid === */

.grid-stage {
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: auto;
  flex: 1;
  padding: 16px;
}

.grid-wrap {
  position: relative;
  display: inline-block;
}

.grid-bg {
  position: absolute;
  top: 0;
  left: 0;
  height: auto;
  pointer-events: none;
  z-index: 0;
  border-radius: var(--radius);
  display: none;
}

.grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 2px;
  --cell-size: 30px;
  padding: 0;
  border-radius: var(--radius);
  width: fit-content;
  border: 2px solid var(--border-green);
}

.cell {
  width: var(--cell-size);
  height: var(--cell-size);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 600;
  color: var(--text);
  background: rgba(255, 255, 255, 0.6);
  user-select: none;
  cursor: pointer;
  transition: background 0.1s;
  border: 1px solid rgba(103, 148, 54, 0.15);
}
.cell:hover {
  outline: 2px solid var(--green);
  outline-offset: -2px;
  z-index: 3;
}
.cell.invalid { background: rgba(232, 232, 232, 0.85); }
.cell.invalid:hover { outline-color: #bbb; }
.cell.farm-cell { background: rgba(232, 245, 224, 0.5); }
.cell.unassigned { background: rgba(250, 253, 247, 0.4); }
.cell.plot {
  font-size: 9px; font-weight: 700;
  color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}
.cell.plot-selected {
  outline: 3px solid var(--green-dark);
  outline-offset: -1px;
  z-index: 2;
}
.cell.plot-highlighted {
  outline: 3px solid #FFD700;
  outline-offset: -1px;
  z-index: 2;
  animation: pulse-highlight 1.5s ease-in-out infinite;
}
@keyframes pulse-highlight {
  0%, 100% { outline-color: #FFD700; }
  50% { outline-color: #FFA500; }
}
.cell.planted {
  font-size: 8px; font-weight: 700;
  color: #fff; text-shadow: 0 1px 2px rgba(0,0,0,0.4);
}
.cell.plot-empty {
  background: rgba(245, 245, 240, 0.6);
  color: #bbb;
  font-size: 9px;
}

/* =====================================================================
   PAGE 3: PLOT DELINEATION
   ===================================================================== */

.plots-body {
  flex-direction: row;
  align-items: stretch;
}

.plots-sidebar {
  width: 230px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 12px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  overflow-y: auto;
}

.sidebar-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--green-dark);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--border);
}

.plot-legend {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow-y: auto;
}

.plot-legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 2px solid transparent;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.1s;
}
.plot-legend-item:hover { background: #f0f7e8; }
.plot-legend-item.selected {
  border-color: var(--green);
  background: #e8f5e0;
}

.plot-swatch {
  width: 18px; height: 18px;
  border-radius: 5px;
  flex-shrink: 0;
  border: 1px solid rgba(0,0,0,0.1);
}
.plot-legend-item .plot-name { flex: 1; font-size: 13px; }
.plot-legend-item .plot-name-input {
  flex: 1; font-size: 13px; border: none; background: transparent;
  font-family: inherit; font-weight: 500; color: var(--text);
  outline: none; padding: 0; border-bottom: 1px solid var(--border);
}
.plot-legend-item small { color: var(--text-secondary); font-size: 11px; }

.plots-buttons {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-top: 8px;
  border-top: 1px solid var(--border);
}

/* =====================================================================
   PAGE 4: MAIN PAGE
   ===================================================================== */

.main-layout {
  display: grid;
  grid-template-columns: 260px 1fr;
  grid-template-rows: auto 1fr auto;
  height: 100vh;
}

.main-notes {
  grid-column: 1; grid-row: 1;
  padding: 16px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  border-right: 1px solid var(--border);
  max-height: 200px;
  overflow-y: auto;
}
.notes-title {
  font-size: 14px; font-weight: 700;
  color: var(--green-dark); margin-bottom: 8px;
}
.notes-content {
  font-size: 13px; line-height: 1.5;
  color: var(--text-secondary);
}
.notes-content .note-plant {
  display: flex; align-items: center; gap: 8px; padding: 4px 0;
}
.notes-content .note-plant-chip {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  font-size: 12px; font-weight: 600; color: #fff;
}

.main-top-right {
  grid-column: 2; grid-row: 1;
  padding: 12px 20px;
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.main-sidebar {
  grid-column: 1; grid-row: 2;
  overflow-y: auto;
  border-right: 1px solid var(--border);
  background: var(--surface);
}
.history-panel { padding: 16px; }
.history-title {
  font-size: 14px; font-weight: 700;
  color: var(--green-dark); margin-bottom: 12px;
}
.history-tree {
  display: flex; flex-direction: column; gap: 4px;
}
.history-year {
  font-size: 14px; font-weight: 700; color: var(--text);
  padding: 8px 10px; cursor: pointer;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; gap: 6px;
}
.history-year:hover { background: #f0f7e8; }
.history-year .arrow {
  font-size: 10px; transition: transform 0.2s;
}
.history-year.expanded .arrow { transform: rotate(90deg); }
.history-dates {
  display: none; flex-direction: column;
  padding-left: 20px; gap: 2px;
}
.history-dates.open { display: flex; }
.history-date-item {
  font-size: 12px; padding: 6px 10px;
  border-radius: var(--radius-sm);
  cursor: pointer; color: var(--text-secondary);
}
.history-date-item:hover { background: #f0f7e8; color: var(--text); }
.history-date-item.active {
  background: #e8f5e0; color: var(--green-dark); font-weight: 600;
}

.main-grid-area {
  grid-column: 2; grid-row: 2;
  display: flex; align-items: center; justify-content: center;
  overflow: auto; padding: 24px;
}

.main-bottom-left {
  grid-column: 1; grid-row: 3;
  padding: 12px 20px;
  display: flex; align-items: center;
  border-right: 1px solid var(--border);
  border-top: 1px solid var(--border);
  background: var(--surface);
}

/* =====================================================================
   PAGE 5: SUGGESTIONS
   ===================================================================== */

.suggestions-layout {
  display: flex; flex-direction: column; height: 100vh;
}
.suggestions-top {
  display: flex; align-items: center; gap: 16px;
  padding: 12px 24px;
  border-bottom: 2px solid var(--border);
  background: var(--surface);
  flex-shrink: 0;
}
.time-slider-wrap {
  flex: 1; display: flex; align-items: center; gap: 16px;
}
.time-slider-wrap input[type="range"] {
  flex: 1; height: 8px;
  -webkit-appearance: none; appearance: none;
  border-radius: 4px; outline: none; background: #222;
}
.time-slider-wrap input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green); border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2); cursor: pointer;
}
.time-slider-wrap input[type="range"]::-moz-range-thumb {
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--green); border: 3px solid #fff;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2); cursor: pointer;
}
.slider-date {
  font-size: 14px; font-weight: 700; color: var(--green-dark);
  min-width: 80px; text-align: center;
  padding: 6px 12px; background: #f0f7e8;
  border-radius: var(--radius-sm);
}

.suggestions-body {
  flex: 1; display: flex; overflow: hidden; min-height: 0;
}
.suggestions-sidebar {
  width: 260px; flex-shrink: 0;
  display: flex; flex-direction: column; gap: 8px;
  padding: 12px;
  border-right: 2px solid var(--border);
  background: var(--surface);
  overflow-y: auto;
}
.sidebar-subtitle {
  font-size: 13px; font-weight: 700; color: var(--green-dark);
  margin-top: 4px; padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
}
.sidebar-subtitle small {
  font-weight: 400; color: var(--text-secondary);
}

.plant-search-wrap {
  display: flex; align-items: center; gap: 8px;
  padding: 8px 12px;
  border: 2px solid var(--border);
  border-radius: var(--radius-sm); background: var(--surface);
}
.plant-search-wrap:focus-within { border-color: var(--green); }
.search-icon { width: 18px; height: 18px; flex-shrink: 0; opacity: 0.5; }
.search-icon svg { width: 100%; height: 100%; }
.plant-search {
  border: none; outline: none; font-family: inherit;
  font-size: 14px; width: 100%; background: transparent;
}
.plant-select {
  width: 100%; border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  font-family: inherit; font-size: 13px; padding: 4px;
  background: var(--surface);
}
.plant-select option { padding: 4px 8px; }
.plant-select:focus { border-color: var(--green); outline: none; }

/* Suggestions main area (grid + results scrollable) */

.suggestions-main {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 16px;
  gap: 24px;
  min-height: 0;
}

.suggestions-main .grid-stage {
  flex-shrink: 0;
  min-height: 750px;
}

/* === Plant list (drag/drop) === */

.plant-list {
  display: flex; flex-direction: column; gap: 3px;
  flex: 1; overflow-y: auto; min-height: 60px;
}
.plant-item {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 8px;
  background: var(--surface); border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: grab; font-size: 12px; font-weight: 500;
  transition: all 0.1s;
}
.plant-item:active { cursor: grabbing; }
.plant-item.drag-over { border-color: var(--green); background: #e8f5e0; }
.plant-item .plant-rank {
  font-size: 11px; color: var(--text-secondary); min-width: 16px;
}
.plant-item .plant-color-dot {
  width: 10px; height: 10px; border-radius: 50%; flex-shrink: 0;
}
.plant-item .plant-name { flex: 1; }
.plant-item .plant-delete {
  background: none; border: none; cursor: pointer;
  font-size: 14px; color: #ccc; padding: 0 2px; line-height: 1;
}
.plant-item .plant-delete:hover { color: #e74c3c; }

.plan-status {
  font-size: 12px; color: var(--text-secondary); min-height: 18px;
}

/* === Results section === */

.results-section {
  width: 100%;
  max-width: 900px;
}
.results-heading {
  font-size: 14px; font-weight: 700; color: var(--green-dark);
  margin: 16px 0 8px; padding-bottom: 6px;
  border-bottom: 1px solid var(--border);
}
.plan-summary {
  font-size: 13px; padding: 10px 14px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

/* Plot timelines */
.tl-plot {
  margin-bottom: 8px; padding: 8px 12px;
  background: var(--surface); border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}
.tl-plot ul {
  list-style: none; margin: 4px 0 0; display: flex;
  flex-direction: column; gap: 3px;
}
.tl-plot li { font-size: 12px; padding: 2px 0; }
.tl-plot em { color: var(--text-secondary); font-size: 11px; }

.plant-chip {
  display: inline-block; padding: 2px 8px;
  border-radius: 5px; font-size: 12px; font-weight: 600;
  color: #fff;
}

/* Adjacency events */
#adjacency-events ul {
  list-style: none; display: flex;
  flex-direction: column; gap: 4px;
}
#adjacency-events li {
  padding: 6px 10px; border-radius: var(--radius-sm);
  font-size: 12px; border: 1px solid var(--border);
}
#adjacency-events li.compat { background: #e8f5e4; border-color: #b4d9a8; }
#adjacency-events li.incompat { background: #fde8e4; border-color: #e8b4a8; }
#adjacency-events li.neutral { background: #f5f1e8; }

/* Compatibility matrix */
.matrix {
  border-collapse: collapse; font-size: 12px; margin-top: 4px;
}
.matrix th, .matrix td {
  padding: 5px 7px; text-align: center;
  border: 1px solid var(--border); min-width: 48px;
}
.matrix th {
  background: var(--bg); font-weight: 600; color: var(--text);
}
.matrix td.self { background: #eee; color: #aaa; }
.matrix td.compat { background: #ddf3d5; color: #2e6a1e; font-weight: 600; }
.matrix td.incompat { background: #fcddd7; color: #8b3a20; font-weight: 600; }
.matrix td.neutral { background: #fff; color: #888; }

/* === File bar === */

.file-bar {
  position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 10px;
  padding: 8px 16px;
  background: var(--surface); border: 2px solid var(--border);
  border-radius: var(--radius); box-shadow: var(--shadow);
  z-index: 100;
}

/* =====================================================================
   Responsive
   ===================================================================== */

@media (max-width: 768px) {
  .main-layout {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto 1fr auto;
  }
  .main-notes { grid-column: 1; grid-row: 1; border-right: none; }
  .main-top-right { grid-column: 1; grid-row: 1; position: absolute; right: 0; top: 0; }
  .main-sidebar { grid-column: 1; grid-row: 2; border-right: none; border-bottom: 1px solid var(--border); max-height: 200px; }
  .main-grid-area { grid-column: 1; grid-row: 3; }
  .main-bottom-left { grid-column: 1; grid-row: 4; border-right: none; }

  .plots-body { flex-direction: column; }
  .plots-sidebar { width: 100%; max-height: 200px; }

  .farm-area-body { flex-direction: column; }
  .farm-area-sidebar { width: 100%; max-height: 180px; flex-direction: row; flex-wrap: wrap; }

  .suggestions-sidebar { width: 200px; }

  .start-row { flex-direction: column; }
  .file-input-label { min-width: unset; width: 100%; }
}