/* GitHub-inspired monochrome design system for ONI Resource Calculator */

:root {
  --bg-canvas: #ffffff;
  --bg-surface: #f6f8fa;
  --bg-subtle: #eaeef2;
  --border-default: #d0d7de;
  --border-muted: #afb8c1;
  --fg-default: #1f2328;
  --fg-muted: #656d76;
  --fg-subtle: #8c959f;
  --accent-primary: #0969da;
  --accent-bg: #ddf4ff;
  --badge-bg: #eff1f3;
  --focus-ring: rgba(9, 105, 218, 0.3);
  --net-bg: #f3f4f6;
  --shadow-sm: 0 1px 3px rgba(31, 35, 40, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg-canvas: #0d1117;
    --bg-surface: #161b22;
    --bg-subtle: #21262d;
    --border-default: #30363d;
    --border-muted: #484f58;
    --fg-default: #e6edf3;
    --fg-muted: #8b949e;
    --fg-subtle: #6e7681;
    --accent-primary: #2f81f7;
    --accent-bg: #0c2d6b;
    --badge-bg: #21262d;
    --focus-ring: rgba(47, 129, 247, 0.4);
    --net-bg: #161b22;
    --shadow-sm: 0 1px 3px rgba(1, 4, 9, 0.5);
  }
}

:root[data-theme="dark"] {
  --bg-canvas: #0d1117;
  --bg-surface: #161b22;
  --bg-subtle: #21262d;
  --border-default: #30363d;
  --border-muted: #484f58;
  --fg-default: #e6edf3;
  --fg-muted: #8b949e;
  --fg-subtle: #6e7681;
  --accent-primary: #2f81f7;
  --accent-bg: #0c2d6b;
  --badge-bg: #21262d;
  --focus-ring: rgba(47, 129, 247, 0.4);
  --net-bg: #161b22;
  --shadow-sm: 0 1px 3px rgba(1, 4, 9, 0.5);
}

:root[data-theme="light"] {
  --bg-canvas: #ffffff;
  --bg-surface: #f6f8fa;
  --bg-subtle: #eaeef2;
  --border-default: #d0d7de;
  --border-muted: #afb8c1;
  --fg-default: #1f2328;
  --fg-muted: #656d76;
  --fg-subtle: #8c959f;
  --accent-primary: #0969da;
  --accent-bg: #ddf4ff;
  --badge-bg: #eff1f3;
  --focus-ring: rgba(9, 105, 218, 0.3);
  --net-bg: #f3f4f6;
  --shadow-sm: 0 1px 3px rgba(31, 35, 40, 0.08);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", Helvetica, Arial, sans-serif;
  font-size: 13px;
  line-height: 1.5;
  color: var(--fg-default);
  background-color: var(--bg-canvas);
  -webkit-font-smoothing: antialiased;
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 16px 20px 48px;
}

/* Header & Toolbar */
.app-header {
  border-bottom: 1px solid var(--border-default);
  padding-bottom: 16px;
  margin-bottom: 16px;
}

.header-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 12px;
}

.brand-wrapper {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.brand-link-clean {
  display: contents;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
}

.brand-link-clean:hover code {
  border-color: var(--accent-primary);
  color: var(--accent-primary);
}

.brand-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--fg-default);
  display: flex;
  align-items: center;
  gap: 8px;
}

.brand-title code {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 14px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  padding: 2px 6px;
  border-radius: 4px;
}

.brand-subtitle {
  font-size: 12px;
  color: var(--fg-muted);
}

.theme-controls {
  display: flex;
  align-items: center;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  padding: 2px;
}

.theme-btn {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  padding: 3px 8px;
  font-size: 11px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
}

.theme-btn.active {
  background: var(--bg-canvas);
  color: var(--fg-default);
  box-shadow: var(--shadow-sm);
}

.toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.toolbar-left, .toolbar-right {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.preset-select {
  background: var(--bg-surface);
  color: var(--fg-default);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  padding: 5px 10px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  outline: none;
}

.segmented-control {
  display: flex;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  padding: 2px;
}

.segmented-btn {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  padding: 4px 10px;
  font-size: 12px;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
}

.segmented-btn.active {
  background: var(--bg-canvas);
  color: var(--fg-default);
  box-shadow: var(--shadow-sm);
}

.toggle-label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--fg-muted);
  cursor: pointer;
  user-select: none;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-surface);
  color: var(--fg-default);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  padding: 5px 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-secondary:hover {
  background: var(--bg-subtle);
}

.btn-copied {
  background: #dafbe1 !important;
  color: #1a7f37 !important;
  border-color: #4ac26b !important;
}

/* Calculator Table */
.calc-table-wrapper {
  border: 1px solid var(--border-default);
  border-radius: 6px;
  overflow: hidden;
  background: var(--bg-canvas);
  box-shadow: var(--shadow-sm);
}

.calc-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.calc-table th {
  background: var(--bg-surface);
  color: var(--fg-muted);
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 8px 14px;
  border-bottom: 1px solid var(--border-default);
}

.calc-table td {
  padding: 10px 14px;
  border-bottom: 1px solid var(--border-default);
  vertical-align: top;
}

.col-machine { width: 44%; }
.col-inputs { width: 28%; }
.col-outputs { width: 28%; }

.calc-row:hover {
  background: var(--bg-surface);
}

.calc-row.dragging {
  opacity: 0.35;
}

.calc-row.drag-over-above {
  border-top: 2px solid var(--accent-primary) !important;
}

.calc-row.drag-over-below {
  border-bottom: 2px solid var(--accent-primary) !important;
}

/* Machine Column Elements */
.machine-col-content {
  display: flex;
  align-items: flex-start;
  gap: 8px;
}

.row-reorder-tab {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
  user-select: none;
  padding-top: 4px;
}

.row-drag-handle {
  cursor: grab;
  color: var(--fg-muted);
  font-size: 13px;
  letter-spacing: -1px;
  padding: 2px 3px;
  border-radius: 3px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background-color 0.15s;
}

.row-drag-handle:hover {
  color: var(--fg-default);
  background: var(--bg-hover);
}

.row-drag-handle:active {
  cursor: grabbing;
}

.row-reorder-buttons {
  display: inline-flex;
  flex-direction: column;
  gap: 1px;
}

.btn-reorder {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  font-size: 8px;
  line-height: 8px;
  padding: 2px;
  cursor: pointer;
  border-radius: 2px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s, background-color 0.15s;
}

.btn-reorder:hover:not(:disabled) {
  color: var(--fg-default);
  background: var(--bg-hover);
}

.btn-reorder:disabled {
  opacity: 0.2;
  cursor: not-allowed;
}

.row-qty-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 2px;
}

.qty-input {
  width: 48px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 3px 4px;
  font-size: 13px;
  font-weight: 600;
  text-align: right;
  color: var(--fg-default);
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-variant-numeric: tabular-nums;
}

.qty-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.qty-unit {
  font-size: 13px;
  font-weight: 600;
  color: var(--fg-muted);
}

.entity-avatar {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.entity-icon {
  width: 28px;
  height: 28px;
  object-fit: contain;
  image-rendering: -webkit-optimize-contrast;
}

.entity-details {
  flex: 1;
  min-width: 0;
}

.entity-heading {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 4px;
}

.entity-name-link {
  font-weight: 600;
  font-size: 13px;
  color: var(--fg-default);
  text-decoration: none;
}

.entity-name-link:hover {
  color: var(--accent-primary);
  text-decoration: underline;
}

.cat-pill {
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
  padding: 1px 5px;
  border-radius: 10px;
  background: var(--badge-bg);
  color: var(--fg-muted);
  border: 1px solid var(--border-default);
}

.recipe-wrapper,
.bathroom-wrapper {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 4px;
}

.field-label {
  font-size: 11px;
  color: var(--fg-muted);
}

.recipe-select,
.bathroom-select {
  background: var(--bg-surface);
  color: var(--fg-default);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 2px 6px;
  font-size: 11px;
  outline: none;
  max-width: 220px;
}

.modifier-checkbox-group {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 6px;
}

.mod-label {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--fg-muted);
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  padding: 1px 6px;
  border-radius: 4px;
  cursor: pointer;
  user-select: none;
}

.mod-label.mod-checked {
  color: var(--fg-default);
  background: var(--accent-bg);
  border-color: var(--accent-primary);
}

.row-subcontrols {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.temp-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 3px;
}

.input-temp-field {
  width: 44px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 1px 4px;
  font-size: 11px;
  color: var(--fg-default);
  text-align: right;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.temp-unit {
  font-size: 11px;
  color: var(--fg-muted);
}

.btn-row-action {
  background: transparent;
  border: none;
  color: var(--fg-subtle);
  font-size: 16px;
  cursor: pointer;
  padding: 2px 4px;
  line-height: 1;
  border-radius: 4px;
  transition: color 0.15s ease, background 0.15s ease;
}

.btn-row-action:hover {
  background: var(--bg-subtle);
}

.btn-delete-row {
  font-size: 18px;
}

.btn-delete-row:hover {
  color: #cf222e;
}

/* Streams (Inputs / Outputs) */
.stream-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  padding: 2px 0;
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--fg-default);
}

.btn-match-stream {
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  color: var(--accent-primary);
  font-size: 11px;
  font-weight: 600;
  font-family: ui-monospace, SFMono-Regular, monospace;
  padding: 1px 6px;
  border-radius: 4px;
  cursor: pointer;
  line-height: 1.2;
  transition: all 0.15s ease;
}

.btn-match-stream:hover {
  background: var(--accent-bg);
  border-color: var(--accent-primary);
}

.badge-matched {
  font-size: 10px;
  font-weight: 600;
  color: #1a7f37;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

:root[data-theme="dark"] .badge-matched {
  color: #3fb950;
}

.stream-subtext {
  font-size: 10px;
  color: var(--fg-muted);
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.stream-icon {
  width: 18px;
  height: 18px;
  object-fit: contain;
  flex-shrink: 0;
}

.icon-fallback {
  width: 18px;
  height: 18px;
  display: inline-block;
  background: var(--bg-subtle);
  border-radius: 3px;
}

.empty-stream {
  color: var(--fg-subtle);
}

/* Add Row Trigger & Autocomplete */
.col-add-trigger {
  padding: 0 !important;
}

.btn-add-row {
  width: 100%;
  padding: 10px 14px;
  background: transparent;
  border: none;
  color: var(--fg-muted);
  font-size: 12px;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
}

.btn-add-row:hover {
  background: var(--bg-surface);
  color: var(--accent-primary);
}

.col-add-active {
  padding: 12px !important;
  background: var(--bg-surface);
}

.autocomplete-card {
  background: var(--bg-canvas);
  border: 1px solid var(--border-default);
  border-radius: 6px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.12);
  overflow: hidden;
}

.autocomplete-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border-default);
  background: var(--bg-surface);
}

.search-input-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.autocomplete-input {
  flex: 1;
  background: var(--bg-canvas);
  color: var(--fg-default);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 6px 10px;
  font-size: 13px;
  outline: none;
}

.autocomplete-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.btn-close-autocomplete {
  background: transparent;
  border: none;
  color: var(--fg-muted);
  font-size: 14px;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
}

.cat-pills-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 8px;
}

.cat-filter-btn {
  background: var(--bg-canvas);
  color: var(--fg-muted);
  border: 1px solid var(--border-default);
  border-radius: 12px;
  padding: 2px 10px;
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
}

.cat-filter-btn.active {
  background: var(--accent-primary);
  color: #ffffff;
  border-color: var(--accent-primary);
}

.autocomplete-dropdown {
  max-height: 280px;
  overflow-y: auto;
}

.autocomplete-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  cursor: pointer;
  border-bottom: 1px solid var(--border-default);
}

.autocomplete-item:last-child {
  border-bottom: none;
}

.autocomplete-item:hover, .autocomplete-item.selected {
  background: var(--bg-surface);
}

.autocomplete-icon {
  width: 24px;
  height: 24px;
  object-fit: contain;
}

.item-name {
  font-weight: 600;
  color: var(--fg-default);
}

.item-preview {
  font-size: 11px;
  color: var(--fg-muted);
}

.autocomplete-empty {
  padding: 16px;
  text-align: center;
  color: var(--fg-muted);
}

/* NET Row */
.net-row {
  background: var(--net-bg);
  border-top: 2px solid var(--border-default);
}

.net-badge-wrapper {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.net-badge {
  font-size: 13px;
  font-weight: 700;
  color: var(--fg-default);
  letter-spacing: 0.5px;
}

.net-subtext {
  font-size: 11px;
  color: var(--fg-muted);
}

.net-stream {
  font-weight: 600;
}

.net-temp-wrapper {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  margin-left: 6px;
  font-weight: normal;
  font-size: 12px;
  color: var(--fg-muted);
}

.net-temp-at {
  font-size: 11px;
  color: var(--fg-muted);
}

.net-temp-input {
  width: 48px;
  background: var(--bg-surface);
  border: 1px solid var(--border-default);
  border-radius: 4px;
  padding: 1px 4px;
  font-size: 11px;
  color: var(--fg-default);
  text-align: right;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.net-temp-input:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 2px var(--focus-ring);
}

.net-temp-unit {
  font-size: 11px;
  color: var(--fg-muted);
}

.net-empty-state {
  color: var(--fg-muted);
  font-style: italic;
  font-size: 12px;
}

/* Toast */
.app-toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: #1f2328;
  color: #ffffff;
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
  opacity: 0;
  transform: translateY(10px);
  transition: all 0.2s ease;
  pointer-events: none;
  z-index: 9999;
}

:root[data-theme="dark"] .app-toast {
  background: #21262d;
  color: #e6edf3;
  border: 1px solid var(--border-default);
}

.app-toast.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Styles for Mobile */
@media (max-width: 768px) {
  .app-container {
    padding: 12px 12px 36px;
  }

  .calc-table thead {
    display: none;
  }

  .calc-table, .calc-table tbody, .calc-table tr, .calc-table td {
    display: block;
    width: 100%;
  }

  .calc-row {
    border-bottom: 2px solid var(--border-default);
    padding: 8px 0;
  }

  .calc-table td {
    padding: 8px 12px;
    border-bottom: 1px dashed var(--border-default);
  }

  .calc-table td:last-child {
    border-bottom: none;
  }

  .col-inputs::before, .col-outputs::before {
    content: attr(data-label) ": ";
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--fg-muted);
    display: block;
    margin-bottom: 4px;
  }

  .net-row {
    display: block;
    border-top: 3px solid var(--border-default);
  }
}