/* ==========================================================================
   Universal Uploader v0.1 - Sharp Brutalist Architectural Grid
   Strict Font Sizes: 10px, 13px, 30px
   Sizing & Colors matched exactly to USM Builder for seamless UX
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Courier+Prime:wght@400;700&family=Inter:wght@400;500;600;700&display=swap');

:root {
  /* Warm Atelier / Light Theme (Matched to USM Builder) */
  --bg-app: #f6f5f0;           /* Soft warm alabaster */
  --bg-card: #ffffff;          /* Pristine paper white */
  --border: #e4e2db;           /* Soft warm grey outline */
  --border-focus: #1f483c;     /* Deep Pine Green */
  
  --text-main: #1a231f;        /* Deep forest charcoal */
  --text-dim: #56615a;         /* Muted sage grey */
  --accent: #1f483c;           /* Editorial Deep Pine Green */
  --accent-soft: rgba(31, 72, 60, 0.06);
  
  --radius: 0px;               /* Sharp wireframe brutalist look */
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono: 'Courier Prime', Courier, monospace;
}

body.dark-mode {
  /* Midnight Studio / Dark Theme (Matched to USM Builder) */
  --bg-app: #0e1210;           /* Pure carbon black */
  --bg-card: #161c19;          /* Deep slate charcoal */
  --border: #2b3530;           /* Slate border */
  --border-focus: #67c29d;     /* Mint sage green */
  
  --text-main: #f2f4f2;        /* Linen off-white */
  --text-dim: #a3b0a7;         /* Muted silver leaf */
  --accent: #52b18b;           /* Editorial Mint Sage Green */
  --accent-soft: rgba(82, 177, 139, 0.10);
}

/* Base Reset & Brutalist Flat Styles */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  border-radius: 0 !important; /* Forces strict sharp edges */
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-app);
  color: var(--text-main);
  line-height: 1.35;
  -webkit-font-smoothing: antialiased;
}

/* 30px: Brand Title and Header ONLY */
.logo {
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -1.2px;
  color: var(--text-main);
  text-transform: uppercase;
}

.logo .version {
  font-size: 13px; /* strictly 13px */
  font-weight: 400;
  font-family: var(--font-mono);
  vertical-align: super;
  margin-left: 2px;
  text-transform: none;
}

/* Page Layout - Maximum Density, Zero Wasted Spacing */
.app-container {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  padding: 6px 12px; /* extremely tight padding */
  max-width: 1720px;
  margin: 0 auto;
}

.app-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 6px;
}

.app-workspace {
  display: grid;
  grid-template-columns: 380px 1fr; /* narrowed left panel to maximize spreadsheet space */
  gap: 8px;
  align-items: start;
}

/* Panels */
.panel {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.left-panel {
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  padding-right: 2px;
}

.left-panel::-webkit-scrollbar {
  width: 3px;
}
.left-panel::-webkit-scrollbar-thumb {
  background-color: var(--border);
}

/* 13px: Primary Interactive Sizing (Content, Text, Selection Options, Inputs, Buttons) */
body, button, input, select, textarea {
  font-size: 13px;
  font-family: var(--font-sans);
}

/* Form Controls - Super Slim Height and Padding */
input[type="text"], input[type="password"], select, textarea {
  width: 100%;
  padding: 3px 6px; /* Matched to USM builder overrides */
  border: 1px solid var(--border);
  background-color: var(--bg-card);
  color: var(--text-main);
  outline: none;
  font-family: var(--font-sans);
}

input[type="text"]:focus, input[type="password"]:focus, select:focus, textarea:focus {
  border-color: var(--border-focus);
}

textarea {
  resize: vertical;
  line-height: 1.35;
}

/* Action Buttons - Compact Padding */
.action-btn {
  background-color: var(--accent);
  color: var(--bg-card);
  border: 1px solid var(--accent);
  padding: 3px 8px; /* slim architectural buttons */
  font-weight: 600;
  cursor: pointer;
}

.action-btn:hover {
  opacity: 0.95;
}

.action-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.minimal-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-main);
  padding: 3px 8px;
  cursor: pointer;
  font-weight: 500;
}

.minimal-btn:hover {
  border-color: var(--border-focus);
  background-color: var(--accent-soft);
}

/* 10px: Secondary Tags, Labels, Badges, Tables, Columns */
.label-sm, th, .num-badge, .version, .text-dim, .progress-info {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.label-sm {
  display: block;
  margin-bottom: 2px;
  color: var(--text-dim);
}

.text-dim {
  color: var(--text-dim);
}

/* Step Card Spacing override for High Density */
.step-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 8px; /* micro padding */
}

.step-header {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 4px;
}

.num-badge {
  background-color: var(--accent-soft);
  color: var(--text-main);
  padding: 1px 3px;
  font-family: var(--font-mono);
  border: 1px solid var(--border);
}

.step-title {
  font-size: 13px; /* strictly 13px */
  font-weight: 700;
  color: var(--text-main);
}

/* Import Block */
.import-group {
  display: flex;
  gap: 4px;
}

.import-group input {
  flex: 1;
}

/* Config Grid Layout */
.control-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

/* Inline Editor Inner Layout */
.product-picker-row {
  margin-bottom: 4px;
  padding-bottom: 4px;
  border-bottom: 1px dashed var(--border);
}

.editor-fields {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Moebe Radio presets */
.preset-box {
  background-color: var(--bg-app);
  border: 1px solid var(--border);
  padding: 4px 6px;
  margin-top: 2px;
}

.radio-group {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 2px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
  user-select: none;
}

.radio-label input[type="radio"] {
  accent-color: var(--accent);
}

/* Product Stack List */
.product-stack {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.stack-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 6px;
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  cursor: pointer;
}

.stack-item.active {
  border-color: var(--border-focus);
  background-color: var(--accent-soft);
}

.stack-item-info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.stack-item-title {
  font-weight: 600;
  font-size: 13px; /* strictly 13px */
  color: var(--text-main);
}

.stack-item-meta {
  color: var(--text-dim);
  font-family: var(--font-mono);
}

.stack-item-delete {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 2px;
  font-size: 13px; /* strictly 13px */
}

.stack-item-delete:hover {
  color: #cc241d;
}

.clear-btn {
  border-color: #cc241d;
  color: #cc241d;
}
.clear-btn:hover {
  background-color: rgba(204, 36, 29, 0.05);
}

.empty-state {
  text-align: center;
  padding: 6px 0;
  color: var(--text-dim);
  border: 1px dashed var(--border);
}

/* Right Panel Layout & Matrix Spreadsheet */
.preview-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px solid var(--border);
  padding: 4px 8px;
  background-color: var(--bg-card);
}

.actions-left {
  display: flex;
  align-items: center;
  gap: 6px;
}

.actions-right {
  display: flex;
  gap: 4px;
}

/* Spreadsheet Grid Matrix (Matched exactly to USM grid) */
.table-container {
  border: 1px solid var(--border);
  background-color: var(--bg-card);
  max-height: calc(100vh - 120px); /* Fill screen vertical height completely */
  overflow-y: auto;
}

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

.minimal-table th, .minimal-table td {
  padding: 2px 5px !important; /* Exact USM Builder micro padding */
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  vertical-align: middle;
}

.minimal-table th {
  background-color: var(--bg-app);
  color: var(--text-dim);
  font-weight: 700;
  position: sticky;
  top: 0;
  z-index: 5;
  box-shadow: 0 1px 0 var(--border), inset 0 -1px 0 var(--border);
}

.minimal-table td {
  color: var(--text-main);
  white-space: nowrap;
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  font-family: var(--font-sans);
  background-color: var(--bg-card);
}

.minimal-table tr:hover td {
  background-color: var(--accent-soft) !important;
}

.empty-table {
  text-align: center;
  color: var(--text-dim);
  padding: 20px 0 !important;
}

/* Squarespace Sync Card */
.sync-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border);
  padding: 6px 8px;
}

.sync-header {
  margin-bottom: 4px;
}

.sync-form {
  display: flex;
  gap: 4px;
}

.sync-form input {
  flex: 1;
}

/* Progress trackers */
.sync-progress {
  margin-top: 4px;
  border-top: 1px dashed var(--border);
  padding-top: 4px;
}

.progress-info {
  display: flex;
  justify-content: space-between;
  margin-bottom: 2px;
}

.progress-track {
  width: 100%;
  height: 3px;
  background-color: var(--bg-app);
  border: 1px solid var(--border);
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  background-color: var(--text-main);
  transition: width 0.3s ease;
}

/* Toast Alerts */
.toast {
  position: fixed;
  bottom: 12px;
  right: 12px;
  background-color: var(--text-main);
  color: var(--bg-card);
  padding: 6px 12px;
  font-weight: 500;
  z-index: 100;
  border: 1px solid var(--border);
  display: none;
}