/* ─── Reset & Base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg-deep:    #080d18;
  --bg-card:    rgba(255,255,255,0.04);
  --bg-card2:   rgba(255,255,255,0.07);
  --border:     rgba(255,255,255,0.08);
  --border2:    rgba(255,255,255,0.14);
  --accent1:    #3b7dd8;
  --accent2:    #6c5ce7;
  --accent-g:   linear-gradient(135deg, #3b7dd8, #6c5ce7);
  --success:    #00c896;
  --warning:    #f4a535;
  --danger:     #e05c5c;
  --text:       #e8eaf0;
  --text-muted: #7a82a0;
  --text-dim:   #4a5270;
  --radius:     12px;
  --radius-sm:  8px;
  --shadow-lg:  0 24px 48px rgba(0,0,0,0.5);
  --shadow-md:  0 8px 24px rgba(0,0,0,0.35);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, sans-serif;
  background: var(--bg-deep);
  color: var(--text);
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse 60% 40% at 20% 0%, rgba(59,125,216,0.12) 0%, transparent 60%),
    radial-gradient(ellipse 50% 40% at 80% 100%, rgba(108,92,231,0.1) 0%, transparent 60%);
}

/* ─── Header ───────────────────────────────────────────────────────────── */
#app-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(8,13,24,0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  max-width: 1200px; margin: 0 auto;
  padding: 12px 24px;
  display: flex; align-items: center; justify-content: space-between;
}
.header-brand {
  display: flex; align-items: center; gap: 14px;
}
.header-brand img {
  height: 44px; width: auto;
  filter: drop-shadow(0 2px 8px rgba(59,125,216,0.4));
}
.header-brand h1 {
  font-size: 18px; font-weight: 700;
  background: var(--accent-g); -webkit-background-clip: text; -webkit-text-fill-color: transparent;
}
.header-brand p { font-size: 11px; color: var(--text-muted); }

/* ─── Step Nav ─────────────────────────────────────────────────────────── */
#steps-nav {
  display: flex; align-items: center; justify-content: center;
  gap: 0; padding: 20px 24px;
  max-width: 600px; margin: 0 auto;
}
.step {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  cursor: default; transition: opacity 0.3s;
}
.step-num {
  width: 36px; height: 36px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 14px;
  background: var(--bg-card); border: 2px solid var(--border2);
  color: var(--text-muted);
  transition: all 0.3s;
}
.step span { font-size: 11px; font-weight: 500; color: var(--text-muted); transition: color 0.3s; }
.step.active .step-num {
  background: var(--accent-g); border-color: transparent;
  color: #fff; box-shadow: 0 0 20px rgba(59,125,216,0.5);
}
.step.active span { color: var(--text); }
.step.done .step-num { background: var(--success); border-color: transparent; color: #fff; }
.step.done span { color: var(--success); }
.step-connector {
  flex: 1; height: 2px; margin: 0 8px; margin-bottom: 22px;
  background: var(--border2);
  transition: background 0.3s;
}
.step-connector.done { background: var(--success); }

/* ─── Main / Panels ────────────────────────────────────────────────────── */
#app-main { max-width: 1200px; margin: 0 auto; padding: 0 24px 80px; }
.step-panel { display: none; animation: fadeIn 0.35s ease; }
.step-panel.active { display: block; }
@keyframes fadeIn { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:none; } }

.panel-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 24px;
}
.panel-header h2 { font-size: 22px; font-weight: 700; }

/* ─── Mode Toggle ──────────────────────────────────────────────────────── */
.mode-toggle {
  display: flex; background: var(--bg-card); border: 1px solid var(--border);
  border-radius: 8px; overflow: hidden;
}
.mode-btn {
  padding: 6px 18px; border: none; background: none;
  color: var(--text-muted); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: all 0.2s;
}
.mode-btn.active { background: var(--accent-g); color: #fff; }

/* ─── Drop Zone ────────────────────────────────────────────────────────── */
#drop-zone {
  border: 2px dashed var(--border2);
  border-radius: var(--radius);
  background: var(--bg-card);
  transition: all 0.25s;
  margin-bottom: 24px;
}
#drop-zone.drag-over {
  border-color: var(--accent1);
  background: rgba(59,125,216,0.08);
}
.drop-zone-inner {
  display: flex; flex-direction: column; align-items: center;
  padding: 64px 32px; gap: 12px; text-align: center;
}
.drop-icon svg { width: 64px; height: 64px; stroke: var(--text-dim); }
.drop-zone-inner h3 { font-size: 18px; font-weight: 600; }
.drop-zone-inner p { color: var(--text-muted); font-size: 13px; }
.drop-actions { display: flex; gap: 12px; margin-top: 8px; }

/* ─── Import Preview ───────────────────────────────────────────────────── */
.preview-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 16px;
}
.preview-toolbar span { font-weight: 600; color: var(--accent1); }

.thumb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
  gap: 10px; margin-bottom: 24px;
}
.thumb-item {
  aspect-ratio: 1; border-radius: var(--radius-sm);
  overflow: hidden; background: var(--bg-card);
  border: 1px solid var(--border); position: relative;
}
.thumb-item img { width: 100%; height: 100%; object-fit: cover; }
.thumb-item .thumb-name {
  position: absolute; bottom: 0; left: 0; right: 0;
  padding: 3px 5px; font-size: 9px; color: #fff;
  background: rgba(0,0,0,0.6); white-space: nowrap;
  overflow: hidden; text-overflow: ellipsis;
}

/* ─── Options Bar ──────────────────────────────────────────────────────── */
.options-bar {
  display: flex; flex-wrap: wrap; gap: 20px; align-items: center;
  padding: 16px 20px; margin-bottom: 24px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius);
}
.option-group { display: flex; flex-direction: column; gap: 6px; }
.option-group label { font-size: 12px; font-weight: 500; color: var(--text-muted); }

input[type="range"] {
  -webkit-appearance: none; appearance: none;
  width: 140px; height: 4px;
  background: var(--border2); border-radius: 4px; outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none; appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent1); cursor: pointer;
  box-shadow: 0 0 8px rgba(59,125,216,0.5);
}

/* Toggle */
.toggle-label {
  display: flex; align-items: center; gap: 10px;
  cursor: pointer; font-size: 13px; font-weight: 500; color: var(--text);
  user-select: none; white-space: nowrap;
}
.toggle-label input[type="checkbox"] { display: none; }
.toggle-track {
  width: 40px; height: 22px; border-radius: 11px;
  background: #333a50; position: relative;
  transition: background 0.2s; flex-shrink: 0;
  border: 1px solid rgba(255,255,255,0.1);
}
.toggle-track::after {
  content: ''; position: absolute;
  width: 16px; height: 16px; border-radius: 50%;
  background: #fff; top: 3px; left: 3px;
  transition: transform 0.2s;
}
.toggle-label input:checked + .toggle-track { background: var(--accent1); }
.toggle-label input:checked + .toggle-track::after { transform: translateX(18px); }

/* ─── Process Grid ─────────────────────────────────────────────────────── */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: 16px; margin-bottom: 24px;
}
.process-card {
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
  transition: border-color 0.2s, transform 0.2s;
}
.process-card:hover { border-color: var(--border2); transform: translateY(-2px); }
.process-card-images {
  display: grid; grid-template-columns: 1fr 1fr;
  height: 240px;
}
.process-card-images .img-pane {
  position: relative; overflow: hidden; background: #1a1a2e;
}
.process-card-images .img-pane img {
  width: 100%; height: 100%; object-fit: contain;
}
.process-card-images .img-pane .pane-label {
  position: absolute; top: 6px; left: 6px;
  font-size: 9px; font-weight: 700; text-transform: uppercase;
  padding: 2px 6px; border-radius: 4px;
  background: rgba(0,0,0,0.6); color: var(--text-muted);
  letter-spacing: 0.5px;
}
.process-card-images .img-divider { width: 1px; background: var(--border); }
.process-card-body { padding: 12px 14px; }
.process-card-name {
  font-size: 11px; color: var(--text-muted);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  margin-bottom: 8px;
}
.process-card-actions { display: flex; gap: 8px; }
.process-status {
  display: flex; align-items: center; gap: 6px;
  font-size: 12px; margin-top: 8px; min-height: 20px;
}
.status-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--text-dim); flex-shrink: 0;
}
.status-dot.processing { background: var(--warning); animation: pulse 1s infinite; }
.status-dot.done { background: var(--success); }
.status-dot.error { background: var(--danger); }
@keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.3; } }

/* ─── Editor Modal ─────────────────────────────────────────────────────── */
.editor-box {
  position: relative; z-index: 1;
  width: 96vw; max-width: 1100px;
  background: #0e1528; border: 1px solid var(--border2);
  border-radius: 16px; box-shadow: var(--shadow-lg);
  display: flex; flex-direction: column;
  max-height: 95vh; overflow: hidden;
  animation: slideUp 0.3s ease;
}
.editor-top {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.editor-top span { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.editor-top-actions { display: flex; gap: 8px; }
.editor-body {
  display: grid; grid-template-columns: 1fr 220px;
  flex: 1; overflow: hidden;
}
.editor-preview-wrap {
  position: relative; overflow: hidden;
  background: repeating-conic-gradient(#1a1a2e 0% 25%, #232840 0% 50%) 0 0 / 24px 24px;
  display: flex; align-items: center; justify-content: center;
}
.editor-preview-wrap.preview-white { background: #fff !important; }
.editor-preview-wrap canvas {
  max-width: 100%; max-height: calc(95vh - 120px);
  object-fit: contain; display: block;
}
.ed-wm-draggable {
  position: absolute;
  cursor: grab; user-select: none;
  filter: drop-shadow(0 2px 4px rgba(0,0,0,0.3));
  touch-action: none;
}
.ed-wm-draggable:active { cursor: grabbing; }
.editor-sidebar {
  padding: 16px; border-left: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 12px;
  overflow-y: auto; background: rgba(0,0,0,0.2);
}
.editor-sidebar .form-group { margin-bottom: 0; }
.editor-sidebar .toggle-label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 12px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border);
  border-radius: 8px;
  margin: 4px 0;
  width: 100%;
  box-sizing: border-box;
}
.editor-sidebar .toggle-label:hover {
  background: rgba(255,255,255,0.06);
}
.editor-tool-group {
  display: flex; gap: 8px; margin-bottom: 16px;
}
.btn-tool {
  flex: 1; background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-muted); padding: 10px; border-radius: 8px;
  font-size: 18px; cursor: pointer; transition: all 0.2s;
}
.btn-tool:hover { background: var(--border); }
.btn-tool.active { 
  background: var(--accent); 
  color: #fff; 
  border-color: var(--accent);
  box-shadow: 0 0 12px rgba(59, 125, 216, 0.4);
}

.editor-preview-wrap.mode-crop { cursor: crosshair; }
.editor-preview-wrap.mode-lasso { cursor: crosshair; }
.editor-preview-wrap.mode-erase { cursor: crosshair; }
.editor-preview-wrap.mode-move { cursor: default; }
.editor-preview-wrap.mode-nudge { cursor: move; }

#ed-zoom-container {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  transform-origin: 0 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.selection-box {
  position: absolute; border: 2px dashed var(--accent);
  background: rgba(59, 125, 216, 0.15); pointer-events: none;
  z-index: 10;
}
.editor-sidebar label { font-size: 12px; color: var(--text-muted); display: block; margin-bottom: 6px; }
.editor-sidebar input[type="range"] { width: 100%; }
.editor-hint {
  font-size: 11px; color: var(--text-dim); text-align: center;
  margin-top: auto; padding-top: 12px; line-height: 1.5;
}


/* ─── Upload Grid ──────────────────────────────────────────────────────── */
.upload-grid {
  display: flex; flex-direction: column; gap: 12px;
  margin-bottom: 24px;
}
.upload-row {
  display: grid;
  grid-template-columns: 80px 1fr 200px 160px auto;
  gap: 16px; align-items: center;
  padding: 12px 16px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: border-color 0.2s;
}
.upload-row:hover { border-color: var(--border2); }
.upload-row img { width: 80px; height: 80px; object-fit: contain; border-radius: var(--radius-sm); background: #1a1a2e; }
.upload-row-info .filename { font-size: 12px; color: var(--text-muted); margin-bottom: 4px; word-break: break-all; }
.sku-input-wrap { display: flex; flex-direction: column; gap: 6px; }
.sku-input-wrap label { font-size: 11px; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; }
.sku-search-row { display: flex; gap: 6px; }
.upload-row-status { display: flex; flex-direction: column; gap: 4px; }
.upload-status-text { font-size: 12px; }
.product-match { font-size: 11px; color: var(--success); }
.product-nomatch { font-size: 11px; color: var(--danger); }
.upload-progress {
  height: 4px; border-radius: 4px; background: var(--border2);
  overflow: hidden;
}
.upload-progress-bar { height: 100%; background: var(--accent-g); transition: width 0.3s; }

/* ─── Upload Log ───────────────────────────────────────────────────────── */
#upload-log {
  margin-top: 32px; padding: 20px;
  background: var(--bg-card); border: 1px solid var(--border);
  border-radius: var(--radius);
}
#upload-log h3 { font-size: 14px; font-weight: 600; margin-bottom: 12px; color: var(--text-muted); }
#log-entries { display: flex; flex-direction: column; gap: 6px; font-size: 12px; font-family: 'Courier New', monospace; max-height: 240px; overflow-y: auto; }
.log-entry { padding: 4px 8px; border-radius: 4px; }
.log-entry.info { color: var(--text-muted); }
.log-entry.success { color: var(--success); background: rgba(0,200,150,0.06); }
.log-entry.error { color: var(--danger); background: rgba(224,92,92,0.06); }

/* ─── Buttons ──────────────────────────────────────────────────────────── */
.btn-primary {
  padding: 9px 20px; border-radius: var(--radius-sm);
  background: var(--accent-g); color: #fff; border: none;
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: opacity 0.2s, transform 0.15s, box-shadow 0.2s;
  box-shadow: 0 4px 16px rgba(59,125,216,0.3);
}
.btn-primary:hover { opacity: 0.9; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(59,125,216,0.45); }
.btn-primary:active { transform: none; }

.btn-secondary {
  padding: 9px 20px; border-radius: var(--radius-sm);
  background: var(--bg-card2); color: var(--text);
  border: 1px solid var(--border2);
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: all 0.2s;
}
.btn-secondary:hover { background: rgba(255,255,255,0.12); border-color: var(--accent1); }

.btn-success {
  padding: 9px 20px; border-radius: var(--radius-sm);
  background: var(--success); color: #fff; border: none;
  font-size: 13px; font-weight: 600; cursor: pointer;
  transition: all 0.2s; box-shadow: 0 4px 16px rgba(0,200,150,0.3);
}
.btn-success:hover { opacity: 0.9; transform: translateY(-1px); }

.btn-ghost {
  padding: 9px 16px; border-radius: var(--radius-sm);
  background: none; color: var(--text-muted);
  border: 1px solid transparent;
  font-size: 13px; cursor: pointer; transition: all 0.2s;
}
.btn-ghost:hover { color: var(--text); border-color: var(--border2); background: var(--bg-card); }

.btn-icon {
  width: 38px; height: 38px; border-radius: var(--radius-sm);
  background: var(--bg-card); border: 1px solid var(--border);
  color: var(--text-muted); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.2s; font-size: 16px;
}
.btn-icon svg { width: 18px; height: 18px; }
.btn-icon:hover { color: var(--text); border-color: var(--border2); background: var(--bg-card2); }

.btn-sm { padding: 6px 12px !important; font-size: 12px !important; }
.btn-lg { padding: 12px 28px !important; font-size: 15px !important; }

.btn-danger-outline {
  padding: 9px 20px; border-radius: var(--radius-sm);
  background: rgba(224,92,92,0.05); color: var(--danger);
  border: 1px solid rgba(224,92,92,0.3);
  font-size: 13px; font-weight: 500; cursor: pointer;
  transition: all 0.2s;
}
.btn-danger-outline:hover { background: rgba(224,92,92,0.12); border-color: var(--danger); }

.step-actions {
  display: flex; gap: 12px; align-items: center;
  justify-content: flex-end; margin-top: 8px;
}

/* ─── Inputs ────────────────────────────────────────────────────────────── */
input[type="text"], input[type="url"], input[type="password"] {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--border2); border-radius: var(--radius-sm);
  color: var(--text); font-size: 13px; font-family: inherit;
  padding: 9px 12px; width: 100%; outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
}
input[type="text"]:focus,
input[type="url"]:focus,
input[type="password"]:focus {
  border-color: var(--accent1);
  box-shadow: 0 0 0 3px rgba(59,125,216,0.15);
}
input::placeholder { color: var(--text-dim); }

.sku-input { width: 100%; }

/* ─── Settings Modal ───────────────────────────────────────────────────── */
.modal { position: fixed; inset: 0; z-index: 1000; display: flex; align-items: center; justify-content: center; }
.modal.hidden { display: none; }
.modal-backdrop { position: absolute; inset: 0; background: rgba(0,0,0,0.7); backdrop-filter: blur(4px); }
.modal-content {
  position: relative; z-index: 1;
  width: min(560px, 96vw);
  background: #0e1528; border: 1px solid var(--border2);
  border-radius: 16px; box-shadow: var(--shadow-lg);
  animation: slideUp 0.3s ease;
  max-height: 90vh; display: flex; flex-direction: column;
}
@keyframes slideUp { from { opacity:0; transform:translateY(20px); } to { opacity:1; transform:none; } }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px; border-bottom: 1px solid var(--border);
}
.modal-header h2 { font-size: 18px; font-weight: 700; }
.modal-body { padding: 24px; overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 28px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; }

.settings-section h3 {
  font-size: 13px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px;
  color: var(--accent1); margin-bottom: 16px;
}
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.form-group label { font-size: 12px; font-weight: 500; color: var(--text-muted); }
.form-group small { font-size: 11px; color: var(--text-dim); }
.input-reveal-row { position: relative; }
.input-reveal-row input { padding-right: 40px; }
.btn-reveal {
  position: absolute; right: 10px; bottom: 8px;
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 14px; padding: 0;
}

.watermark-row {
  display: flex; align-items: center; gap: 12px;
}
.watermark-row img {
  height: 60px; width: auto; max-width: 120px;
  border-radius: var(--radius-sm); border: 1px solid var(--border);
  background: white; object-fit: contain; padding: 4px;
}

#api-status { margin-top: 10px; font-size: 12px; min-height: 18px; }
#api-status.ok { color: var(--success); }
#api-status.err { color: var(--danger); }

/* ─── Utility ──────────────────────────────────────────────────────────── */
.hidden { display: none !important; }
 
/* ─── Custom Tooltips ─────────────────────────────────────────────────── */
.custom-tooltip {
  position: fixed;
  z-index: 9999;
  background: rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border2);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  font-size: 11px;
  line-height: 1.4;
  max-width: 200px;
  pointer-events: none;
  box-shadow: var(--shadow-md);
  opacity: 0;
  transform: translateY(4px);
  transition: opacity 0.2s, transform 0.2s;
}
.custom-tooltip.visible {
  opacity: 1;
  transform: none;
}
.custom-tooltip::after {
  content: '';
  position: absolute;
  border: 6px solid transparent;
}
/* Bottom placement (arrow on top) */
.custom-tooltip.pos-bottom::after {
  bottom: 100%; left: 50%; transform: translateX(-50%);
  border-bottom-color: var(--border2);
}
/* Top placement (arrow on bottom) */
.custom-tooltip.pos-top::after {
  top: 100%; left: 50%; transform: translateX(-50%);
  border-top-color: var(--border2);
}

/* ─── Editor Loader ──────────────────────────────────────────────────── */
.editor-loader {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  backdrop-filter: blur(2px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: white;
  gap: 12px;
  z-index: 20;
  border-radius: var(--radius-md);
}
.spinner {
  width: 24px; height: 24px;
  border: 3px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to { transform: rotate(360deg); }
}