/**
 * Product Upload - Styles
 *
 * @package AskCollab Product Upload
 * @version 1.0.0
 */

/* ========================================
BASE STYLES & DESIGN TOKENS
======================================== */
:root {
  --m3-navy: #001d35;
  --m3-emerald: #00875a;
  --m3-gold: #b45309;
  --m3-secondary: #535f70;
  --m3-surface: #f1f4f9;
  --m3-white: #ffffff;
  --m3-border: #c4c6d0;
  --m3-dashed: #8c939d;
  
  --radius-xl: 32px;
  --radius-md: 16px;
  
  --font-human: 'Plus Jakarta Sans', sans-serif;
  --font-machine: 'IBM Plex Mono', monospace;
  
  --space-xs: 4px;
  --space-sm: 8px;
  --space-md: 16px;
  --space-lg: 24px;
  --space-xl: 40px;
}

.acpu-product-upload {
  font-family: var(--font-human);
  color: var(--m3-navy);
  background: var(--m3-white);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding: var(--space-lg);
  max-width: 1400px;
  margin: 0 auto;
}

.acpu-product-upload * { box-sizing: border-box; margin: 0; padding: 0; }

/* TYPOGRAPHY HIERARCHY */
.acpu-product-upload .mono { font-family: var(--font-machine); letter-spacing: -0.02em; }
.acpu-product-upload .human { font-family: var(--font-human); }

.acpu-product-upload h1, .acpu-product-upload h2, .acpu-product-upload h3 { font-weight: 800; line-height: 1.1; color: var(--m3-navy); }

.acpu-product-upload .page-header { margin-bottom: var(--space-xl); }
.acpu-product-upload .page-title { font-size: 3.25rem; letter-spacing: -0.02em; margin-bottom: var(--space-sm); }
.acpu-product-upload .page-desc { font-size: 1.125rem; color: var(--m3-secondary); max-width: 600px; }

/* INTELLIGENCE SNAPSHOT PATTERN */
.acpu-product-upload .snapshot-row {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); margin-bottom: var(--space-xl);
}

.acpu-product-upload .snapshot-card {
  background: var(--m3-surface); border: 1px solid var(--m3-border); border-radius: var(--radius-md);
  padding: var(--space-md); display: flex; flex-direction: column; gap: 6px;
}

.acpu-product-upload .snap-label { font-size: 0.6875rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; color: var(--m3-secondary); }
.acpu-product-upload .snap-value { font-size: 1.375rem; font-weight: 800; font-family: var(--font-machine); color: var(--m3-navy); }
.acpu-product-upload .snap-insight { font-size: 0.8125rem; color: var(--m3-secondary); line-height: 1.3; }

/* LAYOUT GRID: ASYMMETRIC SPLIT */
.acpu-product-upload .upload-grid {
  display: grid; grid-template-columns: 280px 1fr; gap: var(--space-xl); align-items: start;
}

/* STICKY LEFT COLUMN */
.acpu-product-upload .sticky-sidebar {
  position: sticky; top: 40px; display: flex; flex-direction: column; gap: var(--space-lg);
}

.acpu-product-upload .preview-card {
  border: 1px dashed var(--m3-dashed); border-radius: var(--radius-xl); background: var(--m3-surface);
  aspect-ratio: 9/16; display: flex; align-items: center; justify-content: center; flex-direction: column; gap: var(--space-sm); color: var(--m3-secondary);
}

.acpu-product-upload .status-summary {
  border: 1px solid var(--m3-border); border-radius: var(--radius-md); padding: var(--space-md); background: var(--m3-white);
}

.acpu-product-upload .status-row {
  display: flex; justify-content: space-between; margin-bottom: var(--space-sm); font-size: 0.875rem;
  border-bottom: 1px dashed var(--m3-border); padding-bottom: var(--space-xs);
}
.acpu-product-upload .status-row:last-child { border: none; margin: 0; padding: 0; }

.acpu-product-upload .primary-action-btn {
  background: var(--m3-navy); color: var(--m3-white); border: none; border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg); font-weight: 700; font-size: 1rem; cursor: pointer;
  transition: all 0.2s; width: 100%; text-align: center; box-shadow: 0 4px 12px rgba(0, 29, 53, 0.15);
}

.acpu-product-upload .primary-action-btn:hover { background: #002a4a; transform: translateY(-2px); }
.acpu-product-upload .primary-action-btn:disabled { background: var(--m3-secondary); cursor: not-allowed; transform: none; }

/* SCROLLING RIGHT COLUMN */
.acpu-product-upload .scrolling-content {
  display: flex; flex-direction: column; gap: var(--space-lg); padding-bottom: 60px;
}

/* SEGMENTED CARD ANATOMY */
.acpu-product-upload .segmented-card {
  border: 1px solid var(--m3-border); border-radius: var(--radius-xl); overflow: hidden;
  background: var(--m3-white); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
}

.acpu-product-upload .card-header {
  padding: var(--space-lg); border-bottom: 1px dashed var(--m3-dashed);
  display: flex; align-items: center; gap: var(--space-md);
}

.acpu-product-upload .card-header h3 { font-size: 1.25rem; margin: 0; }
.acpu-product-upload .card-icon { 
  width: 40px; height: 40px; background: var(--m3-surface); border-radius: 12px; 
  display: flex; align-items: center; justify-content: center; font-size: 1.25rem;
}

.acpu-product-upload .card-body { padding: var(--space-lg); }

.acpu-product-upload .form-group { margin-bottom: var(--space-lg); }
.acpu-product-upload .form-group:last-child { margin-bottom: 0; }

.acpu-product-upload .form-label { 
  display: block; margin-bottom: var(--space-sm); font-size: 0.875rem; font-weight: 600; color: var(--m3-secondary); 
}

.acpu-product-upload .form-input, .acpu-product-upload .form-select, .acpu-product-upload .form-textarea {
  width: 100%; padding: 12px 16px; border: 1px solid var(--m3-border); border-radius: var(--radius-md);
  font-family: var(--font-human); font-size: 1rem; color: var(--m3-navy); background: var(--m3-white);
  transition: border-color 0.2s; resize: vertical;
}

.acpu-product-upload .form-input:focus, .acpu-product-upload .form-select:focus, .acpu-product-upload .form-textarea:focus { outline: none; border-color: var(--m3-navy); }
.acpu-product-upload .form-textarea { min-height: 80px; }

.acpu-product-upload .input-row { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-md); }
.acpu-product-upload .helper-text { font-size: 0.8125rem; color: var(--m3-secondary); margin-top: var(--space-xs); }
.acpu-product-upload .error-text { font-size: 0.8125rem; color: var(--m3-gold); margin-top: var(--space-xs); font-weight: 600; }

/* UPLOAD ZONE */
.acpu-product-upload .upload-zone {
  border: 2px dashed var(--m3-border); border-radius: var(--radius-md); padding: var(--space-lg);
  text-align: center; background: var(--m3-surface); cursor: pointer; transition: all 0.2s;
}
.acpu-product-upload .upload-zone:hover { border-color: var(--m3-navy); background: #e8ebf0; }

/* TOGGLE BADGES */
.acpu-product-upload .toggle-grid { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.acpu-product-upload .toggle-badge {
  padding: 8px 14px; border: 1px solid var(--m3-border); border-radius: 50px; font-size: 0.8125rem;
  font-weight: 600; color: var(--m3-secondary); cursor: pointer; transition: all 0.2s; background: var(--m3-white);
}
.acpu-product-upload .toggle-badge.active {
  background: var(--m3-navy); color: var(--m3-white); border-color: var(--m3-navy);
}

/* VARIANTS REPEATER */
.acpu-product-upload .variant-row {
  display: flex; gap: var(--space-sm); margin-bottom: var(--space-sm); align-items: center;
}
.acpu-product-upload .variant-row input { flex: 1; }
.acpu-product-upload .btn-icon-sm {
  width: 36px; height: 36px; display: flex; align-items: center; justify-content: center;
  border: 1px solid var(--m3-border); background: var(--m3-white); border-radius: 8px;
  cursor: pointer; color: var(--m3-secondary); transition: all 0.2s;
}
.acpu-product-upload .btn-icon-sm:hover { border-color: var(--m3-navy); color: var(--m3-navy); }
.acpu-product-upload .btn-icon-sm.danger:hover { border-color: var(--m3-gold); color: var(--m3-gold); }

/* DESTINATION LINKS REPEATER */
.acpu-product-upload .dest-row {
  display: grid; grid-template-columns: 140px 1fr 36px; gap: var(--space-sm); margin-bottom: var(--space-sm); align-items: center;
}

/* POOL LOGIC BOX */
.acpu-product-upload .pool-calc {
  background: var(--m3-surface); padding: var(--space-md); border-radius: var(--radius-md);
  margin-top: var(--space-md); border: 1px solid var(--m3-border);
}
.acpu-product-upload .pool-row { display: flex; justify-content: space-between; align-items: center; font-size: 0.9375rem; margin-bottom: 4px; }
.acpu-product-upload .pool-total { font-size: 1.25rem; font-weight: 800; color: var(--m3-navy); margin-top: var(--space-sm); padding-top: var(--space-sm); border-top: 1px dashed var(--m3-border); }

/* PAYMENT MODULE */
.acpu-product-upload .payment-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-lg); margin-top: var(--space-lg); }
.acpu-product-upload .payment-detail-box { background: var(--m3-surface); padding: var(--space-md); border-radius: var(--radius-md); }
.acpu-product-upload .payment-detail-label { font-size: 0.6875rem; font-weight: 700; text-transform: uppercase; color: var(--m3-secondary); margin-bottom: 4px; }
.acpu-product-upload .payment-detail-value { font-size: 1rem; font-weight: 700; color: var(--m3-navy); font-family: var(--font-machine); }
.acpu-product-upload .qr-placeholder {
  width: 100%; height: 120px; background: white; border: 1px solid var(--m3-border); border-radius: 12px; display: flex; align-items: center; justify-content: center; margin-bottom: var(--space-md);
}

/* CONNECTOR */
.acpu-product-upload .card-connector {
  padding: var(--space-sm) var(--space-lg); background: var(--m3-surface); border-top: 1px dashed var(--m3-dashed);
  font-size: 0.75rem; color: var(--m3-secondary); display: flex; justify-content: space-between;
}

/* ========================================
RESPONSIVE BREAKPOINTS
======================================== */
@media (max-width: 1024px) {
  .acpu-product-upload .snapshot-row { grid-template-columns: repeat(2, 1fr); }
  .acpu-product-upload .upload-grid { grid-template-columns: 1fr; }
  .acpu-product-upload .sticky-sidebar { position: relative; top: 0; flex-direction: row; flex-wrap: wrap; }
  .acpu-product-upload .preview-card { width: 120px; aspect-ratio: 9/16; }
  .acpu-product-upload .status-summary { flex: 1; min-width: 200px; }
  .acpu-product-upload .primary-action-btn { width: auto; padding: 10px 20px; }
  .acpu-product-upload .payment-grid { grid-template-columns: 1fr; }
}

@media (max-width: 640px) {
  .acpu-product-upload .snapshot-row { grid-template-columns: 1fr; }
  .acpu-product-upload .input-row, .acpu-product-upload .dest-row { grid-template-columns: 1fr; }
  .acpu-product-upload { padding: var(--space-md); }
  .acpu-product-upload .page-title { font-size: 2rem; }
}

/* ========================================
ANIMATIONS
======================================== */
@keyframes acpu-pulse {
  0% { opacity: 1; }
  50% { opacity: 0.6; }
  100% { opacity: 1; }
}
@keyframes acpu-spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* ========================================
UTILITY CLASSES
======================================== */
.acpu-product-upload .acpu-hidden { display: none !important; }
.acpu-product-upload .acpu-visible { display: block !important; }
.acpu-product-upload .acpu-loading { animation: acpu-pulse 1.5s infinite ease-in-out; pointer-events: none; }
.acpu-product-upload .acpu-spinner::after {
  content: ""; display: inline-block; width: 16px; height: 16px; border: 2px solid currentColor;
  border-radius: 50%; border-top-color: transparent; animation: acpu-spin 0.6s linear infinite; vertical-align: middle; margin-right: 8px;
}