/*
 * SellOn Feed Checker Stylesheet - Modern Light Theme (Aligned with sellon.ch)
 */

:root {
  --bg-page: #f8fafc;
  --bg-card: #ffffff;
  --bg-card-hover: #f1f5f9;
  --border-color: #e2e8f0;
  --border-color-hover: #cbd5e1;

  --accent-purple: #8b5cf6;
  --accent-purple-dark: #7c3aed;
  --accent-purple-light: #f3e8ff;
  --accent-purple-border: #ddd6fe;

  --text-main: #0f172a;
  --text-muted: #475569;
  --text-dim: #64748b;

  --emerald: #059669;
  --emerald-bg: #ecfdf5;
  --emerald-border: #a7f3d0;

  --rose: #dc2626;
  --rose-bg: #fef2f2;
  --rose-border: #fecaca;

  --amber: #d97706;
  --amber-bg: #fffbeb;
  --amber-border: #fde68a;

  --purple: #8b5cf6;
  --purple-bg: #f3e8ff;
  --purple-border: #ddd6fe;

  --cyan: #0284c7;
  --cyan-bg: #f0f9ff;
  --cyan-border: #bae6fd;

  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.08);
}

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

body {
  background-color: var(--bg-page);
  color: var(--text-main);
  font-family: var(--font-family);
  line-height: 1.5;
  min-height: 100vh;
  padding: 40px 24px;
}

.app-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

/* Centered Header */
.app-header {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.brand-icon-stack {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-purple);
  background: var(--accent-purple-light);
  border-radius: 12px;
  margin-bottom: 4px;
}

.brand-title {
  font-size: 28px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text-main);
}

.brand-title span {
  color: var(--accent-purple-dark);
}

.brand-sublabel {
  font-size: 15px;
  color: var(--text-muted);
  font-weight: 500;
}

/* Card Container with Integrated Tabs */
.checker-card-wrapper {
  width: 100%;
  display: flex;
  flex-direction: column;
}

/* Tabs Bar */
.card-tabs-bar {
  display: flex;
  gap: 8px;
  padding-left: 4px;
  z-index: 2;
}

.tab-btn {
  background: #e2e8f0;
  border: 1px solid var(--border-color);
  border-bottom: none;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
  color: var(--text-muted);
  padding: 12px 24px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.tab-btn:hover:not(.disabled) {
  color: var(--text-main);
  background: var(--bg-card);
}

.tab-btn.active {
  background: var(--bg-card);
  color: var(--accent-purple-dark);
  border: 2px solid var(--accent-purple-dark);
  border-bottom: none;
  box-shadow: 0 -4px 12px rgba(124, 58, 237, 0.12);
  margin-bottom: -2px;
  padding-bottom: 14px;
}

.tab-btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Card Body */
.card-body {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
  padding: 32px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
  box-shadow: var(--shadow-lg);
}

.tab-btn.active ~ .card-body, .card-tabs-bar:has(.tab-btn.active) + .card-body {
  border-top-color: var(--accent-purple-dark);
}

/* Dropzone */
.dropzone {
  background: #f8fafc;
  border: 2px dashed #cbd5e1;
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  text-align: center;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.dropzone:hover, .dropzone.drag-over {
  border-color: var(--accent-purple);
  background: var(--accent-purple-light);
}

.dropzone-upload-icon {
  width: 48px;
  height: 48px;
  color: var(--accent-purple);
  margin-bottom: 4px;
}

.dropzone-title {
  font-size: 20px;
  font-weight: 800;
  color: var(--text-main);
}

.dropzone-desc {
  font-size: 13px;
  color: var(--text-muted);
}

.file-input {
  display: none;
}

/* Signature Purple Buttons matching sellon.ch */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 26px;
  font-size: 14px;
  font-weight: 700;
  border-radius: 24px;
  border: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-primary {
  background: #8b5cf6;
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(139, 92, 246, 0.4);
}

.btn-primary:hover {
  background: #7c3aed;
  transform: translateY(-1px);
  box-shadow: 0 6px 18px rgba(124, 58, 237, 0.5);
}

/* Metrics Dashboard Grid */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
}

.metric-card {
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 16px;
  text-align: center;
  box-shadow: var(--shadow-sm);
}

.metric-val {
  font-size: 24px;
  font-weight: 800;
}

.metric-card.rows .metric-val { color: #2563eb; }
.metric-card.valid .metric-val { color: var(--emerald); }
.metric-card.errors .metric-val { color: var(--rose); }
.metric-card.warnings .metric-val { color: var(--amber); }
.metric-card.score .metric-val { color: var(--accent-purple-dark); }

.metric-lbl {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Table Toolbar */
.table-toolbar {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.toolbar-top {
  display: flex;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}

.search-box {
  flex: 1;
  min-width: 280px;
}

.text-input, .select-input {
  width: 100%;
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-main);
  padding: 10px 14px;
  font-size: 13px;
  font-family: inherit;
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.text-input:focus, .select-input:focus {
  border-color: var(--accent-purple);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

.stage-control {
  min-width: 260px;
}

.filter-pills {
  display: flex;
  background: #f1f5f9;
  padding: 4px;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.pill-btn {
  background: transparent;
  border: none;
  color: var(--text-muted);
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all 0.2s ease;
}

.pill-btn.active {
  background: #ffffff;
  color: var(--accent-purple-dark);
  box-shadow: var(--shadow-sm);
}

/* Subfilter Category Bar */
.subfilter-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 10px 14px;
  background: #f8fafc;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
}

.subfilter-title {
  font-size: 12px;
  font-weight: 700;
  color: var(--text-muted);
  margin-right: 4px;
}

.subpill-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: #ffffff;
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  padding: 6px 12px;
  font-size: 12px;
  font-weight: 600;
  border-radius: 20px;
  cursor: pointer;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.subpill-btn:hover {
  border-color: var(--accent-purple);
  color: var(--text-main);
}

.subpill-btn.active {
  background: var(--accent-purple-dark);
  color: #ffffff;
  border-color: var(--accent-purple-dark);
  font-weight: 700;
}

.subpill-btn.pill-missing.active { background: var(--rose); color: #fff; border-color: var(--rose); }
.subpill-btn.pill-format.active { background: var(--amber); color: #fff; border-color: var(--amber); }
.subpill-btn.pill-length.active { background: var(--accent-purple-dark); color: #fff; border-color: var(--accent-purple-dark); }

.subpill-count {
  background: rgba(0, 0, 0, 0.08);
  padding: 2px 7px;
  border-radius: 10px;
  font-size: 11px;
}

.subpill-btn.active .subpill-count {
  background: rgba(255, 255, 255, 0.25);
}

/* Data Table */
.table-wrapper {
  background: #ffffff;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

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

.data-table th {
  background: #f8fafc;
  padding: 14px 16px;
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-color);
}

.data-table td {
  padding: 16px;
  border-bottom: 1px solid var(--border-color);
  vertical-align: top;
  font-size: 13px;
}

.data-table tbody tr:hover {
  background: #f8fafc;
}

.empty-state {
  text-align: center;
  padding: 48px 16px;
  color: var(--text-muted);
}

/* Badges & Tags */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.badge-valid { background: var(--emerald-bg); color: var(--emerald); border: 1px solid var(--emerald-border); }
.badge-error { background: var(--rose-bg); color: var(--rose); border: 1px solid var(--rose-border); }
.badge-warning { background: var(--amber-bg); color: var(--amber); border: 1px solid var(--amber-border); }

.issue-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.issue-item {
  background: #f8fafc;
  border-left: 3px solid var(--accent-purple-dark);
  padding: 10px 14px;
  border-radius: 4px;
  border-top: 1px solid #f1f5f9;
  border-right: 1px solid #f1f5f9;
  border-bottom: 1px solid #f1f5f9;
}

.issue-item.sub-missing { border-left-color: var(--rose); }
.issue-item.sub-format { border-left-color: var(--amber); }
.issue-item.sub-length { border-left-color: var(--accent-purple-dark); }
.issue-item.sub-relational { border-left-color: var(--cyan); }

.issue-header {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 12px;
  margin-bottom: 4px;
}

.sub-tag {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 4px;
  margin-left: 6px;
  font-weight: 700;
}

.tag-missing { background: var(--rose-bg); color: var(--rose); }
.tag-format { background: var(--amber-bg); color: var(--amber); }
.tag-length { background: var(--purple-bg); color: var(--purple); }
.tag-relational { background: var(--cyan-bg); color: var(--cyan); }

.issue-msg {
  color: var(--text-main);
  margin-bottom: 4px;
}

.issue-tip {
  font-size: 11px;
  color: var(--accent-purple-dark);
  font-weight: 600;
}

.app-footer {
  text-align: center;
  padding: 20px;
  font-size: 12px;
  color: var(--text-dim);
}