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

:root {
  --bg: #0f1117;
  --bg-card: #1a1d27;
  --bg-hover: #222633;
  --border: #2a2e3d;
  --text: #e4e4e7;
  --text-dim: #8b8fa3;
  --accent: #ff3366;
  --accent-glow: rgba(255, 51, 102, 0.15);
  --green: #00d4aa;
  --yellow: #ffc107;
  --blue: #3b82f6;
  --sidebar-w: 240px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  background: var(--bg);
  color: var(--text);
  display: flex;
  min-height: 100vh;
}

/* Sidebar */
#sidebar {
  width: var(--sidebar-w);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  padding: 20px 0;
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  z-index: 10;
}

.logo { padding: 0 20px 20px; border-bottom: 1px solid var(--border); }
.logo h2 { color: var(--accent); font-size: 24px; letter-spacing: 2px; }
.logo .subtitle { color: var(--text-dim); font-size: 11px; text-transform: uppercase; letter-spacing: 1px; }

#sidebar ul { list-style: none; flex: 1; padding: 10px 0; }
#sidebar li {
  padding: 12px 20px;
  cursor: pointer;
  color: var(--text-dim);
  transition: all 0.2s;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
#sidebar li:hover { background: var(--bg-hover); color: var(--text); }
#sidebar li.active { color: var(--accent); background: var(--accent-glow); border-right: 3px solid var(--accent); }
#sidebar li .icon { font-size: 10px; }

.sidebar-footer { padding: 15px 20px; border-top: 1px solid var(--border); }
.sidebar-footer select { width: 100%; margin-top: 10px; padding: 8px; background: var(--bg); color: var(--text); border: 1px solid var(--border); border-radius: 6px; }

/* Main Content */
#content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 30px;
  max-width: 1200px;
}

h1 { font-size: 28px; margin-bottom: 25px; }
h2 { font-size: 18px; margin-bottom: 15px; color: var(--text-dim); }

.page { display: none; }
.page.active { display: block; }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 30px; }
.stat-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  text-align: center;
}
.stat-card.accent { border-color: var(--accent); background: var(--accent-glow); }
.stat-value { font-size: 36px; font-weight: 700; color: var(--green); }
.stat-card.accent .stat-value { color: var(--accent); }
.stat-label { color: var(--text-dim); font-size: 13px; margin-top: 5px; text-transform: uppercase; letter-spacing: 1px; }

/* Section */
.section { margin-bottom: 30px; }

/* Product Grid */
.product-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 16px; }
.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  cursor: pointer;
  transition: all 0.2s;
}
.product-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.product-card .rank { color: var(--accent); font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; }
.product-card .title { font-size: 16px; font-weight: 600; margin: 8px 0; }
.product-card .meta { display: flex; gap: 15px; color: var(--text-dim); font-size: 13px; }
.product-card .meta .value { color: var(--green); font-weight: 600; }
.product-card .tags { display: flex; gap: 6px; margin-top: 10px; flex-wrap: wrap; }
.product-card .tag {
  background: var(--bg-hover);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 11px;
  color: var(--text-dim);
}

/* Pipeline Bar */
.pipeline-bar {
  display: flex;
  gap: 2px;
  background: var(--bg-card);
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--border);
}
.pipeline-bar .step {
  flex: 1;
  padding: 15px;
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  background: var(--bg-card);
  transition: all 0.3s;
}
.pipeline-bar .step.active { background: var(--accent); color: white; }
.pipeline-bar .step.done { background: var(--green); color: var(--bg); }

/* Table */
table { width: 100%; border-collapse: collapse; }
thead th {
  text-align: left;
  padding: 12px 15px;
  border-bottom: 2px solid var(--border);
  color: var(--text-dim);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 1px;
}
tbody tr {
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background 0.15s;
}
tbody tr:hover { background: var(--bg-hover); }
tbody td { padding: 12px 15px; font-size: 14px; }

/* Filters */
.filters { display: flex; gap: 12px; margin-bottom: 20px; }
.filters input, .filters select {
  padding: 10px 14px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  font-size: 14px;
}
.filters input { flex: 1; }

/* Buttons */
.btn-primary {
  background: var(--accent);
  color: white;
  border: none;
  padding: 10px 20px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  width: 100%;
  transition: opacity 0.2s;
}
.btn-primary:hover { opacity: 0.9; }

/* Settings */
.settings-section {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  margin-bottom: 20px;
}
.setting-row {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-bottom: 12px;
}
.setting-row label { flex: 0 0 200px; color: var(--text-dim); font-size: 14px; }
.setting-row input, .setting-row select {
  padding: 8px 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 14px;
  width: 120px;
}
.settings-section .btn-primary { width: auto; margin-top: 10px; }

/* Modal */
.modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}
.modal.hidden { display: none; }
.modal-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 30px;
  max-width: 800px;
  width: 90%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
}
.modal-close {
  position: absolute;
  top: 15px;
  right: 15px;
  background: none;
  border: none;
  color: var(--text-dim);
  font-size: 24px;
  cursor: pointer;
}

/* Score badge */
.score-badge {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 13px;
  font-weight: 700;
}
.score-high { background: rgba(0,212,170,0.15); color: var(--green); }
.score-mid { background: rgba(255,193,7,0.15); color: var(--yellow); }
.score-low { background: rgba(255,51,102,0.15); color: var(--accent); }

/* Margin badge */
.margin-badge { font-weight: 700; }
.margin-great { color: var(--green); }
.margin-good { color: var(--yellow); }
.margin-ok { color: var(--text-dim); }

/* Status badge */
.status-badge {
  padding: 3px 10px;
  border-radius: 12px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.status-draft { background: var(--bg-hover); color: var(--text-dim); }
.status-approved { background: rgba(0,212,170,0.15); color: var(--green); }
.status-rejected { background: rgba(255,51,102,0.15); color: var(--accent); }

/* Responsive */
@media (max-width: 768px) {
  #sidebar { width: 60px; }
  #sidebar .logo .subtitle, #sidebar li span:not(.icon), .sidebar-footer { display: none; }
  #content { margin-left: 60px; padding: 15px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}