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

:root {
  --bg: #0f0f13;
  --bg-card: #1a1a24;
  --bg-card-hover: #22222e;
  --border: #2a2a38;
  --text: #e8e8f0;
  --text-muted: #6b6b85;
  --text-soft: #9494b0;
  --primary: #b84fce;
  --primary-glow: rgba(184,79,206,0.25);
  --pink: #ff6b9d;
  --orange: #ff9d4d;
  --green: #4dffb4;
  --purple: #7c5cbf;
  --success: #2dd4a0;
  --error: #ff4d6d;
  --warning: #ffb347;
  --sidebar-w: 230px;
  --radius: 14px;
  --radius-sm: 8px;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Inter', sans-serif;
  display: flex;
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}

/* -- SIDEBAR -- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--bg-card);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  height: 100vh;
  top: 0;
  left: 0;
  z-index: 100;
  padding: 0 0 16px 0;
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 24px 20px 20px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
}

.logo-icon { font-size: 24px; }
.logo-text {
  font-size: 18px;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--pink));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 0 10px;
  flex: 1;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  color: var(--text-soft);
  text-decoration: none;
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.2s;
  cursor: pointer;
}

.nav-item:hover {
  background: var(--bg-card-hover);
  color: var(--text);
}

.nav-item.active {
  background: var(--primary-glow);
  color: var(--primary);
  border: 1px solid rgba(184,79,206,0.3);
}

.nav-icon { font-size: 16px; min-width: 20px; text-align: center; }

.sidebar-footer {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 20px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background 0.3s;
}
.status-dot.online { background: var(--success); box-shadow: 0 0 6px var(--success); }
.status-dot.offline { background: var(--error); box-shadow: 0 0 6px var(--error); }

/* -- MAIN -- */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  padding: 28px;
  overflow-y: auto;
}

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

.page-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
}

.page-header h1 {
  font-size: 22px;
  font-weight: 700;
}

/* -- STATS CARDS -- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 24px;
}

@media (max-width: 1100px) { .stats-grid { grid-template-columns: repeat(2,1fr); } }

.stat-card {
  border-radius: var(--radius);
  padding: 22px 20px;
  position: relative;
  overflow: hidden;
}

.gradient-pink { background: linear-gradient(135deg, #3d1040, #6b1a5a); border: 1px solid rgba(255,107,157,0.3); }
.gradient-purple { background: linear-gradient(135deg, #1e1040, #3a1a6b); border: 1px solid rgba(124,92,191,0.3); }
.gradient-orange { background: linear-gradient(135deg, #3d2010, #6b3a1a); border: 1px solid rgba(255,157,77,0.3); }
.gradient-green { background: linear-gradient(135deg, #0d3d2a, #1a6b4a); border: 1px solid rgba(77,255,180,0.3); }

.stat-icon { font-size: 24px; margin-bottom: 8px; opacity: 0.9; }
.stat-value { font-size: 32px; font-weight: 800; line-height: 1; margin-bottom: 4px; }
.stat-label { font-size: 12px; color: rgba(255,255,255,0.6); font-weight: 500; text-transform: uppercase; letter-spacing: 0.5px; }

/* -- CARDS -- */
.cards-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}

.card h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-soft);
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* -- TABLE -- */
.table-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.table { width: 100%; border-collapse: collapse; }

.table th {
  background: rgba(255,255,255,0.03);
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
}

.table td {
  padding: 12px 16px;
  border-bottom: 1px solid rgba(255,255,255,0.04);
  color: var(--text);
  font-size: 13px;
}

.table tr:last-child td { border-bottom: none; }
.table tr:hover td { background: rgba(255,255,255,0.02); }

/* -- BUTTONS -- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 18px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all 0.2s;
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #8b2fc9);
  color: white;
  box-shadow: 0 4px 15px var(--primary-glow);
}
.btn-primary:hover { transform: translateY(-1px); box-shadow: 0 6px 20px var(--primary-glow); }

.btn-secondary { background: var(--bg-card-hover); color: var(--text); border: 1px solid var(--border); }
.btn-secondary:hover { border-color: var(--primary); color: var(--primary); }

.btn-ghost { background: transparent; color: var(--text-soft); }
.btn-ghost:hover { color: var(--text); }

.btn-danger { background: rgba(255,77,109,0.15); color: var(--error); border: 1px solid rgba(255,77,109,0.3); }
.btn-danger:hover { background: rgba(255,77,109,0.25); }

.btn-sm { padding: 5px 10px; font-size: 12px; }
.full-width { width: 100%; justify-content: center; }
.mt-2 { margin-top: 12px; }

/* -- BADGES -- */
.badge {
  display: inline-flex;
  padding: 3px 8px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}
.badge-active { background: rgba(45,212,160,0.15); color: var(--success); }
.badge-inactive { background: rgba(255,77,109,0.15); color: var(--error); }
.badge-queued { background: rgba(124,92,191,0.2); color: #a07ee0; }
.badge-posted { background: rgba(45,212,160,0.15); color: var(--success); }
.badge-failed { background: rgba(255,77,109,0.15); color: var(--error); }
.badge-fashion { background: rgba(255,107,157,0.15); color: var(--pink); }
.badge-home { background: rgba(255,157,77,0.15); color: var(--orange); }

/* -- FORMS -- */
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 12px; font-weight: 600; color: var(--text-soft); margin-bottom: 6px; text-transform: uppercase; letter-spacing: 0.4px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

.input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 12px;
  color: var(--text);
  font-size: 13px;
  font-family: 'Inter', sans-serif;
  transition: border-color 0.2s;
  outline: none;
}
.input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }
.input::placeholder { color: var(--text-muted); }

/* -- MODAL -- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  z-index: 200;
  align-items: center;
  justify-content: center;
}
.modal-overlay.open { display: flex; }

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 24px;
  min-width: 420px;
  max-width: 540px;
  width: 90%;
  box-shadow: 0 25px 60px rgba(0,0,0,0.5);
  animation: modalIn 0.2s ease;
}

@keyframes modalIn {
  from { opacity: 0; transform: scale(0.95) translateY(10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
.modal-header h2 { font-size: 16px; font-weight: 700; }
.modal-close { background: none; border: none; color: var(--text-muted); font-size: 18px; cursor: pointer; padding: 4px; }
.modal-close:hover { color: var(--text); }

.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

/* -- FILTER BAR -- */
.filter-bar {
  display: flex;
  gap: 8px;
  margin-bottom: 16px;
}
.filter-btn {
  padding: 6px 14px;
  border-radius: 20px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text-soft);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.filter-btn.active { background: var(--primary-glow); color: var(--primary); border-color: rgba(184,79,206,0.4); }
.filter-btn:hover:not(.active) { border-color: var(--text-muted); color: var(--text); }

/* -- PRODUCTS GRID -- */
.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.product-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform 0.2s, border-color 0.2s;
}
.product-card:hover { transform: translateY(-2px); border-color: var(--primary); }

.product-img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--bg);
}
.product-img-placeholder {
  width: 100%;
  height: 180px;
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  color: var(--text-muted);
}

.product-info { padding: 14px; }
.product-name { font-size: 12px; font-weight: 600; margin-bottom: 6px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.product-price { font-size: 15px; font-weight: 700; color: var(--pink); margin-bottom: 4px; }
.product-original { font-size: 11px; color: var(--text-muted); text-decoration: line-through; }
.product-commission { font-size: 11px; color: var(--success); margin-bottom: 8px; }

/* -- CONFIG GRID -- */
.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}

.config-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
}
.config-card label { display: block; font-size: 12px; font-weight: 700; color: var(--text-soft); margin-bottom: 4px; text-transform: uppercase; letter-spacing: 0.4px; }
.config-card .config-desc { font-size: 11px; color: var(--text-muted); margin-bottom: 10px; }
.config-save-btn { margin-top: 10px; }

/* -- QR CODE -- */
.qr-container { text-align: center; }
.qr-placeholder {
  width: 220px;
  height: 220px;
  margin: 0 auto 12px;
  background: var(--bg);
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  font-size: 12px;
  text-align: center;
  padding: 20px;
}
.qr-placeholder span { line-height: 1.6; }
#qrCode img { border-radius: var(--radius); border: 3px solid var(--primary); }

/* -- RECENT LIST -- */
.recent-list { display: flex; flex-direction: column; gap: 8px; }
.recent-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  font-size: 12px;
}
.recent-icon { font-size: 16px; min-width: 20px; text-align: center; }
.recent-text { flex: 1; color: var(--text-soft); }
.recent-time { color: var(--text-muted); font-size: 11px; }

/* -- TOAST -- */
.toast-container {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 500;
}
.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px 16px;
  min-width: 280px;
  font-size: 13px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.4);
  animation: slideUp 0.3s ease;
  display: flex;
  align-items: center;
  gap: 10px;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error { border-left: 3px solid var(--error); }
.toast.info { border-left: 3px solid var(--primary); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* -- MINI CHART -- */
.mini-chart { display: flex; align-items: flex-end; gap: 4px; height: 80px; }
.chart-bar { flex: 1; background: linear-gradient(to top, var(--primary), var(--pink)); border-radius: 4px 4px 0 0; min-height: 4px; transition: height 0.5s ease; position: relative; }
.chart-bar:hover::after { content: attr(data-value); position: absolute; top: -24px; left: 50%; transform: translateX(-50%); background: var(--bg-card); border: 1px solid var(--border); padding: 2px 6px; border-radius: 4px; font-size: 11px; white-space: nowrap; }

/* -- TEST RESULT -- */
.test-result {
  margin-top: 12px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  display: none;
}
.test-result.success { background: rgba(45,212,160,0.1); border: 1px solid rgba(45,212,160,0.3); color: var(--success); display: block; }
.test-result.error { background: rgba(255,77,109,0.1); border: 1px solid rgba(255,77,109,0.3); color: var(--error); display: block; }

/* -- INSTANCE CARDS -- */
.instance-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background: var(--bg);
  border-radius: var(--radius-sm);
  margin-bottom: 8px;
  border: 1px solid var(--border);
}
.instance-name { font-weight: 600; font-size: 13px; }
.instance-status { font-size: 12px; }
.instance-status.open { color: var(--success); }
.instance-status.close { color: var(--error); }
.instance-status.connecting { color: var(--warning); }

scrollbar-width: thin;
scrollbar-color: var(--border) transparent;
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }