html, body {
  margin: 0;
  padding: 0;
  font-family: Arial, sans-serif;
  background: #111827;
  height: 100%;
  overflow: hidden;
  color: #F1F5F9;
}

/* Layout */
.container {
  max-width: 600px;
  margin: 40px auto;
  background: #1F2937;
  border-radius: 12px;
  padding: 20px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
  height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  border: 1px solid #0EA5E9;
}

h2 {
  margin-top: 0;
  font-size: 22px;
  color: #38BDF8;
  display: flex;
  align-items: center;
  gap: 8px;
}

input[type="text"] {
  width: 100%;
  padding: 10px;
  font-size: 14px;
  border: 1px solid #38BDF8;
  border-radius: 6px;
  margin-bottom: 10px;
  background: #0F172A;
  color: #F1F5F9;
}

input::placeholder { color: #94A3B8; }

/* Refine row */
.refine-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: -6px 0 6px; /* tight under main input */
}
.refine-plus {
  user-select: none;
  font-weight: 700;
  color: #A5B4FC;
  padding: 0 6px;
}
.refine-row input[type="text"] {
  margin-bottom: 4px;
  border-color: #64748B;
}

#brandStats {
  font-size: 14px;
  color: #94A3B8;
  margin: 6px 0 10px;
}

/* result count line */
.result-count {
  margin: 6px 0 10px;
  font-size: 13px;
  color: #A5B4FC;
  opacity: 0.95;
}

#brandResults {
  flex: 1;
  overflow-y: auto;
  padding-right: 6px;
}

/* Cards */
.brand-card {
  border: 1px solid #334155;
  padding: 10px;
  border-radius: 6px;
  background: #1E293B;
  margin-bottom: 8px;
  cursor: pointer;
  transition: background 0.2s ease;
  color: #F1F5F9;
}
.brand-card:hover { background-color: #0EA5E9; }
.brand-card.selected { background-color: #06B6D4; font-weight: bold; }

/* Toast */
#toast {
  visibility: hidden;
  min-width: 200px;
  background-color: #0EA5E9;
  color: #ffffff;
  text-align: center;
  border-radius: 4px;
  padding: 10px 16px;
  position: fixed;
  z-index: 9999;
  left: 50%;
  bottom: 30px;
  font-size: 14px;
  transform: translateX(-50%);
  opacity: 0;
  transition: opacity 0.5s ease, bottom 0.5s ease;
}
#toast.show { visibility: visible; opacity: 1; bottom: 60px; }

/* Tabs / Header */
.tabs {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 20px auto 0;
  max-width: 900px;
  padding: 0 12px;
}
.tab {
  padding: 10px 16px;
  background: #1E293B;
  color: #F1F5F9;
  border: 1px solid #0EA5E9;
  border-radius: 8px;
  cursor: pointer;
  font-weight: bold;
  transition: all 0.2s ease;
}
.tab:hover { background-color: #0EA5E9; color: #fff; }
.tab.active { background-color: #06B6D4; color: #fff; border-color: #06B6D4; }
.tab-spacer { flex: 1 1 auto; }

/* User pill */
.user-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #0B1220;
  border: 1px solid #0EA5E9;
  color: #E2E8F0;
  padding: 8px 12px;
  border-radius: 999px;
  white-space: nowrap;
}
.user-pill-label { color: #A5B4FC; font-weight: 600; }
.user-pill-edit {
  margin-left: 4px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid #334155;
  background: #1E293B;
  color: #E2E8F0;
  cursor: pointer;
}
.user-pill-edit:hover { background: #0EA5E9; color: #0B1220; }

/* Modal */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(2, 6, 23, 0.7);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
}
.modal-backdrop.show { display: flex; }
.modal {
  width: 95%;
  max-width: 420px;
  background: #0F172A;
  border: 1px solid #0EA5E9;
  border-radius: 12px;
  padding: 20px;
  color: #E2E8F0;
  box-shadow: 0 10px 30px rgba(0,0,0,0.5);
}
.modal h3 { margin: 0 0 8px; color: #38BDF8; }
.modal-desc { margin: 0 0 14px; color: #94A3B8; font-size: 14px; }
.modal-input {
  width: 100%;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #0B1220;
  color: #E2E8F0;
  margin-bottom: 12px;
}
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.btn {
  padding: 8px 14px;
  border-radius: 8px;
  border: 1px solid #334155;
  background: #1E293B;
  color: #E2E8F0;
  cursor: pointer;
}
.btn:hover { background: #0EA5E9; color: #0B1220; }
.btn-primary { border-color: #06B6D4; background: #06B6D4; color: #0B1220; }
.btn-primary:hover { background: #22D3EE; }
.error-text { margin-top: 6px; color: #FCA5A5; font-size: 13px; }