/* MultiTrend — Digital Nomad light UI (scoped) */
#multitrend-app {
  --accent: var(--primary);
  --mt-card: #f8fafc;
  --mt-border: var(--border);
  --dim: var(--muted);
  --green: #16a34a;
  --red: #dc2626;
  --amber: #d97706;
  --blue: var(--primary-dark);
  color: var(--text);
  background: var(--surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

#multitrend-app * {
  box-sizing: border-box;
}

#multitrend-app .mt-header {
  background: linear-gradient(135deg, var(--primary-light), #fff);
  border-bottom: 1px solid var(--mt-border);
  padding: 16px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

#multitrend-app .mt-tool-name {
  font-size: 1.25rem;
  font-weight: 800;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: -0.02em;
}

#multitrend-app .mt-ver {
  font-size: 0.7rem;
  background: var(--primary);
  color: #fff;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 700;
}

#multitrend-app .mt-cat-bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--mt-border);
  flex-wrap: wrap;
}

#multitrend-app .mt-cat-bar label {
  font-size: 0.85rem;
  color: var(--dim);
  font-weight: 600;
}

#multitrend-app .mt-cat-bar select {
  background: var(--surface);
  color: var(--text);
  border: 1px solid var(--mt-border);
  padding: 8px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  cursor: pointer;
}

#multitrend-app .cat-badge {
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--mt-border);
}

#multitrend-app .mt-steps {
  display: flex;
  gap: 8px;
  padding: 12px 20px;
  background: var(--bg);
  border-bottom: 1px solid var(--mt-border);
  flex-wrap: wrap;
}

#multitrend-app .mt-step-btn {
  background: var(--surface);
  border: 1px solid var(--mt-border);
  color: var(--dim);
  padding: 8px 14px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 600;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

#multitrend-app .mt-step-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}

#multitrend-app .mt-step-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

#multitrend-app .mt-vault-toggle {
  background: var(--surface);
  border: 1px solid var(--mt-border);
  color: var(--primary-dark);
  padding: 8px 16px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.8rem;
  font-weight: 700;
}

#multitrend-app .mt-vault-toggle:hover {
  border-color: var(--primary);
  background: var(--primary-light);
}

#multitrend-app .mt-vault {
  display: none;
  background: var(--bg);
  border-bottom: 1px solid var(--mt-border);
  margin: 0;
  padding: 18px 20px;
}

#multitrend-app .mt-vault.open {
  display: block;
}

#multitrend-app .mt-vault h3 {
  font-size: 0.95rem;
  margin: 0 0 8px;
}

#multitrend-app .mt-vault-note {
  font-size: 0.8rem;
  color: var(--muted);
  margin: 0 0 14px;
  line-height: 1.45;
}

#multitrend-app .mt-vault input[type="password"],
#multitrend-app .mt-vault input[type="text"] {
  background: var(--surface);
  border: 1px solid var(--mt-border);
  color: var(--text);
  padding: 8px 12px;
  border-radius: 8px;
  width: 100%;
  margin-bottom: 8px;
  font-size: 0.85rem;
}

#multitrend-app .mt-vault input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

#multitrend-app .vault-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

#multitrend-app .vault-row label {
  min-width: 80px;
  font-size: 0.8rem;
  color: var(--dim);
  font-weight: 600;
}

#multitrend-app .vault-row input {
  flex: 1;
  min-width: 120px;
}

#multitrend-app .vault-row button {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 0.8rem;
  white-space: nowrap;
  font-weight: 600;
}

#multitrend-app .key-status {
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 10px;
  font-weight: 600;
}

#multitrend-app .key-status.ok {
  background: rgba(34, 197, 94, 0.12);
  color: var(--green);
}

#multitrend-app .key-status.no {
  background: rgba(239, 68, 68, 0.1);
  color: var(--red);
}

#multitrend-app .mt-inner {
  padding: 16px 20px 56px;
}

#multitrend-app .mt-tab-content {
  display: none;
}

#multitrend-app .mt-tab-content.active {
  display: block;
}

#multitrend-app .action-btn {
  background: linear-gradient(135deg, var(--accent), var(--primary-dark));
  color: #fff;
  border: none;
  padding: 10px 20px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 700;
  transition: transform 0.2s, box-shadow 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

#multitrend-app .action-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(56, 189, 248, 0.35);
}

#multitrend-app .action-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

#multitrend-app .action-btn.secondary {
  background: var(--surface);
  border: 1px solid var(--mt-border);
  color: var(--text);
}

#multitrend-app .action-btn.secondary:hover {
  border-color: var(--accent);
}

#multitrend-app .action-btn.sm {
  padding: 6px 12px;
  font-size: 0.75rem;
  border-radius: 8px;
}

#multitrend-app .result-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

#multitrend-app .v-card {
  background: var(--mt-card);
  border: 1px solid var(--mt-border);
  border-radius: 12px;
  padding: 14px;
  transition: border-color 0.2s;
}

#multitrend-app .v-card:hover {
  border-color: var(--accent);
}

#multitrend-app .v-card .thumb {
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: 8px;
  object-fit: cover;
  margin-bottom: 8px;
}

#multitrend-app .v-card .title {
  font-size: 0.85rem;
  font-weight: 700;
  margin-bottom: 6px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

#multitrend-app .v-card .meta {
  font-size: 0.75rem;
  color: var(--dim);
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

#multitrend-app .topic-card {
  background: var(--mt-card);
  border: 2px solid var(--mt-border);
  border-radius: 12px;
  padding: 16px;
  cursor: pointer;
  transition: border-color 0.2s, transform 0.2s;
  margin-bottom: 10px;
  position: relative;
}

#multitrend-app .topic-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

#multitrend-app .topic-card.selected {
  border-color: var(--green);
  background: rgba(34, 197, 94, 0.06);
}

#multitrend-app .topic-card h4 {
  font-size: 0.95rem;
  margin-bottom: 6px;
}

#multitrend-app .topic-card p {
  font-size: 0.8rem;
  color: var(--dim);
  margin-bottom: 4px;
}

#multitrend-app .topic-card .sec-tag {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--mt-border);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.7rem;
  margin: 2px;
}

#multitrend-app .topic-card .sel-badge {
  position: absolute;
  top: 10px;
  right: 10px;
  background: var(--green);
  color: #fff;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 800;
}

#multitrend-app .research-card {
  background: var(--mt-card);
  border: 1px solid var(--mt-border);
  border-radius: 12px;
  padding: 20px;
  margin-bottom: 16px;
}

#multitrend-app .research-card .rc-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 14px;
  flex-wrap: wrap;
  gap: 8px;
}

#multitrend-app .research-card .rc-header h3 {
  font-size: 1rem;
  color: var(--accent);
  margin: 0;
}

#multitrend-app .research-card .rc-btns {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

#multitrend-app .research-box {
  line-height: 1.75;
}

#multitrend-app .research-box h1,
#multitrend-app .research-box h2 {
  color: var(--accent);
  margin: 20px 0 10px;
}

#multitrend-app .research-box h3 {
  color: var(--amber);
  margin: 16px 0 8px;
}

#multitrend-app .research-box ul {
  margin: 8px 0 8px 20px;
}

#multitrend-app .filter-bar {
  display: flex;
  gap: 8px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 12px;
  padding: 10px;
  background: var(--bg);
  border-radius: 10px;
  border: 1px solid var(--mt-border);
}

#multitrend-app .filter-bar select,
#multitrend-app .filter-bar button {
  background: var(--surface);
  border: 1px solid var(--mt-border);
  color: var(--text);
  padding: 6px 10px;
  border-radius: 8px;
  font-size: 0.8rem;
  cursor: pointer;
  font-weight: 600;
}

#multitrend-app .filter-bar button:hover {
  border-color: var(--accent);
}

#multitrend-app .tag {
  display: inline-block;
  background: var(--surface);
  border: 1px solid var(--mt-border);
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
  margin: 1px;
}

#multitrend-app .mt-status-bar {
  position: sticky;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--surface);
  border-top: 1px solid var(--mt-border);
  padding: 8px 20px;
  font-size: 0.75rem;
  color: var(--dim);
  z-index: 50;
}

/* Toasts & loading — global position but styled for light UI */
.toast-box {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}

.toast-box .toast {
  pointer-events: auto;
}

.toast {
  padding: 12px 18px;
  border-radius: 10px;
  font-size: 0.85rem;
  animation: mt-fade-in 0.3s ease;
  max-width: 360px;
  box-shadow: var(--shadow-card);
}

.toast.ok {
  background: rgba(34, 197, 94, 0.12);
  border: 1px solid rgba(34, 197, 94, 0.35);
  color: #15803d;
}

.toast.err {
  background: rgba(239, 68, 68, 0.08);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #b91c1c;
}

.toast.info {
  background: var(--primary-light);
  border: 1px solid #bae6fd;
  color: var(--primary-dark);
}

@keyframes mt-fade-in {
  from {
    opacity: 0;
    transform: translateX(12px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.loading {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.35);
  z-index: 999;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  gap: 16px;
}

.loading.show {
  display: flex;
}

.loading .spinner {
  width: 48px;
  height: 48px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: mt-spin 1s linear infinite;
}

@keyframes mt-spin {
  to {
    transform: rotate(360deg);
  }
}

#multitrend-app .ch-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 4px 10px;
  border-radius: 8px;
  font-size: 0.75rem;
  cursor: pointer;
  transition: border-color 0.2s;
}

#multitrend-app .ch-chip:hover {
  border-color: var(--primary);
}

#multitrend-app .sel-info {
  background: var(--primary-light);
  border: 1px solid #bae6fd;
  border-radius: 10px;
  padding: 10px 14px;
  margin-top: 10px;
  font-size: 0.85rem;
  color: var(--primary-dark);
  font-weight: 600;
}

#multitrend-app .btn-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 12px;
}