/* NexaSource product UI mockup — marketing preview only */

.ns-showcase {
  padding: 3.5rem 0 4rem;
  background: linear-gradient(180deg, var(--off-white) 0%, #eef4fb 55%, var(--white) 100%);
  overflow: hidden;
}

.ns-showcase__header {
  text-align: center;
  max-width: 40rem;
  margin: 0 auto 2.25rem;
}

.ns-showcase__header h2 {
  margin: 0 0 0.65rem;
  font-size: clamp(1.5rem, 3vw, 2rem);
  color: var(--navy);
}

.ns-showcase__header p {
  margin: 0;
  color: var(--gray-500);
  font-size: 1.05rem;
}

.ns-review-banner {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  background: #fef3c7;
  color: #92400e;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.ns-ui-tabs {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.ns-ui-tab {
  border: 1px solid var(--gray-200);
  background: var(--white);
  color: var(--gray-700);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, box-shadow 0.15s;
}

.ns-ui-tab:hover {
  border-color: var(--teal);
  color: var(--teal-dark);
}

.ns-ui-tab.is-active {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--white);
  box-shadow: var(--shadow);
}

.ns-ui-frame {
  max-width: 58rem;
  margin: 0 auto;
  border-radius: 1rem;
  background: var(--white);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgb(11 31 58 / 6%);
  overflow: hidden;
}

.ns-ui-frame__chrome {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.65rem 1rem;
  background: linear-gradient(180deg, #f8fafc, #eef2f7);
  border-bottom: 1px solid var(--gray-200);
}

.ns-ui-dots {
  display: none;
}

.ns-ui-url {
  flex: 1;
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray-500);
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 999px;
  padding: 0.35rem 0.75rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ns-app {
  display: grid;
  grid-template-columns: 13.5rem 1fr;
  min-height: 26rem;
  font-size: 0.8125rem;
  line-height: 1.45;
}

.ns-app__sidebar {
  background: var(--navy);
  color: rgb(255 255 255 / 88%);
  padding: 1rem 0.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.ns-app__brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0 0.35rem 0.85rem;
  margin-bottom: 0.35rem;
  border-bottom: 1px solid rgb(255 255 255 / 10%);
}

.ns-app__brand img {
  width: 2rem;
  height: 2rem;
  border-radius: 0.45rem;
}

.ns-app__brand strong {
  display: block;
  font-size: 0.8125rem;
  color: var(--white);
  letter-spacing: 0.03em;
}

.ns-app__brand span {
  font-size: 0.6875rem;
  color: rgb(255 255 255 / 55%);
}

.ns-app__nav button {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  width: 100%;
  border: none;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  padding: 0.55rem 0.65rem;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: background 0.12s;
}

.ns-app__nav button:hover {
  background: rgb(255 255 255 / 8%);
}

.ns-app__nav button.is-active {
  background: rgb(13 148 136 / 35%);
  color: var(--white);
  font-weight: 600;
}

.ns-app__nav-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1rem;
  height: 1.1rem;
  flex-shrink: 0;
  opacity: 0.85;
}

.ns-app__nav-icon svg {
  width: 1rem;
  height: 1rem;
}

.ns-app__study {
  margin-top: auto;
  padding: 0.75rem 0.65rem 0;
  border-top: 1px solid rgb(255 255 255 / 10%);
  font-size: 0.6875rem;
  color: rgb(255 255 255 / 55%);
}

.ns-app__study strong {
  display: block;
  color: var(--white);
  font-size: 0.75rem;
  margin-bottom: 0.15rem;
}

.ns-app__main {
  background: #f4f7fb;
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.ns-app__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1.1rem;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
}

.ns-app__topbar h3 {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--navy);
}

.ns-app__topbar p {
  margin: 0.15rem 0 0;
  font-size: 0.75rem;
  color: var(--gray-500);
}

.ns-app__topbar-actions {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.ns-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.55rem;
  border-radius: 999px;
  font-size: 0.6875rem;
  font-weight: 600;
}

.ns-pill--live {
  background: #dcfce7;
  color: #166534;
}

.ns-pill--live::before {
  content: "";
  width: 0.4rem;
  height: 0.4rem;
  border-radius: 50%;
  background: #22c55e;
}

.ns-avatar {
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--teal), var(--navy-light));
  color: var(--white);
  font-size: 0.6875rem;
  font-weight: 700;
  display: grid;
  place-items: center;
}

.ns-app__body {
  padding: 1rem 1.1rem 1.25rem;
  flex: 1;
  overflow: auto;
}

.ns-panel {
  display: none;
  animation: nsFadeIn 0.35s ease;
}

.ns-panel.is-active {
  display: block;
}

@keyframes nsFadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.ns-stat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.65rem;
  margin-bottom: 1rem;
}

.ns-stat {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0.65rem;
  padding: 0.75rem;
}

.ns-stat strong {
  display: block;
  font-size: 1.25rem;
  color: var(--navy);
  line-height: 1.1;
}

.ns-stat span {
  font-size: 0.6875rem;
  color: var(--gray-500);
}

.ns-stat--accent {
  border-color: rgb(13 148 136 / 35%);
  background: linear-gradient(180deg, #f0fdfa, var(--white));
}

.ns-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0.75rem;
  overflow: hidden;
}

.ns-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--gray-200);
  background: #fafbfd;
}

.ns-card__head h4 {
  margin: 0;
  font-size: 0.8125rem;
  color: var(--navy);
}

.ns-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.75rem;
}

.ns-table th,
.ns-table td {
  padding: 0.55rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--gray-100);
}

.ns-table th {
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--gray-500);
  font-weight: 600;
}

.ns-badge {
  display: inline-block;
  padding: 0.15rem 0.45rem;
  border-radius: 999px;
  font-size: 0.625rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.ns-badge--green { background: #dcfce7; color: #166534; }
.ns-badge--amber { background: #fef3c7; color: #92400e; }
.ns-badge--blue { background: #dbeafe; color: #1e40af; }

.ns-form-layout {
  display: grid;
  grid-template-columns: 11rem 1fr;
  gap: 1rem;
}

.ns-form-nav {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0.75rem;
  padding: 0.5rem;
}

.ns-form-nav button {
  display: block;
  width: 100%;
  border: none;
  background: transparent;
  text-align: left;
  font: inherit;
  font-size: 0.75rem;
  padding: 0.5rem 0.55rem;
  border-radius: 0.45rem;
  color: var(--gray-700);
  cursor: pointer;
}

.ns-form-nav button.is-active {
  background: var(--navy);
  color: var(--white);
  font-weight: 600;
}

.ns-form-nav button.done {
  color: var(--teal-dark);
}

.ns-form-nav button.done::before {
  content: "✓ ";
}

.ns-form-panel {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: 0.75rem;
  padding: 1rem;
}

.ns-form-panel h4 {
  margin: 0 0 0.35rem;
  font-size: 0.9375rem;
  color: var(--navy);
}

.ns-form-panel > p {
  margin: 0 0 1rem;
  font-size: 0.75rem;
  color: var(--gray-500);
}

.ns-field-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.75rem;
}

.ns-field label {
  display: block;
  font-size: 0.6875rem;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 0.25rem;
}

.ns-field input,
.ns-field select {
  width: 100%;
  border: 1px solid var(--gray-200);
  border-radius: 0.45rem;
  padding: 0.45rem 0.55rem;
  font: inherit;
  font-size: 0.75rem;
  background: #fafbfd;
  color: var(--ink);
}

.ns-field input:focus,
.ns-field select:focus {
  outline: 2px solid rgb(13 148 136 / 35%);
  border-color: var(--teal);
}

.ns-field--full {
  grid-column: 1 / -1;
}

.ns-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 1rem;
  padding-top: 0.85rem;
  border-top: 1px solid var(--gray-100);
}

.ns-btn {
  border: none;
  border-radius: 0.45rem;
  padding: 0.45rem 0.85rem;
  font: inherit;
  font-size: 0.75rem;
  font-weight: 600;
  cursor: pointer;
}

.ns-btn--ghost {
  background: var(--white);
  border: 1px solid var(--gray-200);
  color: var(--gray-700);
}

.ns-btn--primary {
  background: var(--teal);
  color: var(--white);
}

.ns-progress {
  height: 0.35rem;
  background: var(--gray-100);
  border-radius: 999px;
  overflow: hidden;
  margin-top: 0.75rem;
}

.ns-progress span {
  display: block;
  height: 100%;
  width: 72%;
  background: linear-gradient(90deg, var(--teal), #14b8a6);
  border-radius: inherit;
}

@media (max-width: 900px) {
  .ns-app {
    grid-template-columns: 1fr;
  }

  .ns-app__sidebar {
    display: none;
  }

  .ns-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .ns-form-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .ns-stat-grid {
    grid-template-columns: 1fr;
  }

  .ns-field-grid {
    grid-template-columns: 1fr;
  }
}