:root {
  --bg: #eef2f6;
  --bg-accent: #e4ebf2;
  --surface: #ffffff;
  --surface-muted: #f7f9fc;
  --text: #152033;
  --text-soft: #5b677a;
  --border: #d7dee8;
  --border-soft: #e8eef5;
  --primary: #0f5c6e;
  --primary-hover: #0b4a58;
  --primary-soft: #e6f3f6;
  --accent: #1f6f8b;
  --success: #1f7a4d;
  --success-soft: #e8f6ee;
  --warning: #9a6b12;
  --warning-soft: #fff6e5;
  --danger: #a33b3b;
  --danger-soft: #fdeeee;
  --shadow: 0 10px 30px rgba(21, 32, 51, 0.06);
  --shadow-sm: 0 2px 8px rgba(21, 32, 51, 0.05);
  --radius: 14px;
  --radius-sm: 10px;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --font-display: "DM Sans", "IBM Plex Sans", sans-serif;
  --chart-1: #0f5c6e;
  --chart-2: #2a8f7b;
  --chart-3: #c47a2c;
  --chart-4: #3d6ea8;
  --chart-5: #7a5ea8;
  --chart-6: #a33b3b;
  --chart-7: #5c7c59;
  --chart-8: #6b7280;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--text);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d9e8ee 0%, transparent 55%),
    radial-gradient(900px 400px at 100% 0%, #e7edf5 0%, transparent 50%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-accent) 100%);
  line-height: 1.45;
}

h1, h2, h3 {
  font-family: var(--font-display);
  margin: 0;
  letter-spacing: -0.02em;
}

p { margin: 0; }

.app {
  width: min(1240px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1.5rem 0 2.5rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.25rem;
}

.topbar__brand {
  display: flex;
  gap: 0.9rem;
  align-items: flex-start;
  max-width: 640px;
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 12px;
  background:
    linear-gradient(145deg, #0f5c6e 0%, #1f6f8b 55%, #2a8f7b 100%);
  box-shadow: var(--shadow-sm);
  flex-shrink: 0;
}

.brand-mark--lg {
  width: 56px;
  height: 56px;
  margin-bottom: 1rem;
}

.eyebrow {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

.topbar h1 {
  font-size: clamp(1.45rem, 2.4vw, 1.9rem);
  font-weight: 700;
  color: var(--text);
}

.subtitle {
  margin-top: 0.35rem;
  color: var(--text-soft);
  font-size: 0.95rem;
}

.topbar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
  justify-content: flex-end;
}

.status-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.45rem 0.75rem;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-soft);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #9aa7b8;
}

.status-chip[data-state="ok"] {
  background: var(--success-soft);
  border-color: #c9e6d5;
  color: var(--success);
}
.status-chip[data-state="ok"] .status-dot { background: var(--success); }

.status-chip[data-state="stale"] {
  background: var(--warning-soft);
  border-color: #f0dfb2;
  color: var(--warning);
}
.status-chip[data-state="stale"] .status-dot { background: var(--warning); }

.status-chip[data-state="error"] {
  background: var(--danger-soft);
  border-color: #f0c9c9;
  color: var(--danger);
}
.status-chip[data-state="error"] .status-dot { background: var(--danger); }

.status-chip[data-state="loading"] .status-dot {
  background: var(--accent);
  animation: pulse 1.2s ease-in-out infinite;
}

.meta-block {
  display: flex;
  flex-direction: column;
  gap: 0.1rem;
  padding: 0.35rem 0.7rem;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-sm);
  min-width: 140px;
}

.meta-label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-soft);
  font-weight: 600;
}

.meta-block strong {
  font-size: 0.88rem;
  font-weight: 600;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.82rem;
  color: var(--text-soft);
  font-weight: 600;
}

.field--inline {
  flex-direction: row;
  align-items: center;
  gap: 0.5rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 0.3rem 0.55rem 0.3rem 0.75rem;
}

.field select,
.field input,
.login-form input {
  font: inherit;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.55rem 0.7rem;
  background: #fff;
}

.field--inline select {
  border: 0;
  padding: 0.35rem 0.2rem;
  background: transparent;
  font-weight: 600;
}

.field--search {
  position: relative;
  min-width: min(280px, 100%);
}

.field--search i,
.field--search svg {
  position: absolute;
  left: 0.7rem;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--text-soft);
}

.field--search input {
  width: 100%;
  padding-left: 2.2rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.55rem 0.95rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.9rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}

.btn svg { width: 16px; height: 16px; }

.btn--primary {
  background: var(--primary);
  color: #fff;
}
.btn--primary:hover { background: var(--primary-hover); }

.btn--ghost {
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover { background: var(--surface-muted); }

.btn--sm { padding: 0.35rem 0.7rem; font-size: 0.82rem; }
.btn--block { width: 100%; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

.btn.is-loading svg { animation: spin 0.9s linear infinite; }

.banner {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  margin-bottom: 1rem;
  font-size: 0.92rem;
  font-weight: 500;
}

.banner svg { width: 18px; height: 18px; flex-shrink: 0; }
.banner--warning { background: var(--warning-soft); color: var(--warning); border: 1px solid #f0dfb2; }
.banner--error { background: var(--danger-soft); color: var(--danger); border: 1px solid #f0c9c9; }
.hidden { display: none !important; }

.filters-panel {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.1rem 1.15rem;
  margin-bottom: 1.1rem;
}

.filters-panel__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
}

.filters-panel__head h2 {
  font-size: 1rem;
}

.filters-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.8rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.kpi {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 1rem 1.05rem;
  min-height: 104px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0.55rem;
}

.kpi__label {
  font-size: 0.8rem;
  color: var(--text-soft);
  font-weight: 600;
}

.kpi__value {
  font-family: var(--font-display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.kpi__hint {
  font-size: 0.75rem;
  color: var(--text-soft);
}

.kpi--accent { border-top: 3px solid var(--primary); }
.kpi--ok { border-top: 3px solid var(--success); }
.kpi--warn { border-top: 3px solid var(--warning); }
.kpi--danger { border-top: 3px solid var(--danger); }

.charts-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.9rem;
  margin-bottom: 1.1rem;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
}

.chart-card {
  position: relative;
  padding: 1rem 1.05rem 1.15rem;
  min-height: 320px;
}

.chart-card h3 {
  font-size: 0.98rem;
  margin-bottom: 0.35rem;
}

.chart-card .muted {
  font-size: 0.8rem;
  color: var(--text-soft);
  margin-bottom: 0.8rem;
}

.chart-wrap {
  position: relative;
  height: 240px;
}

.chart-card--clickable {
  border-color: #c9d8e4;
  padding-right: 2.6rem;
}

.chart-card--clickable .muted {
  color: var(--accent);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.chart-card--clickable .muted svg {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
}

.chart-card--wide .chart-wrap {
  height: 280px;
}

.nps-panel {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 1rem;
  align-items: center;
}

.nps-score {
  text-align: center;
  padding: 1rem;
  border-radius: 12px;
  background: var(--primary-soft);
}

.nps-score strong {
  display: block;
  font-size: 2.2rem;
  font-family: var(--font-display);
}

.nps-breakdown {
  display: grid;
  gap: 0.45rem;
}

.nps-row {
  display: flex;
  justify-content: space-between;
  font-size: 0.88rem;
  padding: 0.45rem 0.6rem;
  border-radius: 8px;
  background: var(--surface-muted);
}

.table-card { padding: 1rem 1.05rem 1.1rem; }

.card__head {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 0.9rem;
}

.card__head h2 { font-size: 1.05rem; }
.muted { color: var(--text-soft); font-size: 0.85rem; }

.table-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
  font-size: 0.86rem;
}

.data-table th,
.data-table td {
  padding: 0.7rem 0.8rem;
  border-bottom: 1px solid var(--border-soft);
  text-align: left;
  vertical-align: top;
  max-width: 280px;
}

.data-table th {
  position: sticky;
  top: 0;
  background: var(--surface-muted);
  color: var(--text-soft);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
}

.data-table th:hover { color: var(--text); }
.data-table th[data-sort="asc"]::after { content: " ↑"; }
.data-table th[data-sort="desc"]::after { content: " ↓"; }

.data-table tbody tr:hover { background: #f5f9fb; }

.data-table td {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-table a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.data-table a:hover { text-decoration: underline; }

.table-footer {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.8rem;
  margin-top: 0.9rem;
  color: var(--text-soft);
  font-size: 0.88rem;
}

.empty-state {
  padding: 2rem 1rem;
  text-align: center;
  color: var(--text-soft);
}

.app-footer {
  margin-top: 1.5rem;
  text-align: center;
  color: var(--text-soft);
  font-size: 0.78rem;
}

/* Skeletons */
.skeleton .skeleton-line,
.skeleton-card .skeleton-line {
  height: 12px;
  border-radius: 6px;
  background: linear-gradient(90deg, #e8eef5 25%, #f5f8fb 50%, #e8eef5 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
  margin-bottom: 0.7rem;
}
.skeleton-line.short { width: 45%; }
.chart-skeleton {
  height: 200px;
  border-radius: 12px;
  background: linear-gradient(90deg, #e8eef5 25%, #f5f8fb 50%, #e8eef5 75%);
  background-size: 200% 100%;
  animation: shimmer 1.2s linear infinite;
}

/* Login */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
}

.login-card {
  width: min(420px, 100%);
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 2rem 1.6rem;
}

.login-card h1 {
  font-size: 1.5rem;
  margin-bottom: 0.35rem;
}

.login-form {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.2rem;
}

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

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

.kpi--clickable {
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, border-color 0.15s ease;
  padding-right: 2.6rem;
}

.kpi--clickable:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow);
  border-color: var(--border);
}

.kpi--clickable:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.kpi__action {
  margin-top: 0.15rem;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--accent);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.kpi__action svg {
  width: 13px;
  height: 13px;
}

.click-hint {
  position: absolute;
  top: 0.7rem;
  right: 0.7rem;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid #c5dde4;
  pointer-events: none;
}

.click-hint svg {
  width: 15px;
  height: 15px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.modal[hidden],
.modal.hidden {
  display: none !important;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(21, 32, 51, 0.45);
}

.modal__panel {
  position: relative;
  z-index: 1;
  width: min(820px, 100%);
  max-height: min(84vh, 720px);
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border-soft);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.modal__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  padding: 1rem 1.15rem;
  border-bottom: 1px solid var(--border-soft);
}

.modal__head h2 {
  font-size: 1.1rem;
}

.modal__body {
  overflow: auto;
  padding: 0.85rem 1.15rem 1.15rem;
}

.detail-list {
  display: grid;
  gap: 0.65rem;
}

.detail-row {
  display: grid;
  grid-template-columns: minmax(140px, 220px) 1fr;
  gap: 0.85rem;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--border-soft);
  border-radius: 12px;
  background: var(--surface-muted);
}

.detail-row__name {
  font-weight: 700;
  color: var(--text);
  word-break: break-word;
}

.detail-row__company {
  display: block;
  margin-top: 0.25rem;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-soft);
}

.detail-row__answer {
  color: var(--text);
  white-space: pre-wrap;
  word-break: break-word;
  line-height: 1.45;
}

.detail-row__meta {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-soft);
}

.chart-card--clickable .chart-wrap {
  cursor: pointer;
}

@media (max-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 820px) {
  .charts-grid { grid-template-columns: 1fr; }
  .topbar__actions { justify-content: flex-start; }
}

@media (max-width: 640px) {
  .app { width: calc(100% - 1.2rem); padding-top: 1rem; }
  .kpi-grid { grid-template-columns: 1fr; }
  .nps-panel { grid-template-columns: 1fr; }
  .btn span { display: none; }
  .btn { padding: 0.6rem; }
  .meta-block { min-width: 0; flex: 1; }
  .detail-row {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }
}