/* ── Reset & tokens ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --navy:   #1A2C5B;
  --gold:   #C9A84C;
  --green:  #1D9E75;
  --amber:  #EF9F27;
  --red:    #E24B4A;
  --blue:   #378ADD;
  --bg:     #F5F6F8;
  --text:   #1A1A2E;
  --muted:  #6B7280;
  --border: #E2E6EE;
  --white:  #ffffff;
  --card-shadow: 0 2px 8px rgba(26,44,91,0.08);
  --nav-h: 60px;
  --tab-h: 44px;
}

html, body { height: 100%; }
body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}

/* ── Top Nav ── */
.topnav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-h);
  background: var(--navy);
  border-bottom: 3px solid var(--gold);
  box-shadow: 0 2px 12px rgba(0,0,0,0.18);
}
.topnav-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 1.25rem;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.nav-logo {
  width: 36px;
  height: 36px;
  background: var(--gold);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--navy);
}
.nav-logo svg { width: 20px; height: 20px; }
.nav-title {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--white);
  line-height: 1.2;
}
.nav-sub {
  font-size: 0.7rem;
  color: var(--gold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.nav-right {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.ytd-badge {
  background: rgba(201,168,76,0.18);
  border: 1px solid var(--gold);
  color: var(--gold);
  border-radius: 20px;
  padding: 0.25rem 0.8rem;
  font-size: 0.75rem;
  font-weight: 600;
  white-space: nowrap;
}
.btn-logout {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: rgba(255,255,255,0.85);
  padding: 0.3rem 0.9rem;
  border-radius: 6px;
  font-size: 0.8rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.btn-logout:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.6);
}

/* ── Tab Bar ── */
.tab-bar {
  position: sticky;
  top: var(--nav-h);
  z-index: 90;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  display: flex;
  overflow-x: auto;
  scrollbar-width: none;
  box-shadow: 0 1px 4px rgba(0,0,0,0.06);
}
.tab-bar::-webkit-scrollbar { display: none; }
.tab {
  flex-shrink: 0;
  padding: 0 1.5rem;
  height: var(--tab-h);
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.875rem;
  font-weight: 500;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition: color 0.15s, border-color 0.15s;
  white-space: nowrap;
}
.tab:hover { color: var(--navy); }
.tab.active {
  color: var(--navy);
  border-bottom-color: var(--gold);
  font-weight: 700;
}

/* ── Main ── */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 3rem;
  position: relative;
}

/* ── Loading ── */
.loading-overlay {
  position: absolute;
  inset: 0;
  background: rgba(245,246,248,0.92);
  z-index: 50;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1rem;
  border-radius: 8px;
  min-height: 300px;
}
.loading-overlay.hidden { display: none; }
.spinner {
  width: 40px;
  height: 40px;
  border: 4px solid var(--border);
  border-top-color: var(--navy);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ── Tab panels ── */
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── KPI Grid ── */
.kpi-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.875rem;
  margin-bottom: 1.5rem;
}
@media (min-width: 640px) {
  .kpi-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 1024px) {
  .kpi-grid { grid-template-columns: repeat(5, 1fr); }
}

.kpi-card {
  background: var(--white);
  border-radius: 10px;
  padding: 1.1rem 1rem;
  box-shadow: var(--card-shadow);
  border-left: 4px solid var(--navy);
  transition: box-shadow 0.2s;
}
.kpi-card:hover { box-shadow: 0 4px 16px rgba(26,44,91,0.14); }
.kpi-card.accent { border-left-color: var(--gold); }

.kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--navy);
  line-height: 1;
  margin-bottom: 0.3rem;
}
.kpi-value--sm { font-size: 1.2rem; }
.kpi-label {
  font-size: 0.72rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ── Charts Grid ── */
.charts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
@media (min-width: 900px) {
  .charts-grid { grid-template-columns: repeat(2, 1fr); }
}

.chart-card {
  background: var(--white);
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: var(--card-shadow);
}
.chart-card--wide {
  grid-column: 1 / -1;
}
.chart-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.chart-wrap {
  position: relative;
  height: 260px;
}
.chart-wrap--donut {
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.chart-wrap--hbar {
  height: 320px;
}

/* ── Tables ── */
.table-card {
  background: var(--white);
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: var(--card-shadow);
  margin-bottom: 1rem;
}
.table-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.table-scroll { overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.835rem;
  min-width: 500px;
}
thead th {
  background: var(--navy);
  color: var(--white);
  padding: 0.6rem 0.875rem;
  text-align: left;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  white-space: nowrap;
}
tbody tr { border-bottom: 1px solid var(--border); }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: #f0f3fb; }
tbody td {
  padding: 0.6rem 0.875rem;
  color: var(--text);
  white-space: nowrap;
}

/* Mini progress bar for sell-through */
.mini-bar-wrap {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 120px;
}
.mini-bar-track {
  flex: 1;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.mini-bar-fill {
  height: 100%;
  border-radius: 3px;
  transition: width 0.4s ease;
}
.mini-bar-label {
  font-size: 0.75rem;
  font-weight: 700;
  min-width: 38px;
  text-align: right;
}

/* Status / badge chips */
.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 20px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}
.badge--green  { background: #e6f9f3; color: var(--green); }
.badge--blue   { background: #ebf4fd; color: var(--blue); }
.badge--red    { background: #fef0f0; color: var(--red); }
.badge--amber  { background: #fef8ec; color: var(--amber); }
.badge--navy   { background: #eef2ff; color: var(--navy); }

/* ── BD Focus Summary note ── */
.bd-summary {
  background: linear-gradient(135deg, #eef2ff 0%, #f5f6f8 100%);
  border: 1px solid var(--border);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
  font-size: 0.875rem;
  color: var(--navy);
  line-height: 1.6;
}

/* ── Report Bar ── */
.report-bar {
  background: var(--white);
  border-radius: 10px;
  padding: 1.25rem;
  box-shadow: var(--card-shadow);
  margin-top: 1rem;
}
.report-btns {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 0.75rem;
}
.btn-report {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 1.1rem;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: 7px;
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
}
.btn-report:hover { background: #243d7a; }
.btn-report:active { transform: scale(0.97); }
.btn-report span { font-size: 1rem; }

.branch-report-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 0.5rem;
}
.branch-select {
  padding: 0.5rem 0.75rem;
  border: 1.5px solid var(--border);
  border-radius: 7px;
  font-size: 0.84rem;
  color: var(--text);
  background: var(--bg);
  outline: none;
  cursor: pointer;
}
.branch-select:focus { border-color: var(--navy); }

.report-status {
  margin-top: 0.75rem;
  font-size: 0.82rem;
  padding: 0.5rem 0.75rem;
  border-radius: 6px;
  display: none;
}
.report-status--info {
  display: block;
  background: #ebf4fd;
  color: var(--blue);
}
.report-status--ok {
  display: block;
  background: #e6f9f3;
  color: var(--green);
}
.report-status--err {
  display: block;
  background: #fef0f0;
  color: var(--red);
}

/* ── AI Query Tab ── */
.query-layout {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  max-width: 860px;
  margin: 0 auto;
}

.quick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.chip {
  padding: 0.4rem 0.9rem;
  border: 1.5px solid var(--navy);
  background: transparent;
  color: var(--navy);
  border-radius: 20px;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}
.chip:hover {
  background: var(--navy);
  color: var(--white);
}

.chat-window {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  min-height: 380px;
  max-height: 520px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  box-shadow: var(--card-shadow);
  scroll-behavior: smooth;
}

.chat-welcome {
  margin: auto;
  text-align: center;
  color: var(--muted);
  line-height: 1.8;
}
.chat-welcome p:first-child { font-size: 1.5rem; }

.chat-msg {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
  max-width: 88%;
}
.chat-msg--user { align-self: flex-end; align-items: flex-end; }
.chat-msg--ai   { align-self: flex-start; align-items: flex-start; }

.chat-bubble {
  padding: 0.65rem 0.95rem;
  border-radius: 12px;
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre-wrap;
  word-break: break-word;
}
.chat-msg--user .chat-bubble {
  background: var(--navy);
  color: var(--white);
  border-bottom-right-radius: 3px;
}
.chat-msg--ai .chat-bubble {
  background: #f0f3fb;
  color: var(--text);
  border-bottom-left-radius: 3px;
  border: 1px solid var(--border);
}
.chat-msg--error .chat-bubble {
  background: #fef0f0;
  color: var(--red);
  border-color: #f5bebe;
}

.chat-role {
  font-size: 0.68rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 0 0.25rem;
}

.analysing {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--muted);
  font-size: 0.82rem;
  padding: 0.5rem 0.75rem;
  background: #f0f3fb;
  border-radius: 10px;
  border: 1px solid var(--border);
}
.dot-pulse { display: flex; gap: 3px; }
.dot-pulse span {
  width: 6px;
  height: 6px;
  background: var(--navy);
  border-radius: 50%;
  animation: pulse 1.2s ease-in-out infinite;
}
.dot-pulse span:nth-child(2) { animation-delay: 0.2s; }
.dot-pulse span:nth-child(3) { animation-delay: 0.4s; }
@keyframes pulse {
  0%, 80%, 100% { opacity: 0.2; transform: scale(0.8); }
  40% { opacity: 1; transform: scale(1); }
}

.chat-input-row {
  display: flex;
  gap: 0.6rem;
  align-items: flex-end;
}
.chat-input {
  flex: 1;
  padding: 0.7rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: 9px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text);
  background: var(--white);
  resize: none;
  outline: none;
  max-height: 120px;
  overflow-y: auto;
  transition: border-color 0.2s;
}
.chat-input:focus { border-color: var(--navy); }

.btn-send {
  padding: 0.7rem 1.25rem;
  background: var(--navy);
  color: var(--white);
  border: none;
  border-radius: 9px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.btn-send:hover { background: #243d7a; }
.btn-send:disabled {
  background: var(--muted);
  cursor: not-allowed;
}

/* ── Responsive tweaks ── */
@media (max-width: 640px) {
  .main-content { padding: 1rem 0.75rem 2rem; }
  .kpi-value { font-size: 1.4rem; }
  .topnav-inner { padding: 0 0.75rem; }
  .nav-title { font-size: 0.82rem; }
  .nav-sub { display: none; }
  .ytd-badge { font-size: 0.68rem; padding: 0.2rem 0.5rem; }
  .tab { padding: 0 0.875rem; font-size: 0.8rem; }
  .chat-window { min-height: 280px; max-height: 380px; }
  .query-layout { max-width: 100%; }
}

@media (min-width: 900px) {
  .query-layout { max-width: 900px; }
  .chat-window { min-height: 440px; }
}