/* ══════════════════════════════════════════════════════════════════════════════
   Vit — Value It  |  Styles
   Dark professional aesthetic, Bloomberg-terminal inspired
   ══════════════════════════════════════════════════════════════════════════════ */

/* ─── Custom Properties ─────────────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --bg-base:        #0a0c0f;
  --bg-surface:     #0f1217;
  --bg-elevated:    #151a22;
  --bg-card:        #1a2030;
  --bg-hover:       #1f2735;
  --bg-border:      #232d3f;

  /* Text */
  --text-primary:   #e8edf5;
  --text-secondary: #8899aa;
  --text-muted:     #4a5568;
  --text-accent:    #4a9eff;

  /* Accent colours */
  --accent-blue:    #4a9eff;
  --accent-blue-dim:#1a4a88;
  --accent-green:   #2ecc71;
  --accent-red:     #e74c3c;
  --accent-amber:   #f39c12;
  --accent-teal:    #1abc9c;

  /* Borders */
  --border:         #232d3f;
  --border-strong:  #2d3d55;

  /* Sidebar */
  --sidebar-w:      260px;
  --sidebar-collapsed-w: 0px;

  /* Topbar */
  --topbar-h:       52px;

  /* Transitions */
  --t-fast:         0.15s ease;
  --t-med:          0.25s ease;

  /* Font */
  --font-ui:        'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:      'JetBrains Mono', 'Fira Code', monospace;
}

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

html, body {
  height: 100%;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-ui);
  font-size: 14px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}

/* ─── App Shell ─────────────────────────────────────────────────────────────── */
#app {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ─── Sidebar ───────────────────────────────────────────────────────────────── */
.sidebar {
  position: relative;
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100%;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: width var(--t-med), min-width var(--t-med);
  overflow: hidden;
  z-index: 10;
}

.sidebar:not(.sidebar--open) {
  width: 0;
  min-width: 0;
}

.sidebar__inner {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  height: 100%;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

.sidebar__logo {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}

.logo__wordmark {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}

.logo__tagline {
  font-size: 11px;
  color: var(--text-muted);
  font-weight: 400;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.logo__separator {
  color: var(--text-muted);
  margin: 0 4px;
}

.sidebar__section {
  padding: 16px;
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 12px;
}

/* AI Placeholder */
.ai-placeholder {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 20px;
  text-align: center;
}

.ai-placeholder__icon {
  font-size: 28px;
  color: var(--text-muted);
  margin-bottom: 8px;
  opacity: 0.5;
}

.ai-placeholder__text {
  font-size: 13px;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 6px;
}

.ai-placeholder__sub {
  font-size: 11px;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Recent Searches */
.recent-searches {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.recent-searches__empty {
  font-size: 12px;
  color: var(--text-muted);
  padding: 8px 0;
}

.recent-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--t-fast);
}

.recent-item:hover {
  background: var(--bg-hover);
}

.recent-item__mode {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 2px 5px;
  border-radius: 3px;
  flex-shrink: 0;
}

.recent-item__mode--asset {
  background: var(--accent-blue-dim);
  color: var(--accent-blue);
}

.recent-item__mode--comparable {
  background: rgba(26, 188, 156, 0.15);
  color: var(--accent-teal);
}

.recent-item__query {
  font-size: 12px;
  color: var(--text-secondary);
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.recent-item__delete {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  padding: 2px 4px;
  border-radius: 3px;
  font-size: 12px;
  opacity: 0;
  transition: opacity var(--t-fast), color var(--t-fast);
}

.recent-item:hover .recent-item__delete {
  opacity: 1;
}

.recent-item__delete:hover {
  color: var(--accent-red);
}

/* Sidebar toggle — lives in topbar, always visible */
.sidebar-toggle {
  width: 32px;
  height: 32px;
  border-radius: 6px;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  transition: background var(--t-fast), color var(--t-fast), border-color var(--t-fast);
}

.sidebar-toggle:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

/* ─── Main ──────────────────────────────────────────────────────────────────── */
.main {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
  min-width: 0;
}

/* ─── Topbar ────────────────────────────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  min-height: var(--topbar-h);
  background: var(--bg-surface);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 24px;
  z-index: 5;
}

.topbar__left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.topbar__logo .logo__wordmark {
  font-size: 18px;
}

.topbar__nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.mode-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 16px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
}

.mode-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.mode-btn--active {
  background: var(--accent-blue-dim);
  color: var(--accent-blue);
  border-color: var(--accent-blue);
}

.mode-btn--active:hover {
  background: var(--accent-blue-dim);
  color: var(--accent-blue);
}

.mode-btn__icon {
  font-size: 14px;
}

.topbar__right {
  display: flex;
  align-items: center;
}

/* API Status Dots */
.api-status {
  display: flex;
  align-items: center;
  gap: 8px;
}

.api-status__label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
}

.api-status__dots {
  display: flex;
  gap: 5px;
}

.api-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  transition: background var(--t-med);
  cursor: default;
}

.api-dot--ok    { background: var(--accent-green); }
.api-dot--error { background: var(--accent-red); }
.api-dot--checking { background: var(--accent-amber); animation: pulse 1.4s infinite; }

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50%       { opacity: 0.4; }
}

/* ─── Panels ────────────────────────────────────────────────────────────────── */
.panels {
  flex: 1;
  overflow: hidden;
  position: relative;
}

.panel {
  position: absolute;
  inset: 0;
  display: none;
  flex-direction: column;
  overflow-y: auto;
  padding: 28px 32px;
  gap: 24px;
}

.panel--active {
  display: flex;
}

/* ─── Search Bar ────────────────────────────────────────────────────────────── */
.panel__search-zone {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
}

.search-bar__label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.search-bar__input-wrap {
  display: flex;
  gap: 10px;
}

.search-input {
  flex: 1;
  height: 44px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 15px;
  padding: 0 16px;
  outline: none;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
}

.search-input::placeholder { color: var(--text-muted); font-family: var(--font-ui); font-size: 13px; }
.search-input:focus {
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(74, 158, 255, 0.12);
}

.search-btn {
  height: 44px;
  padding: 0 24px;
  background: var(--accent-blue);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-family: var(--font-ui);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--t-fast), opacity var(--t-fast);
  white-space: nowrap;
}

.search-btn:hover   { background: #5aabff; }
.search-btn:active  { opacity: 0.85; }
.search-btn:disabled{ opacity: 0.5; cursor: not-allowed; }

.search-bar__hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 4px;
}

/* Uplift config */
.uplift-config {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.uplift-config__label {
  font-size: 12px;
  color: var(--text-secondary);
  font-weight: 500;
}

.uplift-input {
  width: 64px;
  height: 32px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text-primary);
  font-family: var(--font-mono);
  font-size: 13px;
  padding: 0 8px;
  outline: none;
  transition: border-color var(--t-fast);
  text-align: center;
}

.uplift-input:focus { border-color: var(--accent-blue); }

.uplift-config__unit {
  font-size: 12px;
  color: var(--text-secondary);
}

.uplift-config__hint {
  font-size: 11px;
  color: var(--text-muted);
}

/* ─── Results Header ────────────────────────────────────────────────────────── */
.results-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.results-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
}

.action-btn {
  height: 32px;
  padding: 0 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 6px;
  color: var(--text-secondary);
  font-family: var(--font-ui);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all var(--t-fast);
  white-space: nowrap;
}

.action-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
  border-color: var(--border-strong);
}

.action-group {
  display: flex;
  gap: 8px;
}

/* ─── Asset Source Cards ────────────────────────────────────────────────────── */
.source-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

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

.source-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
  transition: border-color var(--t-fast);
}

.source-card--error {
  opacity: 0.55;
  border-style: dashed;
}

.source-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--border);
}

.source-card__name {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--text-secondary);
}

.source-card__status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
}

.source-card__status-dot--ok    { background: var(--accent-green); }
.source-card__status-dot--error { background: var(--accent-red); }
.source-card__status-dot--loading { background: var(--accent-amber); animation: pulse 1.2s infinite; }

.source-card__body {
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 120px;
}

.source-card--loading .source-card__body {
  align-items: center;
  justify-content: center;
}

/* Price metric row */
.metric-row {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.metric-row__label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  font-weight: 500;
}

.metric-row__value {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 500;
  color: var(--text-primary);
  letter-spacing: -0.5px;
}

.metric-row__value--small {
  font-size: 15px;
}

.metric-row__sub {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 2px;
  flex-wrap: wrap;
}

.change-pill {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  padding: 2px 7px;
  border-radius: 4px;
}

.change-pill--up   { background: rgba(46,204,113,0.15); color: var(--accent-green); }
.change-pill--down { background: rgba(231,76,60,0.15);  color: var(--accent-red); }
.change-pill--flat { background: var(--bg-elevated); color: var(--text-muted); }

.metric-secondary {
  font-size: 11px;
  color: var(--text-muted);
}

.source-card__error {
  font-size: 12px;
  color: var(--accent-red);
  padding: 8px 0;
}

.source-card__placeholder {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  padding: 20px 0;
}

/* ─── Valuation Summary ─────────────────────────────────────────────────────── */
.valuation-summary {
  background: var(--bg-card);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 20px 24px;
  display: flex;
  align-items: stretch;
  gap: 0;
}

.val-section {
  flex: 1;
}

.val-section__title {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 14px;
}

.val-row {
  display: flex;
  gap: 16px;
}

.val-cell {
  flex: 1;
  text-align: center;
}

.val-cell--mid {
  border-left: 1px solid var(--border);
  border-right: 1px solid var(--border);
  padding: 0 16px;
}

.val-cell__label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.val-cell__value {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  color: var(--text-secondary);
}

.val-cell__value--highlight {
  font-size: 22px;
  color: var(--accent-blue);
}

.val-divider {
  display: flex;
  align-items: center;
  padding: 0 24px;
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  writing-mode: horizontal-tb;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
}

.val-meta {
  margin-top: 12px;
  font-size: 11px;
  color: var(--text-muted);
  grid-column: 1 / -1;
  width: 100%;
}

/* ─── Comparable Source Status ──────────────────────────────────────────────── */
.comp-source-status {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.comp-source-pill {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  font-size: 11px;
  font-weight: 500;
  color: var(--text-secondary);
}

.comp-source-pill__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
}

.comp-source-pill--ok .comp-source-pill__dot    { background: var(--accent-green); }
.comp-source-pill--error .comp-source-pill__dot { background: var(--accent-red); }
.comp-source-pill--error { opacity: 0.6; }

/* ─── Data Table ────────────────────────────────────────────────────────────── */
.table-wrap {
  overflow-x: auto;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table thead th {
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  padding: 10px 16px;
  text-align: left;
  white-space: nowrap;
  border-bottom: 1px solid var(--border);
}

.data-table tbody tr {
  border-bottom: 1px solid var(--border);
  transition: background var(--t-fast);
}

.data-table tbody tr:last-child { border-bottom: none; }
.data-table tbody tr:hover { background: var(--bg-hover); }

.data-table tbody td {
  padding: 10px 16px;
  color: var(--text-primary);
  vertical-align: middle;
}

.data-table .td-price {
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--accent-green);
  white-space: nowrap;
}

.data-table .td-source {
  font-size: 11px;
  color: var(--text-muted);
}

.data-table .td-link a {
  color: var(--accent-blue);
  text-decoration: none;
  font-size: 12px;
}

.data-table .td-link a:hover { text-decoration: underline; }

.data-table .td-desc {
  max-width: 340px;
}

/* ─── Loading & Error States ────────────────────────────────────────────────── */
.loading-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  gap: 16px;
}

.loading-spinner {
  width: 32px;
  height: 32px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent-blue);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

.loading-text {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.3px;
}

.error-state {
  padding: 24px;
  background: rgba(231, 76, 60, 0.08);
  border: 1px solid rgba(231, 76, 60, 0.25);
  border-radius: 8px;
  color: var(--accent-red);
  font-size: 13px;
  max-width: 600px;
}

.hidden { display: none !important; }

/* ─── Footer ────────────────────────────────────────────────────────────────── */
.footer {
  padding: 12px 32px;
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
  flex-shrink: 0;
}

.disclaimer {
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

/* ─── Scrollbar ─────────────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--bg-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }

/* ─── Responsive ────────────────────────────────────────────────────────────── */
@media (max-width: 768px) {
  .panel { padding: 16px; }
  .topbar { padding: 0 12px; gap: 12px; }
  .topbar__logo { display: none; }
  .valuation-summary { flex-direction: column; gap: 16px; }
  .val-divider { writing-mode: horizontal-tb; padding: 0; flex-direction: row; }
}

/* ─── Historical Data Styles ────────────────────────────────────────────────── */
.historical-notice {
  padding: 10px 14px;
  background: rgba(243, 156, 18, 0.08);
  border: 1px solid rgba(243, 156, 18, 0.3);
  border-radius: 6px;
  font-size: 12px;
  color: var(--accent-amber);
  line-height: 1.5;
}

.source-card--historical {
  border-color: rgba(243, 156, 18, 0.35);
  border-style: dashed;
}

.historical-badge {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 2px 5px;
  border-radius: 3px;
  background: rgba(243, 156, 18, 0.15);
  color: var(--accent-amber);
  vertical-align: middle;
  margin-left: 4px;
}

.tr--historical td { opacity: 0.6; }

.hist-tag {
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.4px;
  text-transform: uppercase;
  padding: 1px 4px;
  border-radius: 3px;
  background: rgba(243, 156, 18, 0.15);
  color: var(--accent-amber);
  vertical-align: middle;
  margin-left: 4px;
}