/* ================================================================
   TenderRadar Design System
   Load after: bootstrap.min.css, bootstrap-icons.min.css
   ================================================================ */

/* 1. DESIGN TOKENS
----------------------------------------------------------------- */
:root {
  --tr-bg:             #F4F6FA;
  --tr-surface:        #FFFFFF;
  --tr-surface-subtle: #EDF0F7;

  --tr-text:           #1C2535;
  --tr-text-secondary: #4B5568;
  --tr-text-muted:     #6B7280;

  --tr-primary:        #1E50A2;
  --tr-primary-hover:  #153B7D;
  --tr-primary-subtle: #EBF0FB;

  --tr-border:         #D4D9E8;
  --tr-border-strong:  #9AA5BE;

  --tr-shadow-sm: 0 1px 2px 0 rgba(28, 37, 53, 0.06);
  --tr-shadow:    0 2px 8px 0 rgba(28, 37, 53, 0.08);

  --tr-high-text:    #7C2D12;
  --tr-high-bg:      #FFF7ED;
  --tr-high-border:  #FDBA74;
  --tr-medium-text:  #1E40AF;
  --tr-medium-bg:    #EFF6FF;
  --tr-medium-border:#93C5FD;
  --tr-low-text:     #374151;
  --tr-low-bg:       #F9FAFB;
  --tr-low-border:   #D1D5DB;

  --bs-primary:           var(--tr-primary);
  --bs-primary-rgb:       30, 80, 162;
  --bs-success:           #166534;
  --bs-success-rgb:       22, 101, 52;
  --bs-danger:            #991B1B;
  --bs-danger-rgb:        153, 27, 27;
  --bs-warning:           #92400E;
  --bs-warning-rgb:       146, 64, 14;
  --bs-info:              #0E5E9E;
  --bs-info-rgb:          14, 94, 158;
  --bs-secondary:         #6B7894;
  --bs-body-bg:           var(--tr-bg);
  --bs-body-color:        var(--tr-text);
  --bs-border-color:      var(--tr-border);
  --bs-card-bg:           var(--tr-surface);
  --bs-card-border-color: var(--tr-border);
  --bs-card-cap-bg:       var(--tr-surface-subtle);
  --bs-font-sans-serif:   "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --bs-font-monospace:    "IBM Plex Mono", "SF Mono", Consolas, monospace;
  --bs-body-font-size:    0.9375rem;
  --bs-body-line-height:  1.6;
  --bs-border-radius:     0.375rem;
  --bs-border-radius-sm:  0.25rem;
  --bs-border-radius-lg:  0.5rem;
  --bs-link-color:        var(--tr-primary);
  --bs-link-hover-color:  var(--tr-primary-hover);
  --bs-table-striped-bg:  #F7F9FD;
  --bs-table-hover-bg:    var(--tr-primary-subtle);
}

/* 2. BASE
----------------------------------------------------------------- */
body {
  background-color: var(--tr-bg);
}

#main-content {
  max-width: 100%;
}

.font-mono {
  font-family: var(--bs-font-monospace);
}

/* 3. NAVBAR
----------------------------------------------------------------- */
.navbar-tr {
  background-color: #1C2535;
  height: 3.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
}

.navbar-tr .navbar-brand {
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  color: #fff;
}

.navbar-tr .nav-link {
  color: #94A3B8;
  font-size: 0.9375rem;
  padding-bottom: 0;
}

.navbar-tr .nav-link:hover {
  color: #fff;
}

.navbar-tr .nav-link.active {
  color: #fff;
  border-bottom: 2px solid var(--tr-primary);
  padding-bottom: 2px;
}

/* 4. METRIC STRIP
----------------------------------------------------------------- */
.metric-strip {
  border: 1px solid var(--tr-border);
  border-radius: var(--bs-border-radius-lg);
  overflow: hidden;
}

.metric-cell {
  padding: 1.25rem 1.5rem;
  border-right: 1px solid var(--tr-border);
  border-top: 3px solid transparent;
  background: var(--tr-surface);
}

.metric-cell:last-child {
  border-right: none;
}

.metric-cell--info    { border-top-color: #0E5E9E; }
.metric-cell--warning { border-top-color: #F59E0B; }
.metric-cell--danger  { border-top-color: #991B1B; }
.metric-cell--success { border-top-color: #166534; }

.metric-value {
  font-family: var(--bs-font-monospace);
  font-size: 1.75rem;
  font-weight: 500;
  line-height: 1;
  color: var(--tr-text);
}

.metric-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--tr-text-secondary);
  margin-top: 0.375rem;
  line-height: 1.35;
  text-wrap: balance;
}

/* 5. STATUS BADGES
----------------------------------------------------------------- */
.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.25em 0.6em;
  font-size: 0.75rem;
  font-weight: 500;
  border-radius: 0.25rem;
  border: 1px solid;
  white-space: nowrap;
  line-height: 1.4;
}

.status-badge--new        { color: #0E5E9E; background: #EFF6FF; border-color: #93C5FD; }
.status-badge--reviewed   { color: #475569; background: #F1F5F9; border-color: #CBD5E1; }
.status-badge--interested { color: #92400E; background: #FFFBEB; border-color: #FCD34D; }
.status-badge--preparing  { color: #5B21B6; background: #F5F3FF; border-color: #C4B5FD; }
.status-badge--submitted  { color: #1E40AF; background: #EFF6FF; border-color: #93C5FD; }
.status-badge--won        { color: #166534; background: #F0FDF4; border-color: #86EFAC; }
.status-badge--lost       { color: #991B1B; background: #FEF2F2; border-color: #FCA5A5; }
.status-badge--archived   { color: #6B7280; background: #F9FAFB; border-color: #D1D5DB; }

/* 6. SCORE / PRIORITY BADGES
----------------------------------------------------------------- */
.score-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3em;
  padding: 0.2em 0.5em;
  font-size: 0.75rem;
  border-radius: 0.25rem;
  border: 1px solid;
  white-space: nowrap;
}

.score-badge--high   { color: var(--tr-high-text);   background: var(--tr-high-bg);   border-color: var(--tr-high-border); }
.score-badge--medium { color: var(--tr-medium-text); background: var(--tr-medium-bg); border-color: var(--tr-medium-border); }
.score-badge--low    { color: var(--tr-low-text);    background: var(--tr-low-bg);    border-color: var(--tr-low-border); }

.score-number {
  font-family: var(--bs-font-monospace);
  font-weight: 500;
}

.score-label {
  font-weight: 500;
  font-size: 0.6875rem;
}

.badge-source {
  display: inline-block;
  padding: 0.2em 0.5em;
  font-size: 0.6875rem;
  font-weight: 600;
  background: var(--tr-surface-subtle);
  color: var(--tr-text-secondary);
  border: 1px solid var(--tr-border);
  border-radius: 0.25rem;
  letter-spacing: 0.03em;
}

/* 7. TENDER TABLE
----------------------------------------------------------------- */
.tender-table {
  font-size: 0.875rem;
  margin-bottom: 0;
}

.tender-table__head th {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--tr-text-secondary);
  background-color: var(--tr-surface-subtle);
  border-bottom: 2px solid var(--tr-border) !important;
  padding: 0.625rem 0.75rem;
  position: sticky;
  top: 3.5rem;
  z-index: 10;
}

.tender-row {
  cursor: pointer;
}

.tender-row--new {
  border-left: 3px solid #0E5E9E;
}

.tender-title-link {
  color: var(--tr-text);
  font-weight: 500;
  text-decoration: none;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.tender-title-link:hover {
  color: var(--tr-primary);
}

.tender-meta-line {
  font-size: 0.75rem;
  color: var(--tr-text-secondary);
  margin-top: 0.2rem;
  line-height: 1.45;
}

.tender-meta-line .status-badge {
  font-size: 0.6875rem;
  vertical-align: baseline;
}

.tender-col-deadline,
.tender-col-score {
  white-space: nowrap;
}

@media (max-width: 991.98px) {
  .tender-table .tender-col-deadline {
    width: 1%;
  }

  .tender-table .tender-col-score {
    width: 1%;
  }
}

.tender-org {
  font-size: 0.8125rem;
  color: var(--tr-text-secondary);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tender-budget {
  font-family: var(--bs-font-monospace);
}

.tender-deadline--urgent {
  color: #991B1B;
  font-weight: 500;
}

/* 8. FILTER BAR
----------------------------------------------------------------- */
.filter-bar {
  background: var(--tr-surface);
  padding: 0.75rem;
  border: 1px solid var(--tr-border);
  border-radius: var(--bs-border-radius);
}

.filter-bar .form-control,
.filter-select {
  min-width: 0;
}

.filter-select {
  display: block;
  width: 100%;
  padding: 0.375rem 0.75rem;
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.5;
  color: var(--tr-text);
  background-color: var(--tr-surface);
  border: 1px solid var(--tr-border);
  border-radius: var(--bs-border-radius);
  appearance: auto;
  -webkit-appearance: menulist;
  cursor: pointer;
}

.filter-select:focus {
  border-color: var(--tr-primary);
  box-shadow: 0 0 0 3px rgba(30, 80, 162, 0.18);
  outline: none;
}

.htmx-indicator {
  display: none;
}

.htmx-request .htmx-indicator {
  display: inline-flex;
  align-items: center;
}

#tender-list-results.htmx-request {
  opacity: 0.5;
  pointer-events: none;
}

/* 9. TENDER DETAIL SIDEBAR
----------------------------------------------------------------- */
.tender-sidebar {
  border: 1px solid var(--tr-border);
  box-shadow: var(--tr-shadow-sm);
}

.tender-sidebar__heading,
.tender-workflow__heading {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--tr-text-muted);
  margin-bottom: 0.875rem;
}

.tender-metadata {
  display: flex;
  flex-direction: column;
  margin: 0;
}

.tender-metadata__row {
  display: grid;
  grid-template-columns: 110px 1fr;
  column-gap: 0.5rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--tr-border);
  align-items: baseline;
}

.tender-metadata__row:last-child {
  border-bottom: none;
}

.tender-metadata dt {
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--tr-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.tender-metadata dd {
  font-size: 0.875rem;
  color: var(--tr-text);
  margin: 0;
  overflow-wrap: anywhere;
}

.cpv-code {
  font-family: var(--bs-font-monospace);
  font-size: 0.8125rem;
  background: var(--tr-surface-subtle);
  padding: 0.1em 0.4em;
  border-radius: 3px;
  color: var(--tr-text);
}

.external-link {
  font-size: 0.875rem;
  color: var(--tr-primary);
}

.tender-workflow {
  background: var(--tr-surface-subtle);
  border-top: 1px solid var(--tr-border);
}

/* 10. DASHBOARD PANELS
----------------------------------------------------------------- */
.dashboard-panel__heading {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--tr-text-secondary);
}

.dashboard-list-item {
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--tr-border);
}

.dashboard-list-item:last-child {
  border-bottom: none;
}

.sync-status-bar {
  font-size: 0.8125rem;
  color: var(--tr-text-muted);
  padding-top: 1rem;
  overflow-wrap: anywhere;
}

/* 11. STICKY SIDEBAR
----------------------------------------------------------------- */
@media (min-width: 992px) {
  .sticky-sidebar {
    position: sticky;
    top: 4.5rem;
    max-height: calc(100vh - 5rem);
    overflow-y: auto;
  }
}

/* 12. FLASH MESSAGES
----------------------------------------------------------------- */
.flash-stack {
  position: fixed;
  top: 4.5rem;
  right: 1rem;
  left: 1rem;
  z-index: 1055;
  min-width: 0;
  max-width: 420px;
  margin-left: auto;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* 13. EMPTY STATE
----------------------------------------------------------------- */
.empty-state {
  text-align: center;
  max-width: 360px;
  margin: 0 auto;
  padding: 3rem 1rem;
}

.empty-state__icon {
  font-size: 3rem;
  color: var(--tr-text-muted);
}

.empty-state__title {
  font-size: 1rem;
  font-weight: 500;
  color: var(--tr-text);
  margin-top: 1rem;
}

.empty-state__text {
  font-size: 0.875rem;
  color: var(--tr-text-secondary);
  margin-top: 0.5rem;
}

/* 14. FOCUS STATES
----------------------------------------------------------------- */
:focus-visible {
  outline: 2px solid var(--tr-primary);
  outline-offset: 2px;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--tr-primary);
  box-shadow: 0 0 0 3px rgba(30, 80, 162, 0.18);
}

.btn:focus-visible {
  box-shadow: 0 0 0 3px rgba(30, 80, 162, 0.25);
  outline: none;
}

/* 15. RESPONSIVE
----------------------------------------------------------------- */
@media (max-width: 767.98px) {
  .metric-cell {
    padding: 0.875rem 1rem;
  }

  .metric-value {
    font-size: 1.375rem;
  }

  .tender-sidebar {
    margin-top: 1.5rem;
  }

  .filter-bar .row {
    row-gap: 0.5rem;
  }

  .tender-metadata__row {
    grid-template-columns: 1fr;
    row-gap: 0.25rem;
  }

  .tender-table__head th {
    position: static;
  }

  .table-responsive {
    -webkit-overflow-scrolling: touch;
  }
}

/* 16. MOTION
----------------------------------------------------------------- */
@media (prefers-reduced-motion: no-preference) {
  #tender-list-results.htmx-request {
    position: relative;
  }

  #tender-list-results.htmx-request::before {
    content: "";
    display: block;
    height: 2px;
    background: linear-gradient(90deg, var(--tr-primary) 0%, #7EB5FF 50%, var(--tr-primary) 100%);
    background-size: 200% 100%;
    animation: tr-bar 1s linear infinite;
    border-radius: 1px;
    margin-bottom: -2px;
  }

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

  .metric-cell {
    animation: tr-up 0.2s ease-out both;
  }

  .metric-cell:nth-child(2) { animation-delay: 0.04s; }
  .metric-cell:nth-child(3) { animation-delay: 0.08s; }
  .metric-cell:nth-child(4) { animation-delay: 0.12s; }

  @keyframes tr-up {
    from { opacity: 0; transform: translateY(4px); }
    to   { opacity: 1; transform: translateY(0); }
  }

  .tender-row td {
    transition: background-color 0.1s ease;
  }

  .btn:active {
    transform: translateY(1px);
    transition: transform 0.05s ease;
  }

  #workflow-section {
    transition: opacity 0.15s ease;
  }
}

/* 17. REDUCED MOTION
----------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  #tender-list-results.htmx-request::before {
    display: none;
  }
}