/* ==========================================================================
   AUDB Design System
   Token layer loaded AFTER Bootstrap 5.3 + DataTables. Defines --ds-* tokens
   and remaps Bootstrap's own --bs-* variables so every Bootstrap and
   DataTables component adopts the system with no per-component markup.
   ========================================================================== */

:root {
  /* ---- Brand (violet) ---- */
  --ds-brand-50:  #f2ecff;
  --ds-brand-100: #e4d8ff;
  --ds-brand-500: #8257f6;
  --ds-brand-600: #6d3bf5;   /* primary */
  --ds-brand-700: #5a2fd6;   /* hover / active */
  --ds-brand-tint: rgba(109, 59, 245, .10);

  /* ---- Cool neutral scale ---- */
  --ds-ink:           #101114;
  --ds-ink-muted:     #5c6070;
  --ds-ink-faint:     #9497a9;
  --ds-border:        #e6e7ec;
  --ds-border-strong: #d7d9e0;
  --ds-surface:       #ffffff;
  --ds-surface-2:     #fbfbfd;
  --ds-canvas:        #f6f7f9;

  /* ---- Semantic ---- */
  --ds-success: #149e61; --ds-success-tint: rgba(20,158,97,.14);  --ds-success-ink: #0c6b41;
  --ds-warning: #b3730a; --ds-warning-tint: rgba(179,115,10,.16); --ds-warning-ink: #8a5a00;
  --ds-danger:  #d64550; --ds-danger-tint:  rgba(214,69,80,.14);  --ds-danger-ink:  #a5232c;
  --ds-info:    var(--ds-brand-600); --ds-info-tint: var(--ds-brand-tint); --ds-info-ink: var(--ds-brand-700);
  --ds-neutral-tint: rgba(92,96,112,.12); --ds-neutral-ink: #4a4e5c;

  /* ---- Row backgrounds (stronger than pill tints) ---- */
  --ds-row-danger-bg:  rgba(214, 69, 80, .20);
  --ds-row-warning-bg: rgba(179, 115, 10, .20);
  --ds-row-success-bg: rgba(20, 158, 97, .18);

  /* ---- Radius / elevation ---- */
  --ds-radius-sm: 6px;
  --ds-radius-md: 8px;
  --ds-radius-lg: 12px;
  --ds-radius-pill: 9999px;
  --ds-shadow-1: 0 1px 2px rgba(16,24,40,.06), 0 1px 3px rgba(16,24,40,.04);
  --ds-shadow-2: 0 4px 16px rgba(16,24,40,.08);

  /* ---- Type ---- */
  --ds-font-ui:   "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --ds-font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;

  /* ---- Remap Bootstrap onto tokens ---- */
  --bs-primary: var(--ds-brand-600);
  --bs-primary-rgb: 109, 59, 245;
  --bs-body-bg: var(--ds-canvas);
  --bs-body-color: var(--ds-ink);
  --bs-secondary-color: var(--ds-ink-muted);
  --bs-tertiary-color: var(--ds-ink-faint);
  --bs-border-color: var(--ds-border);
  --bs-border-color-translucent: var(--ds-border);
  --bs-border-radius: var(--ds-radius-md);
  --bs-border-radius-sm: var(--ds-radius-sm);
  --bs-border-radius-lg: var(--ds-radius-lg);
  --bs-body-font-family: var(--ds-font-ui);
  --bs-body-font-size: .9375rem;         /* 15px */
  --bs-body-font-weight: 400;
  --bs-link-color: var(--ds-brand-700);
  --bs-link-color-rgb: 90, 47, 214;
  --bs-link-hover-color: var(--ds-brand-600);
  --bs-emphasis-color: var(--ds-ink);
}

/* ---- Dark theme (Bootstrap-native data-bs-theme) ---- */
[data-bs-theme="dark"] {
  --ds-ink:           #f4f4f7;
  --ds-ink-muted:     #a7a6b8;
  --ds-ink-faint:     #6f6e80;
  --ds-border:        #2b2a36;
  --ds-border-strong: #3a3948;
  --ds-surface:       #1b1a22;
  --ds-surface-2:     #201f29;
  --ds-canvas:        #131219;

  --ds-brand-600: #8b6bff;
  --ds-brand-700: #7a58f6;
  --ds-brand-tint: rgba(139,107,255,.16);

  --ds-success-tint: rgba(20,158,97,.20); --ds-success-ink: #4fd39c;
  --ds-warning-tint: rgba(217,138,0,.22); --ds-warning-ink: #e7a53a;
  --ds-danger-tint:  rgba(214,69,80,.22); --ds-danger-ink:  #f08a92;
  --ds-neutral-tint: rgba(167,166,184,.16); --ds-neutral-ink: #c3c2d4;

  --ds-row-danger-bg:  rgba(214, 69, 80, .30);
  --ds-row-warning-bg: rgba(217, 138, 0, .28);
  --ds-row-success-bg: rgba(20, 158, 97, .26);

  --bs-primary: var(--ds-brand-600);
  --bs-primary-rgb: 139, 107, 255;
  --bs-link-color: #b6a2ff;
  --bs-link-color-rgb: 182, 162, 255;
  --bs-link-hover-color: #cdbfff;
  --bs-emphasis-color: var(--ds-ink);
  --ds-shadow-1: 0 1px 2px rgba(0,0,0,.3);
  --ds-shadow-2: 0 8px 24px rgba(0,0,0,.4);
}

/* ==========================================================================
   Base
   ========================================================================== */
body {
  background: var(--ds-canvas);
  color: var(--ds-ink);
  font-family: var(--ds-font-ui);
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5 { color: var(--ds-ink); font-weight: 600; letter-spacing: -.01em; }

.ds-mono {
  font-family: var(--ds-font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -.01em;
}

/* Section eyebrow / muted labels */
.ds-eyebrow {
  font-size: .6875rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: .06em; color: var(--ds-ink-muted);
}

/* Inline help icon (native title tooltip, no JS) */
.ds-info-icon {
  display: inline-block; margin-left: .25rem; color: var(--ds-ink-muted);
  cursor: help; font-size: .875em;
}

/* ==========================================================================
   Navbar
   ========================================================================== */
.ds-navbar {
  background: var(--ds-surface);
  border-bottom: 1px solid var(--ds-border);
  box-shadow: var(--ds-shadow-1);
}
.ds-navbar .navbar-brand {
  color: var(--ds-ink); font-weight: 700; letter-spacing: -.02em;
  display: inline-flex; align-items: center; gap: .5rem;
}
.ds-navbar .navbar-brand .ds-brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 26px; height: 26px; flex-shrink: 0;
  border-radius: var(--ds-radius-sm);
  overflow: hidden;
}
.ds-navbar .navbar-toggler {
  border-color: var(--ds-border); color: var(--ds-ink);
}
.ds-navbar .navbar-toggler:focus { box-shadow: 0 0 0 3px var(--ds-brand-tint); }
.ds-navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%235c6070' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
[data-bs-theme="dark"] .ds-navbar .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%23a7a6b8' stroke-width='2' stroke-linecap='round' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.ds-navbar .ds-user { color: var(--ds-ink-muted); font-size: .8125rem; }
.ds-navbar .ds-user strong { color: var(--ds-ink); font-weight: 600; }

/* Neutral theme toggle — carries no project identity, safe pre-login */
.ds-theme-toggle {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-md); background: var(--ds-surface);
  color: var(--ds-ink-muted); cursor: pointer; transition: background .15s, color .15s;
}
.ds-theme-toggle:hover { background: var(--ds-brand-tint); color: var(--ds-brand-600); }
.ds-theme-toggle:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ds-brand-tint); }
.ds-theme-toggle .ds-icon-moon { display: none; }
[data-bs-theme="dark"] .ds-theme-toggle .ds-icon-sun  { display: none; }
[data-bs-theme="dark"] .ds-theme-toggle .ds-icon-moon { display: inline; }
.ds-navbar .offcanvas { background: var(--ds-surface); color: var(--ds-ink); }
.ds-navbar .offcanvas .nav-link { color: var(--ds-ink); border-radius: var(--ds-radius-md); padding: .5rem .75rem; }
.ds-navbar .offcanvas .nav-link:hover { background: var(--ds-brand-tint); color: var(--ds-brand-600); }

/* ==========================================================================
   Cards / surfaces
   ========================================================================== */
.ds-card {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-lg);
  box-shadow: var(--ds-shadow-1);
  margin-top: 1rem;
}
.ds-card > .ds-card-head {
  display: flex; align-items: center; justify-content: space-between; gap: .75rem;
  flex-wrap: wrap;
  padding: 1rem 1.25rem; border-bottom: 1px solid var(--ds-border);
}
.ds-card > .ds-card-head h1,
.ds-card > .ds-card-head h2 { font-size: 1.1875rem; margin: 0; }
.ds-card > .ds-card-body { padding: 1.25rem; }
@media (max-width: 575.98px) {
  .ds-card > .ds-card-head, .ds-card > .ds-card-body { padding: .875rem; }
}

/* Plain Bootstrap cards (e.g. encumbrance views) inherit the flat token look;
   soften any heavy .shadow to the whisper elevation. */
.card {
  background: var(--ds-surface);
  border: 1px solid var(--ds-border);
  border-radius: var(--ds-radius-lg);
  color: var(--ds-ink);
}
.card .card-title, .card-title { color: var(--ds-ink); }
.shadow, .card.shadow { box-shadow: var(--ds-shadow-1) !important; }

.ds-stat {
  border: 1px solid var(--ds-border); border-radius: var(--ds-radius-md);
  background: var(--ds-surface-2); padding: .625rem .75rem; height: 100%;
}
.ds-stat .ds-stat-label { color: var(--ds-ink-muted); font-size: .75rem; }
.ds-stat .ds-stat-value { font-weight: 700; color: var(--ds-ink); }

/* ==========================================================================
   Tables — dense but scannable
   ========================================================================== */
.ds-table {
  --bs-table-bg: var(--ds-surface);
  --bs-table-color: var(--ds-ink);
  --bs-table-border-color: var(--ds-border);
  --bs-table-hover-bg: var(--ds-brand-tint);
  --bs-table-hover-color: var(--ds-ink);
  margin-bottom: 0;
}
.ds-table > thead th {
  font-size: .6875rem; text-transform: uppercase; letter-spacing: .05em;
  font-weight: 600; color: var(--ds-ink-muted);
  border-bottom: 1px solid var(--ds-border-strong);
  padding: .625rem .75rem; white-space: nowrap; background: var(--ds-surface);
  position: sticky; top: 0; z-index: 2;
}
.ds-table > tbody td {
  padding: .625rem .75rem; vertical-align: middle;
  border-bottom: 1px solid var(--ds-border); color: var(--ds-ink);
}
.ds-table > tbody tr:last-child td { border-bottom: 0; }
.ds-table > tbody tr:hover td { background: var(--ds-brand-tint); }
.ds-table > tbody tr.ds-row-danger td  { background: var(--ds-row-danger-bg); }
.ds-table > tbody tr.ds-row-warning td { background: var(--ds-row-warning-bg); }
.ds-table > tbody tr.ds-row-success td { background: var(--ds-row-success-bg); }
.ds-table > tbody tr.ds-row-danger:hover td,
.ds-table > tbody tr.ds-row-warning:hover td,
.ds-table > tbody tr.ds-row-success:hover td { filter: brightness(.97); }
.ds-table a { color: var(--ds-brand-700); text-decoration: none; font-weight: 500; }
.ds-table a:hover { text-decoration: underline; }
.ds-num { text-align: right; font-family: var(--ds-font-mono); font-variant-numeric: tabular-nums; }

/* ==========================================================================
   Pills / badges
   ========================================================================== */
.ds-pill {
  display: inline-flex; align-items: center; gap: .3rem;
  padding: .15rem .55rem; border-radius: var(--ds-radius-pill);
  font-size: .75rem; font-weight: 600; line-height: 1.4; white-space: nowrap;
  background: var(--ds-neutral-tint); color: var(--ds-neutral-ink);
}
.ds-pill::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: currentColor; opacity: .9; flex: none;
}
.ds-pill.ds-pill--plain::before { display: none; }
.ds-pill.ds-pill--success { background: var(--ds-success-tint); color: var(--ds-success-ink); }
.ds-pill.ds-pill--warning { background: var(--ds-warning-tint); color: var(--ds-warning-ink); }
.ds-pill.ds-pill--danger  { background: var(--ds-danger-tint);  color: var(--ds-danger-ink); }
.ds-pill.ds-pill--info    { background: var(--ds-info-tint);    color: var(--ds-info-ink); }
.ds-pill.ds-pill--neutral { background: var(--ds-neutral-tint); color: var(--ds-neutral-ink); }
a.ds-pill { text-decoration: none; }
a.ds-pill:hover { filter: brightness(.97); }

/* ==========================================================================
   Icon action buttons — accessible replacements for bare emoji
   ========================================================================== */
.ds-actions { display: inline-flex; align-items: center; gap: .125rem; }
.ds-icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; padding: 0; margin: 0;
  border: 1px solid transparent; border-radius: var(--ds-radius-md);
  background: transparent; color: var(--ds-ink-muted);
  font-size: .95rem; line-height: 1; cursor: pointer; text-decoration: none;
  transition: background .15s, color .15s, border-color .15s;
}
.ds-icon-btn:hover { background: var(--ds-brand-tint); color: var(--ds-brand-600); }
.ds-icon-btn:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--ds-brand-tint); }
.ds-icon-btn.ds-icon-btn--danger:hover  { background: var(--ds-danger-tint);  color: var(--ds-danger-ink); }
.ds-icon-btn.ds-icon-btn--success:hover { background: var(--ds-success-tint); color: var(--ds-success-ink); }
/* Guarantee a >=44px touch target without enlarging the visual box */
.ds-icon-btn::after { content: ""; position: absolute; }
@media (pointer: coarse) {
  .ds-icon-btn { width: 44px; height: 44px; }
}

/* ==========================================================================
   Forms
   ========================================================================== */
.form-label { font-size: .8125rem; font-weight: 600; color: var(--ds-ink-muted); margin-bottom: .25rem; }
.form-control, .form-select {
  background: var(--ds-surface); color: var(--ds-ink);
  border: 1px solid var(--ds-border); border-radius: var(--ds-radius-md);
  padding: .5rem .75rem; min-height: 44px;
}
.form-control::placeholder { color: var(--ds-ink-faint); }
.form-control:focus, .form-select:focus {
  border-color: var(--ds-brand-500); box-shadow: 0 0 0 3px var(--ds-brand-tint);
  background: var(--ds-surface);
}
.btn { border-radius: var(--ds-radius-md); font-weight: 600; }
.btn-primary {
  --bs-btn-bg: var(--ds-brand-600); --bs-btn-border-color: var(--ds-brand-600);
  --bs-btn-hover-bg: var(--ds-brand-700); --bs-btn-hover-border-color: var(--ds-brand-700);
  --bs-btn-active-bg: var(--ds-brand-700); --bs-btn-active-border-color: var(--ds-brand-700);
}
.btn:focus-visible { box-shadow: 0 0 0 3px var(--ds-brand-tint); }

/* ==========================================================================
   DataTables 2.x controls (bootstrap5 integration)
   ========================================================================== */
.dataTables_wrapper, .dt-container { color: var(--ds-ink-muted); }
.dt-container .dt-search input,
.dt-container .dt-length select,
div.dataTables_wrapper .dataTables_filter input {
  background: var(--ds-surface); color: var(--ds-ink);
  border: 1px solid var(--ds-border); border-radius: var(--ds-radius-md);
  padding: .375rem .625rem; min-height: 38px;
}
.dt-container .dt-search input:focus {
  border-color: var(--ds-brand-500); box-shadow: 0 0 0 3px var(--ds-brand-tint); outline: none;
}
.dt-container .dt-info,
.dt-container .dt-length,
.dt-container .dt-search { color: var(--ds-ink-muted); font-size: .8125rem; }
.dt-container .dt-paging .dt-paging-button.current,
.dt-container .dt-paging .page-item.active .page-link {
  background: var(--ds-brand-600); border-color: var(--ds-brand-600); color: #fff;
}
.dt-container .dt-paging .page-link { color: var(--ds-brand-700); }
.dt-container .dt-paging .page-link:hover { background: var(--ds-brand-tint); }
table.dataTable > thead .dt-orderable-asc span.dt-column-order::before,
table.dataTable > thead .dt-orderable-desc span.dt-column-order::after { color: var(--ds-ink-faint); }
table.dataTable > thead .dt-ordering-asc span.dt-column-order::before,
table.dataTable > thead .dt-ordering-desc span.dt-column-order::after { color: var(--ds-brand-600); }

/* ==========================================================================
   Responsive (supersedes responsive.css)
   ========================================================================== */
@media (max-width: 767.98px) {
  .ds-table { font-size: .875rem; }
  .ds-table > thead th, .ds-table > tbody td { padding: .5rem .5rem; }
  .navbar-brand { font-size: 1rem; }
}
@media (max-width: 575.98px) {
  .ds-table { font-size: .8125rem; }
  .container { padding-left: 12px; padding-right: 12px; }
}

/* ---- Mobile card layout for ds-table ---- */
@media (max-width: 767.98px) {
  .table-responsive { border: none; overflow: visible; }

  .ds-table > thead { display: none; }

  .ds-table > tbody tr {
    display: flex; flex-wrap: wrap;
    gap: .375rem .75rem;
    border: 1px solid var(--ds-border);
    border-radius: var(--ds-radius-md);
    background: var(--ds-surface);
    box-shadow: var(--ds-shadow-1);
    padding: .625rem .75rem;
    margin-bottom: .625rem;
  }

  .ds-table > tbody td {
    display: flex; align-items: baseline; gap: .375rem;
    border: none; padding: 0;
    font-size: .8125rem;
    width: auto !important; min-width: 0 !important;
  }

  .ds-table > tbody td::before {
    content: attr(data-label);
    font-size: .6875rem; font-weight: 600;
    text-transform: uppercase; letter-spacing: .04em;
    color: var(--ds-ink-muted); white-space: nowrap;
  }

  .ds-table > tbody td:first-child {
    width: 100% !important; font-weight: 600;
  }

  .ds-table > tbody td.text-end {
    margin-left: auto; justify-content: flex-end;
  }

  .ds-table > tbody tr.ds-row-danger  { border-left: 3px solid var(--ds-danger); }
  .ds-table > tbody tr.ds-row-warning { border-left: 3px solid var(--ds-warning); }
  .ds-table > tbody tr.ds-row-success { border-left: 3px solid var(--ds-success); }

  .ds-table > tbody tr:hover td { background: transparent; }
}
@media print {
  .ds-navbar, .ds-actions, .ds-theme-toggle { display: none !important; }
}

/* ==========================================================================
   Bid-path trajectory chart (server-rendered SVG, see B5 bid-path analytics)
   ========================================================================== */
.bid-path-chart-wrapper {
  width: 100%;
  max-width: 640px;
}

.bid-path-chart {
  width: 100%;
  height: auto;
}

.bid-path-point-none {
  fill: #0d6efd;
}

.bid-path-point-warning {
  fill: #ffc107;
  stroke: #997404;
  stroke-width: 1;
}

.bid-path-point-danger {
  fill: #dc3545;
  stroke: #842029;
  stroke-width: 1;
}