/* ==========================================================================
   BOS ImageHub — Scandinavian power-tool theme
   A Bootstrap 5 compatible theme layer. Load AFTER bootstrap.min.css.
   Tokens drive both custom component classes and Bootstrap variable overrides.
   ========================================================================== */

:root {
  /* Surfaces ------------------------------------------------------------- */
  --paper:        #F4F2EC;   /* app background — warm off-white          */
  --surface:      #FFFFFF;   /* panels / cards                            */
  --surface-2:    #FAF8F3;   /* subtle inset surface                      */
  --surface-3:    #F0EDE5;   /* image-slot wells, table head             */

  /* Ink ----------------------------------------------------------------- */
  --ink:          #222B30;   /* headings / primary text                  */
  --ink-2:        #404B53;   /* body text                                */
  --muted:        #6A7480;   /* secondary text                           */
  --faint:        #98A0A8;   /* tertiary / placeholders                  */

  /* Lines --------------------------------------------------------------- */
  --line:         #E4E1D8;   /* hairline border (warm)                   */
  --line-2:       #EDEAE2;   /* lighter divider                          */
  --line-strong:  #D4D0C5;   /* emphasised border                        */

  /* Brand — fjord blue -------------------------------------------------- */
  --blue:         #3A6B92;
  --blue-600:     #315B7D;
  --blue-700:     #294C68;
  --blue-tint:    #E9F0F5;
  --blue-tint-2:  #DCE8F0;
  --blue-line:    #C5D8E5;

  /* Status (muted) ------------------------------------------------------ */
  --green:        #4C7A5A;   --green-tint:  #E7F0E9;  --green-line: #C9E0D0;
  --amber:        #A9792E;   --amber-tint:  #F6EEDC;  --amber-line: #E8D4A8;
  --clay:         #B0524A;   --clay-tint:   #F6E6E3;  --clay-line:  #E8C6C1;
  --sky:          #3E7C9B;   --sky-tint:    #E6F0F4;

  /* Geometry ------------------------------------------------------------ */
  --r-xs: 4px;  --r-sm: 6px;  --r-md: 8px;  --r-lg: 11px;  --r-pill: 999px;
  --shadow-sm: 0 1px 2px rgba(34,43,48,.04);
  --shadow:    0 4px 16px -6px rgba(34,43,48,.16);
  --shadow-lg: 0 18px 48px -18px rgba(34,43,48,.30);

  --sidebar-w: 244px;

  /* Bootstrap overrides ------------------------------------------------- */
  --bs-primary: #3A6B92;
  --bs-primary-rgb: 58,107,146;
  --bs-body-color: #404B53;
  --bs-body-bg: #F4F2EC;
  --bs-border-color: #E4E1D8;
  --bs-border-radius: 8px;
  --bs-border-radius-sm: 6px;
  --bs-link-color: #315B7D;
  --bs-link-hover-color: #294C68;
  --bs-font-sans-serif: 'Hanken Grotesk', system-ui, -apple-system, sans-serif;
}

/* ---------------------------------------------------------------- Base --- */
* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--bs-font-sans-serif);
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-2);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-feature-settings: "ss01", "cv01";
}

.mono, code, .sku, .ean, kbd {
  font-family: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', monospace;
  font-feature-settings: "zero" 1;
}

h1,h2,h3,h4,h5,h6 { color: var(--ink); font-weight: 600; letter-spacing: -0.01em; }

a { text-decoration: none; }
hr { border-color: var(--line); opacity: 1; }

::selection { background: var(--blue-tint-2); }

/* Calm scrollbars */
*::-webkit-scrollbar { width: 10px; height: 10px; }
*::-webkit-scrollbar-thumb { background: #D9D5CB; border-radius: 999px; border: 3px solid transparent; background-clip: content-box; }
*::-webkit-scrollbar-thumb:hover { background: #C7C2B6; background-clip: content-box; }

.text-muted { color: var(--muted) !important; }
.text-faint  { color: var(--faint); }
.fw-medium { font-weight: 500; }
.eyebrow {
  font-size: 11px; font-weight: 600; letter-spacing: .09em; text-transform: uppercase;
  color: var(--faint);
}

/* ============================================================ App shell === */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
}

/* ----- Sidebar ----- */
.sidebar {
  position: sticky; top: 0; align-self: start;
  height: 100vh;
  display: flex; flex-direction: column;
  background: var(--surface);
  border-right: 1px solid var(--line);
}
.sidebar__brand {
  display: flex; align-items: center; gap: 10px;
  padding: 18px 18px 16px;
  border-bottom: 1px solid var(--line-2);
}
.brandmark {
  width: 30px; height: 30px; border-radius: 8px; flex: none;
  background: var(--blue); color: #fff;
  display: grid; place-items: center;
  font-weight: 700; font-size: 15px; letter-spacing: -.02em;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.12);
}
.sidebar__brand .name { font-weight: 600; color: var(--ink); font-size: 14.5px; line-height: 1.1; }
.sidebar__brand .sub  { font-size: 11px; color: var(--faint); }

.sidebar__group { padding: 12px 12px 4px; }
.sidebar__label {
  font-size: 10.5px; font-weight: 600; letter-spacing: .1em; text-transform: uppercase;
  color: var(--faint); padding: 6px 10px 4px;
}
.nav-item-link {
  display: flex; align-items: center; gap: 11px;
  padding: 8px 10px; margin: 1px 0;
  border-radius: var(--r-sm);
  color: var(--ink-2); font-weight: 500; font-size: 13.5px;
  position: relative; cursor: pointer;
  transition: background .12s ease, color .12s ease;
}
.nav-item-link .bi { font-size: 16px; color: var(--muted); width: 18px; text-align: center; }
.nav-item-link:hover { background: var(--surface-2); color: var(--ink); }
.nav-item-link:hover .bi { color: var(--ink-2); }
.nav-item-link.active { background: var(--blue-tint); color: var(--blue-700); }
.nav-item-link.active .bi { color: var(--blue); }
.nav-item-link.active::before {
  content: ""; position: absolute; left: -12px; top: 7px; bottom: 7px;
  width: 3px; border-radius: 0 3px 3px 0; background: var(--blue);
}
.nav-item-link .count {
  margin-left: auto; font-size: 11px; font-weight: 600;
  background: var(--surface-3); color: var(--muted);
  padding: 1px 7px; border-radius: var(--r-pill);
}
.nav-item-link.active .count { background: var(--blue-tint-2); color: var(--blue-700); }

.sidebar__spacer { flex: 1; }
.sidebar__foot { padding: 12px; border-top: 1px solid var(--line-2); }
.userchip {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 10px; border-radius: var(--r-sm); cursor: pointer;
}
.userchip:hover { background: var(--surface-2); }
.avatar {
  width: 30px; height: 30px; border-radius: 50%; flex: none;
  background: var(--blue-tint-2); color: var(--blue-700);
  display: grid; place-items: center; font-weight: 600; font-size: 12px;
}
.userchip .who { line-height: 1.15; min-width: 0; }
.userchip .who .nm { font-weight: 600; color: var(--ink); font-size: 13px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.userchip .who .em { font-size: 11px; color: var(--faint); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ----- Main column ----- */
.main { min-width: 0; display: flex; flex-direction: column; }

.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 16px;
  padding: 12px 28px;
  background: rgba(244,242,236,.86);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--line);
}
.topbar h1 { font-size: 17px; margin: 0; }
.topbar .crumb { font-size: 12.5px; color: var(--muted); }
.topbar .spacer { flex: 1; }

.content { padding: 24px 28px 56px; }
.content--narrow { max-width: 980px; }
.page-wide { max-width: 1320px; }

/* ============================================================== Panels === */
.panel {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
}
.panel + .panel { margin-top: 18px; }
.panel__head {
  display: flex; align-items: center; gap: 12px;
  padding: 13px 18px;
  border-bottom: 1px solid var(--line-2);
}
.panel__head .ttl { font-size: 13.5px; font-weight: 600; color: var(--ink); display: flex; align-items: center; gap: 8px; }
.panel__head .ttl .bi { color: var(--muted); font-size: 15px; }
.panel__head .spacer { flex: 1; }
.panel__sub { font-size: 12px; color: var(--muted); margin-top: 1px; }
.panel__body { padding: 18px; }
.panel__body--tight { padding: 14px; }
.panel__foot {
  padding: 12px 18px; border-top: 1px solid var(--line-2);
  display: flex; align-items: center; gap: 10px; background: var(--surface-2);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}

/* Bootstrap card → flat panel parity */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); }
.card.shadow-sm { box-shadow: var(--shadow-sm) !important; }
.card-title { color: var(--ink); font-weight: 600; }

/* =============================================================== Buttons === */
.btn {
  --bs-btn-border-radius: var(--r-sm);
  font-weight: 600; font-size: 13.5px;
  border-radius: var(--r-sm);
  padding: 7px 14px;
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  transition: background .12s ease, border-color .12s ease, color .12s ease, box-shadow .12s;
}
.btn .bi { font-size: 15px; }
.btn-sm { padding: 4px 10px; font-size: 12.5px; border-radius: var(--r-xs); }
.btn-lg { padding: 10px 18px; font-size: 15px; }

.btn-primary {
  --bs-btn-bg: var(--blue); --bs-btn-border-color: var(--blue);
  --bs-btn-hover-bg: var(--blue-600); --bs-btn-hover-border-color: var(--blue-600);
  --bs-btn-active-bg: var(--blue-700); --bs-btn-active-border-color: var(--blue-700);
  --bs-btn-disabled-bg: var(--blue); --bs-btn-disabled-border-color: var(--blue);
  box-shadow: var(--shadow-sm);
}
.btn-success {
  --bs-btn-bg: var(--green); --bs-btn-border-color: var(--green);
  --bs-btn-hover-bg: #426b4e; --bs-btn-hover-border-color: #426b4e;
  --bs-btn-active-bg: #3a6045; --bs-btn-active-border-color: #3a6045;
}
.btn-outline-secondary {
  --bs-btn-color: var(--ink-2); --bs-btn-border-color: var(--line-strong);
  --bs-btn-bg: var(--surface);
  --bs-btn-hover-bg: var(--surface-2); --bs-btn-hover-border-color: var(--line-strong); --bs-btn-hover-color: var(--ink);
  --bs-btn-active-bg: var(--surface-3); --bs-btn-active-color: var(--ink); --bs-btn-active-border-color: var(--line-strong);
  background: var(--surface);
}
.btn-outline-primary {
  --bs-btn-color: var(--blue-700); --bs-btn-border-color: var(--blue-line);
  --bs-btn-hover-bg: var(--blue-tint); --bs-btn-hover-color: var(--blue-700); --bs-btn-hover-border-color: var(--blue-line);
  --bs-btn-active-bg: var(--blue-tint-2); --bs-btn-active-color: var(--blue-700); --bs-btn-active-border-color: var(--blue-line);
  background: var(--surface);
}
.btn-outline-success {
  --bs-btn-color: var(--green); --bs-btn-border-color: var(--green-line);
  --bs-btn-hover-bg: var(--green-tint); --bs-btn-hover-color: var(--green); --bs-btn-hover-border-color: var(--green-line);
  background: var(--surface);
}
.btn-outline-danger {
  --bs-btn-color: var(--clay); --bs-btn-border-color: var(--clay-line);
  --bs-btn-hover-bg: var(--clay-tint); --bs-btn-hover-color: var(--clay); --bs-btn-hover-border-color: var(--clay-line);
  background: var(--surface);
}
.btn-outline-info {
  --bs-btn-color: var(--sky); --bs-btn-border-color: #bcd7e1;
  --bs-btn-hover-bg: var(--sky-tint); --bs-btn-hover-color: var(--sky); --bs-btn-hover-border-color: #bcd7e1;
  background: var(--surface);
}
.btn-secondary {
  --bs-btn-bg: #5b6770; --bs-btn-border-color: #5b6770;
  --bs-btn-hover-bg: #4d585f; --bs-btn-hover-border-color: #4d585f;
}
.btn-ghost {
  background: transparent; color: var(--muted); border: 1px solid transparent;
}
.btn-ghost:hover { background: var(--surface-2); color: var(--ink); }
.btn-link { color: var(--blue-700); }

/* ================================================================ Forms === */
.form-label {
  font-size: 12px; font-weight: 600; color: var(--ink-2);
  margin-bottom: 5px; letter-spacing: .005em;
}
.form-control, .form-select {
  font-size: 13.5px;
  color: var(--ink);
  background-color: var(--surface);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 7px 11px;
  box-shadow: none;
  transition: border-color .12s ease, box-shadow .12s ease;
}
.form-control::placeholder { color: var(--faint); }
.form-control:focus, .form-select:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px var(--blue-tint-2);
  background-color: var(--surface);
}
.form-control-sm, .form-select-sm { font-size: 12.5px; padding: 5px 9px; }
.input-group-text { background: var(--surface-2); border-color: var(--line-strong); color: var(--muted); font-size: 13px; }
.form-text { color: var(--muted); font-size: 11.5px; }
textarea.form-control { line-height: 1.55; }
.form-control-color { padding: 4px; border-radius: var(--r-sm); }

.form-check-input { border-color: var(--line-strong); }
.form-check-input:checked { background-color: var(--blue); border-color: var(--blue); }
.form-check-input:focus { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-tint-2); }

/* Search field with icon */
.search {
  position: relative; display: flex; align-items: center;
}
.search .bi {
  position: absolute; left: 12px; color: var(--faint); font-size: 15px; pointer-events: none;
}
.search input { padding-left: 34px; }

/* ============================================================ Segmented === */
.segmented {
  display: inline-flex; padding: 3px; gap: 2px;
  background: var(--surface-3); border-radius: var(--r-sm);
  border: 1px solid var(--line);
}
.segmented button, .segmented .seg {
  border: 0; background: transparent; cursor: pointer;
  font: inherit; font-size: 12.5px; font-weight: 600; color: var(--muted);
  padding: 4px 12px; border-radius: 4px; display: inline-flex; align-items: center; gap: 6px;
  transition: background .12s, color .12s;
}
.segmented .seg:hover { color: var(--ink); }
.segmented .seg.active {
  background: var(--surface); color: var(--ink);
  box-shadow: var(--shadow-sm);
}
.segmented .seg .dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); }
.segmented .seg .dot.empty { background: var(--line-strong); }

/* ================================================================ Badges === */
.badge { font-weight: 600; font-size: 11px; padding: 3px 8px; border-radius: var(--r-pill); letter-spacing: .01em; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 11.5px; font-weight: 600; padding: 3px 9px;
  border-radius: var(--r-pill); border: 1px solid transparent; white-space: nowrap;
}
.chip .bi { font-size: 12px; }
.chip--neutral { background: var(--surface-3); color: var(--ink-2); border-color: var(--line); }
.chip--blue    { background: var(--blue-tint); color: var(--blue-700); border-color: var(--blue-line); }
.chip--green   { background: var(--green-tint); color: #38614a; border-color: var(--green-line); }
.chip--amber   { background: var(--amber-tint); color: #7d5a20; border-color: var(--amber-line); }
.chip--clay    { background: var(--clay-tint); color: #8d3f38; border-color: var(--clay-line); }
.chip--sky     { background: var(--sky-tint); color: #2f5f76; border-color: #bcd7e1; }
.dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.dot--green { background: var(--green); } .dot--amber { background: var(--amber); }
.dot--clay { background: var(--clay); } .dot--muted { background: var(--line-strong); }
.dot--blue { background: var(--blue); }

/* ================================================================ Tables === */
.table { --bs-table-bg: transparent; color: var(--ink-2); margin: 0; }
.table > :not(caption) > * > * { padding: 11px 14px; border-bottom-color: var(--line-2); }
.table thead th {
  font-size: 11px; font-weight: 600; letter-spacing: .06em; text-transform: uppercase;
  color: var(--muted); background: var(--surface-2);
  border-bottom: 1px solid var(--line); white-space: nowrap;
}
.table tbody tr { transition: background .1s ease; }
.table tbody tr:hover { background: var(--surface-2); }
.table.table-flush thead th { background: transparent; }
.table-responsive { border-radius: var(--r-lg); }

/* ====================================================== Image slot tiles === */
.slot-tile {
  border: 1px solid var(--line); border-radius: var(--r-md);
  overflow: hidden; background: var(--surface);
  display: flex; flex-direction: column;
  transition: border-color .12s ease, box-shadow .12s ease;
}
.slot-tile:hover { border-color: var(--line-strong); box-shadow: var(--shadow-sm); }
.slot-well {
  position: relative; aspect-ratio: 4 / 5;
  background:
    linear-gradient(45deg, #efece5 25%, transparent 25%, transparent 75%, #efece5 75%) 0 0/18px 18px,
    linear-gradient(45deg, #efece5 25%, transparent 25%, transparent 75%, #efece5 75%) 9px 9px/18px 18px,
    var(--surface-2);
  display: grid; place-items: center; overflow: hidden;
}
.slot-well img { width: 100%; height: 100%; object-fit: contain; }
.slot-well.is-empty {
  background: var(--surface-2);
}
.slot-empty {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  color: var(--faint); font-size: 11.5px; font-weight: 500;
}
.slot-empty .bi { font-size: 22px; opacity: .55; }
.slot-tag {
  position: absolute; top: 8px; left: 8px;
  font-size: 10.5px; font-weight: 600; letter-spacing: .03em;
  background: rgba(255,255,255,.92); color: var(--ink-2);
  padding: 2px 7px; border-radius: var(--r-pill);
  border: 1px solid var(--line);
}
.slot-status {
  position: absolute; top: 8px; right: 8px;
  width: 18px; height: 18px; border-radius: 50%;
  display: grid; place-items: center; font-size: 10px; color: #fff;
}
.slot-status.up { background: var(--green); }
.slot-status.plytix { background: var(--sky); }
.slot-foot {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 8px 10px; border-top: 1px solid var(--line-2);
}
.slot-foot .lab { font-size: 12px; font-weight: 600; color: var(--ink); }
.slot-foot .st { font-size: 11px; color: var(--muted); display: flex; align-items: center; gap: 5px; }

/* ============================================================ Stat / meta === */
.metrow { display: flex; flex-wrap: wrap; gap: 0; }
.metric {
  padding: 2px 18px 2px 0; margin-right: 18px;
}
.metric + .metric { border-left: 1px solid var(--line); padding-left: 18px; }
.metric .k { font-size: 10.5px; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; color: var(--faint); }
.metric .v { font-size: 14px; font-weight: 600; color: var(--ink); margin-top: 1px; }

.field-row { display: grid; grid-template-columns: 120px 1fr; gap: 12px; align-items: center; padding: 9px 0; border-bottom: 1px solid var(--line-2); }
.field-row:last-child { border-bottom: 0; }
.field-row .k { font-size: 12px; font-weight: 600; color: var(--muted); }

/* ================================================================== Tabs === */
.nav-tabs { border-bottom: 1px solid var(--line); gap: 2px; }
.nav-tabs .nav-link {
  border: 0; border-bottom: 2px solid transparent;
  color: var(--muted); font-weight: 600; font-size: 13px;
  padding: 9px 14px; border-radius: 0; margin-bottom: -1px;
  display: inline-flex; align-items: center; gap: 7px;
}
.nav-tabs .nav-link:hover { color: var(--ink); border-bottom-color: var(--line-strong); }
.nav-tabs .nav-link.active { color: var(--blue-700); background: transparent; border-bottom-color: var(--blue); }
.nav-tabs .nav-link .bi { font-size: 14px; }

/* ============================================================ Tree / list == */
.tree { font-size: 13px; }
.tree-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 10px; border-radius: var(--r-sm); color: var(--ink-2);
}
.tree-row:hover { background: var(--surface-2); }
.tree-row.active { background: var(--blue-tint); color: var(--blue-700); }
.tree-row .bi { color: var(--muted); font-size: 14px; }
.tree-row.active .bi { color: var(--blue); }
.tree-sku { font-family: 'IBM Plex Mono', monospace; font-size: 12.5px; }
.tree-children { margin-left: 16px; border-left: 1px solid var(--line); padding-left: 6px; }

/* ============================================================== Alerts ===== */
.alert { border-radius: var(--r-md); border: 1px solid var(--line); font-size: 13px; padding: 11px 14px; }
.alert-info { background: var(--sky-tint); border-color: #bcd7e1; color: #2f5f76; }
.alert-success { background: var(--green-tint); border-color: var(--green-line); color: #38614a; }
.alert-warning { background: var(--amber-tint); border-color: var(--amber-line); color: #7d5a20; }
.alert-danger { background: var(--clay-tint); border-color: var(--clay-line); color: #8d3f38; }

/* =============================================================== Utilities = */
.hairline { border-color: var(--line) !important; }
.bg-surface-2 { background: var(--surface-2); }
.rounded-lg { border-radius: var(--r-lg) !important; }
.gap-1\.5 { gap: 6px; }

.divide-y > * + * { border-top: 1px solid var(--line-2); }

.swatch {
  width: 30px; height: 30px; border-radius: var(--r-sm);
  border: 1px solid rgba(0,0,0,.12); flex: none;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.25);
}

/* Empty state */
.empty-state {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  padding: 48px 24px; color: var(--muted);
}
.empty-state .ico {
  width: 56px; height: 56px; border-radius: 16px; display: grid; place-items: center;
  background: var(--blue-tint); color: var(--blue); font-size: 26px; margin-bottom: 14px;
}

/* Modal polish */
.modal-content { border: 1px solid var(--line); border-radius: var(--r-lg); box-shadow: var(--shadow-lg); }
.modal-header, .modal-footer { border-color: var(--line-2); }
.modal-title { font-size: 15px; }

/* Responsive: collapse sidebar to top on small screens */
@media (max-width: 860px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; flex-direction: row; flex-wrap: wrap; align-items: center; }
  .sidebar__brand { border-bottom: 0; }
  .sidebar__group, .sidebar__spacer, .sidebar__foot { display: none; }
  .content { padding: 18px; }
}