/* ═══════════════════════════════════════════════════════════════
   FIVE STAR — Dispatch Sidebar (shared CSS)
   ───────────────────────────────────────────────────────────────
   Used by:
   - dispatch/index.html      (Dashboard / Map / Alerts / Vehicles
                              / Reports / Ratings views)
   - dispatch/drivers.html    (Driver roster)
   - dispatch/fleet.html      (Vehicle fleet)
   - dispatch/partners.html   (Partner network)
   - any future dispatch/* sub-page

   Each consuming page sets <body class="sb-layout" data-page="X">
   where X is the nav key (drivers, fleet, partners, dashboard, etc).
   ═══════════════════════════════════════════════════════════════ */

/* Sidebar-scoped tokens (don't conflict with each page's own theme) */
.sb-layout{
  --sb-bg:#111318;
  --sb-bg-2:#181c23;
  --sb-bg-3:#1e2330;
  --sb-border:rgba(255,255,255,.07);
  --sb-border-2:rgba(255,255,255,.12);
  --sb-text:#7c8899;
  --sb-text-strong:#f0f3f8;
  --sb-text-active:#f0d07a;
  --sb-gold:#c9a24d;
  --sb-gold-grad:linear-gradient(135deg,#6b4e1a 0%,#c9a24d 50%,#f0d07a 100%);
  --sb-active-bg:rgba(201,162,77,.12);
  --sb-active-border:rgba(201,162,77,.22);
  --sb-ok:#00b341;
  --sb-red:#f04747;
  --sb-shadow:0 6px 24px rgba(0,0,0,.4);
  --sb-topbar-bg:rgba(10,11,13,.94);
}

/* App shell: body doesn't scroll, viewport is fixed-height.
 * Sidebar and main content each scroll independently so the
 * sidebar stays pinned regardless of page length. */
body.sb-layout{height:100vh;overflow:hidden;margin:0}
.sb-layout #app,
.sb-layout .sb-app{display:grid;grid-template-columns:240px 1fr;height:100vh;overflow:hidden}

/* ══ SIDEBAR ══════════════════════════════════════════════════ */
.sb-layout .sidebar{
  background:var(--sb-bg);
  border-right:1px solid var(--sb-border);
  display:flex;flex-direction:column;
  height:100vh;
  overflow-y:auto;overflow-x:hidden;
}
.sb-layout .sidebar-header{
  padding:18px 18px 16px;display:flex;align-items:center;gap:12px;
  border-bottom:1px solid var(--sb-border);flex-shrink:0;
}
.sb-layout .sidebar-logo{height:44px;width:auto;max-width:140px;object-fit:contain;flex-shrink:0;display:block}
.sb-layout .sidebar-brand-mark{
  display:none;width:36px;height:36px;background:var(--sb-gold-grad);
  color:#000;border-radius:10px;align-items:center;justify-content:center;
  font-family:'Bebas Neue',sans-serif;font-size:15px;font-weight:900;
  letter-spacing:.5px;flex-shrink:0;box-shadow:0 2px 8px rgba(201,162,77,.3);
}
.sb-layout .sidebar-brand{
  font-family:'Bebas Neue',sans-serif;font-size:18px;letter-spacing:.4px;
  color:var(--sb-text-strong);line-height:1;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.sb-layout .sidebar-brand-sub{
  font-size:9.5px;font-weight:600;color:var(--sb-text);
  margin-top:4px;letter-spacing:.12em;text-transform:uppercase;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.sb-layout .sidebar-section-title{
  padding:16px 22px 7px;font-size:10px;font-weight:700;
  letter-spacing:.16em;color:var(--sb-text);text-transform:uppercase;opacity:.72;
}
.sb-layout .sidebar-nav{display:flex;flex-direction:column;gap:2px;padding:0 10px}
.sb-layout .sb-item{
  display:flex;align-items:center;gap:12px;padding:10px 12px;
  background:transparent;border:1px solid transparent;border-radius:10px;
  color:var(--sb-text);font-size:13px;font-weight:600;text-align:left;
  cursor:pointer;text-decoration:none;
  transition:background .15s ease,color .15s ease,border-color .15s ease;
  position:relative;width:100%;
  font-family:'IBM Plex Sans',system-ui,sans-serif;
}
.sb-layout .sb-item:hover{background:var(--sb-bg-2);color:var(--sb-text-strong);transform:none}
.sb-layout .sb-item.active{
  background:var(--sb-active-bg);color:var(--sb-text-active);
  border-color:var(--sb-active-border);
}
.sb-layout .sb-item.active::before{
  content:'';position:absolute;left:-10px;top:9px;bottom:9px;width:3px;
  background:var(--sb-gold);border-radius:0 3px 3px 0;
  box-shadow:0 0 8px rgba(201,162,77,.5);
}
.sb-layout .sb-icon{
  font-size:14px;width:18px;text-align:center;flex-shrink:0;line-height:1;
  font-family:'Segoe UI Emoji','Apple Color Emoji','Noto Color Emoji','IBM Plex Sans',system-ui,sans-serif;
}
.sb-layout .sb-label{flex:1;line-height:1}
.sb-layout .sb-badge{
  background:var(--sb-gold);color:#000;font-size:9px;font-weight:900;
  border-radius:999px;padding:2px 6px;min-width:16px;text-align:center;line-height:1.2;
}

/* Sidebar footer (user + actions) */
.sb-layout .sidebar-footer{
  margin-top:auto;padding:14px 12px;border-top:1px solid var(--sb-border);
  display:flex;flex-direction:column;gap:12px;flex-shrink:0;
}
.sb-layout .sidebar-user{display:flex;align-items:center;gap:10px;padding:6px 4px}
.sb-layout .sidebar-user-avatar{
  width:34px;height:34px;border-radius:50%;background:var(--sb-gold-grad);
  color:#000;display:grid;place-items:center;font-weight:900;font-size:13px;
  flex-shrink:0;box-shadow:0 2px 8px rgba(201,162,77,.25);
}
.sb-layout .sidebar-user-info{flex:1;min-width:0}
.sb-layout .sidebar-user-name{
  font-size:12.5px;font-weight:700;color:var(--sb-text-strong);
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.2;
}
.sb-layout .sidebar-user-role{
  font-size:10px;color:var(--sb-text);letter-spacing:.4px;margin-top:2px;
}
.sb-layout .sidebar-actions{display:flex;gap:8px}
.sb-layout .sidebar-actions button{
  flex:1;height:38px;border-radius:10px;border:1px solid var(--sb-border-2);
  cursor:pointer;font-size:14px;display:grid;place-items:center;line-height:1;
  font-family:inherit;padding:0;transition:all .15s ease;
}
.sb-layout .sb-btn-theme{background:var(--sb-bg-2);color:var(--sb-text)}
.sb-layout .sb-btn-theme:hover{background:var(--sb-bg-3);color:var(--sb-text-strong)}
.sb-layout .sb-btn-logoff{background:rgba(240,71,71,.08);color:var(--sb-red);border-color:rgba(240,71,71,.25)}
.sb-layout .sb-btn-logoff:hover{background:rgba(240,71,71,.18);border-color:var(--sb-red)}

/* ══ MAIN COLUMN ══════════════════════════════════════════════ */
.sb-layout .sb-main{display:flex;flex-direction:column;height:100vh;min-width:0;overflow:hidden}

/* ══ SLIM TOPBAR ══════════════════════════════════════════════ */
.sb-layout .topbar-slim{
  position:sticky;top:0;z-index:100;height:56px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;background:var(--sb-topbar-bg);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--sb-border);transition:background .2s;
}
.sb-layout .topbar-slim::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--sb-gold),transparent);opacity:.3;
}
.sb-layout .topbar-title{display:flex;align-items:baseline;gap:10px;min-width:0}
.sb-layout .topbar-title-main{
  font-size:15px;font-weight:700;color:var(--sb-text-strong);
  letter-spacing:.2px;line-height:1;
}
.sb-layout .topbar-title-divider{color:var(--sb-text);font-size:12px;opacity:.5}
.sb-layout .topbar-title-sub{
  font-size:11.5px;font-weight:500;color:var(--sb-text);
  letter-spacing:.3px;line-height:1;
}
.sb-layout .topbar-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sb-layout .topbar-status{
  display:flex;align-items:center;gap:7px;padding:6px 11px;
  background:rgba(0,179,65,.08);border:1px solid rgba(0,179,65,.22);
  border-radius:999px;font-size:10px;font-weight:700;letter-spacing:.15em;color:var(--sb-ok);
}
.sb-layout .topbar-status-dot{
  width:7px;height:7px;border-radius:50%;background:var(--sb-ok);
  animation:sbTbPulse 2s ease-in-out infinite;flex-shrink:0;
}
@keyframes sbTbPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.5;transform:scale(.85)}}
.sb-layout .topbar-time{
  font-size:12px;font-weight:600;color:var(--sb-text);
  font-variant-numeric:tabular-nums;letter-spacing:.3px;
}

/* Hamburger / collapse button */
.sb-layout .sb-hamburger{
  display:grid;place-items:center;width:38px;height:38px;
  background:var(--sb-bg-2);border:1px solid var(--sb-border-2);
  border-radius:10px;color:var(--sb-text-strong);cursor:pointer;
  flex-shrink:0;padding:0;line-height:1;font-family:inherit;
  transition:all .15s ease;
}
.sb-layout .sb-hamburger:hover{
  background:var(--sb-bg-3);color:var(--sb-text-active);
  border-color:rgba(201,162,77,.4);transform:translateY(-1px);
}
.sb-layout .sb-hamburger:active{transform:scale(.95)}
.sb-layout .sb-hamburger-icon{
  display:inline-block;position:relative;width:16px;height:2px;
  background:currentColor;border-radius:1px;font-size:0;
  transition:background .2s ease;
}
.sb-layout .sb-hamburger-icon::before,
.sb-layout .sb-hamburger-icon::after{
  content:'';position:absolute;left:0;width:100%;height:2px;
  background:currentColor;border-radius:1px;
  transition:transform .25s ease,top .25s ease,width .25s ease;
}
.sb-layout .sb-hamburger-icon::before{top:-5px}
.sb-layout .sb-hamburger-icon::after{top:5px}

/* ══ APP CONTENT WRAPPER (where each page's body goes) ════════ */
.sb-layout .topbar-slim{flex-shrink:0}
.sb-layout .app-content{flex:1;min-width:0;min-height:0;overflow-y:auto}

/* Each consuming page has its own .content { max-width:1100-1400px;
 * margin:0 auto } from when it ran full-width with its own topbar.
 * With the sidebar taking 240px, that cap leaves big empty space on
 * wide screens. Override to use the full available width with a
 * generous side-padding so cards have room to breathe. */
.sb-layout .content{max-width:none !important;margin:0 !important;padding:24px 32px 60px !important}
@media (max-width:900px){
  .sb-layout .content{padding:18px 16px 40px !important}
}

/* ══ MOBILE DRAWER (≤ 900px) ══════════════════════════════════ */
.sb-scrim{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:150}
.sb-scrim.open{display:block}
@media (max-width:900px){
  .sb-layout #app,
  .sb-layout .sb-app{grid-template-columns:1fr}
  .sb-layout .sidebar{
    position:fixed;left:0;top:0;bottom:0;width:240px;z-index:200;
    transform:translateX(-100%);transition:transform .25s ease;
    box-shadow:0 0 40px rgba(0,0,0,.5);
  }
  .sb-layout .sidebar.open{transform:translateX(0)}
  .sb-layout .topbar-slim{padding-left:14px}
}

/* ══ COLLAPSED SIDEBAR (desktop > 900px) ══════════════════════ */
@media (min-width:901px){
  body.sb-layout.sb-collapsed #app,
  body.sb-layout.sb-collapsed .sb-app{grid-template-columns:64px 1fr}
  body.sb-layout.sb-collapsed .sidebar-header{padding:18px 8px;justify-content:center;gap:0}
  body.sb-layout.sb-collapsed .sidebar-brand-text{display:none}
  body.sb-layout.sb-collapsed .sidebar-logo{display:none}
  body.sb-layout.sb-collapsed .sidebar-brand-mark{display:flex}
  body.sb-layout.sb-collapsed .sidebar-section-title{padding:14px 0 6px;font-size:8px;text-align:center;letter-spacing:.1em;opacity:.45}
  body.sb-layout.sb-collapsed .sidebar-nav{padding:0 8px}
  body.sb-layout.sb-collapsed .sb-item{justify-content:center;padding:11px 0;gap:0;position:relative}
  body.sb-layout.sb-collapsed .sb-label{display:none}
  body.sb-layout.sb-collapsed .sb-icon{font-size:16px;width:auto}
  body.sb-layout.sb-collapsed .sb-badge{position:absolute;top:4px;right:4px;font-size:8px;padding:1px 4px;min-width:14px}
  body.sb-layout.sb-collapsed .sb-item.active::before{left:-8px}
  body.sb-layout.sb-collapsed .sidebar-footer{padding:12px 8px}
  body.sb-layout.sb-collapsed .sidebar-user{justify-content:center;padding:0}
  body.sb-layout.sb-collapsed .sidebar-user-info{display:none}
  body.sb-layout.sb-collapsed .sidebar-actions{flex-direction:column}
  body.sb-layout.sb-collapsed .sidebar-actions button{height:36px}
  /* Tooltip on hover when collapsed */
  body.sb-layout.sb-collapsed .sb-item::after{
    content:attr(data-label);position:absolute;left:calc(100% + 12px);top:50%;
    transform:translateY(-50%);background:var(--sb-bg-2);color:var(--sb-text-strong);
    font-size:12px;font-weight:600;padding:6px 10px;border-radius:8px;
    border:1px solid var(--sb-border-2);white-space:nowrap;opacity:0;
    pointer-events:none;transition:opacity .15s ease;z-index:300;
    box-shadow:0 6px 24px rgba(0,0,0,.4);
  }
  body.sb-layout.sb-collapsed .sb-item:hover::after{opacity:1}
  /* Hamburger icon morphs into chevron when collapsed */
  body.sb-layout.sb-collapsed .sb-hamburger-icon{background:transparent}
  body.sb-layout.sb-collapsed .sb-hamburger-icon::before{top:0;width:11px;transform:rotate(45deg) translate(3px,-3px);transform-origin:right center}
  body.sb-layout.sb-collapsed .sb-hamburger-icon::after{top:0;width:11px;transform:rotate(-45deg) translate(3px,3px);transform-origin:right center}
}

/* Light theme support */
body.sb-layout.light{
  --sb-bg:#ffffff;--sb-bg-2:#f5f6f8;--sb-bg-3:#ebedf0;
  --sb-border:rgba(0,0,0,.08);--sb-border-2:rgba(0,0,0,.14);
  --sb-text:#6b7280;--sb-text-strong:#111827;
  --sb-topbar-bg:rgba(255,255,255,.96);
}

/* ═══════════════════════════════════════════════════════════════
   PAGE TRANSITIONS
   ───────────────────────────────────────────────────────────────
   1) Native cross-document view transitions on Chrome 126+
   2) CSS fade+slide fallback on every browser (incl. Firefox/Safari)
   3) Top loading bar — gold sweep while navigation is in flight
   ═══════════════════════════════════════════════════════════════ */
@view-transition{navigation:auto}

/* Sidebar persists across navigations (Chrome view-transition) */
.sb-layout .sidebar{view-transition-name:fsc-sidebar}

/* Fallback fade — runs on initial page paint after navigation.
 * Skipped automatically when @view-transition is in play because
 * Chrome handles the transition itself, but harmless if it does run. */
.sb-layout .sb-main{animation:sbPageIn .28s cubic-bezier(.22,1,.36,1) both}
@keyframes sbPageIn{
  from{opacity:0;transform:translateY(6px)}
  to{opacity:1;transform:translateY(0)}
}

/* Top loading bar — added to body by dispatch-sidebar.js.
 * .active during in-flight navigation; clears on pageshow. */
.sb-progress{
  position:fixed;top:0;left:0;right:0;height:2.5px;z-index:99999;
  pointer-events:none;background:rgba(201,162,77,.08);
  opacity:0;transition:opacity .12s ease;
}
.sb-progress.active{opacity:1}
.sb-progress::before{
  content:'';position:absolute;top:0;bottom:0;left:0;width:30%;
  background:linear-gradient(90deg,transparent,#c9a24d 40%,#f0d07a 60%,transparent);
  box-shadow:0 0 12px rgba(240,208,122,.7);
  animation:sbProgressSlide 1.1s cubic-bezier(.22,1,.36,1) infinite;
}
@keyframes sbProgressSlide{
  0%  {transform:translateX(-110%)}
  100%{transform:translateX(440%)}
}

/* Respect prefers-reduced-motion */
@media (prefers-reduced-motion:reduce){
  .sb-layout .sb-main{animation:none}
  .sb-progress::before{animation:none}
}
