/* ==========================================================================
   Builders24 Business Suite — Shared Shell (sidebar + topbar)
   LIGHT THEME — matches the established Builders24 brand system used on
   Digital / Distribution / login.html: white & off-white surfaces, solid
   navy text, gold accents. No dark backgrounds anywhere in this file.
   ========================================================================== */

:root{
  --b24-sidebar-w: 200px;
  --b24-topbar-h: 60px;

  /* --- Surfaces (light only) --- */
  --b24-bg: #F4F6FB;
  --b24-bg-sidebar: #FFFFFF;
  --b24-card: #FFFFFF;
  --b24-card-alt: #F4F6FB;
  --b24-border: #E3E8F0;
  --b24-border-soft: #EDF0F6;

  /* --- Text (solid only — no grey, no opacity, per brand rule) --- */
  --b24-navy: #0D1B3E;
  --b24-white: #FFFFFF;

  /* --- Brand --- */
  --b24-gold: #F0A500;

  /* --- Chart / accent palette (data viz only, not surface colour) --- */
  --b24-purple: #8B5CF6;
  --b24-blue:   #3B82F6;
  --b24-green:  #1D8A32;
  --b24-orange: #F97316;
  --b24-red:    #D64535;

  --b24-radius-lg: 16px;
  --b24-radius-md: 12px;
  --b24-radius-sm: 8px;
  --b24-radius-pill: 999px;
}

*, *::before, *::after{ box-sizing: border-box; }

html, body{
  margin:0; padding:0;
  background: var(--b24-bg);
  color: var(--b24-navy);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1,h2,h3,h4,h5,h6{ margin:0; font-weight:600; color: var(--b24-navy); }
p{ margin:0; }
a{ text-decoration:none; color:inherit; }
button{ font-family:inherit; cursor:pointer; }
ul{ list-style:none; margin:0; padding:0; }
svg{ display:block; }

[data-feather]{ width:18px; height:18px; stroke-width:2px; }

/* ==========================================================================
   App shell grid
   ========================================================================== */
.b24-app{
  display:grid;
  grid-template-columns: var(--b24-sidebar-w) 1fr;
  grid-template-rows: var(--b24-topbar-h) 1fr;
  grid-template-areas:
    "sidebar topbar"
    "sidebar main";
  min-height:100vh;
}

/* ==========================================================================
   Sidebar
   ========================================================================== */
.b24-sidebar{
  grid-area: sidebar;
  background: var(--b24-navy);
  border-right: 1px solid rgba(255,255,255,0.1);
  display:flex;
  flex-direction:column;
  height:100vh;
  position:sticky;
  top:0;
  overflow-y:auto;
}
.b24-sidebar::-webkit-scrollbar{ width:6px; }
.b24-sidebar::-webkit-scrollbar-thumb{ background: rgba(255,255,255,0.15); border-radius:4px; }

.b24-logo{
  display:flex;
  align-items:center;
  gap:10px;
  padding: 22px 24px 18px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.b24-logo-mark{
  font-size:20px;
  font-weight:600;
  letter-spacing:-0.02em;
  color: var(--b24-white);
}
.b24-logo-mark span{ color: var(--b24-gold); }
.b24-logo-wrap{ display:flex; flex-direction:column; line-height:1.1; }
.b24-logo-sub{
  font-size:10px;
  font-weight:500;
  letter-spacing:0.14em;
  color: rgba(255,255,255,0.65);
  margin-top:2px;
}

.b24-nav{ padding: 14px 12px 12px; flex:1; }
.b24-nav-group{ margin-bottom: 4px; }
.b24-nav-group + .b24-nav-group{ margin-top: 18px; }
.b24-nav-label{
  font-size:11px;
  font-weight:600;
  letter-spacing:0.08em;
  color: rgba(255,255,255,0.4);
  padding: 0 12px 8px;
}
.b24-nav-item{
  display:flex;
  align-items:center;
  gap:12px;
  padding: 10px 12px;
  margin-bottom: 2px;
  border-radius: var(--b24-radius-sm);
  font-size:14px;
  font-weight:500;
  color: rgba(255,255,255,0.65);
  position:relative;
}
/* Feather icons render with stroke="currentColor", so they inherit
   this element's `color` automatically — no separate stroke override
   needed once color itself is correct for the navy background. */
.b24-nav-item [data-feather]{ stroke: currentColor; }
.b24-nav-item:hover{ background: rgba(255,255,255,0.08); color: var(--b24-white); }
.b24-nav-item.active{
  background: rgba(240,165,0,0.16);
  color: var(--b24-white);
  font-weight:600;
}
.b24-nav-item.active [data-feather]{ stroke: currentColor; }
.b24-nav-item .b24-badge{
  margin-left:auto;
  font-size:10px;
  font-weight:600;
  padding: 2px 7px;
  border-radius: var(--b24-radius-pill);
  background: var(--b24-gold);
  color: var(--b24-navy);
  letter-spacing:0.02em;
}
.b24-nav-item .b24-badge.beta{ background: var(--b24-blue); color: var(--b24-white); }

.b24-upgrade{
  margin: 16px 12px 20px;
  padding: 18px;
  border-radius: var(--b24-radius-md);
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
}
.b24-upgrade-icon{ font-size:22px; margin-bottom:10px; }
.b24-upgrade h4{ font-size:14px; font-weight:600; margin-bottom:6px; color: var(--b24-white); }
.b24-upgrade p{ font-size:12px; font-weight:400; line-height:1.5; margin-bottom:14px; color: rgba(255,255,255,0.7); }
.b24-btn-upgrade{
  display:block;
  width:100%;
  text-align:center;
  background: var(--b24-gold);
  color: var(--b24-navy);
  font-size:13px;
  font-weight:600;
  padding: 10px;
  border-radius: var(--b24-radius-sm);
  border:none;
}

.b24-menu-toggle{ display:none; background:none; border:none; color:var(--b24-white); padding:8px; }

/* ==========================================================================
   Topbar
   ========================================================================== */
.b24-topbar{
  grid-area: topbar;
  background: var(--b24-bg-sidebar);
  border-bottom: 1px solid var(--b24-border);
  display:flex;
  align-items:center;
  gap:20px;
  padding: 0 28px;
  position:sticky;
  top:0;
  z-index:20;
}
.b24-search{
  flex:1;
  max-width:420px;
  display:flex;
  align-items:center;
  gap:10px;
  background: var(--b24-card-alt);
  border:1px solid var(--b24-border);
  border-radius: var(--b24-radius-sm);
  padding: 10px 14px;
}
.b24-search [data-feather]{ stroke: var(--b24-navy); }
.b24-search input{
  flex:1;
  background:none;
  border:none;
  outline:none;
  color: var(--b24-navy);
  font-size:13px;
  font-family:inherit;
}
.b24-kbd{
  font-size:11px;
  font-weight:500;
  padding:2px 6px;
  border-radius:5px;
  border:1px solid var(--b24-border);
  color: var(--b24-navy);
}

.b24-topbar-actions{ display:flex; align-items:center; gap:14px; margin-left:auto; }
.b24-icon-btn{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:center;
  width:38px; height:38px;
  border-radius: var(--b24-radius-sm);
  background: var(--b24-card-alt);
  border:1px solid var(--b24-border);
  color: var(--b24-navy);
}
.b24-icon-btn [data-feather]{ stroke: var(--b24-navy); }
.b24-icon-btn.solid{ background: var(--b24-navy); border-color: var(--b24-navy); }
.b24-icon-btn.solid [data-feather]{ stroke: var(--b24-white); }
.b24-icon-btn .b24-dot{
  position:absolute;
  top:-5px; right:-5px;
  min-width:17px; height:17px;
  padding:0 4px;
  border-radius: var(--b24-radius-pill);
  background: var(--b24-red);
  color: var(--b24-white);
  font-size:10px;
  font-weight:600;
  display:flex; align-items:center; justify-content:center;
}

.b24-profile{ display:flex; align-items:center; gap:10px; padding-left:6px; position:relative; cursor:pointer; }

.b24-profile-dropdown{
  display:none;
  position:absolute;
  top: calc(100% + 12px);
  right:0;
  min-width:200px;
  background: var(--b24-card);
  border:1px solid var(--b24-border);
  border-radius: var(--b24-radius-md);
  box-shadow: 0 12px 32px rgba(13,27,62,0.14);
  padding:14px;
  z-index:50;
}
.b24-profile-dropdown.open{ display:block; }
.b24-dropdown-org{ font-size:13px; font-weight:600; color: var(--b24-navy); }
.b24-dropdown-plan{ font-size:11.5px; font-weight:500; color: var(--b24-navy); margin-top:2px; }
.b24-dropdown-divider{ height:1px; background: var(--b24-border); margin:10px 0; }
.b24-dropdown-item{
  display:flex; align-items:center; gap:10px;
  width:100%;
  padding:9px 6px;
  border-radius: var(--b24-radius-sm);
  font-size:13px; font-weight:500;
  color: var(--b24-navy);
  background:none; border:none;
  text-align:left;
}
.b24-dropdown-item [data-feather]{ width:16px; height:16px; stroke: var(--b24-navy); }
.b24-dropdown-item:hover{ background: var(--b24-card-alt); }
.b24-dropdown-logout{ color:#D64535; }
.b24-dropdown-logout [data-feather]{ stroke:#D64535; }
.b24-profile [data-feather]{ stroke: var(--b24-navy); }
.b24-avatar{ width:38px; height:38px; border-radius:50%; object-fit:cover; background: var(--b24-card-alt); }
.b24-profile-meta{ display:flex; flex-direction:column; line-height:1.25; }
.b24-profile-name{ font-size:13px; font-weight:600; color: var(--b24-navy); }
.b24-profile-org{ font-size:11px; font-weight:400; color: var(--b24-navy); }

/* ==========================================================================
   Main
   ========================================================================== */
.b24-main{
  grid-area: main;
  padding: 28px 32px 48px;
  overflow-x:hidden;
}

/* Visible failure state — replaces silent blank page on bootstrap error */
.b24-fatal-error{
  max-width:560px;
  margin: 40px auto;
  padding: 24px;
  background: #FDECEC;
  border: 1px solid #F3B9B0;
  border-radius: var(--b24-radius-md);
  color: var(--b24-navy);
}
.b24-fatal-error h3{ color:#D64535; margin-bottom:8px; }
.b24-fatal-error pre{
  white-space: pre-wrap;
  word-break: break-word;
  background:#fff;
  border:1px solid #F3B9B0;
  border-radius:8px;
  padding:10px;
  font-size:12px;
  margin-top:10px;
}

/* ==========================================================================
   Mobile / desktop visibility utilities
   ========================================================================== */
.b24-mobile-only{ display:none !important; }
.b24-desktop-only{ display:flex !important; }

.b24-topbar-logo{ align-items:center; }
.b24-topbar-logo .b24-logo-mark{ font-size:17px; font-weight:600; color: var(--b24-navy); }
.b24-topbar-logo .b24-logo-mark span{ color: var(--b24-gold); }

@media (max-width: 1180px){
  .b24-app{ grid-template-columns: 1fr; grid-template-areas: "topbar" "main"; }
  .b24-sidebar{
    position:fixed; left:0; top:0; z-index:40;
    width: var(--b24-sidebar-w);
    transform: translateX(-100%);
    transition: transform .2s ease;
    box-shadow: 0 0 40px rgba(13,27,62,0.15);
  }
  .b24-sidebar.open{ transform: translateX(0); }
  .b24-menu-toggle{ display:flex; align-items:center; justify-content:center; }
  .b24-search{ max-width:none; }
}

@media (max-width: 768px){
  .b24-mobile-only{ display:flex !important; }
  .b24-desktop-only{ display:none !important; }

  .b24-topbar{ padding: 0 16px; gap:12px; }
  .b24-main{ padding: 16px 16px 88px; } /* extra bottom padding clears the fixed bottom nav */

  /* Bottom tab bar */
  .b24-bottom-nav{
    display:flex;
    position:fixed; left:0; right:0; bottom:0; z-index:30;
    background: var(--b24-bg-sidebar);
    border-top:1px solid var(--b24-border);
    padding: 8px 4px calc(8px + env(safe-area-inset-bottom));
  }
  .b24-bn-item{
    flex:1;
    display:flex; flex-direction:column; align-items:center; gap:3px;
    padding:6px 0;
    background:none; border:none;
    color: var(--b24-navy);
    font-size:10.5px; font-weight:500;
  }
  .b24-bn-item [data-feather]{ width:20px; height:20px; stroke: var(--b24-navy); }
  .b24-bn-item.active{ color: var(--b24-navy); font-weight:600; }
  .b24-bn-item.active [data-feather]{ stroke: var(--b24-gold); }

  /* ---- FAB + arc menu ---- */
  .b24-bn-fab-slot{ flex:1; display:flex; align-items:center; justify-content:center; position:relative; }
  .b24-fab{
    position:relative; z-index:2;
    width:52px; height:52px; margin-top:-26px;
    border-radius:50%;
    background: var(--b24-gold);
    border:4px solid var(--b24-bg-sidebar);
    display:flex; align-items:center; justify-content:center;
    box-shadow: 0 6px 16px rgba(240,165,0,0.4);
    transition: transform .2s ease;
  }
  .b24-fab [data-feather]{ width:24px; height:24px; stroke: var(--b24-navy); transition: transform .2s ease; }
  .b24-fab.open{ transform: rotate(45deg); }

  .b24-fab-backdrop{
    display:none;
    position:fixed; inset:0; z-index:25;
    background: rgba(13,27,62,0.15);
  }
  .b24-fab-backdrop.open{ display:block; }

  .b24-fab-arc{ position:absolute; left:50%; bottom:36px; z-index:26; }
  .b24-fab-item{
    position:absolute; left:0; top:0;
    width:48px; height:48px;
    display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px;
    transform: translate(-50%,-50%) scale(0.3);
    opacity:0;
    pointer-events:none;
    transition: transform .22s ease, opacity .22s ease;
  }
  .b24-fab-arc.open .b24-fab-item{
    transform: translate(calc(-50% + var(--tx)), calc(-50% + var(--ty))) scale(1);
    opacity:1;
    pointer-events:auto;
  }
  .b24-fab-item-icon{
    width:44px; height:44px; border-radius:50%;
    background: var(--b24-card);
    border:1px solid var(--b24-border);
    display:flex; align-items:center; justify-content:center;
    box-shadow: 0 4px 12px rgba(13,27,62,0.18);
  }
  .b24-fab-item-icon [data-feather]{ width:18px; height:18px; stroke: var(--b24-navy); }
  .b24-fab-item-label{
    position:absolute; top:50px;
    font-size:9.5px; font-weight:600; color: var(--b24-navy);
    background: var(--b24-card); border:1px solid var(--b24-border);
    padding:2px 6px; border-radius:6px;
    white-space:nowrap;
  }
}