/* Mobile-first interaction layer for Android Chrome and iPhone Safari. */
.mobile-sidebar-close,.mobile-nav-backdrop,.mobile-bottom-nav{display:none}

@media (max-width:920px){
  :root{--mobile-topbar-height:66px;--mobile-bottom-nav-height:66px}
  html,body{max-width:100%;overflow-x:hidden}
  body.mobile-menu-lock{overflow:hidden;overscroll-behavior:none}
  button,a,input,select,textarea{touch-action:manipulation;-webkit-tap-highlight-color:transparent}
  input,select,textarea{font-size:16px!important}
  .button{min-height:44px}
  .icon-button{width:44px;height:44px;flex-basis:44px}

  .portal{min-height:100dvh;padding-bottom:calc(var(--mobile-bottom-nav-height) + env(safe-area-inset-bottom))}
  .workspace{min-width:0;width:100%}
  .topbar{position:sticky;top:0;z-index:160;min-height:var(--mobile-topbar-height);padding:max(8px,env(safe-area-inset-top)) 10px 8px;gap:8px;box-shadow:0 6px 22px rgba(20,15,11,.13)}
  .topbar-brand-home{min-width:0;flex:1;gap:0;padding:2px}
  .topbar-brand-home .eyebrow{display:none}
  .topbar-brand-home h1{display:-webkit-box;overflow:hidden;font-size:15px!important;line-height:1.45;-webkit-line-clamp:2;-webkit-box-orient:vertical}
  .topbar-actions{margin-inline-start:0;gap:5px;flex:0 0 auto}
  .topbar-actions .icon-button{border-radius:12px}
  #open-company-hub{display:none}

  .sidebar{inset:0 0 0 auto!important;width:min(88vw,340px)!important;height:100dvh;padding:max(18px,calc(env(safe-area-inset-top) + 10px)) 14px max(16px,calc(env(safe-area-inset-bottom) + 10px));border-radius:0 0 0 22px;box-shadow:-22px 0 55px rgba(0,0,0,.34)}
  .sidebar nav{padding-bottom:18px}
  .sidebar .nav-item{min-height:48px;font-size:14px}
  /* A collapsed desktop preference can survive in local storage. Mobile must
     always expose the full navigation labels, including grouped roots. */
  .portal.sidebar-collapsed .sidebar .nav-item,
  .portal.sidebar-collapsed .sidebar:not(:hover):not(:focus-within) .nav-item{justify-content:flex-start!important;padding:10px 12px!important;font-size:14px!important}
  .portal.sidebar-collapsed .sidebar .nav-item>:not(:first-child),
  .sidebar .nav-tree-root b,
  .sidebar .nav-tree-root i{display:block!important;opacity:1!important;visibility:visible!important;pointer-events:auto!important;color:inherit!important}
  .sidebar .nav-tree-root b{flex:1;min-width:0;text-align:right}
  .sidebar .nav-tree-root i{margin-inline-start:auto}
  .sidebar-brand{padding-inline-start:48px}
  .mobile-sidebar-close{position:absolute;z-index:2;top:max(12px,env(safe-area-inset-top));left:12px;display:grid;place-items:center;width:40px;height:40px;border:1px solid rgba(255,255,255,.24);border-radius:12px;background:rgba(255,255,255,.1);color:#fff;font:700 25px/1 system-ui;cursor:pointer}
  .mobile-nav-backdrop{position:fixed;z-index:260;inset:0;display:block;border:0;background:rgba(13,9,6,.58);opacity:0;pointer-events:none;transition:opacity .2s ease;backdrop-filter:blur(2px)}
  .portal.menu-open .mobile-nav-backdrop{opacity:1;pointer-events:auto}

  .mobile-bottom-nav{position:fixed;z-index:230;inset:auto 0 0;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));min-height:calc(var(--mobile-bottom-nav-height) + env(safe-area-inset-bottom));padding:5px 6px max(5px,env(safe-area-inset-bottom));border-top:1px solid var(--line);background:color-mix(in srgb,var(--white,#fff) 94%,transparent);box-shadow:0 -8px 28px rgba(30,20,14,.13);backdrop-filter:blur(16px)}
  .mobile-bottom-nav button{min-width:0;min-height:54px;display:grid;place-items:center;align-content:center;gap:2px;border:0;border-radius:12px;background:transparent;color:var(--muted);font:inherit;cursor:pointer}
  .mobile-bottom-nav button span{font-size:19px;line-height:1}
  .mobile-bottom-nav button b{max-width:100%;overflow:hidden;font-size:10px;text-overflow:ellipsis;white-space:nowrap}
  .mobile-bottom-nav button.active,.mobile-bottom-nav button[aria-current="page"]{background:color-mix(in srgb,var(--theme-accent,var(--blue)) 13%,var(--white));color:var(--theme-accent,var(--blue))}

  .content{width:100%;padding:16px 10px 28px}
  .page-heading,.accounting-heading,.section-heading,.surface-title{align-items:stretch;gap:12px}
  .accounting-heading{display:grid}
  .accounting-heading h2{font-size:23px}
  .accounting-heading-actions{display:grid;grid-template-columns:1fr 1fr;justify-content:stretch}
  .accounting-heading-actions .status-pill{grid-column:1/-1;justify-content:center}
  .accounting-heading-actions .button{width:100%}
  .surface{min-width:0;border-radius:16px;padding:15px}
  .surface-title{flex-direction:column}
  .surface-title>.button,.surface-title>.accounting-row-actions{width:100%}
  .surface-title>.button{justify-content:center}
  .command-banner{border-radius:18px}

  .business-module-tabs{top:calc(var(--mobile-topbar-height) + env(safe-area-inset-top));margin-inline:-10px;border-inline:0;border-radius:0;padding:8px 10px;scroll-padding-inline:10px;scroll-snap-type:x proximity}
  .business-module-tabs button{min-height:44px;scroll-snap-align:start}
  .module-home-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
  .module-home-grid button{min-height:86px;padding:12px;grid-template-columns:36px minmax(0,1fr);gap:3px 8px;border-radius:14px}
  .module-home-grid button>span{width:36px;height:36px}

  .accounting-form{grid-template-columns:1fr!important}
  .accounting-field-wide{grid-column:auto!important}
  .accounting-form input,.accounting-form select,.accounting-form textarea{width:100%;min-height:48px}
  .accounting-form textarea{min-height:92px}
  .accounting-row-actions{display:grid;grid-template-columns:1fr;width:100%;justify-content:stretch}
  .accounting-row-actions .button{width:100%}
  .accounting-register-card{grid-template-columns:1fr!important;gap:9px;padding:13px}
  .accounting-register-card .accounting-row-actions{grid-column:auto}

  .professional-suite-tabs{display:grid;grid-template-columns:1fr 1fr;gap:7px;margin-inline:0;padding:7px 0 14px;overflow:visible}
  .professional-suite-tabs button{min-height:46px;padding:9px 7px;white-space:normal;font-size:12px;line-height:1.45}
  .professional-suite-tabs button:last-child:nth-child(odd){grid-column:1/-1}
  .professional-suite-pane{padding-top:14px}
  .professional-statement-grid,.professional-two-column,.professional-three-column{grid-template-columns:1fr!important;gap:11px}
  .professional-statement-grid>section,.professional-two-column>form,.professional-two-column>div,.professional-three-column>form{padding:13px;border-radius:14px}
  .professional-readiness-grid,.professional-warning-grid{grid-template-columns:1fr 1fr!important;gap:8px}
  .professional-readiness-grid>div{padding:11px;min-width:0}
  .professional-readiness-grid strong{font-size:1.15rem}
  .professional-register-row{display:grid;grid-template-columns:1fr;align-items:start;gap:8px;padding:12px 2px}
  .professional-register-row>div:last-child{width:100%;justify-items:start!important;text-align:right!important}
  .professional-register-row b{max-width:100%;overflow-wrap:anywhere}
  .professional-register-row .button{width:100%;margin-top:5px}
  .professional-package-register{padding:13px}

  .table-wrap,.unified-report-table,.delinquency-table{max-width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;overscroll-behavior-inline:contain}
  table{font-size:12px}
  th,td{padding:10px}
  .dialog,dialog.operation-dialog{width:calc(100vw - 14px);max-width:none;max-height:calc(100dvh - 14px);margin:auto;padding:16px;border-radius:18px}
  .dialog-actions{position:sticky;bottom:0;padding-bottom:max(8px,env(safe-area-inset-bottom));background:var(--white)}
  .realtime-status{bottom:calc(var(--mobile-bottom-nav-height) + env(safe-area-inset-bottom) + 8px)}
}

@media (max-width:520px){
  #refresh-button{display:none}
  .topbar{gap:6px}
  .topbar-brand-home h1{font-size:14px!important}
  .topbar-actions{gap:4px}
  .module-home-grid{grid-template-columns:1fr}
  .module-home-grid button{min-height:74px}
  .professional-readiness-grid,.professional-warning-grid{grid-template-columns:1fr!important}
  .accounting-summary,.metric-grid,.executive-metrics{grid-template-columns:1fr 1fr!important}
}

@media (max-width:360px){
  .topbar-brand-home h1{font-size:13px!important}
  .topbar .icon-button{width:41px;height:41px;flex-basis:41px}
  .mobile-bottom-nav button b{font-size:9px}
  .accounting-summary,.metric-grid,.executive-metrics{grid-template-columns:1fr!important}
}

@media (prefers-reduced-motion:reduce){
  .mobile-nav-backdrop,.sidebar{transition:none!important}
}