/* Shared responsive layer and identity; no sending behavior. */
.brand>span:last-child,.studio-brand>div{min-width:0}
.brand strong,.studio-brand strong{display:block;font-size:17px;line-height:1.25;overflow-wrap:normal}
.brand-mark,.studio-brand>span{flex:0 0 42px;width:42px;height:42px;font-size:17px;letter-spacing:-.5px}
input[type=checkbox],input[type=radio]{accent-color:#c2410c}
html{-webkit-text-size-adjust:100%;text-size-adjust:100%;scroll-padding-top:90px}
body{font-size:1rem}
.mobile-nav-toggle{display:none}
input,select,textarea,button{max-width:100%}
button,.button,summary,label,a{-webkit-tap-highlight-color:transparent}
button,a,input,select,textarea,summary{touch-action:manipulation}
button:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #d88a24;outline-offset:3px}
.main,.main>*,.studio-main>*,.campaign-main>div,.group-row>div,.history-row>div,fieldset,.form-grid>*,.split>*{min-width:0}
.campaign-card h3,.campaign-card p,.group-row h3,.group-row p,.history-row p,.field,.helper,.notice,.info,.chip,.settings-heading{overflow-wrap:anywhere}
.campaign-icon,.brand-mark{flex-shrink:0}
.table-wrap{max-width:100%;overflow-x:auto;overscroll-behavior-x:contain}
.table-wrap table{min-width:480px}
img{max-width:100%}
[hidden]{display:none!important}
.source-chip input:focus-visible+span{outline:3px solid #d88a24;outline-offset:3px}
body.modal-open{overflow:hidden}
.sidebar,.studio-sidebar{overflow-y:auto}
.unified-nav{display:grid;gap:6px}
.unified-nav .nav-item{display:flex;align-items:center;text-align:left;text-decoration:none;font-size:14px;line-height:1.5;white-space:normal;gap:10px;min-height:44px;border-radius:12px;padding:11px 12px;color:#e5d3c7}
.unified-nav .nav-item.active{background:#563021;color:#fff;font-weight:700}
.unified-nav .nav-group{margin:0;padding:0;border:0}
.unified-nav .nav-group summary{display:flex;align-items:center;gap:10px;list-style:none;cursor:pointer;padding:12px;border-radius:12px;font-size:14px;font-weight:700;line-height:1.5;color:#fff3e9;min-height:48px}
.unified-nav .nav-group summary::-webkit-details-marker{display:none}
.unified-nav .nav-group summary:hover,.unified-nav .nav-item:hover{background:#563021}
.unified-nav .nav-chevron{margin-left:auto;transition:transform .15s;flex:0 0 auto}
.unified-nav .nav-group[open]>summary .nav-chevron{transform:rotate(180deg)}
.unified-nav .nav-submenu{display:grid;gap:3px;margin:4px 0 10px 21px;padding-left:10px;border-left:1px solid #89604a}
.unified-nav .nav-submenu .nav-item{padding:9px 10px;font-size:14px}
@media(max-width:1000px){
 .app-shell,.studio-shell{display:block;min-height:100svh}
 .sidebar,.studio-sidebar{position:sticky;top:0;z-index:10;height:auto;width:100%;padding:max(12px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) 12px max(16px,env(safe-area-inset-left));display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;overflow:visible;box-shadow:0 3px 16px #0002}
 .sidebar .brand,.studio-brand{padding:0;gap:10px;text-decoration:none;min-width:0}
 .brand strong,.studio-brand strong{font-size:15px;max-width:210px}
 .sidebar .brand,.studio-brand{flex:1 1 170px}
 .mobile-nav-toggle{flex:0 0 auto}
 .brand small,.studio-brand small{display:none}
 .studio-brand>span{width:42px;height:42px;font-size:20px;border-radius:14px;flex-shrink:0}
 .mobile-nav-toggle{display:flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:10px 14px;border:1px solid #89604a;border-radius:12px;background:#563021;color:white;font:inherit;font-weight:700;cursor:pointer}
 .sidebar .nav,.studio-sidebar nav{display:none;flex-basis:100%;width:100%;margin:4px 0 0;padding:0;gap:6px;max-height:min(60vh,440px);overflow-y:auto;overscroll-behavior:contain}
 .sidebar[data-menu-open] .nav,.studio-sidebar[data-menu-open] nav{display:grid;grid-template-columns:1fr}
 .sidebar .nav-item,.studio-sidebar nav a{display:flex;font-size:.9375rem;line-height:1.4;min-height:48px;padding:11px;white-space:normal;text-decoration:none;gap:8px;overflow-wrap:anywhere}
 .sidebar .nav-item:after{content:none}
 .sidebar .nav-item span,.studio-sidebar nav a span{display:inline-block;font-size:18px;flex:0 0 20px}
 .sidebar-note,.sidebar-foot{display:none}
 .sidebar #logoutForm,.studio-sidebar .back-link{display:none}
 .sidebar[data-menu-open] #logoutForm:not([hidden]){display:block;flex-basis:100%}
 .sidebar[data-menu-open] #logoutForm .nav-item{width:100%}
 .studio-sidebar[data-menu-open] .back-link{display:block;margin:4px 0;padding:12px;min-height:44px;width:100%;order:2}
 .main,.studio-main{width:100%;padding:24px max(16px,env(safe-area-inset-right)) max(28px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}
 .quick-send-layout,.split{grid-template-columns:minmax(0,1fr)}
 .wa-shell{position:static}
}
@media(max-width:760px){
 button,.button,.mini-button,.text-button,.formatbar button,.pill-list button,.placeholder-list button,.source-chip span,summary{min-height:44px}
 .button,.mini-button,.text-button{display:inline-flex;align-items:center;justify-content:center;text-align:center;font-size:.9375rem;line-height:1.4;white-space:normal}
 .field,.check-option,.helper,.field-hint,.form-help,.api-note,.mode-notice,.connection-note,.settings-heading p,.settings-actions p,.quick-step p,.quick-message-editor small{font-size:.875rem;line-height:1.55}
 input:not([type=checkbox]):not([type=radio]):not([type=file]),select,textarea,.field input,.field select,.field textarea,.message-editor,.calls-editor,.quick-message-editor textarea{font-size:16px;min-width:0}
 input:not([type=checkbox]):not([type=radio]):not([type=file]),select{min-height:48px}
 textarea{line-height:1.6}
 input[type=checkbox],input[type=radio],.auth-toggle{flex:0 0 22px;width:22px;height:22px}
 .check,.check-option,.choice-card,.group-status{min-height:48px}
 .topbar,.studio-top{flex-wrap:wrap;align-items:flex-start;gap:14px;margin-bottom:22px}
 .topbar h1,.studio-top h1{font-size:clamp(1.5rem,6vw,2rem)}
 .top-actions{width:100%;justify-content:space-between;flex-wrap:wrap}
 .top-actions .status-badge{font-size:.8125rem;white-space:normal;max-width:100%}
 .control-card{padding:22px;gap:20px}
 .control-card h2{font-size:1.45rem}
 .control-card p{line-height:1.5}
 .control-actions{width:100%;display:grid;grid-template-columns:1fr;gap:12px}
 .control-actions .button{width:100%;min-height:48px}
 .stats-grid,.stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin:18px 0 28px}
 .stat-card,.metric{padding:16px;backdrop-filter:none}
 .stat-card strong,.metric strong{font-size:1.65rem}
 .stat-card span,.metric span{font-size:.875rem}
 .stat-card small,.status-badge,.product-meta,.preview-label{font-size:.75rem}
 .section-heading{flex-wrap:wrap;align-items:start;gap:12px}
 .section-heading h2{font-size:1.4rem}
 .campaign-create-actions{display:grid;grid-template-columns:1fr;width:100%}
 .campaign-card,.group-row,.history-row{padding:16px;flex-direction:column;align-items:stretch;gap:14px}
 .campaign-card h3,.group-row h3{font-size:1rem;line-height:1.4}
 .campaign-card p,.group-row p,.history-row p{font-size:.875rem;line-height:1.6}
 .campaign-actions{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;width:100%}
 .campaign-actions .status-badge{grid-column:1/-1;justify-self:start}
 .group-status{width:100%;justify-content:space-between;padding:4px 0}
 .history-time{font-size:.8125rem;white-space:normal}
 .list-card,.empty-card{padding:16px;border-radius:16px}
 .group-search-count{font-size:.875rem;white-space:normal}
 .settings-card,.quick-send-card,.quick-preview{padding:18px}
 .settings-heading{gap:10px}
 .connection-steps{grid-template-columns:1fr}
 .qr-panel img{width:min(210px,100%);height:auto;aspect-ratio:1}
 .provider-actions,.settings-actions,.quick-actions,.quick-editor-heading{flex-direction:column;align-items:stretch}
 .quick-product{grid-template-columns:1fr;gap:16px}
 .quick-product img{width:140px;height:140px;margin:auto}
 .quick-message-editor textarea{min-height:240px}
 .quick-editor-heading .text-button{white-space:normal;margin-top:0}
 .form-grid,.settings-form,.api-filter-grid{grid-template-columns:minmax(0,1fr)}
 .span-2{grid-column:1/-1}
 .product-tools,.calls-actions{flex-direction:column;align-items:stretch}
 .product-row{grid-template-columns:minmax(0,1fr);padding:12px}
 .product-row input,.product-row textarea,.product-row [name=productUrl]{grid-column:1/-1}
 .remove-product{width:44px;min-height:44px;justify-self:end;grid-row:1}
 .file-drop{padding:16px 12px;min-height:84px}
 .file-drop strong{font-size:1rem}
 .file-drop small{font-size:.8125rem;overflow-wrap:anywhere}
 .start-choice,.delivery-choice{grid-template-columns:minmax(0,1fr)}
 .choice-card strong{font-size:.9375rem}
 .choice-card small,.check-option span small{font-size:.8125rem}
 .choice-card.recommended strong:after{font-size:.6875rem;margin:5px 0}
 .calls-intro{align-items:start}
 .calls-intro p,.message-intro p{font-size:.875rem}
 .calls-count{width:56px;height:56px;border-radius:14px;font-size:.75rem}
 .modal-backdrop{padding:0;top:var(--visual-top,0px);bottom:auto;height:var(--visible-height,100dvh)}
 .modal{display:flex;flex-direction:column;width:100%;height:100%;max-height:100%;border-radius:0;overflow:hidden}
 .modal-header{padding:max(14px,env(safe-area-inset-top)) 16px 12px;gap:12px;flex:0 0 auto}
 .modal-header h2{font-size:1.25rem}
 .modal-header .eyebrow{display:none}
 .icon-button{width:44px;height:44px;flex:0 0 44px}
 #campaignForm{display:flex;flex-direction:column;flex:1;min-height:0;overflow:hidden}
 .editor-tabs{padding:0 8px;flex:0 0 auto;gap:0}
 .editor-tab{font-size:.8125rem;padding:12px 5px;min-height:48px}
 .editor-tab span{display:none}
 .form-grid.tab-content.active{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;padding:20px 16px;align-content:start}
 .modal-footer{padding:12px 16px max(12px,env(safe-area-inset-bottom));gap:10px;background:var(--card);flex:0 0 auto}
 .modal-footer .button{flex:1;min-height:48px;font-size:.875rem;padding:10px}
 .toast{z-index:50;left:16px;right:16px;bottom:max(16px,env(safe-area-inset-bottom));max-width:560px;margin:auto;font-size:.875rem}
 .studio-top>.chip{display:inline-flex;min-height:44px;align-items:center;font-size:.875rem}
 .panel{padding:18px;border-radius:16px}
 .hero{padding:20px}
 .hero h2{font-size:1.5rem}
 .product-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
 .product-body{padding:12px;gap:10px}
 .product-body h3{font-size:.9375rem}
 .product-body .toolbar{display:grid;grid-template-columns:1fr;width:100%}
 .product-price{font-size:1.25rem;overflow-wrap:anywhere}
 .product-body small{font-size:.8125rem;overflow-wrap:anywhere}
 .product-body .toolbar button{width:100%;font-size:.875rem}
 .toolbar .field{width:100%}
 .toolbar>button,.toolbar>.button{flex:1 1 150px}
 .wa-shell{padding:14px}
 .wa-message{font-size:1rem;padding:14px}
 .record{padding:16px}
 .record-head,.community-hero{flex-wrap:wrap}
 .community-container{padding:16px;margin:12px auto}
 .community-login{margin:24px auto}
 .community-container form button{width:100%}
 .community-container h1{font-size:1.75rem}
 .community-comments{padding-left:12px}
 .login-card{padding:24px}
}
@media(max-width:360px){
 .sidebar[data-menu-open] .nav,.studio-sidebar[data-menu-open] nav{grid-template-columns:1fr}
 .stats-grid,.stat-grid,.product-grid{grid-template-columns:minmax(0,1fr)}
 .main,.studio-main{padding-left:12px;padding-right:12px}
 .login-card{padding:20px}
}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}}