/* JJ Meta AI extension layout: dark navy panels, cyan/blue buttons and emoji cards. */
:root{color-scheme:dark;--bg:#080e20;--panel:#101625;--line:#263142;--cyan:#08b9d1;--blue:#168cf0;--text:#e2e8f0;--muted:#94a3b8;--gradient:linear-gradient(105deg,#08b9d1 0%,#168cf0 100%);font-family:'Sarabun',Tahoma,Arial,sans-serif;font-size:16px}
*{box-sizing:border-box}body{margin:0;color:var(--text);background:#060b18;line-height:1.55}button,input,select,textarea{font:inherit;color:inherit}button{cursor:pointer}a{color:#7dd3fc;text-decoration:none}button,input,textarea{outline-offset:3px}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,label:focus-within{outline:2px solid #d8b4fe}button:disabled{opacity:.5;cursor:wait}[hidden]{display:none!important}h1,h2,h3,p{margin-top:0}.muted{color:var(--muted)}
.extension-shell{max-width:860px;min-height:100vh;margin:auto;background:linear-gradient(180deg,#0b1124,#080e20);border-inline:1px solid #1f2a3e}.app-chrome{background:linear-gradient(125deg,#09252d 0%,#0a0e18 55%,#191526 100%);border-bottom:2px solid #38bdf8}.app-header{padding:30px 32px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:144px}.brand-box{display:flex;align-items:center;gap:24px;min-width:0;color:#f8fafc}.brand-logo{width:82px;height:82px;object-fit:contain;border-radius:22px}.brand-title-row{display:flex;align-items:center;gap:15px;flex-wrap:wrap}.brand-info h1{font-size:30px;margin:0;line-height:1.25;color:#f8fafc;font-weight:800;white-space:nowrap}.brand-subtitle{font-size:12px;color:#94a3b8;margin:8px 0 0}.app-version-pill{font-size:17px;font-weight:700;line-height:1;display:inline-flex;align-items:center;border:2px solid #a855f7;border-radius:999px;background:#28183c;color:#d8b4fe;padding:8px 13px;box-shadow:0 0 0 2px #a855f714}.header-actions{font-size:11px;text-align:right;display:flex;flex-direction:column;align-items:flex-end;gap:8px}.nav-segment{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px;padding:0 24px 16px}.segment-btn{min-width:0;min-height:78px;display:flex;justify-content:center;align-items:center;gap:12px;padding:16px 12px;border:2px solid #38bdf8;border-radius:23px;background:#1e3b5d;color:#dbeafe;font-size:22px;font-weight:800;white-space:nowrap;transition:background .15s}.segment-icon{display:inline-flex;align-items:center;justify-content:center;width:43px;height:43px;flex-shrink:0;background:#ffffff25;border-radius:14px;font-size:29px}.segment-btn.active{background:var(--gradient);border-color:#38bdf8;color:white;box-shadow:0 5px 16px #0ea5e92b}.segment-btn:hover{filter:brightness(1.13)}.nav-segment small{border-radius:6px;background:#ffffff14;padding:1px 5px;font-size:11px}.app-body{padding:24px 28px 125px}.studio-section{border:2px solid #174653;border-radius:19px;padding:22px 24px;margin-bottom:24px;background:linear-gradient(145deg,#101a28 0%,#101323 65%,#100f21 100%)}.configuration{border-color:#302659}.section-title{display:flex;align-items:center;gap:10px;background:linear-gradient(110deg,#153c55,#282044 65%,#291b31);border:1px solid #26708e;border-radius:10px;padding:13px 17px;margin:0 0 22px;color:#f1f5f9;font-size:20px;font-weight:800}.input-group{margin-bottom:18px}.input-group>label,.field-title{display:block;font-size:17px;font-weight:700;color:#d1d9e6;margin-bottom:10px}.product-form input,.product-form textarea,.field input,.field textarea,.source-info input,.source-info textarea,#catalog-search{width:100%;min-width:0;border:2px solid #2a3445;background:#0c111f;padding:13px 15px;border-radius:12px;font-size:17px;line-height:1.5}.product-form textarea,.field textarea,.source-info textarea{resize:vertical}input::placeholder,textarea::placeholder{color:#75839b}.input-with-icon{position:relative}.input-with-icon>span{position:absolute;left:14px;top:14px;font-size:19px}.input-with-icon>input{padding-left:46px}.product-form .button{width:100%}.selection-header{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:20px 0 10px;font-size:13px;color:var(--muted)}.text-button{border:0;background:transparent;color:#d8b4fe;font-size:13px;font-weight:600;padding:6px 0}.source-list{display:grid;gap:10px}.source-list>p{font-size:13px;color:var(--muted);margin:0}.source-card{display:flex;align-items:flex-start;gap:12px;padding:12px;border:1px solid var(--line);border-radius:11px;background:#0b1221}.source-info{flex:1;min-width:0}.source-info input{font-size:15px;padding:8px 10px}.source-info textarea{font-size:13px;padding:8px 10px;margin-top:8px}.source-actions{display:flex;gap:7px}.icon-button{width:32px;height:32px;display:grid;place-items:center;background:#202b40;color:#b8c5d8;border:1px solid #38bdf8;border-radius:8px;font-size:20px}
.config-grid{display:flex;flex-direction:column;gap:24px}.field{min-width:0}.field-title{margin:0 0 12px}.char-tab-container{background:#0b111db3;border:1px solid #1b5060;border-radius:15px;overflow:hidden;padding:10px}.char-tabs{display:flex;gap:7px;margin-bottom:12px;padding-bottom:11px;border-bottom:1px solid #273a4c}.char-tab-btn{flex:1;min-width:0;border:1px solid #38bdf8;border-radius:10px;padding:10px 8px;min-height:42px;background:linear-gradient(135deg,#17364d,#182539);color:#dbeafe;font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;gap:5px}.char-tab-btn.active,.mode-btn.active{background:var(--gradient);border-color:#38bdf8;color:#fff;box-shadow:0 4px 12px #0ea5e930}.char-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.char-grid.character-grid,.char-grid.mascot-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.config-option,.voice-btn,.char-card{display:flex;align-items:center;justify-content:flex-start;text-align:left;gap:12px;min-height:62px;padding:13px 16px;border:2px solid #38bdf8;border-radius:17px;background:#0e141e;color:#cbd5e1;font-weight:650;font-size:17px;line-height:1.5;transition:border-color .15s,background .15s;min-width:0}.char-icon{font-size:26px;flex-shrink:0;line-height:1.3}.option-label{min-width:0;overflow-wrap:anywhere}.config-option:hover,.voice-btn:hover,.char-card:hover{border-color:#38bdf8;background:#102332}.config-option.active,.voice-btn.active,.char-card.active{background:var(--gradient);border-color:#38bdf8;color:#fff;box-shadow:0 4px 14px #0ea5e933}.segment-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.mode-btn{display:flex;justify-content:center;align-items:center;gap:10px;min-height:52px;background:#192b42;border:1px solid #38bdf8;border-radius:11px;color:#dbeafe;font-weight:700;font-size:17px;padding:12px}.voice-grid{grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.voice-btn{font-size:13px;min-height:49px;padding:9px;gap:7px;border-radius:10px}.voice-btn .char-icon{font-size:21px}.option-subgroup+.option-subgroup{margin-top:22px}.style-group-label{font-size:16px;font-weight:800;color:#c4b5fd;border-left:3px solid #c084fc;padding-left:10px;margin:2px 0 12px}.toggle-field{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:16px;border:1px solid #355565;border-radius:13px;background:#102b37}.toggle-field.purple{border-color:#713c9b;background:linear-gradient(120deg,#31204e,#251333)}.toggle-field>label{font-size:17px;font-weight:700;cursor:pointer;flex:1}.toggle-field small{display:block;font-size:12px;font-weight:400;color:#b4becd;margin-top:5px}.switch{display:block;position:relative;width:62px;height:36px;flex-shrink:0}.switch input{position:absolute;inset:0;width:100%;height:100%;opacity:0;margin:0;z-index:2;cursor:pointer}.slider{position:absolute;inset:0;background:#283043;border-radius:30px;transition:background .2s}.slider:before{content:'';position:absolute;left:5px;top:5px;width:26px;height:26px;border-radius:50%;background:#fff;box-shadow:0 1px 3px #0005;transition:transform .2s}.switch input:checked+.slider{background:#0fa4ce}.switch input:checked+.slider:before{transform:translateX(26px)}.switch input:focus-visible+.slider{outline:2px solid #d8b4fe;outline-offset:4px}.field>small{display:block;color:var(--muted);font-size:13px;margin-top:8px}
.button{border:2px solid transparent;border-radius:14px;min-height:48px;padding:11px 18px;display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:16px;font-weight:800;text-align:center;transition:filter .15s}.button:hover{filter:brightness(1.12)}.primary{background:var(--gradient);border-color:#38bdf8;color:#fff;box-shadow:0 7px 18px #0ea5e933}.secondary{background:#1e3b5d;border-color:#38bdf8;color:#e0efff}.quiet{background:#19263b;border-color:#38bdf8;color:#dbeafe}.danger{background:#401e30;border-color:#874056;color:#fecdd3}.small{min-height:34px;padding:6px 11px;font-size:12px;border-radius:10px}.action-bar{position:fixed;z-index:20;bottom:0;left:50%;transform:translateX(-50%);width:min(860px,100%);padding:16px 28px max(16px,env(safe-area-inset-bottom));background:linear-gradient(180deg,#0c1821e8,#0c1d26);border:1px solid #28535d;border-radius:25px 25px 0 0;box-shadow:0 -8px 24px #0005;backdrop-filter:blur(12px)}.generate-button{width:100%;height:76px;border-radius:23px;font-size:26px;letter-spacing:.3px;text-shadow:0 2px 3px #0004}.results-panel{border-color:#29485c}.results-heading{justify-content:space-between}.badge-count{display:inline-flex;justify-content:center;align-items:center;padding:3px 9px;border:1px solid #326786;border-radius:8px;background:#142d43;color:#bae6fd;font-size:12px;white-space:nowrap}.empty-result{padding:24px 8px;text-align:center;font-size:15px;color:var(--muted);margin:0}.result-card{background:#0b111e;border:1px solid #33455c;border-radius:13px;padding:16px;margin-top:15px}.result-title{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:13px;font-size:16px}.result-title strong{overflow-wrap:anywhere}.subtle-pill{font-size:11px;color:#8dddec;background:#132e3b;border:1px solid #2a5166;border-radius:6px;padding:3px 7px;white-space:nowrap}.result-card textarea{width:100%;font:14px/1.8 'Sarabun',Tahoma,sans-serif;min-height:220px;resize:vertical;padding:14px;border:1px solid #3d506e;border-radius:10px;background:#080e19;color:#dbeafe}.result-card .button{width:100%;margin-top:10px}.result-note,.result-help{font-size:12px;line-height:1.7;color:var(--muted);margin:12px 0 0}.notice{color:#fde4a8;border:1px solid #796236;border-radius:9px;background:#342b19;padding:12px;font-size:14px}.catalog-toolbar{display:grid;gap:12px;margin:20px 0}.catalog-buttons{display:flex;gap:8px;flex-wrap:wrap}.catalog-list{display:grid;gap:12px}.catalog-card{display:flex;align-items:flex-start;gap:13px;padding:15px;background:#0b1321;border:1px solid #2e4158;border-radius:13px}.catalog-card input[type=checkbox]{accent-color:var(--cyan);width:20px;height:20px;margin-top:4px;flex-shrink:0}.catalog-card strong{display:block;font-size:16px}.catalog-card small{display:block;color:var(--muted);font-size:12px;overflow-wrap:anywhere}.catalog-footer{display:grid;gap:14px;margin-top:22px;padding-top:18px;border-top:1px solid #34435a;color:var(--muted);font-size:14px}.catalog-footer>div{display:grid;grid-template-columns:1fr 1fr;gap:10px}.catalog-empty{padding:30px 10px;color:var(--muted);text-align:center;font-size:15px}.import-button{width:100%;cursor:pointer}.import-guide{background:#0d1727;border:1px solid #293c56;border-radius:10px;padding:12px;margin-top:15px;font-size:13px;color:var(--muted);overflow-wrap:anywhere}.import-guide summary{cursor:pointer;color:#cbd5e1}.import-guide p{margin:12px 0}.import-guide a{margin-right:18px;display:inline-block}.form-message{font-size:14px;white-space:pre-line;overflow-wrap:anywhere;color:#d8b4fe;margin:12px 0}.auth-panel{padding:40px 28px}.login-card{max-width:500px;margin:auto;text-align:center;background:linear-gradient(145deg,#101e2d,#141027);border:1px solid #2b6175;border-radius:20px;padding:30px}.login-mark{font-size:35px}.login-card h2{font-size:25px;margin:8px 0}.login-card>p.muted{font-size:15px}.login-card>label{display:block;text-align:left;font-size:14px;margin:20px 0 8px}.login-card input{width:100%;padding:14px;border:1px solid #3d5774;border-radius:10px;background:#0a101d;font-size:16px}.login-card .primary{width:100%;margin-top:16px}.device-id{font-size:12px;word-break:break-all;margin:24px 0 0;padding-top:15px;border-top:1px solid var(--line);color:var(--muted)}.fine-print{font-size:12px;color:var(--muted);margin:12px 0 0}.sessions{display:grid;gap:12px}.session{border:1px solid #36546b;border-radius:10px;padding:12px;text-align:left}.session p{font-size:13px}.toast{position:fixed;z-index:30;bottom:125px;left:50%;transform:translateX(-50%);max-width:min(90vw,700px);background:#15384b;border:1px solid #51a5c3;padding:12px 18px;border-radius:12px;color:#e0f2fe;box-shadow:0 5px 25px #0006;font-size:14px}.toast.error{background:#421e30;border-color:#a66077;color:#ffe4e6}.visually-hidden{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}.skip-link{position:fixed;top:-100px;left:12px;z-index:50;background:#152941;padding:10px}.skip-link:focus{top:10px}

/* Shared fluid sizing. The measured header/action heights also protect focused controls. */
:root {
  --shell-width: 1440px;
  --page-gutter: clamp(12px, 2.2vw, 32px);
  --chrome-height: 170px;
  --action-height: 88px;
}
html { scroll-padding-top: calc(var(--chrome-height) + 16px); scroll-padding-bottom: calc(var(--action-height) + 16px); }
body { min-width: 280px; }
.extension-shell { width: min(calc(100% - 48px), var(--shell-width)); max-width: var(--shell-width); min-height: 100vh; min-height: 100dvh; }
.app-chrome { position: sticky; top: 0; z-index: 15; }
.app-header { min-height: 0; padding: 20px var(--page-gutter) 16px; gap: 18px; }
.brand-box { gap: 16px; }
.brand-logo { width: 56px; height: 56px; border-radius: 16px; flex-shrink: 0; }
.brand-info { min-width: 0; }
.brand-info h1 { font-size: clamp(22px, 2vw, 28px); }
.brand-title-row { gap: 10px; }
.brand-subtitle { font-size: 16px; line-height: 1.6; margin-top: 5px; }
.guide-entry { padding: 0 var(--page-gutter) 16px; }
.guide-entry a { display: inline-block; padding-block: 4px; color: #d8b4fe; text-decoration: underline; text-underline-offset: 4px; font-weight: 700; }
.guide-entry a:hover { color: #f3e8ff; }
.app-version-pill { font-size: 13px; padding: 6px 10px; border-width: 1px; }
.header-actions { gap: 6px; flex-shrink: 0; }
.nav-segment { gap: 10px; padding: 0 var(--page-gutter) 16px; }
.segment-btn { min-height: 56px; padding: 9px 16px; border-radius: 15px; border-width: 1px; font-size: clamp(16px, 1.3vw, 18px); gap: 10px; white-space: normal; }
.segment-icon { font-size: 25px; width: 34px; height: 36px; border-radius: 11px; }
.app-body { padding: 24px var(--page-gutter) calc(var(--action-height) + 24px); }
.studio-section { min-width: 0; padding: clamp(16px, 1.6vw, 24px); margin-bottom: 0; border-width: 1px; border-radius: 16px; }
.studio-view { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; }
.section-title { font-size: 18px; margin-bottom: 20px; padding: 12px 15px; }
.product-form input, .product-form textarea, .field input, .field textarea, .source-info input, .source-info textarea, #catalog-search { font-size: 16px; padding: 11px 13px; border-width: 1px; }
.input-with-icon>input { padding-left: 43px; }
.input-with-icon>span { top: 12px; }
.product-form .add-product { width: auto; min-height: 44px; }
.input-group>label, .field-title { font-size: 16px; }
.source-list, .source-info { min-width: 0; }
.source-info textarea { font-size: 14px; }
.config-grid { gap: 22px; }
.char-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.char-grid.character-grid, .char-grid.mascot-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.char-card, .config-option { min-height: 54px; border-width: 1px; border-radius: 12px; padding: 11px 12px; font-size: 15px; gap: 9px; }
.char-icon { font-size: 23px; }
.option-label { min-width: 0; overflow-wrap: anywhere; }
.char-tabs { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 70px), 1fr)); gap: 7px; }
.char-tab-btn { min-height: 44px; font-size: 13px; padding: 9px 7px; overflow-wrap: anywhere; }
.voice-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
.voice-btn { min-height: 48px; border-width: 1px; font-size: 13px; padding: 8px; gap: 6px; }
.mode-btn { min-height: 48px; font-size: 16px; padding: 10px; }
.toggle-field { padding: 14px; gap: 14px; }
.toggle-field>label { font-size: 16px; min-width: 0; overflow-wrap: anywhere; }
.toggle-field small { font-size: 12px; }
.switch { width: 52px; height: 30px; }
.slider:before { left: 4px; top: 4px; width: 22px; height: 22px; }
.switch input:checked+.slider:before { transform: translateX(22px); }
.button { min-height: 44px; font-size: 15px; padding: 10px 16px; border-width: 1px; border-radius: 11px; white-space: normal; overflow-wrap: anywhere; }
.small { min-height: 36px; padding: 6px 12px; font-size: 12px; }
.icon-button { min-width: 40px; width: 40px; height: 40px; flex-shrink: 0; }
.action-bar { width: min(calc(100% - 48px), var(--shell-width)); padding: 12px var(--page-gutter) calc(12px + env(safe-area-inset-bottom, 0px)); border-radius: 18px 18px 0 0; display: flex; justify-content: flex-end; }
.generate-button { width: 100%; height: 56px; font-size: 21px; border-radius: 15px; }
.result-title { font-size: 15px; }
.result-card textarea { font-size: 14px; min-height: 240px; max-width: 100%; }
.result-note, .result-help { font-size: 12px; overflow-wrap: anywhere; }
.results-heading>span:first-child { min-width: 0; }
.badge-count { flex-shrink: 0; }
.catalog-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.catalog-card, .catalog-card strong, .catalog-card .source-info { min-width: 0; overflow-wrap: anywhere; }
.catalog-toolbar { grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 16px; }
.catalog-buttons { justify-content: flex-end; }
.catalog-footer { grid-template-columns: 1fr auto; align-items: center; }
.catalog-footer>div { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.import-button { width: auto; }
.auth-panel { padding: clamp(24px, 5vw, 64px) var(--page-gutter); }
.login-card { width: min(100%, 480px); }
.toast { bottom: calc(var(--action-height) + 16px); }
.field-title, .char-tab-btn, .config-option, .voice-btn, .source-card, input, textarea, #results { scroll-margin-top: calc(var(--chrome-height) + 16px); scroll-margin-bottom: calc(var(--action-height) + 16px); }

/* Desktop: comfortable editing width and a visible prompt alongside the options. */
@media (min-width: 1100px) {
  .studio-view { grid-template-columns: minmax(0, 1.4fr) minmax(360px, 1fr); grid-template-areas: 'product results' 'configuration results'; gap: 24px; align-items: start; }
  .product-section { grid-area: product; }
  .configuration { grid-area: configuration; }
  .results-panel { grid-area: results; position: sticky; top: calc(var(--chrome-height) + 24px); align-self: start; max-height: calc(100vh - var(--chrome-height) - var(--action-height) - 48px); max-height: calc(100dvh - var(--chrome-height) - var(--action-height) - 48px); overflow: auto; scrollbar-width: thin; }
  .generate-button { width: min(100%, 340px); }
  .action-bar { border-radius: 14px 14px 0 0; }
  .result-card { padding: 13px; }
  .result-card textarea { min-height: 140px; height: clamp(140px, 22vh, 280px); }
}
@media (min-width: 1100px) and (max-height: 650px) {
  .results-panel { position: static; max-height: none; overflow: visible; }
}
@media (min-width: 1360px) {
  .char-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .char-grid.character-grid, .char-grid.mascot-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .voice-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Tablet: a generous single column, with more choices per row when space allows. */
@media (min-width: 600px) and (max-width: 1099px) {
  :root { --shell-width: 1000px; --page-gutter: 20px; }
  .extension-shell, .action-bar { width: calc(100% - 32px); }
  .app-header { padding-top: 18px; padding-bottom: 14px; }
  .brand-logo { width: 52px; height: 52px; }
  .segment-btn { min-height: 56px; font-size: 16px; padding: 9px; gap: 8px; }
  .app-body { padding-top: 20px; }
  .studio-section { padding: 20px; }
  .product-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 16px; align-items: start; }
  .product-form .add-product { grid-column: 1 / -1; justify-self: start; }
  .catalog-toolbar { grid-template-columns: minmax(0, 1fr); gap: 10px; }
  .catalog-buttons { justify-content: flex-start; }
  .catalog-footer { grid-template-columns: 1fr; }
  .catalog-footer>div { justify-self: stretch; }
}
@media (min-width: 768px) and (max-width: 1099px) {
  .char-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .char-grid.character-grid, .char-grid.mascot-grid, .voice-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* Mobile: compact chrome, large touch targets and full-width primary action. */
@media (max-width: 599px) {
  :root { --page-gutter: 12px; --chrome-height: 150px; --action-height: 78px; }
  .extension-shell, .action-bar { width: 100%; border-inline: 0; }
  .app-header { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; padding: 12px 14px; }
  .brand-box { gap: 9px; }
  .brand-logo { width: clamp(36px, 11vw, 46px); height: clamp(36px, 11vw, 46px); border-radius: 12px; }
  .brand-title-row { flex-wrap: nowrap; gap: 6px; }
  .brand-info h1 { font-size: clamp(18px, 5vw, 23px); letter-spacing: -.4px; }
  .brand-subtitle { margin-top: 3px; }
  .app-version-pill { font-size: 10px; padding: 4px 7px; }
  .header-actions { font-size: 9px; gap: 4px; max-width: 100px; }
  .header-actions .small { min-height: 36px; padding: 5px 8px; font-size: 10px; }
  .nav-segment { padding: 0 12px 12px; gap: 6px; }
  .segment-btn { flex-direction: column; justify-content: center; min-height: 64px; padding: 7px 4px; gap: 4px; font-size: clamp(12px, 3.5vw, 14px); line-height: 1.3; border-radius: 12px; }
  .segment-icon { width: 26px; height: 27px; font-size: 20px; border-radius: 8px; }
  .nav-segment small { display: none; }
  .app-body { padding-top: 14px; }
  .studio-view { gap: 16px; }
  .studio-section { padding: 14px 12px; border-radius: 14px; }
  .section-title { font-size: 16px; padding: 10px 12px; margin-bottom: 16px; gap: 8px; }
  .input-group>label, .field-title { font-size: 14px; }
  .product-form .add-product { width: 100%; }
  .product-form input, .product-form textarea, .field input, .field textarea, .source-info input, .source-info textarea, #catalog-search, .result-card textarea { font-size: 16px; }
  .product-form input, .product-form textarea { padding: 11px; }
  .input-with-icon>input { padding-left: 39px; }
  .input-with-icon>span { left: 11px; top: 12px; font-size: 18px; }
  .selection-header { flex-wrap: wrap; gap: 6px; margin-top: 16px; }
  .selection-header, .text-button { font-size: 12px; }
  .text-button { min-height: 40px; }
  .source-card { padding: 10px; gap: 8px; }
  .icon-button { width: 44px; height: 44px; }
  .config-grid { gap: 18px; }
  .char-grid, .char-grid.character-grid, .char-grid.mascot-grid, .voice-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .char-tab-container { padding: 8px; border-radius: 12px; }
  .char-tabs { gap: 5px; margin-bottom: 10px; padding-bottom: 9px; }
  .char-tab-btn { font-size: 12px; padding: 7px 5px; border-radius: 9px; }
  .char-card, .config-option, .voice-btn { min-height: 50px; padding: 9px; font-size: 14px; gap: 7px; }
  .char-icon { font-size: 21px; }
  .voice-btn .char-icon { font-size: 20px; }
  .mode-btn { min-height: 46px; padding: 10px 8px; font-size: 14px; }
  .toggle-field { padding: 12px; gap: 12px; }
  .toggle-field>label { font-size: 14px; }
  .toggle-field small { font-size: 11px; }
  .switch { width: 50px; height: 29px; }
  .slider:before { width: 21px; height: 21px; }
  .switch input:checked+.slider:before { transform: translateX(21px); }
  .button { font-size: 14px; padding: 10px 12px; }
  .small { min-height: 40px; font-size: 12px; padding: 7px 10px; }
  .action-bar { padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px)); border-radius: 16px 16px 0 0; }
  .generate-button { height: 54px; border-radius: 13px; font-size: 19px; }
  .result-card { padding: 12px; }
  .result-title { font-size: 14px; flex-wrap: wrap; }
  .result-card textarea { min-height: 230px; }
  .result-note, .result-help { font-size: 12px; }
  .catalog-list, .catalog-toolbar, .catalog-footer, .catalog-footer>div { grid-template-columns: minmax(0, 1fr); }
  .catalog-buttons { justify-content: flex-start; gap: 6px; }
  .catalog-card { padding: 12px; gap: 10px; }
  .catalog-card strong { font-size: 15px; }
  .import-button { width: 100%; }
  .login-card { padding: 24px 16px; }
  .login-card h2 { font-size: 22px; }
  .login-card>p.muted { font-size: 14px; }
  .toast { font-size: 13px; width: max-content; max-width: calc(100% - 24px); }
}
@media (max-width: 359px) {
  .app-header { padding-inline: 10px; }
  .brand-box { gap: 7px; }
  .brand-title-row { gap: 4px; }
  .brand-info h1 { font-size: 17px; }
  .app-version-pill { font-size: 9px; padding: 4px 5px; }
  .header-actions { max-width: 82px; font-size: 8px; }
  .header-actions .small { font-size: 9px; padding-inline: 6px; }
  .nav-segment { padding-inline: 8px; gap: 5px; }
  .segment-btn { font-size: 12px; }
  .char-tab-btn { font-size: 11px; }
  .char-card, .config-option { font-size: 13px; padding: 8px 7px; gap: 6px; }
  .char-icon { font-size: 19px; }
}

/* Short landscape windows: let the header scroll away instead of covering the work. */
@media (max-height: 550px) {
  .app-chrome { position: relative; }
  html { scroll-padding-top: 12px; }
  .field-title, .char-tab-btn, .config-option, .voice-btn, .source-card, input, textarea, #results { scroll-margin-top: 12px; }
  .results-panel { position: static; max-height: none; overflow: visible; }
  .action-bar { padding-top: 8px; padding-bottom: calc(8px + env(safe-area-inset-bottom, 0px)); }
  .generate-button { height: 46px; font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none!important; scroll-behavior: auto!important; } }
@media (max-width: 599px) {
  body.keyboard-open .action-bar { visibility: hidden; pointer-events: none; }
}

/* Prompt previews update inline; the removed bottom action no longer reserves space. */
:root { --action-height: 0px; }
.app-body { padding-bottom: 24px; }
.header-actions:empty { display: none; }
.result-card:first-child { margin-top: 0; }
@media (max-width: 599px) {
  .app-header { grid-template-columns: minmax(0, 1fr); }
  .app-body { padding-bottom: 18px; }
}

/* Two creation modes share the available width on every device. */
.nav-segment { grid-template-columns: repeat(2, minmax(0, 1fr)); }

/* One-page studio: shared product, image and video recipes, then both prompts. */
:root { --shell-width: 1120px; --action-height: 94px; }
html { scroll-padding-top: 20px; }
.extension-shell { margin: 0 auto; }
.app-chrome { position: relative; border-bottom: 1px solid #23455d; }
.app-header { padding-block: 24px; }
.studio-view { display: flex; flex-direction: column; align-items: stretch; gap: 24px; }
.product-section, .configuration, .results-panel { grid-area: auto; width: 100%; align-self: stretch; }
.results-panel { position: static; max-height: none; overflow: visible; }
.app-body { padding-bottom: calc(var(--action-height) + 36px); }
.studio-section { padding: 24px; border-radius: 20px; }
.section-title { margin: 0 0 24px; display: flex; align-items: center; gap: 10px; font-size: 21px; line-height: 1.5; }
.step-number { display: inline-flex; flex: 0 0 30px; align-items: center; justify-content: center; width: 30px; height: 30px; border-radius: 50%; background: linear-gradient(135deg,#08b9d1,#168cf0); color: #fff; font-size: 16px; font-weight: 800; }
.results-heading { justify-content: space-between; flex-wrap: wrap; }
.results-heading>span:first-child { display: flex; align-items: center; gap: 10px; }
.product-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; align-items: start; }
.product-form .input-group { margin: 0; }
.product-form textarea { min-height: 84px; }
.char-grid, .char-grid.character-grid, .char-grid.mascot-grid, .voice-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.char-card, .config-option { min-height: 68px; }
.field-title, .char-tab-btn, .config-option, .voice-btn, input, textarea, #results { scroll-margin-top: 20px; }
.result-status { color: #9aafc4; font-size: 14px; line-height: 1.7; margin: -8px 0 20px; }
.result-status.is-stale { color: #f3d38a; background: #332912; border: 1px solid #69532b; border-radius: 12px; padding: 12px; }
.prompt-results-grid { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 18px; }
.result-card, .result-card:first-child { margin: 0; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.prompt-kind { margin: 0; color: #d8edff; font-size: 18px; }
.result-card textarea { min-height: 330px; margin: 0; flex: 1; }
.result-card .button { width: 100%; margin: 0; }
.action-bar { position: fixed; z-index: 30; left: 50%; bottom: 16px; transform: translateX(-50%); width: min(calc(100% - 48px), 1072px); display: grid; grid-template-columns: 56px minmax(0,1fr); gap: 12px; padding: 12px; border: 1px solid #2b536b; border-radius: 20px; background: rgba(10,21,35,.96); box-shadow: 0 8px 40px #0009; backdrop-filter: blur(16px); }
.generate-button, .reset-button { width: 100%; height: 56px; margin: 0; border-radius: 13px; }
.generate-button { font-size: 21px; }
.reset-button { padding: 0; }
.toast { bottom: calc(var(--action-height) + 34px); }
@media (max-width: 899px) {
  .char-grid, .char-grid.character-grid, .char-grid.mascot-grid, .voice-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .prompt-results-grid { grid-template-columns: minmax(0,1fr); }
  .studio-section { padding: 20px; }
}
@media (max-width: 599px) {
  .extension-shell { width: 100%; border-inline: 0; }
  .app-header { padding: 18px 16px; }
  .app-body { padding: 16px 12px calc(var(--action-height) + 28px); }
  .studio-view { gap: 16px; }
  .studio-section { padding: 16px; border-radius: 16px; }
  .section-title { font-size: 17px; margin-bottom: 20px; padding: 12px; gap: 8px; }
  .step-number { width: 26px; height: 26px; flex-basis: 26px; font-size: 14px; }
  .product-form { grid-template-columns: minmax(0,1fr); gap: 16px; }
  .char-grid, .char-grid.character-grid, .char-grid.mascot-grid, .voice-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .action-bar { bottom: 0; width: 100%; grid-template-columns: 52px minmax(0,1fr); gap: 8px; padding: 10px 12px calc(10px + env(safe-area-inset-bottom,0px)); border-radius: 16px 16px 0 0; }
  .generate-button, .reset-button { height: 52px; padding-inline: 8px; }
  .generate-button { font-size: 18px; }
  .result-card textarea { min-height: 270px; }
  .toast { bottom: calc(var(--action-height) + 12px); }
}

/* Open studio with a local trial and an optional license/payment dialog. */
.access-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 0 32px 22px; }
.access-status { display: inline-flex; align-items: center; padding: 7px 12px; border-radius: 999px; background: #133348; color: #8ee4ff; font-size: 13px; font-weight: 700; }
.unlock-button { min-height: 42px; font-size: 14px; padding: 10px 16px; }
.unlock-dialog { width: min(560px,calc(100% - 32px)); max-height: calc(100dvh - 32px); padding: 0; border: 1px solid #24749a; border-radius: 20px; color: #edf3ff; background: linear-gradient(150deg,#101e35,#080f1e); box-shadow: 0 24px 100px #0009; overflow: auto; overscroll-behavior: contain; }
.unlock-dialog::backdrop { background: #020617c9; backdrop-filter: blur(5px); }
body:has(.unlock-dialog[open]) { overflow: hidden; }
.unlock-content { padding: 30px 26px; position: relative; }
.close-unlock { position: absolute; top: 12px; right: 12px; width: 32px; height: 32px; border: 1px solid #43516a; border-radius: 50%; background: #1b293d; color: #e9f3ff; font-size: 22px; line-height: 1; }
.payment-heading { display: flex; align-items: center; gap: 12px; padding-right: 24px; margin-bottom: 24px; }
.payment-icon { width: 44px; height: 44px; display: grid; place-items: center; background: #133449; color: #89e3ff; border-radius: 12px; font-size: 26px; }
.payment-heading h2 { font-size: 23px; line-height: 1.4; margin: 0 0 8px; }
.payment-heading p { color: #abc5df; font-size: 12px; margin: 0; }
.payment-total { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px; background: #081324; border: 1px solid #2b3b53; border-radius: 14px; margin-bottom: 18px; }
.payment-total>span { font-size: 14px; color: #bed5ee; font-weight: 700; }
.payment-total strong { font-size: 36px; line-height: 1.3; color: #fff; white-space: nowrap; }
.payment-total small { font-size: 18px; }
.bank-card { border: 1px solid #493c79; border-radius: 14px; background: #111a2e; padding: 20px; }
.bank-card h3 { display: flex; align-items: center; gap: 10px; margin-bottom: 22px; font-size: 16px; }
.bank-mark { display: inline-grid; place-items: center; padding: 8px; border-radius: 9px; color: #ffe947; background: #542d88; font-size: 13px; font-weight: 900; }
.bank-label { color: #acc0dc; font-size: 13px; margin: 20px 0 10px; }
.bank-account-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.bank-account-row strong { color: #fff; font-size: clamp(22px,5vw,29px); white-space: nowrap; }
.bank-account-row .button { border-radius: 999px; flex-shrink: 0; }
.bank-holder { font-size: 17px; margin: 0; }
.payment-instructions { margin-top: 20px; }
.payment-instructions h3, .unlock-license h3 { font-size: 17px; margin-bottom: 10px; }
.payment-instructions p { font-size: 14px; line-height: 1.9; color: #b9cce4; }
.line-button { width: 100%; margin-top: 8px; background: #06b843; border-color: #06c755; border-radius: 999px; color: #fff; font-size: 14px; }
.facebook-button { width: 100%; margin-top: 12px; background: #1877f2; border-color: #388bff; border-radius: 999px; color: #fff; font-size: 14px; }
.unlock-license { margin-top: 24px; padding-top: 24px; border-top: 1px solid #2d3b54; }
.unlock-license label { display: block; font-size: 13px; margin-bottom: 8px; color: #adc5df; }
.unlock-license input { display: block; width: 100%; padding: 14px; font-size: 16px; border: 1px solid #344962; border-radius: 12px; background: #081324; }
.unlock-license>.button { width: 100%; margin-top: 12px; }
@media (max-width: 599px) {
  .access-bar { padding: 0 16px 18px; gap: 10px; }
  .access-status { font-size: 12px; }
  .unlock-button { font-size: 13px; }
  .unlock-content { padding: 28px 18px 22px; }
  .payment-heading h2 { font-size: 20px; }
  .payment-heading { gap: 9px; }
  .payment-icon { width: 38px; flex-shrink: 0; }
  .bank-card { padding: 16px; }
  .bank-account-row { gap: 8px; }
  .bank-account-row .small { font-size: 11px; padding: 6px 9px; }
}

/* Extension menus: category tabs and option cards have separate selected states. */
.configuration .char-tab-container { padding: 10px; border: 1px solid #1c4b5b; border-radius: 12px; background: #0b121e; overflow: visible; }
.configuration .char-tabs { margin: 0 0 14px; padding-bottom: 12px; gap: 7px; }
.configuration .char-tabs .char-tab-btn { border-color: #458ac2; background: #1b354e; border-radius: 9px; min-height: 42px; }
.configuration .char-tabs .char-tab-btn.active { background: var(--gradient); border-color: #38bdf8; box-shadow: 0 4px 12px #0ea5e92a; }
.configuration .char-grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 9px; }
.configuration .voice-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
.configuration .char-card, .configuration .voice-btn { position: relative; min-height: 62px; padding: 12px 24px 12px 12px; border: 1px solid #303746; border-radius: 11px; background: #0e141c; color: #cbd5e1; box-shadow: none; gap: 9px; font-size: 14px; transform: none; }
.configuration .char-card:hover, .configuration .voice-btn:hover { background: #1a202b; border-color: #606878; color: #fff; }
.configuration .char-card.active, .configuration .voice-btn.active { background: linear-gradient(145deg,#24232e,#171b24); border-color: #a794ed; color: #fff; box-shadow: 0 0 0 1px #a794ed0d; }
.configuration .char-card.active::after { content: ''; position: absolute; right: 9px; top: calc(50% - 3px); width: 6px; height: 6px; border-radius: 50%; background: #fff; box-shadow: 0 0 8px #ffffff80; }
.configuration .char-icon { font-size: 23px; }
.configuration .mode-btn { min-height: 54px; font-size: 15px; }
.configuration .mode-btn.active { background: var(--gradient); border-color: #38bdf8; }
.configuration [data-field="characterSource"]>.char-tabs { grid-template-columns: repeat(2,minmax(0,1fr)); border: 1px solid #1c4b5b; border-bottom: 0; padding: 10px; margin: 0; border-radius: 12px 12px 0 0; background: #0b121e; }
.configuration [data-field="characterSource"]>[data-field] { margin-top: 0; }
.configuration [data-field="characterSource"]>[data-field]>.char-tab-container { border-radius: 0 0 12px 12px; border-top: 0; }
.configuration .video-style-container { border-color: #343843; }
.configuration .style-group-label { font-size: 15px; color: #c084fc; border-color: #c084fc; }
.configuration .video-group-closing .style-group-label { color: #eab308; border-color: #eab308; }
.configuration .video-group-broll .style-group-label { color: #60a5fa; border-color: #60a5fa; }
.configuration .video-group-voice .style-group-label { color: #f472b6; border-color: #f472b6; }
.configuration [data-field="video_style"]>.toggle-field { margin-bottom: 10px; min-height: 52px; }
.configuration .toggle-field.purple { border: 1px dashed #4b3b69; background: #181627; }
.configuration .option-item { position: relative; min-width: 0; }
.configuration .option-item>.config-option { width: 100%; height: 100%; min-height: 62px; padding-right: 48px; }
.configuration .option-item:has(.option-help[open])>.config-option { height: auto; }
.configuration .style-note-badge { position: absolute; z-index: 1; top: 21px; right: 24px; width: 22px; height: 22px; display: grid; place-items: center; border: 1px solid #225364; border-radius: 50%; background: #102b36; color: #67e8f9; font-size: 13px; cursor: pointer; list-style: none; }
.configuration .style-note-badge::-webkit-details-marker { display: none; }
.configuration .style-note-badge:focus-visible { outline: 2px solid #d8b4fe; outline-offset: 3px; }
.configuration .option-help-text { font-size: 12px; line-height: 1.7; padding: 10px; margin: 7px 0 0; border: 1px solid #2c5362; border-radius: 9px; background: #10212e; color: #c9e2ee; overflow-wrap: anywhere; }
.configuration .field-note { color: #94a3b8; font-size: 12px; line-height: 1.7; margin: 9px 0 0; }
.configuration .disabled-section { opacity: .45; }
.configuration .disabled-section button:disabled { cursor: not-allowed; }
.configuration [data-field="mascot"] [data-value="custom"], .configuration [data-field="mascot_outfit"] [data-value="custom"], .configuration [data-field="mascot_bg"] [data-value="custom"] { grid-column: 1/-1; justify-content: center; border-style: dashed; }
@media (min-width: 600px) and (max-width: 1099px) {
  .configuration .char-grid { grid-template-columns: repeat(3,minmax(0,1fr)); }
  .configuration .voice-grid { grid-template-columns: repeat(4,minmax(0,1fr)); }
}
@media (max-width: 599px) {
  .configuration .char-grid { grid-template-columns: repeat(2,minmax(0,1fr)); gap: 8px; }
  .configuration .voice-grid { grid-template-columns: repeat(4,minmax(0,1fr)); gap: 5px; }
  .configuration .voice-btn { padding: 8px 5px; font-size: 11px; gap: 4px; flex-direction: column; justify-content: center; }
  .configuration .char-card { padding: 10px 20px 10px 9px; font-size: 13px; gap: 7px; }
  .configuration .char-icon { font-size: 21px; }
  .configuration .char-tabs .char-tab-btn { font-size: 12px; padding: 8px 5px; }
  .configuration .option-item>.config-option { padding-right: 44px; }
  .configuration .style-note-badge { right: 20px; }
}
.configuration [data-field="character"] [data-value="custom"],
.configuration [data-field="bg"] [data-value="custom"],
.configuration [data-field="outfit"] [data-value="custom"] {
  grid-column: 1/-1; justify-content: center; border-style: dashed;
}

/* Runtime extension video cards: caption + description, with blue button surfaces. */
.configuration .video-group-warning .style-group-label { color: #ef4444; border-color: #ef4444; }
.configuration .video-style-container .vstyle-rich-option {
  display: grid; align-content: center; justify-items: start; align-items: start;
  gap: 4px; min-height: 68px; width: 100%; padding: 10px;
  border: 1px solid #4b9bea; border-radius: 11px;
  background: linear-gradient(135deg,#173956,#1d3d68); color: #eaf6ff;
  text-align: left; box-shadow: none;
}
.configuration .video-style-container .vstyle-rich-option:hover:not(:disabled) { border-color: #67d8f5; background: linear-gradient(135deg,#1c5b84,#2458a1); }
.configuration .video-style-container .vstyle-rich-option.active { border-color: #75dfff; background: var(--gradient); color: #fff; box-shadow: 0 5px 16px #0ea5e93d; }
.configuration .vstyle-option-title { display: block; width: 100%; font-size: 14px; line-height: 1.35; font-weight: 800; overflow-wrap: anywhere; }
.configuration .vstyle-option-desc { display: block; width: 100%; font-size: 11px; line-height: 1.5; font-weight: 600; color: #a9bed5; overflow-wrap: anywhere; }
.configuration .vstyle-rich-option.active .vstyle-option-desc { color: #e0efff; }
.configuration .voice-btn, .configuration [data-field="product_character"] .char-card { border-color: #4b9bea; background: linear-gradient(135deg,#173956,#1d3d68); color: #eaf6ff; }
.configuration .voice-btn.active, .configuration [data-field="product_character"] .char-card.active { border-color: #75dfff; background: var(--gradient); color: #fff; box-shadow: 0 5px 16px #0ea5e93d; }
.configuration [data-field="product_character"] [data-value="auto"] { grid-column: 1/-1; justify-content: center; }
.configuration [data-field="product_character"] .char-card.active::after { display: none; }
.configuration .switch input:checked+.slider { background: #8b5cf6; }
.configuration .disabled-section { opacity: .4; filter: grayscale(1); }
.configuration .disabled-section.random-disabled { opacity: .5; filter: none; }
.configuration .disabled-section button:disabled { opacity: 1; cursor: not-allowed; }
.configuration .disabled-section .style-note-badge { cursor: not-allowed; }
.configuration .disabled-section .lock-note { padding: 8px 10px; border: 1px solid #286275; border-radius: 8px; color: #a5f3fc; background: #102c3a; }
@media (max-width: 599px) {
  .configuration .video-style-container .vstyle-rich-option { min-height: 64px; gap: 3px; padding: 8px; }
  .configuration .vstyle-option-title { font-size: 12px; }
  .configuration .vstyle-option-desc { font-size: 10px; }
}
.configuration [data-field="characterSource"]>[data-field="product_character"]>.field-title { margin-top: 16px; padding-left: 12px; font-size: 14px; }

/* Details present on the original character cards and content fields. */
.configuration .costume-locked::before { content: 'ชุดเฉพาะ'; position: absolute; top: 4px; right: 5px; padding: 2px 5px; border-radius: 999px; background: #ec48992e; color: #f9a8d4; font-size: 8px; font-weight: 900; }
.configuration .costume-locked { padding-top: 17px; }
.configuration #config-script { min-height: 60px; height: 60px; }
.configuration .field-note { font-size: 11px; }

.configuration [data-field="characterSource"]>.char-tabs { grid-template-columns: repeat(3,minmax(0,1fr)); }
.configuration [data-field="characterSource"]>.reference-panel { border-top: 0; border-radius: 0 0 12px 12px; padding: 18px 12px; }
.configuration .reference-panel strong { font-size: 15px; }