:root{--bg:#f6f7fb;--card:#fff;--text:#171923;--muted:#747a8a;--line:#e7e9f0;--primary:#635bff;--primary2:#5148ed;--green:#1f9d68;--amber:#c88118;--red:#d64545;--sidebar:#111827;--shadow:0 10px 35px rgba(17,24,39,.07)}*{box-sizing:border-box}html,body{margin:0;min-height:100%;font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--text);background:var(--bg)}button,input,textarea,select{font:inherit}a{color:inherit;text-decoration:none}button{cursor:pointer}.admin-body{padding-left:248px}.sidebar{position:fixed;inset:0 auto 0 0;width:248px;background:var(--sidebar);color:white;padding:26px 18px;display:flex;flex-direction:column;z-index:40}.brand{display:flex;align-items:center;gap:11px;font-weight:800;font-size:18px;padding:0 8px 24px}.brand-mark{display:grid;place-items:center;width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,#7c73ff,#4f46e5);color:#fff;font-weight:900;box-shadow:0 12px 30px rgba(99,91,255,.3)}.brand-mark.small{width:34px;height:34px;border-radius:10px}.sidebar nav{display:grid;gap:7px}.sidebar nav a{padding:12px 14px;border-radius:10px;color:#cdd3df;font-weight:650}.sidebar nav a:hover{background:#1f2937;color:#fff}.sidebar-foot{margin-top:auto;border-top:1px solid rgba(255,255,255,.1);padding:18px 10px 0;display:flex;justify-content:space-between;gap:10px;color:#b8c0ce;font-size:13px}.main-shell{min-height:100vh}.topbar{height:76px;background:rgba(255,255,255,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 30px;position:sticky;top:0;z-index:30}.topbar h1{font-size:22px;margin:0}.content{padding:28px;max-width:1500px;margin:0 auto}.btn{border:0;border-radius:10px;padding:11px 16px;font-weight:750;display:inline-flex;align-items:center;justify-content:center;gap:7px}.btn.primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(99,91,255,.22)}.btn.primary:hover{background:var(--primary2)}.btn.soft{background:#f0f2f7;color:#272b35}.btn.compact{padding:9px 13px;font-size:14px}.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}.stat-card,.panel,.form-card{background:var(--card);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.stat-card{padding:20px}.stat-card span{display:block;color:var(--muted);font-size:13px;font-weight:700}.stat-card strong{display:block;font-size:31px;margin-top:8px}.panel{overflow:hidden}.panel-head{display:flex;justify-content:space-between;align-items:center;padding:20px 22px;border-bottom:1px solid var(--line)}.panel-head h2{font-size:17px;margin:0}.panel-head p{margin:4px 0 0;color:var(--muted);font-size:13px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse}th,td{padding:15px 20px;text-align:left;border-bottom:1px solid var(--line);font-size:14px}th{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}td small{display:block;color:var(--muted);margin-top:4px}.badge{display:inline-flex;border-radius:999px;padding:6px 9px;font-size:11px;font-weight:800}.badge.green{background:#e8f8f1;color:#147550}.badge.amber{background:#fff4df;color:#a5650d}.badge.red{background:#fdeaea;color:#b63131}.badge.gray{background:#edf0f4;color:#657080}.badge.big{font-size:13px;padding:8px 12px}.text-link{color:var(--primary);font-weight:700}.icon-btn{display:grid;place-items:center;width:34px;height:34px;border-radius:9px;background:#f1f3f7}.empty{color:var(--muted);text-align:center}.page-actions{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.lead-text{color:var(--muted);margin:0}.form-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.form-card{padding:20px}.form-card-top{display:flex;justify-content:space-between;align-items:center}.form-icon{width:42px;height:42px;border-radius:12px;background:#efeeff;color:var(--primary);display:grid;place-items:center;font-size:20px}.form-card h3{margin:20px 0 7px;font-size:18px}.public-link{color:var(--muted);font-size:13px}.mini-stats{display:flex;gap:20px;padding:18px 0;border-bottom:1px solid var(--line);margin-bottom:16px;color:var(--muted);font-size:13px}.mini-stats strong{color:var(--text)}.card-actions{display:flex;gap:8px;align-items:center}.menu{margin-left:auto;position:relative}.menu summary{list-style:none;width:38px;height:38px;display:grid;place-items:center;border-radius:9px;background:#f1f3f7}.menu>div{position:absolute;right:0;top:44px;background:#fff;border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);padding:6px;min-width:140px;z-index:5}.menu form{display:grid}.menu button{border:0;background:none;text-align:left;padding:9px;border-radius:7px}.danger-text{color:var(--red)}.empty-state{grid-column:1/-1;background:#fff;border:1px dashed #d9dce5;border-radius:18px;padding:70px;text-align:center}.big-icon{font-size:36px}.filters{display:flex;gap:10px;margin-bottom:18px}.filters input,.filters select,.form-settings input,.form-settings textarea,.settings-panel input,.settings-panel textarea,.builder-actions select,.auth-card input{border:1px solid #dfe2ea;border-radius:10px;padding:11px 12px;background:#fff;outline:none}.filters input:focus,.filters select:focus,.settings-panel input:focus,.settings-panel textarea:focus,.auth-card input:focus{border-color:#9d98ff;box-shadow:0 0 0 3px #eeedff}.submission-head{display:flex;align-items:flex-start;justify-content:space-between;margin-bottom:20px}.submission-head h2{margin:12px 0 5px}.submission-head h2 span{color:var(--muted);font-weight:600}.submission-head p{color:var(--muted);margin:0}.detail-grid{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:18px}.answers-list>div{padding:17px 22px;border-bottom:1px solid var(--line)}.answers-list span{display:block;color:var(--muted);font-size:12px;margin-bottom:7px}.signature-view{max-width:280px;max-height:90px;object-fit:contain;background:#fafafa;border-radius:8px}.meta-card{padding:20px;height:max-content}.meta-card h2{margin-top:0}.meta-card dl{margin:0}.meta-card dt{color:var(--muted);font-size:12px;margin-top:15px}.meta-card dd{margin:5px 0 0;font-weight:650}.auth-bg{display:grid;place-items:center;background:radial-gradient(circle at top,#efedff,#f7f8fc 40%);padding:24px}.auth-card{width:min(100%,430px);background:#fff;border:1px solid var(--line);border-radius:22px;padding:34px;box-shadow:0 24px 70px rgba(17,24,39,.1)}.auth-card h1{margin-bottom:8px}.muted{color:var(--muted)}.stack{display:grid;gap:15px}.stack label,.settings-panel label,.form-settings label{display:grid;gap:7px;font-size:13px;font-weight:700}.notice{padding:12px 14px;border-radius:10px;margin:14px 0}.notice.success{background:#e8f8f1;color:#147550}.notice.danger{background:#fdeaea;color:#a52d2d}.mobile-menu{display:none}
/* Builder */.builder-app{position:fixed;inset:0;background:#f7f8fb;z-index:100}.builder-top{height:68px;background:#fff;border-bottom:1px solid var(--line);display:grid;grid-template-columns:260px 1fr auto;align-items:center;padding:0 18px;gap:16px}.back-link{font-weight:750;color:#5d6472}.builder-title{text-align:center}.builder-title input{border:0;background:transparent;font-size:16px;font-weight:800;text-align:center;max-width:360px;width:100%;outline:none}.builder-title span{display:block;color:var(--muted);font-size:11px;margin-top:2px}.builder-actions{display:flex;gap:8px;align-items:center}.builder-layout{height:calc(100vh - 68px);display:grid;grid-template-columns:240px minmax(460px,1fr) 310px}.field-palette,.settings-panel{background:#fff;overflow:auto;padding:18px;border-right:1px solid var(--line)}.settings-panel{border-right:0;border-left:1px solid var(--line)}.field-palette h3,.settings-panel h3{margin:0 0 5px}.field-palette>p,.settings-panel p{font-size:12px;color:var(--muted)}.palette-group{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:20px}.palette-group>span{grid-column:1/-1;font-size:11px;font-weight:800;color:#8a90a0;text-transform:uppercase;letter-spacing:.05em}.palette-group button{min-height:66px;border:1px solid var(--line);background:#fff;border-radius:10px;text-align:left;padding:10px;color:var(--primary);font-size:18px}.palette-group button b{display:block;color:#333844;font-size:11px;margin-top:8px}.palette-group button:hover{border-color:#aaa5ff;background:#f8f7ff}.builder-canvas-wrap{overflow:auto;padding:18px 28px}.canvas-toolbar{max-width:720px;margin:0 auto 12px;display:flex;justify-content:space-between;align-items:center}#pageTabs{display:flex;gap:5px;overflow:auto}#pageTabs button{border:0;background:transparent;padding:8px 11px;border-radius:8px;color:var(--muted);font-size:12px;font-weight:700}#pageTabs button.active{background:#fff;box-shadow:0 1px 5px rgba(0,0,0,.08);color:var(--text)}.form-canvas{max-width:720px;min-height:600px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:18px;padding:38px 44px 60px;box-shadow:0 14px 40px rgba(17,24,39,.06)}.form-head-preview{padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:18px}.form-head-preview h2{font-size:27px;margin:0 0 8px}.form-head-preview p{margin:0;color:var(--muted)}.canvas-field{position:relative;border:1px solid transparent;border-radius:11px;padding:14px 18px;margin:5px -18px;transition:.15s}.canvas-field:hover{border-color:#d7d9e3;background:#fbfbfd}.canvas-field.selected{border-color:#9f9aff;background:#faf9ff;box-shadow:0 0 0 2px #eceaff}.drag-handle{position:absolute;left:3px;top:50%;transform:translateY(-50%);color:#a5aab5;opacity:0}.canvas-field:hover .drag-handle,.canvas-field.selected .drag-handle{opacity:1}.field-delete{position:absolute;right:7px;top:7px;width:26px;height:26px;border:0;border-radius:7px;background:#f2f3f6;color:#7b8190;opacity:0}.canvas-field:hover .field-delete,.canvas-field.selected .field-delete{opacity:1}.preview-label{font-size:13px;font-weight:750;display:block;margin-bottom:8px}.preview-label em{color:#e05252;font-style:normal}.fake-input,.upload-preview,.signature-preview{border:1px solid #dfe2ea;border-radius:9px;padding:12px;color:#a1a6b1;font-size:13px;background:#fff}.fake-input.tall{height:74px}.choice-preview{font-size:13px;padding:6px 0;color:#555d6a}.upload-preview,.signature-preview{border-style:dashed;text-align:center;padding:20px}.canvas-heading{margin:2px 0;font-size:20px}.canvas-paragraph{margin:2px 0;color:var(--muted);line-height:1.5}.fake-next{float:right;margin-top:24px;border:0;border-radius:9px;background:var(--primary);color:white;padding:11px 17px;font-weight:750}.settings-title{display:flex;justify-content:space-between}.settings-title small{text-transform:uppercase;color:var(--primary);font-weight:800}.settings-title button{border:0;background:none;font-size:22px;color:#949aa8}.settings-panel label{margin-top:15px}.settings-panel textarea{resize:vertical}.toggle-row{grid-template-columns:1fr auto!important;align-items:center}.toggle-row input{width:18px;height:18px}.condition-box,.form-settings{border-top:1px solid var(--line);margin-top:24px;padding-top:18px}.condition-box strong{font-size:13px}.condition-box small,.settings-panel label small{color:var(--muted);font-weight:500}.form-settings{margin-top:30px}
@media(max-width:1100px){.form-cards{grid-template-columns:repeat(2,1fr)}.builder-layout{grid-template-columns:210px 1fr}.settings-panel{position:fixed;right:0;top:68px;bottom:0;width:310px;box-shadow:-10px 0 30px rgba(0,0,0,.08);z-index:3}.settings-panel:has(#fieldSettings[hidden]){display:none}}@media(max-width:760px){.admin-body{padding-left:0}.sidebar{transform:translateX(-100%);transition:.2s}.menu-open .sidebar{transform:none}.mobile-menu{display:block;border:0;background:none;font-size:21px}.topbar{padding:0 16px}.content{padding:18px}.stats-grid{grid-template-columns:1fr 1fr}.form-cards{grid-template-columns:1fr}.detail-grid{grid-template-columns:1fr}.page-actions{align-items:flex-start;gap:14px}.filters{flex-wrap:wrap}.builder-top{grid-template-columns:auto 1fr auto}.builder-actions select,.builder-actions .soft{display:none}.builder-layout{grid-template-columns:1fr}.field-palette{display:none}.builder-canvas-wrap{padding:12px}.form-canvas{padding:28px 22px}.back-link{font-size:0}.back-link:after{content:'←';font-size:20px}.builder-title input{font-size:14px}.settings-panel{width:min(92vw,340px)}}

/* v1.2 builder improvements */
.name-preview-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.name-preview-grid small{display:block;color:var(--muted);font-size:10px;margin-top:6px}.upload-preview small{display:block;color:var(--muted);font-size:10px;margin-top:7px}.builder-actions #previewBtn{background:#eef4ff;color:#2563eb;border:1px solid #cfe0ff}.builder-actions #previewBtn:hover{background:#e4efff}

/* v1.3 cache marker */
.builder-actions #previewBtn{cursor:pointer}.settings-panel input{width:100%;min-width:0}.upload-preview{white-space:normal}.name-preview-grid{grid-template-columns:minmax(0,1fr) minmax(0,1fr)}

/* v1.4 page management */
.canvas-toolbar{gap:10px}.page-tools{display:flex;gap:6px;align-items:center}.danger-page{color:#b63131!important;background:#fdeeee!important}.danger-page:disabled{opacity:.45;cursor:not-allowed}
@media(max-width:760px){.page-tools #renamePage,.page-tools #deletePage{display:none}}

/* v1.5 submissions inbox + masked number builder */
.submission-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;margin-bottom:18px}.submission-stats>div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:18px 20px;box-shadow:var(--shadow)}.submission-stats span{display:block;color:var(--muted);font-size:12px;font-weight:750}.submission-stats strong{display:block;font-size:28px;margin-top:5px}.submission-filters{background:#fff;border:1px solid var(--line);padding:12px;border-radius:14px;box-shadow:var(--shadow)}.submission-search{display:flex;gap:8px;flex:1}.submission-search input{flex:1}.response-list{display:grid;gap:11px}.response-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 5px 20px rgba(17,24,39,.045);overflow:hidden;transition:.15s}.response-card:hover{border-color:#d6d9e3;box-shadow:0 10px 28px rgba(17,24,39,.075);transform:translateY(-1px)}.response-main{display:grid;grid-template-columns:52px 1fr 28px;gap:15px;padding:18px 104px 18px 18px;align-items:start}.response-icon{width:52px;height:52px;border-radius:14px;background:#f0efff;color:var(--primary);display:grid;place-items:center;font-size:12px;font-weight:850}.response-title{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.response-title h3{margin:0;font-size:16px}.response-preview{display:flex;gap:24px;flex-wrap:wrap;margin-top:11px}.response-preview span{min-width:120px}.response-preview small{display:block;color:var(--muted);font-size:10px;text-transform:uppercase;letter-spacing:.04em;font-weight:750;margin-bottom:3px}.response-preview b{font-size:13px;font-weight:650;display:block;max-width:260px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.response-meta{display:flex;gap:14px;flex-wrap:wrap;color:var(--muted);font-size:11px;margin-top:12px}.response-arrow{font-size:30px;color:#a9aeba;align-self:center}.response-delete{position:absolute;right:15px;top:17px;border:0;background:#fff0f0;color:#b73333;border-radius:9px;padding:8px 11px;font-size:12px;font-weight:750}.response-delete:hover{background:#fde4e4}.compact-empty{padding:48px}.submission-head-actions{display:flex;align-items:center;gap:9px}.danger-btn{background:#fff0f0;color:#b73333}.masked-preview{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;letter-spacing:.08em}
@media(max-width:800px){.submission-stats{grid-template-columns:1fr 1fr 1fr}.submission-filters{display:grid;grid-template-columns:1fr 1fr}.submission-search{grid-column:1/-1}.response-main{grid-template-columns:42px 1fr;padding:15px 15px 52px}.response-icon{width:42px;height:42px;border-radius:12px}.response-arrow{display:none}.response-delete{top:auto;bottom:12px;right:12px}.response-preview{gap:12px}.response-preview span{min-width:45%}}
@media(max-width:520px){.submission-stats{gap:8px}.submission-stats>div{padding:13px}.submission-stats strong{font-size:22px}.submission-stats span{font-size:10px}.submission-filters{grid-template-columns:1fr}.submission-search{grid-column:auto}.response-preview{display:grid;grid-template-columns:1fr 1fr}.response-preview span{min-width:0}.response-meta{display:grid;gap:3px}.submission-head-actions{align-items:flex-end;flex-direction:column}}


/* v1.7 builder polish */
.field-palette{padding:20px 16px}.palette-group{background:#fafbfe;border:1px solid #eceef4;border-radius:14px;padding:10px;gap:7px;margin-top:14px}.palette-group>span{padding:3px 4px 5px;color:#6f7686}.palette-group button{min-height:62px;border-color:#e3e6ee;box-shadow:0 1px 0 rgba(17,24,39,.02)}.palette-group button:hover{transform:translateY(-1px);box-shadow:0 8px 18px rgba(72,65,180,.08)}.masked-preview{display:flex;align-items:center;justify-content:space-between}.mini-eye{font-size:13px;color:#6e76a4;font-weight:500}.settings-panel select{width:100%;border:1px solid #dfe2ea;border-radius:10px;padding:11px 12px;background:#fff;outline:none}.settings-panel select:focus{border-color:#9d98ff;box-shadow:0 0 0 3px #eeedff}

/* v1.8 upload builder controls */
.upload-settings-group{display:grid;gap:6px;padding:11px;border:1px solid var(--line);border-radius:12px;background:#fafbfc}.upload-settings-group>strong{font-size:12px;margin-bottom:2px}.upload-settings-group .toggle-row{margin:0;padding:6px 0;border:0;background:transparent}
.uploaded-answer-list{display:grid;gap:6px}.uploaded-answer-list a{display:block}