*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Figtree',system-ui,sans-serif;background:#f8f9fb;color:#0f172a;display:flex;flex-direction:column;height:100vh;overflow:hidden}
#upload-screen{position:fixed;inset:0;z-index:1000;background:#f8f9fb;display:flex;flex-direction:column;align-items:center;justify-content:center;padding-bottom:14%;overflow:hidden}
#upload-screen::before{content:'';position:absolute;top:-40%;right:-20%;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(5,150,105,.06) 0%,transparent 70%);pointer-events:none}
#upload-screen::after{content:'';position:absolute;bottom:-30%;left:-15%;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle,rgba(16,185,129,.04) 0%,transparent 70%);pointer-events:none}
#upload-screen.gone{display:none}
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.us-logo-wrap{display:flex;flex-direction:column;align-items:center;gap:6px;margin-bottom:0;animation:fadeUp .6s ease-out both}
.us-logo-wrap img{height:200px;object-fit:contain}
.us-title{font-family:'Figtree',sans-serif;font-size:38px;font-weight:800;color:#0f172a;letter-spacing:-0.03em;margin-top:-4px;animation:fadeUp .6s ease-out .15s both}
.us-title span{color:#059669}
.us-card{background:#fff;border:1px solid #e2e8f0;border-radius:20px;padding:36px 32px;text-align:center;cursor:pointer;transition:all .35s cubic-bezier(.4,0,.2,1);position:relative;box-shadow:0 4px 24px rgba(0,0,0,.03),0 1px 2px rgba(0,0,0,.04)}
.us-card:hover{border-color:#059669;box-shadow:0 8px 40px rgba(5,150,105,.1),0 2px 8px rgba(0,0,0,.04);transform:translateY(-2px)}
.us-card input{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;z-index:10}
.us-card-icon{width:56px;height:56px;border-radius:14px;background:linear-gradient(135deg,#f0fdf4,#d1fae5);display:flex;align-items:center;justify-content:center;margin:0 auto 20px;animation:float 3s ease-in-out infinite}
.us-card-icon svg{width:26px;height:26px;color:#059669}
.us-card h3{font-family:'Figtree',sans-serif;font-size:17px;font-weight:700;color:#0f172a;margin-bottom:8px;letter-spacing:-0.01em}
.us-card p{font-size:13px;color:#64748b;line-height:1.7}.us-card p strong{color:#059669;font-weight:600}
.us-footer{position:absolute;bottom:24px;font-size:11px;color:#cbd5e1;letter-spacing:.02em;animation:fadeUp .6s ease-out .5s both}

/* Sidebar shell — pale grey so section cards pop. Width adapts to viewport. */
#sidebar{width:clamp(300px,26vw,400px);min-width:260px;max-width:800px;background:#f5f7fa;border-left:1px solid #e2e8f0;box-shadow:-4px 0 16px rgba(0,0,0,.02);display:flex;flex-direction:column;overflow-y:auto;overflow-x:visible;position:relative}
#sidebar-top{padding:18px 20px 14px;background:#ffffff;border-bottom:1px solid #eef2f6;flex-shrink:0}

/* Page filter (label + iOS switch) */
#page-filter-bar{display:flex;align-items:center;justify-content:space-between;padding:14px 16px 10px;flex-shrink:0}
#page-filter-bar label{font-size:13px;color:#475569;font-weight:500}
#page-filter-toggle{appearance:none;width:44px;height:26px;background:#cbd5e1;border-radius:13px;position:relative;cursor:pointer;transition:background .2s;border:none;outline:none;flex-shrink:0}
#page-filter-toggle:checked{background:#10b981}
#page-filter-toggle::after{content:'';position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 2px 4px rgba(0,0,0,.18)}
#page-filter-toggle:checked::after{transform:translateX(18px)}

/* Undo / Redo small icon buttons in the header strip */
#undo-redo{display:flex;gap:6px}
#undo-redo button{background:#f8f9fb;border:1.5px solid #e2e8f0;border-radius:10px;color:#64748b;font-size:14px;padding:8px 11px;cursor:pointer;font-family:inherit;font-weight:600;line-height:1}
#undo-redo button:hover:not(:disabled){color:#059669;border-color:#a7f3d0}
#undo-redo button:disabled{opacity:0.3;cursor:default;color:#cbd5e1}

/* Info card — slim, soft blue */
.info-card{margin:4px 16px 14px;padding:10px 14px;background:#f0f7ff;color:#1e40af;border:1px solid #dbeafe;border-radius:12px;font-size:11.5px;display:flex;align-items:center;gap:10px;line-height:1.45}
.info-card .info-icon{display:inline-flex;align-items:center;justify-content:center;width:20px;height:20px;border-radius:50%;background:#3b82f6;color:#fff;font-style:italic;font-weight:700;font-size:12px;flex-shrink:0;font-family:'Figtree',serif}
.preview-mark-inline{color:#d97706;font-weight:700;font-size:13px;letter-spacing:0}

/* Vars panel + section cards */
#vars-panel{flex:1;overflow-y:auto;padding:4px 0 8px}
#vars-panel::-webkit-scrollbar{width:4px}#vars-panel::-webkit-scrollbar-track{background:transparent}#vars-panel::-webkit-scrollbar-thumb{background:#d1d5db;border-radius:2px}
.section-card{margin:0 16px 12px;background:#ffffff;border:1px solid #e2e8f0;border-radius:16px;overflow:hidden}
.section-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px 10px;cursor:pointer;user-select:none}
.section-header:hover .section-label{color:#059669}
.section-label{font-size:15px;font-weight:700;letter-spacing:-0.01em;color:#0f172a;transition:color .15s}
.section-count{font-size:11px;color:#059669;background:#dcfce7;padding:3px 10px;border-radius:99px;margin-left:10px;font-weight:700}
.section-chevron{font-size:13px;color:#94a3b8;transition:transform .2s}
.section-header.collapsed .section-chevron{transform:rotate(-90deg)}
.section-body{overflow:hidden;transition:max-height .25s ease;padding-bottom:8px}
.section-body.collapsed{max-height:0!important;padding-bottom:0}

/* ✱ subtle inline asterisk — no chip background */
.preview-mark{color:#d97706;font-weight:700;font-size:13px;cursor:help;margin-left:4px;line-height:1}

/* Var row using CSS grid so alpha-track can span both cols on a 2nd line */
.var-row{display:grid;grid-template-columns:1fr auto;align-items:center;gap:10px 12px;padding:12px 20px;transition:background .15s}
.var-row:hover{background:#fafbfd}
.var-row.hidden{display:none}
.var-row--color{padding-top:14px;padding-bottom:14px}
.var-row--color>.alpha-track{grid-column:1 / -1;margin-top:4px}
.var-label{display:flex;align-items:center;gap:4px;font-size:13px;color:#0f172a;font-weight:500;cursor:pointer;line-height:1.3;flex-wrap:wrap;min-width:0}
.var-label .var-key{display:none;font-size:10px;color:#94a3b8;padding:3px 8px;background:#f1f5f9;border-radius:6px;font-family:monospace;overflow:hidden;text-overflow:ellipsis;width:100%;margin-top:4px}
.var-label.expanded .var-key{display:block}

/* Color swatch — bigger, rounder */
.color-wrap{position:relative;width:32px;height:32px;border-radius:10px;border:2px solid #e2e8f0;flex-shrink:0;overflow:hidden;cursor:pointer}
.color-wrap .bg{position:absolute;inset:0}
.color-wrap input[type="color"]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%;border:none;padding:0}
.color-val{font-size:12px;font-family:'SF Mono',SFMono-Regular,Menlo,monospace;color:#475569;font-weight:500;text-align:right;flex-shrink:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* Camera / image button matches swatch sizing */
.image-btn{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;border:1.5px solid #e2e8f0;background:#f8fafb;color:#475569;font-size:14px;font-family:inherit;cursor:pointer;flex-shrink:0;position:relative;transition:all .15s}
.image-btn:hover{border-color:#059669;background:#f0fdf4;color:#059669}

/* Alpha track — full-width slider on its own row */
.alpha-track{position:relative;width:100%;height:14px;display:flex;align-items:center;--track-color:#10b981}
.alpha-track::before{content:'';position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);height:6px;border-radius:99px;background:linear-gradient(to right,rgba(255,255,255,0) 0%,var(--track-color) 100%),repeating-conic-gradient(#e2e8f0 0% 25%,#fff 0% 50%) 0 0/8px 8px;border:1px solid #e2e8f0}
.alpha-track input[type="range"]{position:relative;width:100%;height:14px;background:transparent;appearance:none;-webkit-appearance:none;cursor:pointer;outline:none;margin:0}
.alpha-track input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid #10b981;box-shadow:0 1px 3px rgba(0,0,0,.15);cursor:pointer}
.alpha-track input[type="range"]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid #10b981;box-shadow:0 1px 3px rgba(0,0,0,.15);cursor:pointer}
.alpha-track input[type="range"]::-webkit-slider-runnable-track{background:transparent;height:14px}

/* Zoom track — same slider mechanic as alpha, but plain green track (no checkerboard / gradient) */
.zoom-track{position:relative;width:100%;height:14px;display:flex;align-items:center}
.zoom-track::before{content:'';position:absolute;left:0;right:0;top:50%;transform:translateY(-50%);height:6px;border-radius:99px;background:#dcfce7;border:1px solid #a7f3d0}
.zoom-track input[type="range"]{position:relative;width:100%;height:14px;background:transparent;appearance:none;-webkit-appearance:none;cursor:pointer;outline:none;margin:0}
.zoom-track input[type="range"]::-webkit-slider-thumb{-webkit-appearance:none;width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid #10b981;box-shadow:0 1px 3px rgba(0,0,0,.15);cursor:pointer}
.zoom-track input[type="range"]::-moz-range-thumb{width:14px;height:14px;border-radius:50%;background:#fff;border:2px solid #10b981;box-shadow:0 1px 3px rgba(0,0,0,.15);cursor:pointer}

/* iOS-style switch for Drop shadow / Show "?" icon / Logo on-off */
.ios-switch{appearance:none;width:44px;height:26px;background:#cbd5e1;border:none;border-radius:999px;position:relative;cursor:pointer;transition:background .2s;flex-shrink:0;padding:0;outline:none}
.ios-switch .thumb{position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .2s;box-shadow:0 2px 4px rgba(0,0,0,.18)}
.ios-switch.is-on{background:#10b981}
.ios-switch.is-on .thumb{transform:translateX(18px)}

/* Font dropdown */
.font-select{background:#f8fafb;border:1.5px solid #e2e8f0;border-radius:10px;color:#0f172a;font-size:13px;padding:9px 14px;width:150px;flex-shrink:0;outline:none;cursor:pointer;font-family:inherit}
.font-select:focus{border-color:#059669;box-shadow:0 0 0 2px #a7f3d0}

/* Plain text input (rarely used now) */
.var-text-input{background:#f8fafb;border:1.5px solid #e2e8f0;border-radius:10px;color:#0f172a;font-size:12px;font-family:'SF Mono',monospace;padding:8px 12px;width:120px;flex-shrink:0;outline:none}
.var-text-input:focus{border-color:#059669;color:#0f172a;box-shadow:0 0 0 3px rgba(5,150,105,.1)}

.var-controls{display:flex;align-items:center;gap:8px;flex-wrap:nowrap;justify-content:flex-end;flex-shrink:0}
.var-label-name{display:inline}

.highlight-indicator{display:none}

.var-label{cursor:pointer}
.var-label::after{content:'';display:inline-block;width:0;height:0;border-left:3px solid transparent;border-right:3px solid transparent;border-top:4px solid #d1d5db;margin-left:5px;vertical-align:middle;transition:transform .2s;opacity:.4}
.var-label.expanded::after{transform:rotate(180deg);opacity:1}

/* Raw CSS panel (advanced editor — unchanged) */
#raw-panel{flex:1;display:none;flex-direction:column;overflow:hidden;padding:10px 20px}
#raw-panel.visible{display:flex}
#raw-textarea{flex:1;background:#f8fafb;border:1.5px solid #e2e8f0;border-radius:12px;color:#334155;font-family:'Fira Code','Cascadia Code',monospace;font-size:10px;line-height:1.6;padding:10px 12px;outline:none;resize:none;overflow-y:auto}
#raw-textarea:focus{border-color:#059669;box-shadow:0 0 0 2px #a7f3d0}
#raw-apply{margin-top:10px;padding:10px;background:#f0fdf4;border:1.5px solid #a7f3d0;color:#059669;font-size:12px;font-weight:600;border-radius:10px;cursor:pointer;font-family:inherit}
#raw-apply:hover{background:#a7f3d0;color:#0f172a}

/* Reset + Download CSS footer */
#sidebar-actions{padding:14px 16px 18px;background:#ffffff;border-top:1px solid #eef2f6;display:flex;gap:10px;flex-shrink:0}
.action-btn{flex:1;padding:14px 8px;border-radius:12px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;cursor:pointer;font-family:inherit;border:1.5px solid #d1d5db;background:#ffffff;color:#334155;transition:all .15s}
.action-btn:hover{background:#f8f9fb;color:#0f172a;border-color:#94a3b8}
.action-btn.primary{flex:1.5;background:#059669;border-color:#059669;color:#ffffff;display:inline-flex;align-items:center;justify-content:center;gap:7px;box-shadow:0 2px 8px rgba(5,150,105,.25)}
.action-btn.primary:hover{background:#10b981;border-color:#10b981;color:#ffffff}

/* Toolbar — height stays fixed but inner sizing scales with viewport */
#toolbar{height:80px;background:#ffffff;border-bottom:1px solid #e2e8f0;display:flex;align-items:center;padding:0 clamp(10px,1.2vw,20px);gap:clamp(2px,0.2vw,4px);overflow-x:auto;flex-shrink:0}
#toolbar::-webkit-scrollbar{height:0}
.tab-btn{background:none;border:none;color:#94a3b8;font-size:clamp(9px,0.7vw,12px);font-family:'Figtree',sans-serif;cursor:pointer;padding:clamp(4px,0.4vw,6px) clamp(6px,0.7vw,10px);border-radius:8px;letter-spacing:.04em;text-transform:uppercase;font-weight:600;white-space:nowrap;flex-shrink:0;transition:all .2s}
.tab-btn.active{background:#f0fdf4;color:#059669;box-shadow:0 1px 3px rgba(5,150,105,.08)}
.tab-btn:hover:not(.active){color:#334155}
#toolbar-replace-css:hover{border-color:#059669;color:#fff;background:#059669}
#main-content{flex:1;display:flex;overflow:hidden}
#iframe-container{flex:1;overflow:hidden;position:relative}
#portal-frame{position:absolute;top:0;left:0;width:100%;height:100%;border:none;transition:opacity .15s ease}
.preview-nav-btn{position:absolute;top:50%;transform:translateY(-50%);width:48px;height:48px;border-radius:50%;background:#ffffff;border:1.5px solid #e2e8f0;color:#475569;font-size:24px;font-weight:600;cursor:pointer;display:none;align-items:center;justify-content:center;box-shadow:0 4px 12px rgba(0,0,0,.08);transition:all .2s ease;z-index:50;font-family:'Figtree',sans-serif;line-height:1;padding:0;padding-bottom:3px}
.preview-nav-btn:hover:not(:disabled){background:#059669;color:#fff;border-color:#059669;transform:translateY(-50%) scale(1.05)}
.preview-nav-btn:disabled{opacity:0;pointer-events:none}
#preview-nav-prev{left:24px}
#preview-nav-next{right:24px}
body.editor-hidden .preview-nav-btn{display:flex}

/* Sidebar resize handle */
#sidebar-resize{position:absolute;left:-8px;top:50%;transform:translateY(-50%);width:16px;height:60px;cursor:col-resize;z-index:100;display:flex;align-items:center;justify-content:center;border-radius:8px}
#sidebar-resize::after{content:'';width:4px;height:36px;border-radius:3px;background:#cbd5e1;transition:all .2s}
#sidebar-resize:hover{background:rgba(5,150,105,.06)}
#sidebar-resize:hover::after,#sidebar-resize.dragging::after{background:#059669;height:44px}


/* Prev / Next nav buttons in the sidebar footer (next to Download CSS) */
.nav-footer-btn{width:44px;height:46px;border-radius:12px;border:1.5px solid #d1d5db;background:#ffffff;color:#475569;font-size:22px;font-weight:700;line-height:1;cursor:pointer;font-family:inherit;display:flex;align-items:center;justify-content:center;padding-bottom:3px;transition:all .15s;flex-shrink:0}
.nav-footer-btn:hover:not(:disabled){background:#f0fdf4;border-color:#059669;color:#059669}
.nav-footer-btn:active:not(:disabled){transform:scale(0.96)}
.nav-footer-btn:disabled{opacity:0.3;cursor:default;color:#cbd5e1}

/* ── Narrow-screen tweaks: hide decorative label, shrink right-side buttons ── */
@media (max-width: 1300px) {
  .toolbar-section-label, .toolbar-divider { display: none !important; }
  #toolbar-toggle-editor, #toolbar-replace-css {
    padding: 8px 12px !important;
    font-size: 12px !important;
    margin-right: 6px !important;
  }
  #toolbar { padding: 0 12px !important; }
}
@media (max-width: 1100px) {
  #toolbar-toggle-editor { display: none !important; }
}