*{margin:0;padding:0;box-sizing:border-box}
:root{--bg:#0b0f1a;--surface:#141928;--surface2:#1c2237;--border:#262d45;--accent:#6366f1;--accent2:#818cf8;--accent-glow:rgba(99,102,241,.15);--orange:#f59e0b;--orange2:#fbbf24;--green:#22c55e;--red:#ef4444;--text:#e2e8f0;--text2:#94a3b8;--text3:#64748b;--radius:12px}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden}

/* Top bar */
.top-bar{position:fixed;top:0;left:0;right:0;z-index:100}
.top-bar-spacer{height:90px}
.header{padding:14px 20px;background:var(--surface);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--border);backdrop-filter:blur(12px)}
.header.hidden{display:none}
body.compact-header .top-bar-spacer{height:36px}
.header h1{font-size:17px;font-weight:700;color:#fff;letter-spacing:-.3px}
.header h1 span{background:linear-gradient(135deg,var(--accent),var(--orange));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* Buttons */
.btn{padding:9px 18px;border:none;border-radius:8px;font-size:13px;font-weight:600;cursor:pointer;transition:all .2s;touch-action:manipulation;letter-spacing:.2px}
.btn:active{transform:scale(0.96)}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 2px 12px rgba(99,102,241,.3)}
.btn-primary:hover{background:var(--accent2);box-shadow:0 4px 20px rgba(99,102,241,.4)}
.btn-success{background:var(--green);color:#fff;box-shadow:0 2px 12px rgba(34,197,94,.3)}
.btn-success:hover{background:#16a34a}
.btn-danger{background:var(--red);color:#fff}
.btn-danger:hover{background:#dc2626}
.btn-secondary{background:var(--surface2);color:var(--text2);border:1px solid var(--border)}
.btn-secondary:hover{background:var(--border);color:#fff}
.btn:disabled{opacity:.35;cursor:not-allowed;box-shadow:none}

/* Step indicators */
.steps{display:flex;justify-content:center;gap:4px;padding:10px 16px;background:var(--surface);border-bottom:1px solid var(--border);transition:padding .3s}
.step{padding:6px 16px;border-radius:20px;font-size:12px;font-weight:500;color:var(--text3);transition:all .25s;letter-spacing:.3px}
.step.active{background:var(--accent);color:#fff;box-shadow:0 2px 12px rgba(99,102,241,.35)}
body.compact-header .steps{padding:5px 12px}
body.compact-header .step{padding:3px 10px;font-size:11px}
.step.done{color:var(--green)}

/* Import view */
.view{display:none;padding:20px 16px 80px;max-width:820px;margin:0 auto}
.view.active{display:block}
.import-zone{border:2px dashed var(--border);border-radius:var(--radius);padding:14px 16px;text-align:center;cursor:pointer;transition:all .25s;background:var(--surface);display:flex;align-items:center;gap:12px}
.import-zone:hover,.import-zone.dragover{border-color:var(--accent);background:var(--accent-glow)}
.import-zone svg{opacity:.5;transition:opacity .2s;flex-shrink:0}
.import-zone:hover svg{opacity:.8}
.import-zone-text{text-align:left;flex:1;min-width:0}
.import-zone-text p{margin:2px 0;color:var(--text2);font-size:13px}
.import-zone-text p:last-of-type{font-size:11px;color:var(--text3)}
.import-actions{flex-shrink:0}

/* Thumbnail grid */
.thumbs{display:grid;grid-template-columns:repeat(auto-fill,minmax(96px,1fr));gap:10px;margin-top:20px}
.thumb,.reorder-thumb{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none}
.thumb img,.reorder-thumb img{-webkit-touch-callout:none;-webkit-user-select:none;user-select:none;pointer-events:none}
.thumb{position:relative;aspect-ratio:1;border-radius:10px;overflow:hidden;border:2px solid transparent;cursor:grab;background:var(--surface2);transition:all .2s;box-shadow:0 2px 8px rgba(0,0,0,.3)}
.thumb:hover{border-color:var(--border);transform:translateY(-2px);box-shadow:0 6px 20px rgba(0,0,0,.4)}
.thumb img{width:100%;height:100%;object-fit:cover}
.thumb .badge{position:absolute;top:6px;left:6px;background:var(--accent);color:#fff;font-size:10px;font-weight:700;padding:2px 7px;border-radius:6px;box-shadow:0 1px 4px rgba(0,0,0,.4)}
.thumb .remove{position:absolute;top:6px;right:6px;background:rgba(239,68,68,.9);color:#fff;border:none;width:22px;height:22px;border-radius:6px;cursor:pointer;font-size:13px;line-height:22px;text-align:center;opacity:0;transition:opacity .15s}
.thumb:hover .remove,.thumb:hover .zoom{opacity:1}
.thumb .zoom{position:absolute;bottom:6px;right:6px;background:rgba(99,102,241,.9);color:#fff;border:none;width:24px;height:24px;border-radius:6px;cursor:pointer;font-size:14px;line-height:24px;text-align:center;opacity:0;transition:opacity .15s}
.thumb.selected{border-color:var(--accent)}
.thumb.dragging{opacity:.35;transform:scale(0.92)}
.thumb.drag-over{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}

/* PDF import zone */
.import-divider{text-align:center;color:var(--text3);font-size:11px;font-weight:500;margin:10px 0;position:relative;text-transform:uppercase;letter-spacing:1px}
.import-divider::before,.import-divider::after{content:'';position:absolute;top:50%;width:35%;height:1px;background:var(--border)}
.import-divider::before{left:0}
.import-divider::after{right:0}
.import-zone-pdf{border:2px dashed var(--border);border-radius:var(--radius);padding:14px 16px;text-align:center;cursor:pointer;transition:all .25s;background:var(--surface);display:flex;align-items:center;gap:12px}
.import-zone-pdf:hover,.import-zone-pdf.dragover{border-color:var(--orange);background:rgba(245,158,11,.08)}
.import-zone-pdf .import-zone-text p{margin:2px 0;color:var(--text2);font-size:13px}
.import-zone-pdf .import-zone-text p:last-of-type{font-size:11px;color:var(--text3)}
.pdf-loading{color:var(--orange);font-size:13px;margin-top:10px;font-weight:500}
.pdf-loading .spinner{display:inline-block;width:14px;height:14px;border:2px solid var(--orange);border-top-color:transparent;border-radius:50%;animation:spin .6s linear infinite;vertical-align:middle;margin-right:6px}
@keyframes spin{to{transform:rotate(360deg)}}

/* Bottom bar */
.bottom-bar{position:fixed;bottom:0;left:0;right:0;padding:14px 20px;background:var(--surface);border-top:1px solid var(--border);display:flex;gap:10px;justify-content:center;z-index:100;backdrop-filter:blur(12px)}

/* Editor view */
.editor-wrap{position:relative;width:100%}
.canvas-wrap{position:relative;width:100%;display:flex;justify-content:center;align-items:center;background:var(--surface);border-radius:var(--radius);overflow:hidden;touch-action:none;min-height:300px;border:1px solid var(--border);box-shadow:inset 0 2px 20px rgba(0,0,0,.3)}
.canvas-wrap canvas{max-width:100%;max-height:85vh;touch-action:none}
/* Nav arrows on sides of canvas */
.editor-nav-left,.editor-nav-right{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:36px;height:64px;border:none;border-radius:8px;background:rgba(0,0,0,.4);color:#fff;font-size:20px;cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);transition:background .2s;touch-action:manipulation}
.editor-nav-left{left:4px}
.editor-nav-right{right:4px}
.editor-nav-left:hover,.editor-nav-right:hover{background:rgba(0,0,0,.6)}
.editor-nav-left:disabled,.editor-nav-right:disabled{opacity:.2;cursor:default}
/* Filter bar */
.filter-bar{display:flex;gap:8px;margin-top:14px;overflow-x:auto;padding:4px 0;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--border) transparent}
.filter-bar::-webkit-scrollbar{height:4px}
.filter-bar::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
.filter-item{flex:0 0 auto;text-align:center;cursor:pointer;transition:all .2s}
.filter-item canvas{width:56px;height:56px;border-radius:6px;border:2px solid var(--border);object-fit:cover;display:block;transition:border-color .2s}
.filter-item.active canvas{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}
.filter-item:hover canvas{border-color:var(--text3)}
.filter-item span{display:block;font-size:10px;color:var(--text3);margin-top:3px;font-weight:500;white-space:nowrap}
.filter-item.active span{color:var(--accent2)}

.crop-tools{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap;justify-content:center;align-items:center}
.crop-tools label{font-size:12px;color:var(--text3);font-weight:500;text-transform:uppercase;letter-spacing:.5px}
.crop-tools select,.crop-tools input{background:var(--surface2);color:var(--text);border:1px solid var(--border);border-radius:6px;padding:6px 10px;font-size:13px;outline:none;transition:border-color .2s}
.crop-tools select:focus,.crop-tools input:focus{border-color:var(--accent)}

/* Preview view */
.preview-list{display:flex;flex-direction:column;gap:14px;padding-bottom:80px}
.preview-page{background:var(--surface);border-radius:var(--radius);overflow:hidden;transition:all .2s;user-select:none;border:1px solid var(--border);box-shadow:0 2px 12px rgba(0,0,0,.2)}
.preview-page:hover{border-color:var(--border);box-shadow:0 4px 20px rgba(0,0,0,.3)}
.preview-page img,.preview-page canvas{width:100%;display:block;border-radius:var(--radius) var(--radius) 0 0}
.preview-page .page-label{background:var(--surface2);color:var(--text2);font-size:12px;padding:8px 12px;display:flex;align-items:center;justify-content:space-between;font-weight:500}
.preview-page .page-nav-hint{color:var(--text3);font-size:11px;font-style:italic}

/* Touch drag ghost */
.drag-ghost{position:fixed;z-index:999;pointer-events:none;border-radius:8px;overflow:hidden;box-shadow:0 8px 32px rgba(0,0,0,.6),0 0 0 2px var(--accent);opacity:.88;transition:transform .05s}

/* Reorder strip (export step) */
.reorder-strip{display:flex;gap:8px;overflow-x:auto;padding:12px 0;margin-bottom:14px;-webkit-overflow-scrolling:touch;scrollbar-width:thin;scrollbar-color:var(--border) transparent}
.reorder-strip::-webkit-scrollbar{height:4px}
.reorder-strip::-webkit-scrollbar-thumb{background:var(--border);border-radius:2px}
.reorder-thumb{position:relative;flex:0 0 72px;width:72px;height:72px;border-radius:8px;overflow:hidden;border:2px solid var(--border);cursor:grab;background:var(--surface2);transition:all .2s}
.reorder-thumb:hover{border-color:var(--accent)}
.reorder-thumb img{width:100%;height:100%;object-fit:cover}
.reorder-thumb .r-badge{position:absolute;top:3px;left:3px;background:var(--accent);color:#fff;font-size:9px;font-weight:700;padding:1px 5px;border-radius:4px}
.reorder-thumb .r-remove{position:absolute;top:3px;right:3px;background:var(--red);color:#fff;border:none;width:18px;height:18px;border-radius:4px;cursor:pointer;font-size:11px;line-height:18px;text-align:center;opacity:0;transition:opacity .15s}
.reorder-thumb:hover .r-remove{opacity:1}
.reorder-thumb.dragging{opacity:.35;transform:scale(0.9)}
.reorder-thumb.drag-over{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.reorder-thumb.active{border-color:var(--accent);box-shadow:0 0 0 2px var(--accent-glow)}

/* Zoom preview modal */
.zoom-overlay{display:none;position:fixed;inset:0;background:rgba(0,0,0,.92);z-index:250;justify-content:center;align-items:center;flex-direction:column;backdrop-filter:blur(8px);cursor:zoom-out}
.zoom-overlay.active{display:flex}
.zoom-overlay img{max-width:95vw;max-height:85vh;border-radius:var(--radius);box-shadow:0 8px 40px rgba(0,0,0,.5);object-fit:contain}
.zoom-info{color:var(--text3);font-size:12px;margin-top:10px;font-weight:500}

/* About page */
.about-overlay{display:none;position:fixed;inset:0;background:rgba(11,15,26,.95);z-index:300;overflow-y:auto;backdrop-filter:blur(12px)}
.about-overlay.active{display:block}
.about-content{max-width:640px;margin:0 auto;padding:24px 20px 80px}
.about-content h2{font-size:24px;font-weight:700;color:#fff;margin-bottom:20px;letter-spacing:-.3px}
.about-content h3{font-size:15px;font-weight:600;color:var(--text);margin:24px 0 10px;text-transform:uppercase;letter-spacing:.5px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.about-content p{font-size:14px;line-height:1.75;color:var(--text2);margin-bottom:12px}
.about-content ul{margin:0 0 16px 20px;color:var(--text2);font-size:14px;line-height:2}
.about-content li{position:relative}
.about-content a{color:var(--accent2);text-decoration:none;transition:color .2s}
.about-content a:hover{color:#fff;text-decoration:underline}
.about-close{position:sticky;top:0;text-align:right;padding:12px 0;z-index:1}
.coffee-btn{display:inline-block;padding:12px 28px;background:linear-gradient(135deg,#ffdd00,#f59e0b);color:#000;font-weight:700;font-size:15px;border-radius:10px;text-decoration:none;transition:all .2s;box-shadow:0 4px 20px rgba(245,158,11,.3)}
.coffee-btn:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(245,158,11,.45);text-decoration:none}
.shield{display:inline-flex;align-items:center;gap:6px;background:rgba(34,197,94,.12);color:var(--green);padding:6px 12px;border-radius:8px;font-size:13px;font-weight:600;margin:4px 2px;border:1px solid rgba(34,197,94,.2)}
.header-link{color:var(--text2);font-size:13px;cursor:pointer;padding:6px 10px;border-radius:6px;transition:all .2s;font-weight:500}
.header-link:hover{color:#fff;background:var(--surface2)}
.lang-switcher{display:flex;gap:3px}
.lang-btn{background:none;border:1px solid var(--border);color:var(--text3);font-size:11px;font-weight:600;padding:3px 8px;border-radius:5px;cursor:pointer;transition:all .2s}
.lang-btn:hover{border-color:var(--text3)}
.lang-btn.active{background:var(--accent);color:#fff;border-color:var(--accent);box-shadow:0 1px 6px rgba(99,102,241,.3)}
.step-guide{font-size:12px;color:var(--text3);padding:8px 12px;text-align:center;max-width:800px;margin:0 auto;line-height:1.5;background:var(--surface);border-radius:8px;margin-bottom:10px;border:1px solid var(--border)}
body.guides-hidden .step-guide{display:none}
.header-icon{width:28px;height:28px;border-radius:6px;border:1px solid var(--border);background:none;color:var(--text3);font-size:13px;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}
.header-icon:hover{color:#fff;border-color:var(--text3)}
.header-icon.active{background:var(--accent);color:#fff;border-color:var(--accent)}
/* Editor overlay buttons */
.editor-btn{position:absolute;z-index:5;width:36px;height:36px;border:none;border-radius:8px;background:rgba(0,0,0,.4);color:#fff;font-size:15px;cursor:pointer;display:flex;align-items:center;justify-content:center;backdrop-filter:blur(4px);transition:background .2s;touch-action:manipulation}
.editor-btn:hover{background:rgba(0,0,0,.6)}
.editor-rotate{top:8px;right:8px}
.editor-auto,.editor-reset{width:auto;padding:0 10px;font-size:11px;font-weight:600;letter-spacing:.3px}
.editor-auto{top:8px;left:8px}
.editor-reset{top:48px;left:8px}