*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --blue:#1a56db;--blue-light:#3b82f6;--blue-dark:#1e3a8a;
  --red:#e63946;--orange:#f97316;--green:#059669;--purple:#7c3aed;
  --word:#2b5797;--excel:#1D6F42;--teal:#2a9d8f;
  --navy:#0f172a;--slate:#1e293b;--muted:#64748b;
  --border:#e2e8f0;--bg:#f8fafc;--white:#fff;
  --cream:#fef9f0;--light:#f5f0e8;--radius:14px;
}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--navy);overflow-x:hidden;display:flex;flex-direction:column;min-height:100vh}

/* ── NAV ── */
nav{position:sticky;top:0;z-index:300;display:flex;align-items:center;justify-content:space-between;padding:0 24px;height:64px;background:rgba(255,255,255,0.97);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none}
.nav-logo img{height:38px;width:auto}
.nav-logo-text{line-height:1.15}
.nav-logo-name{font-family:'Syne',sans-serif;font-weight:800;font-size:.97rem;color:var(--blue-dark)}
.nav-logo-name span{color:var(--blue)}
.nav-logo-tagline{font-size:.6rem;color:var(--muted);font-weight:500}
.nav-right{display:flex;align-items:center;gap:8px}
.nav-back{padding:7px 14px;border-radius:9px;font-size:.8rem;font-weight:600;color:var(--muted);text-decoration:none;transition:all .15s;border:1.5px solid var(--border)}
.nav-back:hover{color:var(--navy);border-color:var(--navy)}
.nav-badge{padding:5px 12px;border-radius:100px;background:rgba(5,150,105,0.1);color:var(--green);font-size:.73rem;font-weight:700;border:1px solid rgba(5,150,105,0.2)}

/* ── LAYOUT ── */
.app-layout{display:flex;flex:1;min-height:0}

/* ── SIDEBAR ── */
.sidebar{width:230px;flex-shrink:0;background:var(--white);border-right:1px solid var(--border);overflow-y:auto;position:sticky;top:64px;height:calc(100vh - 64px);padding:16px 0 30px}
.sidebar-group-title{font-size:.65rem;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);padding:18px 18px 6px}
.sidebar-item{display:flex;align-items:center;gap:10px;padding:10px 18px;cursor:pointer;transition:all .15s;text-decoration:none;color:var(--slate);border-radius:0;position:relative;font-size:.84rem;font-weight:600}
.sidebar-item:hover{background:var(--bg);color:var(--navy)}
.sidebar-item.active{background:rgba(26,86,219,0.07);color:var(--blue)}
.sidebar-item.active::before{content:'';position:absolute;left:0;top:6px;bottom:6px;width:3px;background:var(--blue);border-radius:0 3px 3px 0}
.sidebar-item.active.si-red{background:rgba(230,57,70,0.07);color:var(--red)}
.sidebar-item.active.si-red::before{background:var(--red)}
.sidebar-item.active.si-word{background:rgba(43,87,151,0.07);color:var(--word)}
.sidebar-item.active.si-word::before{background:var(--word)}
.sidebar-item.active.si-excel{background:rgba(29,111,66,0.07);color:var(--excel)}
.sidebar-item.active.si-excel::before{background:var(--excel)}
.sidebar-item.active.si-purple{background:rgba(124,58,237,0.07);color:var(--purple)}
.sidebar-item.active.si-purple::before{background:var(--purple)}
.sidebar-item.active.si-teal{background:rgba(5,150,105,0.07);color:var(--green)}
.sidebar-item.active.si-teal::before{background:var(--green)}
.si-icon{font-size:1.1rem;width:22px;text-align:center;flex-shrink:0}
.si-badge{background:var(--orange);color:#fff;font-size:.56rem;font-weight:700;padding:1px 5px;border-radius:100px;margin-left:auto}

/* ── MAIN CONTENT ── */
.main-content{flex:1;overflow-y:auto;padding:30px 36px 60px}

/* ── PANEL HEADER ── */
.panel-header{margin-bottom:28px;padding-bottom:20px;border-bottom:1.5px solid var(--border)}
.panel-header-top{display:flex;align-items:flex-start;gap:16px;margin-bottom:8px}
.panel-hicon{width:52px;height:52px;border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:1.7rem;flex-shrink:0}
.hicon-red{background:rgba(230,57,70,0.1)}
.hicon-blue{background:rgba(43,87,151,0.1)}
.hicon-green{background:rgba(29,111,66,0.1)}
.hicon-purple{background:rgba(124,58,237,0.1)}
.hicon-teal{background:rgba(5,150,105,0.1)}
.panel-htitle{font-family:'Syne',sans-serif;font-weight:800;font-size:1.55rem;color:var(--navy);margin-bottom:4px}
.panel-hdesc{font-size:.85rem;color:var(--muted);line-height:1.55;max-width:520px}

/* ── PANELS ── */
.panel{display:none;animation:fadeUp .3s ease}
.panel.active{display:block}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}

/* ── DROP ZONE ── */
.dz{border:2.5px dashed rgba(26,86,219,0.25);border-radius:var(--radius);padding:44px 28px;text-align:center;cursor:pointer;transition:all .2s;background:var(--white);position:relative;max-width:600px}
.dz input[type=file]{position:absolute;inset:0;opacity:0;cursor:pointer;width:100%;height:100%}
.dz:hover,.dz.over{border-color:var(--blue);background:rgba(26,86,219,0.02)}
.dz.red-dz{border-color:rgba(230,57,70,0.25)}.dz.red-dz:hover,.dz.red-dz.over{border-color:var(--red);background:rgba(230,57,70,0.02)}
.dz.word-dz{border-color:rgba(43,87,151,0.25)}.dz.word-dz:hover,.dz.word-dz.over{border-color:var(--word);background:rgba(43,87,151,0.02)}
.dz.excel-dz{border-color:rgba(29,111,66,0.25)}.dz.excel-dz:hover,.dz.excel-dz.over{border-color:var(--excel);background:rgba(29,111,66,0.02)}
.dz-icon{font-size:2.5rem;margin-bottom:10px}
.dz-title{font-family:'Syne',sans-serif;font-weight:700;font-size:1.05rem;margin-bottom:5px}
.dz-sub{color:var(--muted);font-size:.82rem}
.dz-sub b{color:var(--blue)}
.dz.red-dz .dz-sub b{color:var(--red)}
.dz.word-dz .dz-sub b{color:var(--word)}
.dz.excel-dz .dz-sub b{color:var(--excel)}

/* ── FILE LIST ── */
.flist{margin-top:14px;display:flex;flex-direction:column;gap:8px;max-width:600px}
.fitem{display:flex;align-items:center;gap:11px;background:var(--white);border:1.5px solid var(--border);border-radius:11px;padding:11px 15px;transition:all .15s}
.fitem .ficon{font-size:1.5rem;flex-shrink:0}
.fitem .finfo{flex:1;min-width:0}
.fitem .fname{font-weight:600;font-size:.85rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.fitem .fsize{font-size:.73rem;color:var(--muted);margin-top:1px}
.fitem .fdrag{cursor:grab;color:var(--muted);font-size:.9rem;flex-shrink:0}
.fitem .frem{background:none;border:none;font-size:1rem;cursor:pointer;color:var(--muted);padding:3px 5px;border-radius:7px;transition:all .15s}
.fitem .frem:hover{background:rgba(230,57,70,0.1);color:var(--red)}
.fitem.dragging{opacity:.3}
.fitem.dragover{border-color:var(--blue);background:rgba(26,86,219,0.04)}

/* ── OPTIONS ── */
.opts{background:var(--white);border:1.5px solid var(--border);border-radius:var(--radius);padding:18px 20px;margin-top:14px;max-width:600px}
.opts-title{font-weight:700;font-size:.84rem;margin-bottom:12px;color:var(--navy)}
.opts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:11px}
.og{display:flex;flex-direction:column;gap:4px}
.ol{font-size:.75rem;font-weight:600;color:var(--muted)}
select.oi,input.oi{padding:8px 10px;border:1.5px solid var(--border);border-radius:9px;font-family:'Plus Jakarta Sans',sans-serif;font-size:.83rem;color:var(--navy);outline:none;transition:border-color .15s;background:var(--bg)}
select.oi:focus,input.oi:focus{border-color:var(--blue)}
.slider-row{display:flex;align-items:center;gap:10px}
input[type=range]{flex:1;accent-color:var(--red)}
.sv{font-weight:700;font-size:.95rem;color:var(--red);min-width:55px}
.hint{font-size:.72rem;color:var(--muted);margin-top:3px}

/* ── PROCESS BAR ── */
.pbar{margin-top:18px;display:flex;align-items:center;gap:10px;flex-wrap:wrap;max-width:600px}
.btngo{display:flex;align-items:center;gap:8px;background:var(--blue);color:#fff;border:none;padding:12px 24px;border-radius:100px;font-family:'Plus Jakarta Sans',sans-serif;font-size:.9rem;font-weight:700;cursor:pointer;transition:all .2s}
.btngo:hover:not(:disabled){box-shadow:0 7px 20px rgba(26,86,219,0.28);transform:translateY(-1px)}
.btngo:disabled{opacity:.4;cursor:not-allowed;transform:none}
.btngo.red-go{background:var(--red)}.btngo.red-go:hover:not(:disabled){box-shadow:0 7px 20px rgba(230,57,70,0.28)}
.btngo.word-go{background:var(--word)}.btngo.word-go:hover:not(:disabled){box-shadow:0 7px 20px rgba(43,87,151,0.28)}
.btngo.excel-go{background:var(--excel)}.btngo.excel-go:hover:not(:disabled){box-shadow:0 7px 20px rgba(29,111,66,0.28)}
.btngo.purple-go{background:var(--purple)}.btngo.purple-go:hover:not(:disabled){box-shadow:0 7px 20px rgba(124,58,237,0.28)}
.btngo.teal-go{background:var(--green)}.btngo.teal-go:hover:not(:disabled){box-shadow:0 7px 20px rgba(5,150,105,0.28)}
.btncl{background:none;border:1.5px solid var(--border);color:var(--muted);padding:12px 16px;border-radius:100px;font-family:'Plus Jakarta Sans',sans-serif;font-size:.83rem;cursor:pointer;transition:all .15s}
.btncl:hover{border-color:var(--navy);color:var(--navy)}

/* ── PROGRESS ── */
.progbox{background:var(--white);border:1.5px solid var(--border);border-radius:var(--radius);padding:20px;margin-top:14px;display:none;max-width:600px}
.progbox.show{display:block;animation:fadeUp .3s ease}
.prog-label{font-weight:600;font-size:.88rem;margin-bottom:10px;display:flex;align-items:center;gap:8px}
.prog-track{background:var(--bg);border-radius:100px;height:6px;overflow:hidden}
.prog-fill{height:100%;background:linear-gradient(90deg,var(--blue),var(--blue-light));border-radius:100px;transition:width .45s ease;width:0%}
.prog-fill.rfill{background:linear-gradient(90deg,var(--red),#ff6b6b)}
.prog-fill.wfill{background:linear-gradient(90deg,var(--word),#5b9bd5)}
.prog-fill.efill{background:linear-gradient(90deg,var(--excel),#4CAF50)}
.prog-status{font-size:.77rem;color:var(--muted);margin-top:6px}

/* ── ERROR ── */
.errbox{background:rgba(230,57,70,0.05);border:1.5px solid rgba(230,57,70,0.2);border-radius:12px;padding:12px 16px;margin-top:12px;font-size:.83rem;color:#b91c1c;display:none;max-width:600px}
.errbox.show{display:block;animation:fadeUp .3s ease}

/* ── RESULT ── */
.resbox{background:var(--white);border:2px solid #10b981;border-radius:var(--radius);padding:22px;margin-top:14px;display:none;text-align:center;max-width:600px}
.resbox.rred{border-color:var(--red)}
.resbox.rword{border-color:var(--word)}
.resbox.rexcel{border-color:var(--excel)}
.resbox.rpurple{border-color:var(--purple)}
.resbox.show{display:block;animation:fadeUp .4s ease}
.res-icon{font-size:2.4rem;margin-bottom:8px}
.res-title{font-family:'Syne',sans-serif;font-weight:800;font-size:1.15rem;margin-bottom:4px}
.res-sub{color:var(--muted);font-size:.82rem;margin-bottom:14px;line-height:1.5}
.stats-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:14px}
.sc{background:var(--bg);border-radius:9px;padding:7px 13px;font-size:.78rem}
.sc strong{display:block;font-size:.95rem;font-weight:700;color:var(--navy)}
.res-acts{display:flex;gap:9px;justify-content:center;flex-wrap:wrap}
.btndl{background:#10b981;color:#fff;border:none;padding:10px 22px;border-radius:100px;font-family:'Plus Jakarta Sans',sans-serif;font-size:.88rem;font-weight:700;cursor:pointer;transition:all .2s;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.btndl:hover{box-shadow:0 5px 16px rgba(16,185,129,0.32);transform:translateY(-1px)}
.btndl.wdl{background:var(--word)}.btndl.wdl:hover{box-shadow:0 5px 16px rgba(43,87,151,.32)}
.btndl.edl{background:var(--excel)}.btndl.edl:hover{box-shadow:0 5px 16px rgba(29,111,66,.32)}
.btndl.rdl{background:var(--red)}.btndl.rdl:hover{box-shadow:0 5px 16px rgba(230,57,70,.32)}
.btnag{background:none;border:1.5px solid var(--border);color:var(--navy);padding:10px 16px;border-radius:100px;font-family:'Plus Jakarta Sans',sans-serif;font-size:.83rem;cursor:pointer;transition:all .15s}
.btnag:hover{border-color:var(--navy)}

/* ── IMG GRID ── */
.imgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:11px;margin:14px 0;text-align:left}
.imgcard{border:1.5px solid var(--border);border-radius:11px;overflow:hidden;background:var(--white)}
.imgcard img{width:100%;display:block;aspect-ratio:3/4;object-fit:cover;background:#eee}
.imgcard .ifoot{padding:6px 9px;display:flex;justify-content:space-between;align-items:center}
.imgcard .ilabel{font-size:.72rem;font-weight:600;color:var(--muted)}
.imgcard a{font-size:.9rem;text-decoration:none}

/* ── INFOBOX ── */
.infobox{background:rgba(29,111,66,0.05);border:1px solid rgba(29,111,66,0.15);border-radius:10px;padding:11px 14px;margin-bottom:12px;font-size:.81rem;color:#374151;line-height:1.65}
.infobox.winfo{background:rgba(43,87,151,0.05);border-color:rgba(43,87,151,0.15)}
.infobox strong{color:var(--excel)}
.infobox.winfo strong{color:var(--word)}

/* ── SPINNER ── */
@keyframes spin{to{transform:rotate(360deg)}}
.spin{width:16px;height:16px;border:2.5px solid rgba(255,255,255,0.3);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;flex-shrink:0}

/* ── PDF EDITOR ── */
.editor-wrap{display:flex;flex-direction:column;gap:12px}
.editor-toolbar{display:flex;align-items:center;gap:6px;flex-wrap:wrap;background:var(--white);border:1.5px solid var(--border);border-radius:var(--radius);padding:10px 14px}
.tool-btn{display:flex;align-items:center;gap:5px;padding:6px 10px;border-radius:8px;border:1.5px solid var(--border);background:var(--bg);cursor:pointer;font-family:'Plus Jakarta Sans',sans-serif;font-size:.76rem;font-weight:700;color:var(--navy);transition:all .15s}
.tool-btn:hover{border-color:var(--purple);background:rgba(124,58,237,0.05)}
.tool-btn.active{background:var(--purple);color:#fff;border-color:var(--purple)}
.tool-sep{width:1px;height:26px;background:var(--border);flex-shrink:0;margin:0 2px}
.color-pick{width:28px;height:28px;border-radius:7px;border:2px solid var(--border);cursor:pointer;padding:0;overflow:hidden}
.size-sel,.zoom-sel{padding:5px 8px;border:1.5px solid var(--border);border-radius:8px;font-size:.76rem;font-family:'Plus Jakarta Sans',sans-serif;background:var(--bg);color:var(--navy)}
.editor-stage{position:relative;background:#525659;border-radius:var(--radius);overflow:hidden;min-height:400px;display:flex;flex-direction:column;align-items:center;padding:20px 0;gap:16px}
.editor-page-wrap{position:relative;display:inline-block;box-shadow:0 4px 20px rgba(0,0,0,0.3)}
.editor-page-wrap canvas.pdf-canvas{display:block}
.editor-page-wrap canvas.draw-canvas{position:absolute;top:0;left:0;cursor:crosshair}
.editor-page-nav{display:flex;align-items:center;gap:10px;justify-content:center;padding:10px}
.pnav-btn{background:rgba(255,255,255,0.15);border:none;color:#fff;padding:6px 14px;border-radius:8px;cursor:pointer;font-size:.82rem;font-family:'Plus Jakarta Sans',sans-serif}
.pnav-btn:hover{background:rgba(255,255,255,0.28)}
.pnav-info{color:rgba(255,255,255,0.8);font-size:.82rem;font-family:'Plus Jakarta Sans',sans-serif}
.editor-empty{text-align:center;padding:60px 20px;color:rgba(255,255,255,0.5);font-family:'Plus Jakarta Sans',sans-serif}
.editor-empty .ee-icon{font-size:3rem;margin-bottom:10px}
.editor-save-bar{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-top:4px}

/* ── SIGN PDF ── */
.sign-steps{display:flex;gap:8px;margin-bottom:18px;flex-wrap:wrap;max-width:600px}
.sign-step{flex:1;min-width:120px;background:var(--white);border:2px solid var(--border);border-radius:12px;padding:12px 14px;cursor:pointer;transition:all .18s;font-family:'Plus Jakarta Sans',sans-serif;text-align:center}
.sign-step:hover{border-color:var(--green)}
.sign-step.active{border-color:var(--green);background:rgba(5,150,105,0.06)}
.sign-step .ss-num{width:24px;height:24px;background:var(--green);color:#fff;border-radius:50%;font-size:.73rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 6px}
.sign-step .ss-label{font-size:.8rem;font-weight:700;color:var(--navy)}
.sign-step .ss-sub{font-size:.68rem;color:var(--muted);margin-top:2px}
.sig-pad-wrap{background:var(--white);border:2px dashed rgba(5,150,105,0.4);border-radius:15px;padding:14px;margin-bottom:14px;max-width:600px}
.sig-pad-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px}
.sig-pad-title{font-weight:700;font-size:.86rem;color:var(--navy)}
.sig-tabs{display:flex;gap:6px}
.sig-tab{padding:5px 12px;border-radius:8px;border:1.5px solid var(--border);font-size:.74rem;font-weight:700;cursor:pointer;background:var(--bg);color:var(--navy);font-family:'Plus Jakarta Sans',sans-serif;transition:all .15s}
.sig-tab.active{background:var(--green);color:#fff;border-color:var(--green)}
#sig-canvas{display:block;width:100%;height:150px;border-radius:9px;background:#fafafa;border:1px solid var(--border);cursor:crosshair;touch-action:none}
.sig-type-wrap{display:none;flex-direction:column;gap:10px}
.sig-type-wrap.show{display:flex}
.sig-draw-wrap{display:none}
.sig-draw-wrap.show{display:block}
.sig-type-input{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:10px;font-size:1.5rem;font-family:'Dancing Script',cursive,'Plus Jakarta Sans',sans-serif;color:var(--navy);background:var(--bg);outline:none}
.sig-type-input:focus{border-color:var(--green)}
.sig-font-row{display:flex;gap:6px;flex-wrap:wrap}
.sig-font-btn{padding:5px 12px;border-radius:8px;border:1.5px solid var(--border);background:var(--bg);cursor:pointer;font-size:.9rem;transition:all .15s}
.sig-font-btn.active{border-color:var(--green);background:rgba(5,150,105,0.08)}
.sig-upload-wrap{display:none;flex-direction:column;gap:10px;align-items:center}
.sig-upload-wrap.show{display:flex}
.sig-actions{display:flex;gap:8px;margin-top:10px;flex-wrap:wrap}
.sig-preview{border:1.5px solid var(--border);border-radius:10px;background:var(--white);padding:10px;display:none;text-align:center;margin-bottom:14px;max-width:600px}
.sig-preview.show{display:block}
.sig-preview img{max-height:80px;margin:0 auto;display:block}
.sig-preview-label{font-size:.73rem;color:var(--muted);margin-top:6px}
.sign-pdf-stage{background:#525659;border-radius:var(--radius);padding:20px;min-height:300px;display:flex;flex-direction:column;align-items:center;gap:16px;position:relative}
.sign-page-wrap{position:relative;display:inline-block;box-shadow:0 4px 20px rgba(0,0,0,0.3)}
.sign-page-wrap canvas.sign-pdf-canvas{display:block}
.sign-overlay-canvas{position:absolute;top:0;left:0;cursor:crosshair}
.sig-drag-box{position:absolute;border:2px dashed var(--green);background:rgba(5,150,105,0.12);border-radius:6px;cursor:move;min-width:60px;min-height:24px;display:flex;align-items:center;justify-content:center}
.sig-drag-box img{max-height:60px;max-width:200px;pointer-events:none;user-select:none}
.sig-drag-box .sig-remove{position:absolute;top:-10px;right:-10px;background:var(--red);color:#fff;border:none;border-radius:50%;width:20px;height:20px;font-size:.7rem;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1}
.sig-drag-box .sig-resize{position:absolute;bottom:-8px;right:-8px;width:16px;height:16px;background:var(--green);border-radius:3px;cursor:se-resize}
.sign-save-bar{display:flex;gap:9px;flex-wrap:wrap;align-items:center;margin-top:6px}
.sign-page-nav{display:flex;align-items:center;gap:10px;justify-content:center;padding:10px}
.sign-empty{text-align:center;padding:50px 20px;color:rgba(255,255,255,0.5);font-family:'Plus Jakarta Sans',sans-serif}
.sign-empty .se-icon{font-size:3rem;margin-bottom:10px}

/* ── NOTIF ── */
.notif{position:fixed;bottom:20px;right:20px;background:var(--navy);color:#fff;padding:12px 16px;border-radius:12px;font-size:.83rem;font-weight:600;box-shadow:0 6px 24px rgba(0,0,0,0.18);z-index:999;animation:fadeUp .3s ease;max-width:280px}
.notif.nerr{background:var(--red)}
.notif.nok{background:#059669}

/* ── MOBILE ── */
@media(max-width:768px){
  .sidebar{display:none}
  .main-content{padding:20px 16px 40px}
  .dz,.opts,.pbar,.progbox,.errbox,.resbox,.flist,.sign-steps,.sig-pad-wrap,.sig-preview,.sign-save-bar{max-width:100%}
}