:root{--ink:#1a1a1a;--gray:#5c5c5c;--gray-soft:#8a8a8a;--line:#d8d8d8;--gold:#b3872f;--gold-soft:#c9a04c;--paper:#fff;--panel:#0f1012;--panel-2:#181a1d;--text-dim:#a9adb5;--text-soft:#e8eaed;--border:#b3872f47}*{box-sizing:border-box}html,body{margin:0;padding:0}html{-webkit-text-size-adjust:100%}body{background:var(--panel);color:var(--text-soft);min-height:100dvh;font-family:Poppins,sans-serif}.app{grid-template-columns:420px 1fr;min-height:100dvh;display:grid}@media (width<=1100px){.app{grid-template-columns:380px 1fr}}@media (width<=900px){.app{grid-template-columns:1fr}}.panel{background:linear-gradient(180deg, var(--panel-2), var(--panel));border-right:1px solid var(--border);flex-direction:column;gap:14px;max-height:100dvh;padding:30px 26px 24px;display:flex;overflow:hidden auto}.brand{align-items:center;gap:12px;display:flex}.brand .mark{border:1.5px solid var(--gold);width:34px;height:34px;color:var(--gold);background:#b3872f1a;border-radius:50%;justify-content:center;align-items:center;font-size:15px;font-weight:700;display:flex}.brand span{letter-spacing:.14em;text-transform:uppercase;color:var(--text-dim);font-size:12px}.panel-head h1{color:#fff;margin:0 0 4px;font-size:23px;font-weight:700}.panel-head .sub{color:var(--text-dim);margin:0;font-size:13px;line-height:1.6}.divider{background:linear-gradient(90deg, var(--border), transparent);height:1px;margin:2px 0}.section-head{align-items:center;gap:10px;margin-top:4px;display:flex}.section-head .sec-index{letter-spacing:.08em;color:#181100;background:linear-gradient(180deg, #d8b258, var(--gold));border-radius:5px;padding:3px 7px;font-size:10px;font-weight:700}.section-head .sec-title{letter-spacing:.12em;text-transform:uppercase;color:var(--text-dim);font-size:11px;font-weight:600}.field{flex-direction:column;gap:7px;display:flex}.field 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18px;font-family:Poppins,sans-serif;font-size:15px;font-weight:600;transition:transform .14s,box-shadow .14s,opacity .14s;display:flex;box-shadow:0 6px 18px #b3872f40}.btn-primary svg{flex-shrink:0}.btn-primary:disabled{opacity:.35;cursor:not-allowed;box-shadow:none}.btn-primary:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 10px 24px #b3872f59}.btn-primary:not(:disabled):active{transform:scale(.99)}.btn-secondary{cursor:pointer;color:#d0d3d9;background:#ffffff0d;border:1px solid #ffffff2e;border-radius:10px;justify-content:center;align-items:center;gap:8px;padding:12px 16px;font-family:Poppins,sans-serif;font-size:13px;font-weight:600;transition:background .14s,border-color .14s,color .14s;display:flex}.btn-secondary:hover{border-color:var(--gold);color:#fff;background:#b3872f38}.btn-secondary svg{flex-shrink:0}.status{color:var(--text-dim);text-align:center;min-height:18px;font-size:12px}.status.ok{color:#8ecf9a}.status.err{color:#ef8f8f}.excel-section{background:#ffffff08;border:1px dashed #ffffff1f;border-radius:12px;flex-direction:column;gap:10px;padding:16px;display:flex}.excel-section .excel-label{color:#cdd0d6;letter-spacing:.04em;font-size:12px;font-weight:600}.excel-upload-area{text-align:center;cursor:pointer;border:2px dashed #b3872f59;border-radius:10px;padding:18px;transition:border-color .14s,background .14s}.excel-upload-area:hover{border-color:var(--gold);background:#b3872f0f}.excel-upload-area.dragover{border-color:var(--gold);background:#b3872f1f}.excel-upload-area p{color:var(--text-dim);margin:0;font-size:12.5px}.excel-upload-area .excel-icon{margin-bottom:6px;font-size:24px}.excel-file-name{color:#8ecf9a;align-items:center;gap:6px;font-size:12px;font-weight:600;display:flex}.excel-file-name button{color:#ef8f8f;cursor:pointer;background:0 0;border:none;padding:0 4px;font-size:14px}.excel-summary{color:var(--text-dim);font-size:11px}.excel-actions{flex-wrap:wrap;gap:8px;display:flex}.stage{background:radial-gradient(1200px 800px at 70% -10%,#b3872f1a,#0000 60%),radial-gradient(900px 700px at 10% 110%,#b3872f0f,#0000 60%),#0c0d0e;flex-direction:column;min-width:0;display:flex;overflow:hidden}.stage-toolbar{background:#ffffff05;border-bottom:1px solid #ffffff0f;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:13px 20px;display:flex}.toolbar-hint{color:var(--text-dim);align-items:center;gap:9px;font-size:12.5px;display:flex}.toolbar-hint .live-dot{background:#3ddc84;border-radius:50%;width:8px;height:8px;animation:1.8s infinite pulse;box-shadow:0 0 #3ddc8480}@keyframes pulse{0%{box-shadow:0 0 #3ddc8473}70%{box-shadow:0 0 0 9px #3ddc8400}to{box-shadow:0 0 #3ddc8400}}.toolbar-zoom{align-items:center;gap:8px;display:flex}.toolbar-zoom button{cursor:pointer;color:#e7e9ee;background:#ffffff0f;border:1px solid #ffffff24;border-radius:9px;justify-content:center;align-items:center;width:34px;height:34px;font-family:Poppins,sans-serif;font-size:15px;font-weight:600;line-height:1;transition:background .14s,border-color .14s,transform .1s;display:flex}.toolbar-zoom button:hover{border-color:var(--gold);background:#b3872f38}.toolbar-zoom button:active{transform:scale(.94)}.toolbar-zoom .zoom-value{text-align:center;min-width:52px;color:var(--text-dim);font-size:12.5px;font-weight:600}.toolbar-zoom .btn-fit{width:auto;padding:0 14px;font-size:12.5px}.toolbar-zoom .btn-fit:hover{color:#fff}.btn-lang{letter-spacing:.06em;text-transform:uppercase;cursor:pointer;color:#d0d3d9;white-space:nowrap;background:#ffffff0d;border:1px solid #ffffff2e;border-radius:8px;padding:8px 14px;font-family:Poppins,sans-serif;font-size:11.5px;font-weight:700;transition:background .14s,border-color .14s,color .14s}.btn-lang:hover{border-color:var(--gold);color:#fff;background:#b3872f38}.btn-lang.active{border-color:var(--gold);color:var(--gold);background:#b3872f4d}.stage-view{flex:1;min-height:0;padding:24px;display:flex;overflow:auto}.cert-wrap{aspect-ratio:1889/1200;border-radius:4px;flex-shrink:0;width:min(100%,1100px);margin:auto;position:relative;overflow:hidden;box-shadow:0 30px 70px #0000008c,0 0 0 1px #ffffff0d}@media (width<=900px){.panel{border-right:none;border-bottom:1px solid var(--border);max-height:none}.stage{height:min(62vh,620px);min-height:340px}.stage-view{padding:16px}}@media (width<=480px){.stage-toolbar{justify-content:center}.stage{height:52vh;min-height:300px}.panel{padding:24px 18px 20px}}#certificate{transform-origin:0 0;background:var(--paper);width:1889px;height:1200px;color:var(--ink);font-family:Poppins,sans-serif;position:relative;overflow:hidden}.corner-tr{width:280px;height:220px;position:absolute;top:0;right:0}.corner-bl{width:280px;height:220px;position:absolute;bottom:0;left:0;transform:rotate(180deg)}.gold-frame{border:1.5px solid var(--gold);pointer-events:none;position:absolute;inset:30px}.gold-frame:before{content:"";border:.75px solid #b3872f73;position:absolute;inset:6px}.content{text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:50px 95px 45px;display:flex;position:absolute;inset:0}.header-row{grid-template-columns:330px 1fr 330px;align-items:center;width:100%;margin-bottom:22px;display:grid}.logo-box{align-items:center;height:240px;display:flex}.logo-box.left{justify-content:flex-start}.logo-box.right{justify-content:flex-end}.logo-box img{object-fit:contain;max-width:160%;max-height:160%}.title-block{flex-direction:column;align-items:center;display:flex}.cert-title{letter-spacing:.07em;color:var(--ink);margin:0;font-size:82px;font-weight:800;line-height:1}.cert-subtitle{letter-spacing:.36em;color:#4a4a4a;justify-content:center;align-items:center;gap:22px;margin-top:16px;font-size:22px;font-weight:600;display:flex}.cert-subtitle .ln{background:#bdbdbd;width:65px;height:1px}.lead{color:var(--gray);margin:0 0 12px;font-size:29px}.student-name{color:var(--ink);max-width:1200px;margin:0 0 10px;font-family:Dancing Script,cursive;font-size:88px;font-weight:700;line-height:1.1}.name-underline{background:var(--line);width:600px;max-width:70%;height:1px;margin:0 auto 22px}.course-lead{color:var(--gray);margin:0 0 6px;font-size:26px}.course-name{color:var(--ink);max-width:1200px;margin:0 0 28px;font-size:40px;font-weight:700}.info-row{justify-content:center;align-items:stretch;gap:50px;margin-bottom:28px;display:flex}.info-item{align-items:center;gap:16px;display:flex}.info-item svg{flex-shrink:0;width:26px;height:26px}.info-text{text-align:left}.info-label{letter-spacing:.1em;color:var(--gray-soft);margin:0;font-size:17px;font-weight:600}.info-value{color:var(--ink);margin:4px 0 0;font-size:23px;font-weight:700}.info-sep{background:var(--line);width:1px}.thin-divider{justify-content:center;align-items:center;gap:16px;width:360px;margin:0 0 22px;display:flex}.thin-divider .ln{background:var(--line);flex:1;height:1px}.thin-divider .dot{background:var(--gold);flex-shrink:0;width:8px;height:8px;transform:rotate(45deg)}.thanks{color:#5e5e5e;max-width:780px;margin:0;font-size:22px;line-height:1.75}.thanks strong{color:var(--ink);font-weight:700}.footer-row{justify-content:center;align-items:flex-end;gap:60px;width:100%;margin-top:34px;display:flex}.sign-block{text-align:center;width:320px}.signature-script{color:#2a2a2a;justify-content:center;align-items:flex-end;height:48px;font-family:Dancing Script,cursive;font-size:38px;font-weight:600;display:flex}.sign-line{border-top:1px solid #c4c4c4;margin:6px 0 12px}.sign-name{color:var(--ink);margin:0 0 6px;font-size:22px;font-weight:700}.sign-role{letter-spacing:.09em;color:var(--gray-soft);font-size:16px;font-weight:600;line-height:1.6}.seal-wrap{flex-direction:column;flex-shrink:0;align-items:center;padding:0 12px;display:flex}.seal{border:2.5px solid var(--gold);background:#141414;border-radius:50%;justify-content:center;align-items:center;width:130px;height:130px;display:flex}.seal img{object-fit:contain;filter:invert()brightness(2);width:96px;height:auto}.ribbon{gap:5px;margin-top:-2px;display:flex}.ribbon .tail{border-top:40px solid #141414;border-left:20px solid #0000;border-right:20px solid #0000;width:0;height:0}.ribbon .tail.right{transform:scaleX(-1)}.student-nav{color:var(--text-dim);background:#ffffff05;border-bottom:1px solid #ffffff0f;align-items:center;gap:10px;padding:8px 20px;font-size:13px;display:flex}.student-nav strong{color:#fff}.student-nav button{cursor:pointer;color:#e7e9ee;background:#ffffff0f;border:1px solid #ffffff24;border-radius:7px;padding:6px 14px;font-family:Poppins,sans-serif;font-size:12px;font-weight:600;transition:background .14s,border-color .14s}.student-nav button:hover{border-color:var(--gold);background:#b3872f38}.student-nav button:disabled{opacity:.3;cursor:not-allowed}.oficio-page{background:#fff;flex-direction:column;justify-content:flex-start;align-items:center;width:1200px;height:1889px;display:flex}.oficio-cert-slot{position:relative;overflow:hidden}.oficio-cert-inner{transform-origin:0 0}.oficio-empty{background:#fff;width:100%;height:100%}#certificate.cert-narrow{width:1525px}#certificate.cert-narrow .content{padding:50px 48px 45px}#certificate.cert-narrow .header-row{grid-template-columns:195px 1fr 195px}#certificate.cert-narrow .logo-box img{max-width:130%}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:100;background:#0a0b0cbd;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.modal{color:var(--ink);background:#fff;border-radius:16px;width:100%;max-width:920px;max-height:92vh;padding:26px 28px 22px;overflow-y:auto;box-shadow:0 40px 90px #00000080}.modal-head{justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;display:flex}.modal-head h2{color:#141414;margin:0;font-size:19px;line-height:1.4}.modal-close{cursor:pointer;color:#333;background:#0000000f;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:15px;display:flex}.modal-close:hover{background:#0000001f}.oficio-grid{grid-template-columns:1fr 1fr;gap:18px;display:grid}@media (width<=720px){.oficio-grid{grid-template-columns:1fr}}.oficio-form{border:1px solid #e3e3e3;border-radius:12px;padding:16px}.oficio-form-title{letter-spacing:.08em;text-transform:uppercase;color:var(--gold);align-items:center;gap:9px;margin-bottom:14px;font-size:12px;font-weight:700;display:flex}.oficio-form-title .sec-index{letter-spacing:.08em;color:#181100;background:linear-gradient(180deg, #d8b258, var(--gold));border-radius:5px;padding:3px 7px;font-size:10px;font-weight:700}.oficio-form .field{margin-bottom:12px}.oficio-form .field:last-child{margin-bottom:0}.oficio-form .field label{color:#555}.oficio-form .field input{color:#1a1a1a;box-shadow:none;background:#fff;border:1px solid #d6d6d6;border-radius:8px;padding:10px 12px;font-size:14px}.oficio-form .field input::placeholder{color:#a7a7a7}.oficio-form .field input:focus{border-color:var(--gold);background:#fff;box-shadow:0 0 0 3px #b3872f2e}.modal-actions{justify-content:flex-end;align-items:center;gap:12px;margin-top:20px;display:flex}.modal-actions .btn-primary{padding:13px 20px;font-size:14px}.modal-actions .btn-secondary{padding:12px 18px;font-size:13px}.modal .status{color:#5c5c5c}.modal .status.ok{color:#2e9e4f}.modal .status.err{color:#c93c3c}