/* ES – Ghép PDF · nhận diện ES GROUP: #005ca1 · #838280 · #f0aa1d · Montserrat */
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@font-face{font-family:Montserrat;font-weight:400;font-display:swap;src:url(fonts/montserrat-latin-ext-400-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}
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@font-face{font-family:Montserrat;font-weight:500;font-display:swap;src:url(fonts/montserrat-vietnamese-500-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:Montserrat;font-weight:500;font-display:swap;src:url(fonts/montserrat-latin-ext-500-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+20A0-20AB,U+20AD-20C0,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Montserrat;font-weight:500;font-display:swap;src:url(fonts/montserrat-latin-500-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2212,U+FEFF,U+FFFD}
@font-face{font-family:Montserrat;font-weight:600;font-display:swap;src:url(fonts/montserrat-vietnamese-600-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:Montserrat;font-weight:600;font-display:swap;src:url(fonts/montserrat-latin-ext-600-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+20A0-20AB,U+20AD-20C0,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Montserrat;font-weight:600;font-display:swap;src:url(fonts/montserrat-latin-600-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2212,U+FEFF,U+FFFD}
@font-face{font-family:Montserrat;font-weight:700;font-display:swap;src:url(fonts/montserrat-vietnamese-700-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:Montserrat;font-weight:700;font-display:swap;src:url(fonts/montserrat-latin-ext-700-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+20A0-20AB,U+20AD-20C0,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Montserrat;font-weight:700;font-display:swap;src:url(fonts/montserrat-latin-700-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2212,U+FEFF,U+FFFD}
@font-face{font-family:Montserrat;font-weight:800;font-display:swap;src:url(fonts/montserrat-vietnamese-800-normal.woff2) format('woff2');unicode-range:U+0102-0103,U+0110-0111,U+0128-0129,U+0168-0169,U+01A0-01A1,U+01AF-01B0,U+0300-0301,U+0303-0304,U+0308-0309,U+0323,U+0329,U+1EA0-1EF9,U+20AB}
@font-face{font-family:Montserrat;font-weight:800;font-display:swap;src:url(fonts/montserrat-latin-ext-800-normal.woff2) format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+1E00-1E9F,U+1EF2-1EFF,U+20A0-20AB,U+20AD-20C0,U+2C60-2C7F,U+A720-A7FF}
@font-face{font-family:Montserrat;font-weight:800;font-display:swap;src:url(fonts/montserrat-latin-800-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+20AC,U+2122,U+2212,U+FEFF,U+FFFD}

:root{
  --blue:#005ca1; --blue-d:#00487e; --blue-l:#e6f0f8; --gray:#838280; --orange:#f0aa1d; --orange-d:#d89310;
  --ink:#1d2733; --muted:#6b7480; --line:#dde3ea; --bg:#f3f6f9; --card:#fff; --red:#c62828;
  --th:170px;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:Montserrat,system-ui,'Segoe UI',Arial,sans-serif;font-size:14px;color:var(--ink);background:var(--bg)}
.hidden{display:none!important}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;flex:none}
button{font-family:inherit}
.muted{color:var(--muted)} .small{font-size:12px}
.grow{flex:1}

/* Nút */
.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:8px;padding:8px 14px;font-size:13px;font-weight:600;cursor:pointer;background:#fff;color:var(--ink);transition:background .15s,border-color .15s,color .15s}
.btn:disabled{opacity:.45;cursor:not-allowed}
.btn.primary{background:var(--blue);color:#fff}
.btn.primary:hover:not(:disabled){background:var(--blue-d)}
.btn.accent{background:var(--orange);color:#1d1a12}
.btn.accent:hover{background:var(--orange-d)}
.btn.tool{background:#fff;border-color:var(--line);padding:7px 11px}
.btn.tool:hover:not(:disabled){border-color:var(--blue);color:var(--blue)}
.btn.tool.icon{padding:7px 8px}
.btn.tool.danger:hover:not(:disabled){border-color:var(--red);color:var(--red)}
.btn.ghost-w{background:transparent;color:#fff;border-color:rgba(255,255,255,.5)}
.btn.ghost-w:hover{background:rgba(255,255,255,.12)}
.btn.sm{padding:5px 10px;font-size:12px}
.btn.lg{padding:12px 16px;font-size:15px}
.btn.block{width:100%;justify-content:center}
.btn.secondary{background:#fff;border-color:var(--line)}
.btn.secondary:hover{border-color:var(--blue);color:var(--blue)}
.btn.dangerbtn{background:var(--red);color:#fff}
.linkbtn{background:none;border:0;color:var(--blue);font-weight:600;cursor:pointer;padding:0;font-size:inherit;text-decoration:underline}
.linkbtn.danger{color:var(--red);font-size:12px;text-decoration:none}
.linkbtn.danger:hover{text-decoration:underline}

/* Đăng nhập */
.login{position:fixed;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--blue) 0%,#003e6d 100%)}
.login-card{background:#fff;border-radius:14px;padding:34px 32px 28px;width:min(380px,92vw);box-shadow:0 20px 60px rgba(0,0,0,.25)}
.login-card h1{margin:14px 0 4px;font-size:22px;font-weight:800;color:var(--blue)}
.login-card p{margin:0 0 20px;font-size:13px}
.login-card label{display:block;font-weight:600;font-size:12px;margin-bottom:6px}
.login-card input{width:100%;padding:11px 12px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:15px;margin-bottom:8px}
.login-card input:focus{outline:2px solid var(--blue);border-color:var(--blue)}
.err{color:var(--red);font-size:12px;min-height:18px;margin-bottom:8px}
.brand-big{display:flex;align-items:baseline;gap:6px;font-weight:800;font-size:26px;letter-spacing:.5px}
.brand-big .es{color:var(--blue)} .brand-big span:last-child{color:var(--gray)}

/* Thanh trên */
.topbar{height:52px;background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:space-between;padding:0 18px;position:sticky;top:0;z-index:30}
.brand{display:flex;align-items:center;gap:6px;font-weight:800;font-size:18px;letter-spacing:.4px}
.brand .es{color:#fff} .brand .grp{color:var(--orange)}
.brand .sep{width:1px;height:22px;background:rgba(255,255,255,.35);margin:0 10px}
.brand .title{font-weight:600;font-size:16px}
.top-right{display:flex;align-items:center;gap:12px}
.ver{font-size:11px;opacity:.75}

.toolbar{position:sticky;top:52px;z-index:25;display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding:10px 18px;background:#fff;border-bottom:1px solid var(--line)}
.tb-sep{width:1px;height:24px;background:var(--line);margin:0 4px}
.tb-info{font-size:12px;color:var(--muted);margin-left:8px}
.zoom{display:flex;align-items:center;gap:6px;color:var(--gray)}
.zoom input{width:120px;accent-color:var(--blue)}

/* Bố cục */
.layout{display:flex;align-items:flex-start;gap:18px;padding:18px}
main{flex:1;min-width:0;position:relative;min-height:calc(100vh - 150px)}
.side{width:310px;flex:none;position:sticky;top:122px;display:flex;flex-direction:column;gap:14px;max-height:calc(100vh - 140px);overflow:auto}
.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px}
.panel h3{margin:0 0 12px;font-size:14px;font-weight:700;color:var(--blue)}
.panel-h{display:flex;justify-content:space-between;align-items:baseline}
.panel label{font-size:12px;font-weight:600}
.namebox{display:flex;align-items:center;border:1px solid var(--line);border-radius:8px;margin-top:6px;overflow:hidden}
.namebox:focus-within{outline:2px solid var(--blue);border-color:var(--blue)}
.namebox input{flex:1;min-width:0;border:0;padding:9px 10px;font:inherit;font-size:13px;outline:0}
.namebox .ext{padding:0 10px;color:var(--muted);font-size:13px;background:#f6f8fa;align-self:stretch;display:flex;align-items:center;border-left:1px solid var(--line)}
.hint{font-size:11px;color:var(--muted);margin:5px 0 12px}
.modes{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.mode{display:flex;gap:10px;align-items:flex-start;border:1px solid var(--line);border-radius:10px;padding:10px 12px;cursor:pointer}
.mode:has(input:checked){border-color:var(--blue);background:var(--blue-l)}
.mode input{margin-top:3px;accent-color:var(--blue)}
.mode b{display:block;font-size:13px} .mode small{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:2px}
.sum{font-size:12px;color:var(--muted);margin-bottom:12px}
.tips ul{margin:0;padding-left:18px;font-size:12px;color:#3d4753;line-height:1.7}
kbd{font-family:inherit;font-size:11px;background:#f0f3f6;border:1px solid var(--line);border-bottom-width:2px;border-radius:4px;padding:0 4px}

/* Danh sách file nguồn */
.srclist{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}
.src{display:flex;gap:10px;align-items:flex-start;padding:8px 10px;border:1px solid var(--line);border-radius:8px;border-left:4px solid var(--c,#999)}
.src .meta{flex:1;min-width:0}
.src .nm{font-weight:600;font-size:12px;word-break:break-all;line-height:1.35}
.src .st{font-size:11px;color:var(--muted);margin-top:3px}
.src .st.bad{color:var(--red)}
.src .acts{display:flex;flex-direction:column;gap:4px;align-items:flex-end}
.src .acts button{background:none;border:0;color:var(--muted);cursor:pointer;font-size:11px;padding:0}
.src .acts button:hover{color:var(--red)}
.src .acts button.retry:hover{color:var(--blue)}
.badge{display:inline-block;font-size:10px;font-weight:700;padding:2px 6px;border-radius:4px;color:#fff;margin-right:4px;vertical-align:1px}
.badge.pdf{background:#d0342c}.badge.word{background:#2b579a}.badge.excel{background:#217346}.badge.img{background:var(--gray)}

/* Vùng thả & lưới trang */
.dropzone{border:2px dashed #b9c8d6;border-radius:16px;background:#fff;text-align:center;padding:60px 20px;color:var(--muted);transition:border-color .15s,background .15s}
.dropzone h2{color:var(--ink);font-size:20px;margin:10px 0 4px}
.dropzone p{margin:6px 0}
.dz-ico{width:56px;height:56px;color:var(--blue);stroke-width:1.5}
.fmt{margin:16px 0}
.fmt .badge{font-size:12px;padding:4px 10px;margin:0 3px}
.note{font-size:12px;line-height:1.6;max-width:520px;margin:14px auto 0!important}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(calc(var(--th) + 18px),1fr));gap:14px;outline:0;padding-bottom:60px}
.card{position:relative;background:#fff;border:2px solid transparent;border-radius:10px;padding:8px 8px 6px;box-shadow:0 1px 3px rgba(16,40,70,.12);cursor:pointer;user-select:none;transition:box-shadow .15s,border-color .15s,opacity .15s}
.card::before{content:"";position:absolute;left:8px;right:8px;top:0;height:3px;border-radius:0 0 3px 3px;background:var(--c,#999)}
.card:hover{box-shadow:0 4px 12px rgba(16,40,70,.18)}
.card.sel{border-color:var(--blue);background:var(--blue-l)}
.card.dragging{opacity:.35}
.thumb{height:var(--th);display:flex;align-items:center;justify-content:center;margin-top:4px}
.thumb img{max-width:100%;max-height:100%;box-shadow:0 0 0 1px #d5dbe2,0 2px 6px rgba(0,0,0,.08);background:#fff}
.thumb .ph{width:70%;height:90%;background:repeating-linear-gradient(45deg,#f1f4f7,#f1f4f7 8px,#e8edf2 8px,#e8edf2 16px);border-radius:3px}
.cap{display:flex;justify-content:space-between;gap:6px;align-items:center;margin-top:6px;font-size:11px}
.cap .no{font-weight:700;color:var(--blue)}
.cap .sn{color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.card .chk{position:absolute;top:10px;left:10px;width:22px;height:22px;border-radius:50%;background:#fff;border:2px solid #b7c2cd;display:flex;align-items:center;justify-content:center;opacity:0;transition:opacity .1s}
.card:hover .chk,.card.sel .chk,.grid.has-sel .chk{opacity:1}
.card.sel .chk{background:var(--blue);border-color:var(--blue)}
.card .chk svg{width:13px;height:13px;stroke:#fff;stroke-width:3}
.card .hov{position:absolute;top:8px;right:8px;display:flex;flex-direction:column;gap:4px;opacity:0;transition:opacity .1s}
.card:hover .hov{opacity:1}
.card .hov button{width:28px;height:28px;border-radius:7px;border:1px solid var(--line);background:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--ink);padding:0}
.card .hov button:hover{color:var(--blue);border-color:var(--blue)}
.card .hov button.del:hover{color:var(--red);border-color:var(--red)}
.card .hov svg{width:15px;height:15px}
.card .rotb{position:absolute;bottom:30px;right:10px;background:var(--orange);color:#1d1a12;font-size:10px;font-weight:700;border-radius:4px;padding:1px 5px}
.card.pending{cursor:default}
.card.pending .thumb{flex-direction:column;gap:10px;color:var(--muted);font-size:12px;text-align:center;padding:0 8px}
.card.failed .thumb{color:var(--red)}
.card.failed .thumb button{margin-top:4px}
.drop-marker{position:absolute;width:4px;border-radius:3px;background:var(--orange);box-shadow:0 0 0 3px rgba(240,170,29,.25);pointer-events:none;z-index:5}
.drag-overlay{position:fixed;inset:0;z-index:60;background:rgba(0,92,161,.12);border:4px dashed var(--blue);display:flex;align-items:center;justify-content:center;pointer-events:none}
.drag-overlay div{background:var(--blue);color:#fff;font-weight:700;font-size:18px;padding:14px 26px;border-radius:12px}

/* Hộp thoại */
.modal{position:fixed;inset:0;z-index:80;background:rgba(10,25,40,.45);display:flex;align-items:center;justify-content:center}
.modal-card{background:#fff;border-radius:12px;padding:22px 22px 18px;width:min(440px,92vw);box-shadow:0 20px 50px rgba(0,0,0,.3)}
.modal-card h3{margin:0 0 10px;color:var(--blue);font-size:16px}
.modal-card p{margin:0 0 10px;line-height:1.55;font-size:13px}
.modal-card input[type=password],.modal-card input[type=text]{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;font:inherit}
.modal-card input:focus{outline:2px solid var(--blue)}
.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}

/* Xem lớn */
.viewer{position:fixed;inset:0;z-index:70;background:rgba(18,26,36,.94);display:flex;flex-direction:column}
.v-top{display:flex;align-items:center;gap:8px;padding:10px 16px;color:#fff;font-weight:600;font-size:13px}
.v-stage{flex:1;display:flex;align-items:center;justify-content:center;padding:8px 70px 22px;min-height:0;position:relative}
.v-stage canvas{max-width:100%;max-height:100%;background:#fff;box-shadow:0 10px 40px rgba(0,0,0,.5)}
.v-nav{position:absolute;top:50%;transform:translateY(-50%);width:46px;height:70px;border:0;border-radius:10px;background:rgba(255,255,255,.12);color:#fff;font-size:38px;cursor:pointer;z-index:2}
.v-nav:hover{background:rgba(255,255,255,.25)}
.v-nav.prev{left:12px}.v-nav.next{right:12px}
#vLoading{position:absolute}

/* Đang xử lý */
.busy{position:fixed;inset:0;z-index:90;background:rgba(10,25,40,.45);display:flex;align-items:center;justify-content:center}
.busy-card{background:#fff;border-radius:12px;padding:26px 30px;width:min(380px,90vw);text-align:center;font-weight:600}
.busy-card .spinner{margin:0 auto 14px}
.bar{height:8px;background:#e9eef3;border-radius:5px;overflow:hidden;margin-top:14px}
.bar i{display:block;height:100%;width:0;background:var(--orange);transition:width .2s}
.spinner{width:22px;height:22px;border:3px solid #dbe5ee;border-top-color:var(--blue);border-radius:50%;animation:spin .8s linear infinite}
.spinner.big{width:38px;height:38px;border-width:4px}
@keyframes spin{to{transform:rotate(360deg)}}

/* Thông báo */
.toasts{position:fixed;right:18px;bottom:18px;z-index:100;display:flex;flex-direction:column;gap:8px;max-width:380px}
.toast{background:#1f2b38;color:#fff;padding:11px 14px;border-radius:9px;font-size:13px;line-height:1.45;box-shadow:0 8px 24px rgba(0,0,0,.25);border-left:4px solid var(--blue);animation:tin .2s ease}
.toast.ok{border-left-color:#3fb950}.toast.warn{border-left-color:var(--orange)}.toast.bad{border-left-color:#ff5d52}
@keyframes tin{from{transform:translateY(8px);opacity:0}}

@media (max-width:900px){
  .layout{flex-direction:column}
  .side{width:100%;position:static;max-height:none}
  .toolbar{top:52px}
}