:root{
--blue:#0649EE;--navy:#06152B;--core:#063D9B;--gray:#85858D;--paper:#f5f7fb;--line:#dce4f0;
--text:#07152a;--muted:#66758b;--white:#fff;--danger:#b42318;
}
*{box-sizing:border-box}html{font-family:Montserrat,Inter,Segoe UI,Arial,sans-serif;background:var(--paper);color:var(--text)}
body{margin:0}a{color:inherit}.topbar{height:82px;background:var(--navy);color:white;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,4vw);border-bottom:1px solid rgba(255,255,255,.08);position:sticky;top:0;z-index:10}
.brand{display:flex;align-items:center;gap:18px}.brand img{width:210px;max-height:58px;object-fit:contain}.brand span{font-weight:700;border-left:1px solid rgba(255,255,255,.18);padding-left:18px}
.topbar nav{display:flex;align-items:center;gap:12px}.topbar nav a{text-decoration:none;padding:10px 12px;border-radius:10px;color:#dfe8f8}.topbar nav a:hover{background:rgba(255,255,255,.08)}.logout{color:#fff!important}
.shell{width:min(1180px,92vw);margin:0 auto;padding:46px 0 70px}.welcome{display:flex;justify-content:space-between;gap:40px;align-items:end;padding-bottom:28px}.welcome h1,.page-title h1{font-size:clamp(2rem,4vw,3.4rem);line-height:1.02;margin:.3rem 0 .7rem;letter-spacing:-.045em}.welcome p{font-size:1.05rem;color:var(--muted);max-width:760px;margin:0}
.eyebrow{font-size:.78rem;letter-spacing:.16em;font-weight:800;color:var(--blue)}.status{background:#eaf7ef;color:#176b38;border:1px solid #ccebd8;border-radius:999px;padding:10px 14px;font-weight:700;white-space:nowrap}.dot{display:inline-block;width:8px;height:8px;background:#20a35a;border-radius:50%;margin-right:7px}
.toolbar{display:grid;grid-template-columns:1fr 260px;gap:14px;margin:10px 0 28px}.searchbox{display:flex;align-items:center;gap:10px;background:white;border:1px solid var(--line);border-radius:14px;padding:0 16px}.searchbox span{font-size:1.5rem;color:var(--blue)}input,select,textarea{font:inherit;border:1px solid var(--line);border-radius:12px;padding:12px 13px;background:#fff;color:var(--text);width:100%}.searchbox input{border:0;outline:0;padding:14px 0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.file-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;box-shadow:0 10px 30px rgba(6,21,43,.05);display:flex;flex-direction:column;min-height:265px;transition:transform .15s ease,border-color .15s ease,box-shadow .15s ease}.file-card:hover{transform:translateY(-2px);border-color:#b9c9e7;box-shadow:0 14px 34px rgba(6,21,43,.09)}
.card-top{display:flex;justify-content:space-between;align-items:center}.file-icon{width:48px;height:48px;border-radius:14px;background:#eaf0ff;color:var(--blue);display:grid;place-items:center;font-size:.65rem;font-weight:900}.badge{font-size:.72rem;background:#fff6d9;color:#765900;border-radius:999px;padding:6px 9px;font-weight:800}.file-card h2{margin:18px 0 8px;font-size:1.15rem}.file-card p{color:var(--muted);line-height:1.45;flex:1;margin:0 0 16px}.meta{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:16px}.meta span{font-size:.72rem;background:#f2f5fa;border-radius:999px;padding:6px 8px;color:#4e617d}
.btn{border:0;border-radius:12px;padding:12px 16px;font-weight:800;text-decoration:none;display:inline-flex;justify-content:center;cursor:pointer}.btn.primary{background:var(--blue);color:white}.btn.primary:hover{filter:brightness(.95)}.full{width:100%}
.empty{background:#fff;border:1px dashed #c7d3e4;border-radius:18px;text-align:center;padding:65px 24px}.empty.compact{padding:35px}.empty-icon{font-size:3rem;color:var(--blue)}
.auth-page{min-height:100vh;background:radial-gradient(circle at 75% 20%,rgba(6,73,238,.18),transparent 32%),var(--navy);display:grid;place-items:center;padding:24px}.auth-card{width:min(460px,94vw);background:white;border-radius:22px;padding:34px;box-shadow:0 30px 80px rgba(0,0,0,.28)}.auth-logo{width:250px;max-width:80%;height:auto;margin-bottom:26px}.auth-card h1{font-size:2rem;margin:.35rem 0 .65rem}.auth-card form{display:grid;gap:10px;margin-top:22px}.auth-card label,.panel label{font-size:.82rem;font-weight:800;margin-top:3px}.muted{color:var(--muted)}.tiny{font-size:.76rem;color:var(--muted);line-height:1.45}.security-note{font-size:.78rem;color:#526783;border-top:1px solid var(--line);margin-top:22px;padding-top:16px}
.alert{padding:12px 14px;border-radius:12px;margin:16px 0;font-weight:700;font-size:.88rem}.alert.error{background:#fff1f0;color:#8e1b14;border:1px solid #f5c3bf}.alert.ok{background:#edf9f1;color:#176b38;border:1px solid #c9e8d3}
.admin-shell{padding-top:34px}.page-title{display:flex;justify-content:space-between;align-items:end;margin-bottom:22px}.admin-grid{display:grid;grid-template-columns:420px 1fr;gap:20px}.panel{background:white;border:1px solid var(--line);border-radius:18px;padding:22px}.panel h2{margin-top:0}.panel form{display:grid;gap:9px}.two{display:grid;grid-template-columns:1fr 1fr;gap:10px}.check{display:flex!important;gap:8px;align-items:center;margin:8px 0}.check input{width:auto}
.admin-list{display:grid;gap:10px}.admin-item{border:1px solid var(--line);border-radius:13px;padding:12px 14px;display:flex;justify-content:space-between;gap:15px;align-items:center}.admin-item strong{display:block}.admin-item span{display:block;color:var(--muted);font-size:.75rem;margin-top:4px}.admin-actions{display:flex;gap:6px}.admin-actions form{display:block}.mini{border:1px solid var(--line);background:white;border-radius:9px;padding:7px 9px;cursor:pointer}.mini.danger{color:var(--danger)}
@media(max-width:900px){.grid{grid-template-columns:repeat(2,1fr)}.admin-grid{grid-template-columns:1fr}.toolbar{grid-template-columns:1fr}.brand span{display:none}}
@media(max-width:620px){.topbar{height:70px;padding:0 16px}.brand img{width:165px}.topbar nav a{font-size:.8rem;padding:8px}.shell{padding-top:28px}.welcome{display:block}.status{display:inline-block;margin-top:18px}.grid{grid-template-columns:1fr}.welcome h1{font-size:2.35rem}.admin-item{align-items:flex-start;flex-direction:column}.two{grid-template-columns:1fr}.auth-card{padding:26px 22px}}

/* Centro de Descargas v0.2 */
.nav-upload{background:var(--blue);color:#fff!important;font-weight:800}.nav-upload:hover{background:#0b42cd!important}
.empty-cta{margin-top:10px}.panel-heading{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;margin-bottom:14px}.panel-heading h2{margin:.2rem 0 0}
.limit-pill,.count-pill{font-size:.72rem;font-weight:800;background:#eef3ff;color:#1643a3;border:1px solid #d7e1fb;border-radius:999px;padding:7px 10px;white-space:nowrap}
.dropzone{border:2px dashed #b9c9e7;border-radius:16px;background:#f8faff;min-height:148px;display:flex!important;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;cursor:pointer;transition:.15s ease;margin-bottom:4px}
.dropzone:hover,.dropzone.dragging{border-color:var(--blue);background:#eef3ff}.dropzone.has-file{border-color:#67b884;background:#f1fbf5}.dropzone input{position:absolute;opacity:0;pointer-events:none;width:1px;height:1px}.dropzone strong{font-size:1rem}.dropzone span{color:var(--muted);font-size:.84rem;margin-top:4px}.dropzone small{color:#365779;font-weight:700;margin-top:10px}.drop-icon{width:46px;height:46px;border-radius:14px;background:#e7eeff;color:var(--blue)!important;display:grid;place-items:center;font-size:1.5rem!important;font-weight:900;margin-bottom:10px!important}
.security-copy code{background:#eff3f8;padding:2px 5px;border-radius:5px}.files-panel{min-width:0}.admin-item{display:block;padding:14px}.admin-main{display:flex;gap:12px;align-items:flex-start}.admin-file-icon{width:44px;height:44px;flex:0 0 44px;border-radius:12px;background:#eaf0ff;color:var(--blue);display:grid;place-items:center;font-size:.62rem;font-weight:900}.admin-info{min-width:0;flex:1}.admin-info>span{overflow-wrap:anywhere}.admin-info p{font-size:.8rem;color:var(--muted);margin:7px 0 0;line-height:1.4}.admin-title-row{display:flex;gap:7px;align-items:center;flex-wrap:wrap}.state{display:inline-flex!important;font-size:.64rem!important;font-weight:800;border-radius:999px;padding:4px 7px;margin:0!important}.state.on{background:#eaf7ef;color:#176b38}.state.off{background:#f2f4f7;color:#5f6b7b}.state.missing{background:#fff1f0;color:#8e1b14}.admin-item.is-disabled{background:#fafbfc}.admin-item.is-disabled .admin-main{opacity:.72}.admin-actions{margin-top:12px;padding-top:10px;border-top:1px solid #edf1f6;align-items:center;flex-wrap:wrap}.mini{font-weight:700}.btn.secondary{background:#eef3ff;color:#1746b3}.btn.secondary:hover{background:#e0e9ff}
.action-menu{position:relative}.action-menu summary{list-style:none}.action-menu summary::-webkit-details-marker{display:none}.action-popover{position:absolute;right:0;top:38px;width:min(430px,86vw);background:#fff;border:1px solid var(--line);border-radius:15px;padding:16px;box-shadow:0 18px 50px rgba(6,21,43,.18);z-index:8}.action-popover form{display:grid;gap:8px}.action-popover hr{border:0;border-top:1px solid var(--line);margin:16px 0}.action-popover label{font-size:.76rem;font-weight:800}.action-popover input,.action-popover textarea,.action-popover select{padding:10px 11px}
@media(max-width:900px){.nav-upload{display:inline-flex}.action-popover{right:auto;left:0}}
@media(max-width:620px){.topbar nav{gap:4px}.topbar nav a{padding:7px 8px}.topbar nav a[href="admin.php"]{display:none}.nav-upload{font-size:.74rem!important}.panel-heading{display:block}.limit-pill,.count-pill{display:inline-block;margin-top:8px}.admin-actions{gap:5px}.action-popover{position:fixed;left:4vw;right:4vw;top:85px;width:92vw;max-height:78vh;overflow:auto}.dropzone{min-height:130px}}

/* Centro de Descargas v0.3 — carga por bloques contra 413 */
.upload-progress{margin-top:6px;border:1px solid #d7e1fb;background:#f7f9ff;border-radius:12px;padding:12px}.upload-progress[hidden]{display:none}.upload-progress-head{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:.78rem}.upload-progress-head span{font-weight:900;color:var(--blue)}.upload-progress-track{height:9px;background:#e2e8f3;border-radius:999px;overflow:hidden;margin:9px 0 7px}.upload-progress-bar{display:block;height:100%;width:0;background:var(--blue);border-radius:inherit;transition:width .18s ease}.upload-progress-detail{display:block;color:var(--muted);font-size:.72rem;line-height:1.35}.compact-progress{padding:10px;margin-top:4px}.upload-inline-error{padding:10px 12px;border-radius:10px;background:#fff1f0;color:#8e1b14;border:1px solid #f5c3bf;font-weight:700;font-size:.78rem}.upload-inline-error[hidden]{display:none}.is-uploading{opacity:.9}.is-uploading .dropzone{cursor:wait}

/* Centro de Descargas v0.4 — enlaces públicos de descarga directa */
.state.public{background:#e8f1ff;color:#0b47bd}.state.expired{background:#fff4e5;color:#8a4b08}.share-trigger{color:#0b47bd;border-color:#bfd0f3}.share-popover{width:min(520px,90vw)}.share-heading{margin-bottom:12px}.share-heading strong{font-size:.92rem}.share-heading p{margin:5px 0 0;color:var(--muted);font-size:.77rem;line-height:1.4}.public-link-row{display:grid;grid-template-columns:1fr auto;gap:7px;align-items:center}.public-link-row input{font-size:.74rem;padding:9px 10px;background:#f8faff}.copy-link{white-space:nowrap}.share-status{display:inline-flex;margin:8px 0 12px!important;padding:5px 8px;border-radius:999px;font-size:.68rem!important;font-weight:800}.share-status.active{background:#eaf7ef;color:#176b38}.share-status.expired{background:#fff4e5;color:#8a4b08}.alias-prefix{display:grid;grid-template-columns:auto 1fr;align-items:center;border:1px solid var(--line);border-radius:12px;background:#fff;overflow:hidden}.alias-prefix span{padding:0 0 0 11px;font-size:.8rem;font-weight:800;color:#60708a}.alias-prefix input{border:0;border-radius:0;outline:0}.share-danger-actions{display:flex;gap:8px;flex-wrap:wrap}.share-danger-actions form{display:block}.share-note{margin:12px 0 0}.share-note code{background:#eff3f8;padding:2px 5px;border-radius:5px}
@media(max-width:620px){.share-popover{position:fixed;left:4vw;right:4vw;top:85px;width:92vw;max-height:78vh;overflow:auto}.public-link-row{grid-template-columns:1fr}.copy-link{width:100%}}