:root{
  --bg:#0e1117;--panel:#141821;--panel-2:#191e28;--border:#262c38;--border-2:#313846;
  --text:#e8eaf0;--muted:#8d94a3;--accent:#2f6df6;--accent-2:#4d84ff;--accent-soft:rgba(47,109,246,.16);
  --ok:#22c55e;--warn:#f59e0b;--danger:#ef4444;--radius:12px;--radius-s:8px;
  --sidebar:248px;--details:380px;--font:-apple-system,BlinkMacSystemFont,"Inter","Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}html,body{height:100%}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font);font-size:14px;line-height:1.45;-webkit-font-smoothing:antialiased}
a{color:var(--accent-2)}.hidden{display:none!important}.muted{color:var(--muted)}.small{font-size:12px}
button,input,select{font:inherit;color:inherit}
code{background:var(--panel-2);padding:1px 6px;border-radius:5px;font-size:12px}
pre{background:#0a0d13;border:1px solid var(--border);border-radius:var(--radius-s);padding:12px 14px;font-size:12.5px;overflow:auto;white-space:pre-wrap;word-break:break-all;margin:6px 0 14px}

/* iconos (SVG inline por máscara) */
.ico{display:inline-block;width:18px;height:18px;background:currentColor;flex:none;
  -webkit-mask:var(--svg) center/contain no-repeat;mask:var(--svg) center/contain no-repeat;vertical-align:-4px}
.ico.big{width:56px;height:56px;opacity:.35}
.ico-folder{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'%3E%3Cpath d='M3 7a2 2 0 0 1 2-2h4l2 2h8a2 2 0 0 1 2 2v9a2 2 0 0 1-2 2H5a2 2 0 0 1-2-2z'/%3E%3C/svg%3E")}
.ico-upload{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 16V4m0 0 4 4m-4-4-4 4M4 17v2a1 1 0 0 0 1 1h14a1 1 0 0 0 1-1v-2'/%3E%3C/svg%3E")}
.ico-download{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M12 4v12m0 0 4-4m-4 4-4-4M4 17v2a1 1 0 0 0 1 1h14a1 1 0 0 0 1-1v-2'/%3E%3C/svg%3E")}
.ico-search{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-4-4'/%3E%3C/svg%3E")}
.ico-refresh{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M20 12a8 8 0 1 1-2.3-5.7M20 4v5h-5'/%3E%3C/svg%3E")}
.ico-grid{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2'%3E%3Crect x='4' y='4' width='6' height='6' rx='1'/%3E%3Crect x='14' y='4' width='6' height='6' rx='1'/%3E%3Crect x='4' y='14' width='6' height='6' rx='1'/%3E%3Crect x='14' y='14' width='6' height='6' rx='1'/%3E%3C/svg%3E")}
.ico-list{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M8 6h12M8 12h12M8 18h12M4 6h.01M4 12h.01M4 18h.01'/%3E%3C/svg%3E")}
.ico-file{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'%3E%3Cpath d='M6 3h8l5 5v13H6z'/%3E%3Cpath d='M14 3v5h5'/%3E%3C/svg%3E")}
.ico-video{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'%3E%3Crect x='3' y='6' width='13' height='12' rx='2'/%3E%3Cpath d='m16 10 5-3v10l-5-3z'/%3E%3C/svg%3E")}
.ico-audio{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M4 12v2M8 8v8M12 5v14M16 8v8M20 11v2'/%3E%3C/svg%3E")}
.ico-image{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='16' rx='2'/%3E%3Ccircle cx='9' cy='10' r='2'/%3E%3Cpath d='m21 16-5-5-8 8'/%3E%3C/svg%3E")}
.ico-doc{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 3h8l5 5v13H6z'/%3E%3Cpath d='M14 3v5h5M9 13h6M9 17h6'/%3E%3C/svg%3E")}
.ico-share{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M10 13a5 5 0 0 0 7.5.5l3-3a5 5 0 0 0-7-7l-1.5 1.5'/%3E%3Cpath d='M14 11a5 5 0 0 0-7.5-.5l-3 3a5 5 0 0 0 7 7l1.5-1.5'/%3E%3C/svg%3E")}
.invite-form{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}.invite-form input{flex:1;min-width:160px}
.user-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border);color:var(--text)}.user-row .n{flex:1;min-width:0}.user-row .n b{display:block}
.share-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border);color:var(--text)}.share-row .n{flex:1;min-width:0}.share-row .n b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.share-row.expired{opacity:.5}
.ico-gear{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23000' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M19.4 15a1.7 1.7 0 0 0 .3 1.8l.1.1a2 2 0 1 1-2.8 2.8l-.1-.1a1.7 1.7 0 0 0-1.8-.3 1.7 1.7 0 0 0-1 1.5V21a2 2 0 1 1-4 0v-.1a1.7 1.7 0 0 0-1.1-1.5 1.7 1.7 0 0 0-1.8.3l-.1.1a2 2 0 1 1-2.8-2.8l.1-.1a1.7 1.7 0 0 0 .3-1.8 1.7 1.7 0 0 0-1.5-1H3a2 2 0 1 1 0-4h.1a1.7 1.7 0 0 0 1.5-1.1 1.7 1.7 0 0 0-.3-1.8l-.1-.1a2 2 0 1 1 2.8-2.8l.1.1a1.7 1.7 0 0 0 1.8.3h.1a1.7 1.7 0 0 0 1-1.5V3a2 2 0 1 1 4 0v.1a1.7 1.7 0 0 0 1 1.5 1.7 1.7 0 0 0 1.8-.3l.1-.1a2 2 0 1 1 2.8 2.8l-.1.1a1.7 1.7 0 0 0-.3 1.8v.1a1.7 1.7 0 0 0 1.5 1H21a2 2 0 1 1 0 4h-.1a1.7 1.7 0 0 0-1.5 1z'/%3E%3C/svg%3E")}
.ico-play{--svg:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23000'%3E%3Cpath d='M8 5v14l11-7z'/%3E%3C/svg%3E")}

/* botones */
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:var(--radius-s);border:1px solid var(--border-2);background:var(--panel-2);cursor:pointer;white-space:nowrap}
.btn:hover{border-color:#3d4556;background:#1f2531}.btn:disabled{opacity:.45;cursor:default}
.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.primary:hover:not(:disabled){background:var(--accent-2)}
.btn.wide{width:100%;justify-content:center;padding:11px}.btn.small{padding:4px 10px;font-size:12.5px}
.icon-btn{background:none;border:0;cursor:pointer;color:var(--muted);padding:6px;border-radius:6px;font-size:15px}.icon-btn:hover{color:var(--text);background:var(--panel-2)}
.select{background:var(--panel-2);border:1px solid var(--border-2);border-radius:var(--radius-s);padding:8px 10px}
.seg{display:inline-flex;border:1px solid var(--border-2);border-radius:var(--radius-s);overflow:hidden}
.seg-btn{background:var(--panel-2);border:0;padding:7px 10px;cursor:pointer;color:var(--muted)}.seg-btn.active{background:var(--accent-soft);color:var(--accent-2)}

/* login */
.login{min-height:100%;display:grid;place-items:center;padding:24px}
.login-card{width:min(400px,100%);background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:32px}
.login-card h1{margin:24px 0 4px;font-size:22px}.login-card label{display:block;margin-top:16px;color:var(--muted);font-size:13px}
.login-card input{display:block;width:100%;margin-top:6px;padding:11px 12px;background:var(--bg);border:1px solid var(--border-2);border-radius:var(--radius-s)}
.login-card input:focus{outline:0;border-color:var(--accent)}.login-card .btn{margin-top:22px}
.error{color:var(--danger);min-height:1.2em;margin:12px 0 0}
.login-links{margin:14px 0 0;text-align:center;font-size:13px}.login-links a{color:var(--muted);text-decoration:none}.login-links a:hover{color:var(--accent-2);text-decoration:underline}
#forgot-done{margin-top:12px;color:var(--ok)}

/* layout */
.app{display:grid;grid-template-columns:var(--sidebar) 1fr var(--details);grid-template-rows:64px 1fr;height:100vh}
.sidebar{grid-row:1/3;background:var(--panel);border-right:1px solid var(--border);padding:16px;display:flex;flex-direction:column;gap:8px}
.brand{display:flex;align-items:center;gap:10px;padding:6px 8px;font-weight:700;font-size:19px}
.logo{width:34px;height:34px;flex:none;background:url("symbol.png") center/contain no-repeat}
nav{display:flex;flex-direction:column;gap:4px;margin-top:14px}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:10px;color:var(--text);text-decoration:none;font-weight:500}
.nav-item:hover{background:var(--panel-2)}.nav-item.active{background:var(--accent-soft);color:var(--accent-2)}
.nav-xfers{display:none}
.tree{flex:1;min-height:0;overflow:auto;margin:4px -6px 0;padding:0 6px;font-size:13px}
.tree-row{display:flex;align-items:center;gap:4px;padding:5px 6px 5px 0;border-radius:8px;color:var(--text);text-decoration:none;white-space:nowrap;cursor:pointer}
.tree-row:hover{background:var(--panel-2)}.tree-row.cur{background:var(--accent-soft);color:var(--accent-2)}
.tree-row .ico{width:15px;height:15px;opacity:.8;color:#7fa4ff}.tree-row .n{overflow:hidden;text-overflow:ellipsis;flex:1}
.tree-row .c{color:var(--muted);font-size:11px}
.tree-car{width:16px;height:16px;flex:none;display:grid;place-items:center;color:var(--muted);font-size:10px;border-radius:4px}
.tree-car:hover{color:var(--text);background:var(--border)}.tree-car.none{visibility:hidden}
.tree-kids{display:none}.tree-node.open>.tree-kids{display:block}.tree-node.open>.tree-row>.tree-car{transform:rotate(90deg)}
.tree-empty{color:var(--muted);font-size:12.5px;padding:8px 8px}
.nav-bottom{margin-top:auto;gap:2px;padding-bottom:6px;border-bottom:1px solid var(--border)}
.nav-bottom .nav-item{padding:8px 14px}.nav-bottom .ico{width:16px;height:16px}
.storage{padding:8px}.storage-label{color:var(--muted);font-size:13px;margin-bottom:8px}
.bar{height:6px;background:var(--border);border-radius:3px;overflow:hidden}.bar-fill{height:100%;width:0;background:var(--accent);border-radius:3px;transition:width .4s}
.storage-meta{display:flex;justify-content:space-between;margin-top:8px;font-size:12.5px;color:var(--muted)}

.topbar{grid-column:2/4;display:flex;align-items:center;gap:16px;padding:0 24px;border-bottom:1px solid var(--border);background:var(--bg)}
.menu-btn{display:none}
.search{flex:1;max-width:760px;display:flex;align-items:center;gap:10px;background:var(--panel);border:1px solid var(--border);border-radius:24px;padding:9px 16px;color:var(--muted)}
.search input{flex:1;background:none;border:0;outline:0;color:var(--text)}
.user{margin-left:auto;display:flex;align-items:center;gap:10px}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,#2f6df6,#7c3aed);display:grid;place-items:center;font-weight:700;font-size:13px;color:#fff}
.user-text{display:flex;flex-direction:column;line-height:1.2}.user-name{font-weight:600;font-size:13.5px}.user-company{font-size:12px;color:var(--muted)}

.main{padding:20px 28px 40px;overflow:auto}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:6px;color:var(--muted);font-size:13px;min-height:20px}
.crumbs a{color:var(--muted);text-decoration:none}.crumbs a:hover{color:var(--text)}.crumbs .cur{color:var(--text)}
.title-row{margin:8px 0 18px}.title-row h1{margin:0;font-size:26px;font-weight:700;letter-spacing:-.01em}
.toolbar{display:flex;align-items:center;gap:10px;margin-bottom:22px;flex-wrap:wrap}.spacer{flex:1}

/* grid */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(176px,1fr));gap:16px}
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;cursor:pointer;position:relative;user-select:none}
.card:hover{border-color:var(--border-2)}.card.selected{border-color:var(--accent);box-shadow:0 0 0 1px var(--accent)}
.card .thumb{height:112px;background:var(--panel-2);display:grid;place-items:center;position:relative}
.card .thumb .ico{width:44px;height:44px;opacity:.6}.card.kind-folder .thumb .ico{color:#7fa4ff;opacity:.9}
.card.kind-video .thumb{background:linear-gradient(160deg,#1b2233,#131824)}
.card .thumb .thumb-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .25s}.card .thumb .thumb-img.ok{opacity:1}
.card .thumb .play{z-index:1}
.card .thumb .play{position:absolute;right:8px;bottom:8px;background:rgba(0,0,0,.6);padding:3px 7px;border-radius:5px;font-size:11px}
.card .cap{padding:10px 12px 12px}.card .name{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card .sub{color:var(--muted);font-size:12.5px;margin-top:2px}
.card .chk{position:absolute;top:8px;left:8px;width:18px;height:18px;opacity:.45;cursor:pointer;accent-color:var(--accent);z-index:2}
.card:hover .chk,.card.selected .chk{opacity:1}
.select-all{display:inline-flex;align-items:center;gap:6px;color:var(--muted);font-size:13px;cursor:pointer;padding:0 4px}.select-all input{accent-color:var(--accent);width:16px;height:16px}

/* list */
.table{width:100%;border-collapse:collapse;background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden}
.table th,.table td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}
.table th{font-weight:500;color:var(--muted);font-size:12.5px}.table tr:last-child td{border-bottom:0}
.table tbody tr{cursor:pointer}.table tbody tr:hover{background:var(--panel-2)}.table tr.selected{background:var(--accent-soft)}
.table td.name{max-width:420px;overflow:hidden;text-overflow:ellipsis}.table .ico{margin-right:10px;opacity:.75}
.table input[type=checkbox]{accent-color:var(--accent);width:16px;height:16px}
.status{display:inline-flex;align-items:center;gap:6px}.status::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok)}
.status.ia::before{background:var(--warn)}

.empty{padding:60px 20px;text-align:center;color:var(--muted);border:1px dashed var(--border-2);border-radius:var(--radius)}

/* details */
.details{border-left:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;min-height:0;position:relative}
.details-empty,.details-body{padding:20px;overflow:auto;flex:1;min-height:0}
.details-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;text-align:center}
.close-details{position:absolute;top:12px;right:12px;display:none}
.preview{aspect-ratio:16/9;background:#000;border-radius:10px;overflow:hidden;display:grid;place-items:center;margin-bottom:16px}
.preview video,.preview img{width:100%;height:100%;object-fit:contain;display:block}
.preview audio{width:90%}.preview .ico{width:48px;height:48px;opacity:.5}.preview .nopreview{color:var(--muted);font-size:12.5px;text-align:center;padding:12px}
.file-name{font-size:17px;margin:0 0 8px;word-break:break-all}
.chips{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:16px}.chip{background:var(--panel-2);border:1px solid var(--border);border-radius:6px;padding:3px 9px;font-size:12px;color:var(--muted)}
.props{display:grid;grid-template-columns:auto 1fr;gap:9px 14px;margin:0 0 20px;font-size:13px}.props dt{color:var(--muted)}.props dd{margin:0;word-break:break-all}
.details .btn.wide+.btn.wide{margin-top:8px}

/* modal + toast */
.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:grid;place-items:center;padding:20px;z-index:50}
.modal-card{width:min(720px,100%);max-height:90vh;overflow:auto;background:var(--panel);border:1px solid var(--border-2);border-radius:16px;padding:28px;position:relative}
.modal-card h2{margin:0 0 6px}.modal-card h3{font-size:14px;margin:18px 0 4px}.close-modal{position:absolute;top:12px;right:12px}
.setting{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid var(--border)}
.setting-label{font-weight:500}.setting .select{min-width:200px}
.setting-adv{margin-top:14px}.setting-adv summary{cursor:pointer;color:var(--muted);font-size:13px;padding:8px 0}.setting-adv summary:hover{color:var(--text)}.setting-adv[open] summary{color:var(--text)}
.toast{position:fixed;left:50%;bottom:28px;transform:translateX(-50%);background:#222a38;border:1px solid var(--border-2);padding:10px 16px;border-radius:10px;z-index:60;box-shadow:0 10px 30px rgba(0,0,0,.4)}

@media (max-width:1180px){
  .app{grid-template-columns:var(--sidebar) 1fr}
  .details{position:fixed;top:0;right:0;bottom:0;width:min(420px,100%);z-index:40;transform:translateX(100%);transition:transform .25s;box-shadow:-10px 0 40px rgba(0,0,0,.5)}
  .details.open{transform:none}.close-details{display:block}.topbar{grid-column:2/3}
  .nav-xfers{display:flex}
}
@media (max-width:820px){
  .app{grid-template-columns:1fr}.topbar{grid-column:1/2}
  .sidebar{position:fixed;inset:0 auto 0 0;width:var(--sidebar);z-index:45;transform:translateX(-100%);transition:transform .25s}
  .sidebar.open{transform:none}.menu-btn{display:block}.user-text{display:none}.main{padding:16px}
  .grid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}
}

/* subidas */
.badge{background:var(--accent);color:#fff;font-size:11px;font-weight:700;border-radius:10px;padding:1px 7px;margin-left:auto}
.small-nav{font-size:12.5px;color:var(--muted);padding:8px 14px}
.dropzone{margin-top:22px;border:2px dashed var(--border-2);border-radius:var(--radius);padding:22px;display:flex;flex-direction:column;align-items:center;gap:6px;color:var(--muted);cursor:pointer}
.dropzone:hover{border-color:var(--accent);color:var(--text)}.dropzone .ico{width:28px;height:28px;color:var(--accent-2)}
.dragover{position:fixed;inset:0;background:rgba(14,17,23,.85);z-index:70;display:grid;place-items:center;text-align:center;font-size:18px;border:3px dashed var(--accent);pointer-events:none}
.dragover .ico{color:var(--accent-2);opacity:1}
.xfers{flex:none;border-top:1px solid var(--border);background:var(--panel);display:flex;flex-direction:column;max-height:50%}
.xfers-head{display:flex;align-items:center;gap:10px;padding:10px 12px 10px 16px;font-weight:600;border-bottom:1px solid var(--border);flex:none}
.xfers-head .route{margin-left:auto;font-weight:400}
.xfers-list{overflow:auto;min-height:0}.xfers.collapsed .xfers-list{display:none}
.xfer{display:grid;grid-template-columns:1fr auto;gap:4px 12px;padding:10px 16px;border-bottom:1px solid var(--border);font-size:13px}
.xfer:last-child{border-bottom:0}.xfer .n{font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.xfer .s{color:var(--muted);font-size:12px}
.xfer .bar{grid-column:1/3;margin-top:2px}.xfer.done .bar-fill{background:var(--ok)}.xfer.error .bar-fill{background:var(--danger)}
.xfer .x{color:var(--muted);cursor:pointer;background:none;border:0;font-size:14px}.xfer .x:hover{color:var(--danger)}
.xfer.error .s{color:var(--danger)}