:root{color:#1b1c1f;background:#f6f7f9;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}body{margin:0;min-width:320px}button,input{font:inherit}.app-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:32px 0}.topbar,.admin-panel,.login-panel,.list-heading,.file-main,.actions,.topbar-actions,.key-field,.expiry-field,.link-box,.expired,.signed-in,.login-button{display:flex;align-items:center}.topbar{justify-content:space-between;gap:16px;margin-bottom:20px}.eyebrow{margin:0 0 6px;color:#5f6876;font-size:.78rem;font-weight:700;letter-spacing:0;text-transform:uppercase}h1,h2,h3,p{margin:0}h1{font-size:clamp(2rem,6vw,4.25rem);line-height:.95;letter-spacing:0}.admin-panel{justify-content:space-between;gap:16px;margin-bottom:18px}.topbar-actions,.login-panel{gap:10px}.login-panel{width:min(560px,100%);align-items:stretch;margin-bottom:18px}.key-field{min-height:46px;width:min(460px,100%);gap:10px;border:1px solid #d9dee7;border-radius:8px;background:#fff;padding:0 13px}.key-field input,.expiry-field input{min-width:0;width:100%;border:0;outline:0;background:transparent;color:#1b1c1f}.login-button{min-height:46px;justify-content:center;gap:8px;border:1px solid #2f855a;border-radius:8px;background:#2f855a;color:#fff;cursor:pointer;font-weight:800;padding:0 16px}.login-button:disabled{cursor:not-allowed;opacity:.55}.upload-zone-busy{cursor:default}.upload-zone-success{border-color:#2f855a;background:#f3faf6;cursor:default}.upload-zone-error{border-color:#f04438;background:#fff5f5;cursor:default}.upload-actions{grid-column:1 / -1;display:flex;gap:10px}.upload-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border:1px solid #2f855a;border-radius:8px;background:#2f855a;color:#fff;cursor:pointer;font-weight:800;padding:0 18px}.upload-button:hover{background:#276749;border-color:#276749}.signed-in{min-height:46px;gap:10px;color:#344054;font-weight:700}.stats{display:flex;gap:10px;color:#3f4856;font-weight:700}.stats span{border:1px solid #d9dee7;border-radius:8px;background:#fff;padding:10px 12px}.upload-zone{position:relative;display:grid;grid-template-columns:auto 1fr;gap:16px;min-height:142px;border:1px dashed #98a2b3;border-radius:8px;background:#fff;padding:24px;cursor:pointer}.upload-zone input{display:none}.upload-zone h2,.file-list h2{font-size:1.2rem;letter-spacing:0}.upload-zone p,.file-row p,.empty-state{color:#667085}.progress-track{grid-column:1 / -1;height:8px;overflow:hidden;border-radius:999px;background:#eceff3}.progress-track span{display:block;height:100%;border-radius:inherit;background:#2f855a;transition:width .18s ease}.error{margin:14px 0 0;color:#b42318;font-weight:700}.file-list{margin-top:26px}.list-heading{justify-content:space-between;margin-bottom:12px}.file-list-header{display:grid;grid-template-columns:minmax(220px,1.2fr) minmax(210px,.65fr) minmax(260px,1fr) auto;gap:12px;margin-bottom:8px;padding:0 14px;color:#5f6876;font-size:.78rem;font-weight:700}.file-list-header span:last-child{text-align:right}.file-row{position:relative;display:grid;grid-template-columns:minmax(220px,1.2fr) minmax(210px,.65fr) minmax(260px,1fr) auto;align-items:center;gap:12px;min-height:86px;border:1px solid #d9dee7;border-radius:8px;background:#fff;padding:14px}.file-row+.file-row{margin-top:10px}.file-main{min-width:0;gap:12px}.file-main h3{overflow-wrap:anywhere;font-size:1rem;letter-spacing:0}.expiry-field,.link-box{min-width:0;min-height:40px;gap:8px;border:1px solid #e1e5ec;border-radius:8px;padding:0 10px}.link-box-content{display:grid;gap:2px;min-width:0}.link-url{min-width:0;overflow:hidden;color:#475467;text-overflow:ellipsis;white-space:nowrap}.link-expiry{color:#667085;font-size:.78rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.actions{gap:8px;justify-content:flex-end}.icon-button{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;flex:0 0 40px;border:1px solid #d9dee7;border-radius:8px;background:#fff;color:#344054;cursor:pointer}.icon-button:hover{background:#eef6f2;border-color:#a7c7b5}.icon-button:disabled{cursor:not-allowed;opacity:.5}.icon-button.danger:hover{background:#fff1f0;border-color:#f4aaa3;color:#b42318}.expired{position:absolute;right:14px;bottom:-10px;gap:4px;border:1px solid #f4aaa3;border-radius:999px;background:#fff;color:#b42318;font-size:.76rem;font-weight:800;padding:2px 8px}.empty-state{border:1px solid #d9dee7;border-radius:8px;background:#fff;padding:24px}.share-panel{display:grid;gap:20px;border:1px solid #d9dee7;border-radius:12px;background:#fff;padding:28px}.share-file{display:flex;align-items:center;gap:16px}.share-file h2{font-size:1.35rem;margin-bottom:6px}.share-message{color:#5f6876}.share-expiry{display:inline-flex;align-items:center;gap:8px;color:#475467;font-size:.92rem}.download-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:fit-content;border:1px solid #0f6b43;border-radius:8px;background:#0f6b43;color:#fff;padding:12px 18px;text-decoration:none;font-weight:700}.download-button:hover{background:#0c5736;border-color:#0c5736}.confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:grid;place-items:center;background:#1b1c1f73;padding:20px}.confirm-dialog{width:min(440px,100%);border:1px solid #d9dee7;border-radius:12px;background:#fff;padding:24px;box-shadow:0 18px 48px #1b1c1f2e}.confirm-dialog h2{font-size:1.2rem;margin-bottom:10px}.confirm-dialog p{color:#667085;line-height:1.5}.confirm-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:20px}.confirm-cancel-button,.confirm-delete-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;border-radius:8px;cursor:pointer;font-weight:700;padding:0 16px}.confirm-cancel-button{border:1px solid #d9dee7;background:#fff;color:#344054}.confirm-cancel-button:hover:not(:disabled){background:#f6f7f9}.confirm-delete-button{border:1px solid #b42318;background:#b42318;color:#fff}.confirm-delete-button:hover:not(:disabled){background:#912018;border-color:#912018}.confirm-cancel-button:disabled,.confirm-delete-button:disabled{cursor:not-allowed;opacity:.55}@media(max-width:900px){.admin-panel,.login-panel,.topbar{align-items:stretch;flex-direction:column}.topbar-actions{justify-content:flex-start}.stats{flex-wrap:wrap}.file-list-header,.file-row{grid-template-columns:1fr}.file-list-header{display:none}.actions{justify-content:flex-start}}@media(max-width:520px){.app-shell{width:min(100% - 20px,1180px);padding:20px 0}.upload-zone{grid-template-columns:1fr;padding:18px}.stats span{flex:1 1 auto}}