:root{--bg:#f7f7f5;--bg-pattern:#dcdcd5;--surface:#fff;--surface-hover:#fafaf8;--surface-soft:#f1f1ed;--border:#e7e6e1;--border-strong:#d4d3cc;--text:#0a0a0a;--text-muted:#6b6b66;--text-subtle:#9a9a93;--accent:#0a0a0a;--accent-hover:#2a2a2a;--accent-on:#fff;--danger:#dc2626;--danger-soft:#fef2f2;--success:#16a34a;--success-soft:#f0fdf4;--warn:#d97706;--shadow-sm:0 1px 2px hsla(0,0%,6%,.04);--shadow-md:0 4px 16px hsla(0,0%,6%,.06);--radius:14px;--radius-sm:8px;--radius-pill:999px}*{box-sizing:border-box;margin:0;padding:0}body,html{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Inter,SF Pro Text,Segoe UI,Roboto,Helvetica Neue,sans-serif;font-size:14px;line-height:1.55;letter-spacing:-.005em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}body{background-image:radial-gradient(circle,var(--bg-pattern) 1px,transparent 1px);background-size:22px 22px;background-attachment:fixed}h1,h2,h3,h4{letter-spacing:-.018em;font-weight:600}a,h1,h2,h3,h4{color:var(--text)}a{text-decoration:none;border-bottom:1px solid transparent;transition:border-color .15s ease,color .15s ease}a:hover{border-bottom-color:var(--text)}button{background:var(--accent);color:var(--accent-on);border:1px solid var(--accent);padding:9px 18px;border-radius:var(--radius-pill);font-size:13px;cursor:pointer;font-weight:500;letter-spacing:-.005em;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .05s ease;font-family:inherit}button:hover{background:var(--accent-hover);border-color:var(--accent-hover)}button:active{transform:translateY(.5px)}button:disabled{opacity:.45;cursor:not-allowed}button.secondary{background:var(--surface);border:1px solid var(--border-strong);color:var(--text)}button.secondary:hover{background:var(--surface-hover);border-color:var(--text)}button.ghost{background:transparent;border-color:transparent;color:var(--text)}button.ghost:hover{background:var(--surface-soft);border-color:var(--surface-soft)}button.danger{background:var(--surface);border:1px solid var(--border-strong);color:var(--danger)}button.danger:hover{background:var(--danger-soft);border-color:var(--danger)}input,select,textarea{background:var(--surface);border:1px solid var(--border-strong);color:var(--text);padding:10px 14px;border-radius:var(--radius-sm);font-size:14px;width:100%;font-family:inherit;transition:border-color .15s ease,box-shadow .15s ease}input::placeholder,textarea::placeholder{color:var(--text-subtle)}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--text);box-shadow:0 0 0 3px hsla(0,0%,4%,.06)}label{font-size:12px;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em}.container{max-width:1120px;margin:0 auto;padding:32px 24px 64px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:border-color .15s ease,box-shadow .15s ease,transform .1s ease}.card.interactive{cursor:pointer}.card.interactive:hover{border-color:var(--border-strong);box-shadow:var(--shadow-md)}.card.dark{background:var(--accent);color:var(--accent-on);border-color:var(--accent)}.card.dark .muted{color:hsla(0,0%,100%,.65)}.nav{justify-content:space-between;padding:14px 28px;border-bottom:1px solid var(--border);background:hsla(0,0%,100%,.85);backdrop-filter:saturate(180%) blur(12px);-webkit-backdrop-filter:saturate(180%) blur(12px);position:-webkit-sticky;position:sticky;top:0;z-index:50}.nav,.nav .brand{display:flex;align-items:center}.nav .brand{gap:10px;font-size:17px;font-weight:600;letter-spacing:-.02em}.nav .brand a{border:none}.nav .brand-mark{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;background:var(--accent);color:var(--accent-on);border-radius:8px}.nav .user{color:var(--text-muted);font-size:13px;padding-right:4px}.row{gap:12px;align-items:center}.col,.row{display:flex}.col{flex-direction:column;gap:14px}.muted{color:var(--text-muted);font-size:13px}.subtle{color:var(--text-subtle);font-size:12px}.page-header{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;margin-bottom:28px;flex-wrap:wrap}.page-header h2{font-size:28px;font-weight:600;letter-spacing:-.025em}.page-header .eyebrow{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px}table{width:100%;border-collapse:collapse}td,th{text-align:left;padding:12px 14px;border-bottom:1px solid var(--border)}tr:last-child td{border-bottom:none}th{color:var(--text-muted);font-weight:500;font-size:11px;text-transform:uppercase;letter-spacing:.08em}tbody tr:hover{background:var(--surface-hover)}.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 10px;border-radius:var(--radius-pill);font-size:12px;font-weight:500;background:var(--surface);border:1px solid var(--border-strong);color:var(--text)}.badge:before{content:"";width:6px;height:6px;border-radius:50%;background:var(--text-muted)}.badge.active:before,.badge.admin:before{background:var(--success)}.badge.viewer:before{background:var(--text-subtle)}.badge.expired{color:var(--danger);border-color:var(--danger)}.badge.expired:before{background:var(--danger)}.badge.dark{background:var(--accent);color:var(--accent-on);border-color:var(--accent)}.badge.dark:before{background:hsla(0,0%,100%,.85)}.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;text-align:center;box-shadow:var(--shadow-sm)}.stat-card.dark{background:var(--accent);color:var(--accent-on);border-color:var(--accent)}.stat-card .value{font-size:32px;font-weight:600;letter-spacing:-.03em;line-height:1.1}.stat-card .label{font-size:10px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.12em;margin-top:6px}.stat-card.dark .label{color:hsla(0,0%,100%,.6)}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:14px;gap:14px}.dropzone{border:1px dashed var(--border-strong);background:var(--surface);transition:border-color .15s ease,background .15s ease}.dropzone-active{border-color:var(--accent);background:var(--surface-soft)}.upload-item{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:12px 14px;font-size:13px}.segmented{display:inline-flex;background:var(--surface-soft);border:1px solid var(--border);border-radius:var(--radius-pill);padding:3px;gap:2px}.segmented button{background:transparent;color:var(--text-muted);border:1px solid transparent;padding:5px 14px;font-size:12px;font-weight:500;border-radius:var(--radius-pill)}.segmented button:hover{background:rgba(0,0,0,.04);border-color:transparent}.segmented button.active{background:var(--accent);color:var(--accent-on);border-color:var(--accent)}.segmented button.active:hover{background:var(--accent-hover)}input[type=checkbox].cb{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:16px;height:16px;margin:0;padding:0;border:1.5px solid var(--border-strong);border-radius:4px;background:var(--surface);cursor:pointer;position:relative;display:inline-block;vertical-align:middle;transition:background .15s ease,border-color .15s ease;flex:0 0 auto}input[type=checkbox].cb:hover{border-color:var(--text)}input[type=checkbox].cb:checked,input[type=checkbox].cb:indeterminate{background:var(--accent);border-color:var(--accent)}input[type=checkbox].cb:focus-visible{outline:none;box-shadow:0 0 0 3px hsla(0,0%,4%,.12)}input[type=checkbox].cb:checked:after{content:"";position:absolute;left:4px;top:1px;width:4px;height:8px;border:solid #fff;border-width:0 1.8px 1.8px 0;transform:rotate(45deg)}input[type=checkbox].cb:indeterminate:after{content:"";position:absolute;left:3px;right:3px;top:6px;height:1.8px;background:#fff;border-radius:1px}input[type=checkbox].cb:disabled{opacity:.5;cursor:not-allowed}tr.row-selected,tr.row-selected:hover{background:var(--surface-soft)}.progress{width:100%;height:4px;background:var(--border);border-radius:2px;overflow:hidden}.progress-bar{height:100%;background:var(--accent);transition:width .2s ease}.progress-bar-error{background:var(--danger)}.empty{border:1px dashed var(--border-strong);border-radius:var(--radius);padding:48px 24px;text-align:center;background:var(--surface)}.empty .title{font-size:16px;font-weight:500;margin-bottom:4px}.breadcrumb{flex-wrap:wrap;min-width:0}.breadcrumb,.breadcrumb-segment{display:inline-flex;align-items:center;gap:2px}.breadcrumb-item{background:transparent;border:1px solid transparent;color:var(--text-muted);padding:4px 8px;border-radius:var(--radius-sm);font-size:14px;font-weight:500;letter-spacing:-.005em;max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.breadcrumb-item:hover:not(:disabled){background:var(--surface-soft);border-color:var(--surface-soft);color:var(--text)}.breadcrumb-item:disabled{color:var(--text);cursor:default;opacity:1}.breadcrumb-sep{color:var(--text-subtle);font-size:13px;padding:0 2px;-webkit-user-select:none;-moz-user-select:none;user-select:none}.file-link,.folder-link{display:inline-flex;align-items:center;gap:10px;background:transparent;padding:0;color:var(--text);font-size:14px;font-weight:500;cursor:pointer;text-align:left;letter-spacing:-.005em;border:none;border-bottom:1px solid transparent;transition:border-color .15s ease}.file-link:hover,.folder-link:hover{border-bottom-color:var(--text)}.folder-link svg{color:var(--text-muted);flex:0 0 auto}.file-link svg{color:var(--text-subtle);flex:0 0 auto}.row-folder td{background:transparent}.row-folder:hover td{background:var(--surface-hover)}.file-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));grid-gap:12px;gap:12px;padding:20px 24px 24px}.grid-tile{position:relative;display:flex;flex-direction:column;align-items:center;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 12px 14px;cursor:pointer;color:var(--text);font-family:inherit;transition:border-color .15s ease,box-shadow .15s ease,background .15s ease;min-width:0}.grid-tile:hover{border-color:var(--border-strong);background:var(--surface-hover);box-shadow:var(--shadow-sm)}.grid-tile-folder{letter-spacing:-.005em}.grid-tile-folder .grid-tile-icon{color:var(--text-muted)}.grid-tile-file .grid-tile-icon{color:var(--text-subtle)}.grid-tile-icon{display:flex;align-items:center;justify-content:center;width:56px;height:56px;margin-bottom:10px}.grid-tile-name{font-size:13px;font-weight:500;width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.3}.grid-tile-meta{font-size:11px;color:var(--text-muted);margin-top:4px}.grid-tile-selected{background:var(--surface-soft)}.grid-tile-selected,.grid-tile-selected:hover{border-color:var(--accent)}.grid-tile-body{display:flex;flex-direction:column;align-items:center;text-align:center;width:100%;color:inherit;border:none}.grid-tile-body:hover{border:none}.grid-tile-select{position:absolute;top:8px;left:8px;opacity:0;transition:opacity .15s ease}.grid-tile-selected .grid-tile-select,.grid-tile:hover .grid-tile-select{opacity:1}[data-amplify-authenticator]{--amplify-colors-background-primary:var(--surface);--amplify-colors-brand-primary-80:var(--accent);--amplify-colors-brand-primary-90:var(--accent-hover);--amplify-colors-brand-primary-100:var(--accent-hover);--amplify-colors-font-interactive:var(--accent);--amplify-components-button-primary-background-color:var(--accent);--amplify-components-button-primary-hover-background-color:var(--accent-hover);--amplify-fonts-default-static:inherit;--amplify-fonts-default-variable:inherit;font-family:inherit!important;display:flex;justify-content:center;align-items:center;min-height:100vh;padding:24px}