:root{--bg: #f5f6f8;--card: #ffffff;--ink: #1d2433;--muted: #6b7385;--line: #e2e5eb;--brand: #2f6fde;--brand-ink: #ffffff;--brand-soft: #e8f0fd;--mine: #e9f7ef;--mine-ink: #1d7a46;--locked: #fff4e0;--locked-ink: #9a5b00;--danger: #c93a3a;--danger-soft: #fdecec;--shadow: 0 1px 2px rgba(20, 30, 50, .06), 0 4px 16px rgba(20, 30, 50, .06);--radius: 12px;color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #14171d;--card: #1d2129;--ink: #e8ebf1;--muted: #9aa2b2;--line: #2d333e;--brand: #6b9cf0;--brand-ink: #0d1424;--brand-soft: #1f2d47;--mine: #17301f;--mine-ink: #7fd6a2;--locked: #352a14;--locked-ink: #f0c070;--danger: #f07a7a;--danger-soft: #3a1d1d;--shadow: 0 1px 2px rgba(0, 0, 0, .4);color-scheme:dark}}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:Pretendard,Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif;font-size:15px;line-height:1.5}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}h1,h2,h3{margin:0 0 12px;line-height:1.3}code{background:var(--brand-soft);padding:1px 5px;border-radius:4px;font-size:.9em}.muted{color:var(--muted)}.small{font-size:13px}.warn{color:var(--locked-ink)}.row{display:flex;align-items:center}.between{justify-content:space-between}.gap{gap:8px}.wrap{flex-wrap:wrap}.ellipsis{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.center{min-height:100vh;display:grid;place-items:center;padding:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow);margin-bottom:12px}.narrow{width:100%;max-width:400px}.brand{font-size:22px;text-align:center}.btn{display:inline-flex;align-items:center;justify-content:center;gap:4px;min-height:36px;padding:6px 14px;border-radius:8px;border:1px solid var(--line);background:var(--card);color:var(--ink);font:inherit;font-size:14px;cursor:pointer;white-space:nowrap}.btn:hover:not(:disabled){border-color:var(--brand)}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink);font-weight:600}.btn-danger{color:var(--danger);border-color:var(--danger);background:var(--card)}.btn-danger:hover:not(:disabled){background:var(--danger-soft);border-color:var(--danger)}.btn-small{min-height:30px;padding:3px 10px;font-size:13px}.btn-block{width:100%;margin-top:8px}.btn-icon{width:36px;padding:0;font-size:18px;line-height:1}input,select{font:inherit;color:var(--ink);background:var(--card);border:1px solid var(--line);border-radius:8px;padding:7px 10px;min-height:36px}input:focus,select:focus,.btn:focus-visible{outline:2px solid var(--brand);outline-offset:1px}.field{display:grid;gap:4px;margin-bottom:12px}.field span{font-size:13px;color:var(--muted)}.field input{width:100%}.form-error{color:var(--danger);margin:4px 0 8px;font-size:14px}.tabs{display:flex;border-bottom:1px solid var(--line);margin-bottom:16px}.tab{flex:1;background:none;border:0;border-bottom:2px solid transparent;padding:8px;font:inherit;color:var(--muted);cursor:pointer}.tab.on{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:10px 16px;background:var(--card);border-bottom:1px solid var(--line)}.brand-link{font-weight:700;font-size:17px;color:var(--ink)}.nav{display:flex;gap:4px;flex-wrap:wrap}.nav-link{padding:6px 10px;border-radius:8px;color:var(--muted)}.nav-link:hover{text-decoration:none;background:var(--bg)}.nav-link.on{color:var(--brand);background:var(--brand-soft);font-weight:600}.badge{display:inline-block;min-width:18px;margin-left:4px;padding:0 5px;border-radius:9px;background:var(--locked-ink);color:var(--card);font-size:12px;text-align:center}.me{margin-left:auto;display:flex;align-items:center;gap:6px}.me-name{font-weight:600}.tag{margin-left:4px;padding:0 6px;border-radius:6px;background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600}.banner{padding:10px 16px;background:var(--mine);color:var(--mine-ink);border-bottom:1px solid var(--line);font-size:14px}.banner-warn{background:var(--locked);color:var(--locked-ink)}.keep{border:1px solid var(--line);border-radius:8px;margin:12px 0;padding:8px 12px;display:grid;gap:6px}.keep legend{font-size:13px;color:var(--muted);padding:0 4px}.keep label{display:flex;align-items:center;gap:8px;cursor:pointer}.keep input[type=radio]{min-height:0;margin:0;padding:0;flex:none}.setup-note{margin-bottom:16px;padding:10px 12px;border-radius:8px;background:var(--brand-soft);font-size:14px}.add-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:0 12px}@media (max-width: 640px){.add-grid{grid-template-columns:1fr}}.backup-folder{margin-top:8px}.main{max-width:1000px;margin:0 auto;padding:16px}.drive{position:relative;min-height:60vh}.crumbs{font-size:15px;margin-bottom:12px;display:flex;flex-wrap:wrap;align-items:center}.crumb-sep{margin:0 6px;color:var(--muted)}.toolbar{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-bottom:12px}.search{width:220px}.section-title{font-size:17px;margin:20px 0 8px}.list{list-style:none;margin:0 0 8px;padding:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:visible}.item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-bottom:1px solid var(--line)}.item:last-child{border-bottom:0}.item-mine{background:var(--mine)}.item-locked{background:var(--locked)}.item-icon{font-size:22px;width:28px;text-align:center;flex:none}.item-main{flex:1;min-width:0}.item-link{color:var(--ink);font-weight:600}.item-name{font-weight:600;overflow-wrap:anywhere}.item-meta{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:13px;color:var(--muted)}.item-path{font-size:13px}.item-actions{display:flex;align-items:center;gap:6px;flex:none}.pill{padding:0 8px;border-radius:10px;background:var(--brand-soft);color:var(--brand);font-weight:600;font-size:12px}.pill-mine{background:var(--card);color:var(--mine-ink)}.pill-locked{background:var(--card);color:var(--locked-ink)}.pill-stale{outline:1px solid var(--locked-ink)}.empty{padding:24px 14px;text-align:center;color:var(--muted)}.hint{margin-top:12px}.menu{position:relative}.menu-pop{position:absolute;right:0;top:calc(100% + 4px);z-index:20;min-width:170px;padding:4px;background:var(--card);border:1px solid var(--line);border-radius:10px;box-shadow:var(--shadow);display:grid}.menu-pop button{text-align:left;background:none;border:0;padding:8px 10px;border-radius:6px;font:inherit;font-size:14px;color:var(--ink);cursor:pointer}.menu-pop button:hover{background:var(--bg)}.menu-pop .danger{color:var(--danger)}.drive.dragging .list{outline:2px dashed var(--brand);outline-offset:4px}.drop-hint{position:fixed;left:50%;bottom:24px;transform:translate(-50%);padding:10px 18px;border-radius:20px;background:var(--brand);color:var(--brand-ink);font-weight:600;pointer-events:none}.progress{position:fixed;right:16px;bottom:16px;z-index:30;width:min(320px,calc(100vw - 32px));padding:12px 14px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}.progress-bar{height:6px;margin:6px 0;border-radius:3px;background:var(--line);overflow:hidden}.progress-bar div{height:100%;background:var(--brand);transition:width .2s}.backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:grid;place-items:center;padding:16px;background:#0a0f1973}.modal{width:100%;max-width:440px;max-height:calc(100vh - 32px);overflow:auto;padding:20px;background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow)}.modal-wide{max-width:600px}.modal-title{font-size:18px}.modal-body p{margin:0 0 10px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}.versions{list-style:none;padding:0;margin:0}.version{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 0;border-bottom:1px solid var(--line)}.version-now{background:var(--brand-soft);margin:0 -8px;padding:10px 8px;border-radius:8px}.summary{padding-left:0;list-style:none;display:grid;gap:8px}.toasts{position:fixed;left:50%;bottom:20px;transform:translate(-50%);z-index:50;display:grid;gap:8px;width:min(480px,calc(100vw - 32px))}.toast{padding:10px 14px;border-radius:10px;background:var(--ink);color:var(--bg);box-shadow:var(--shadow);font-size:14px}.toast-error{background:var(--danger);color:#fff}.help ol{padding-left:20px}.help li{margin-bottom:4px}.help .card p:last-child{margin-bottom:0}@media (max-width: 640px){.topbar{gap:8px}.me{margin-left:0;width:100%}.item{flex-wrap:wrap}.item-actions{width:100%;justify-content:flex-end}.search{width:100%}.toolbar>.row{width:100%}}