:root{color-scheme:light;--ink:#173b38;--sub:#526660;--line:#d8e2dc;--bg:#f6f8f7;--surface:#fff;--soft:#edf3ef;--accent:#245c45;--danger:#9c342d;--z-sticky:10;--z-toast:40}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}main{max-width:1320px;margin:auto;padding:0 36px}h1,h2,h3,p{margin-top:0}h1{font-size:30px;line-height:1.2;letter-spacing:-.025em;margin-bottom:10px}h2{font-size:21px;line-height:1.3;margin-bottom:12px;letter-spacing:-.015em}h3{font-size:16px;margin-bottom:8px}h1,h2,h3{text-wrap:balance}p{max-width:70ch;text-wrap:pretty}a{color:var(--accent)}button,input{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:42px;padding:9px 15px;border:1px solid var(--line);border-radius:8px;background:var(--surface);color:var(--ink);text-decoration:none;cursor:pointer;font-weight:550;transition:background .16s ease,border-color .16s ease;touch-action:manipulation}button:hover,.button:hover{background:var(--soft);border-color:#a8bfb1}button:active,.button:active{background:#dce9e0}button:disabled{opacity:.48;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ad741c;outline-offset:3px}.primary{background:var(--accent);color:#fff;border-color:var(--accent)}.primary:hover{background:#193f30;border-color:#193f30}input{min-height:44px;border:1px solid #b8c9be;border-radius:8px;background:#fff;color:var(--ink);padding:10px 12px;min-width:0}input::placeholder{color:#596d64;opacity:1}.muted,.meta,.file-help{color:var(--sub)}small{font-size:13px;color:var(--sub);display:block}.tag{display:inline-flex;padding:4px 10px;background:var(--soft);border-radius:6px;font-size:13px;font-weight:600}.skip-link{position:fixed;top:-80px;left:16px;background:white;padding:12px;z-index:var(--z-toast)}.skip-link:focus{top:12px}
header{min-height:85px;display:flex;align-items:center;gap:20px;border-bottom:1px solid var(--line)}.brand{display:inline-flex;gap:10px;align-items:center;font-size:23px;font-weight:750;letter-spacing:-.6px;text-decoration:none;color:var(--ink)}.brand-mark{display:grid;place-items:center;width:34px;height:34px;color:#fff;background:var(--accent);border-radius:9px;font-size:25px}.private{color:var(--sub);font-size:13px}#identity{margin-left:auto;font-size:13px;color:var(--sub);max-width:35%;overflow-wrap:anywhere}header #logout{margin-left:auto}#identity:not([hidden])+#logout{margin-left:0}
.login-layout{display:grid;grid-template-columns:minmax(0,1fr) 420px;gap:90px;max-width:1060px;margin:72px auto 80px;align-items:center}.login-intro h1{font-size:42px;margin:20px 0;line-height:1.15}.login-intro>p{font-size:17px;color:var(--sub)}.steps{padding-left:22px;margin:30px 0;display:grid;gap:14px;font-size:15px}.steps li::marker{color:var(--accent);font-weight:700}.login-intro .privacy-note{font-size:13px;max-width:45ch}.login-card{background:white;border:1px solid var(--line);border-radius:14px;padding:30px;box-shadow:0 10px 40px #173b3808}.access-form{display:flex;flex-direction:column;gap:10px}.access-form h2{font-size:24px;margin:0}.access-form>p{font-size:14px;margin:0 0 12px}.access-form label{font-size:13px;font-weight:650}.access-form>.primary{margin-top:10px;min-height:46px}.secret-input{display:flex;border:1px solid #b8c9be;border-radius:8px;background:white;overflow:hidden}.secret-input input{border:0;border-radius:0;flex:1;width:100px}.secret-input button{border:0;border-radius:0;font-size:12px;padding:8px 10px}.secret-input:focus-within{outline:3px solid #ad741c;outline-offset:3px}.secret-input input:focus-visible{outline:0}.login-alternative{border-top:1px solid var(--line);margin-top:25px;padding-top:22px}.login-alternative p{font-size:14px;margin-bottom:10px}.login-alternative button{width:100%}.login-alternative small{margin-top:10px;text-align:center}
.app-shell{display:grid;grid-template-columns:215px minmax(0,1fr);gap:40px;min-height:calc(100vh - 180px);padding:32px 0 45px}.app-shell aside{position:sticky;top:24px;align-self:start}.app-shell nav#navigation{display:flex;flex-direction:column;gap:6px}#navigation button{justify-content:flex-start;text-align:left;border-color:transparent;background:transparent;font-size:14px;font-weight:550;padding:11px 12px;min-height:45px}#navigation button span{width:20px;font-size:18px;text-align:center}#navigation button:hover{background:var(--soft)}#navigation button[aria-pressed=true]{background:#e2eee6;color:#173f2a;font-weight:700}.sidebar-note{font-size:12px;line-height:1.7;color:var(--sub);margin:25px 12px}.workspace{min-width:0;outline:none}.heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:24px}.heading h1,.heading h2{margin-bottom:0}.context-line{font-size:13px;color:var(--sub);margin-bottom:7px}.storage-bar{display:flex;justify-content:space-between;align-items:center;gap:24px;border:1px solid var(--line);border-radius:10px;padding:18px 22px;background:white;margin-bottom:25px}.storage-bar>div{min-width:200px;max-width:330px;flex:1}.storage-bar span{font-size:12px;display:block}.storage-bar strong{font-size:14px;display:block;margin:2px 0 8px}progress{width:100%;height:5px;display:block;accent-color:var(--accent);border:0;border-radius:4px;overflow:hidden}progress::-webkit-progress-bar{background:#e7eeea}progress::-webkit-progress-value{background:var(--accent)}
.files{border:1px solid var(--line);border-radius:10px;background:white;overflow:hidden}.files:empty{display:none}.file{display:grid;grid-template-columns:38px minmax(0,1fr) auto;align-items:center;gap:14px;padding:18px;border-bottom:1px solid var(--line)}.file:last-child{border-bottom:0}.icon{display:grid;place-items:center;width:36px;height:43px;font-size:23px;color:#416e53;background:var(--soft);border-radius:6px}.filename{font-weight:650;font-size:14px;overflow-wrap:anywhere}.meta{font-size:12px;margin-top:5px}.actions{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.actions a{font-size:13px;text-underline-offset:3px}.actions button{min-height:34px;font-size:12px;padding:5px 9px}.delete{color:var(--danger);border-color:#e5c7c2}.delete:hover{background:#fff1ee;border-color:#cf9c93}.file-help{font-size:12px;margin:16px 0}.empty{padding:58px 24px;text-align:center;color:var(--sub);max-width:none}.empty>span{font-size:45px;color:#527a61;display:block;margin-bottom:12px}.empty h2{color:var(--ink)}.empty p{max-width:40ch;margin:0 auto}.pages{display:flex;align-items:center;justify-content:center;gap:18px;margin:25px 0 0}.pages span{font-size:12px;color:var(--sub)}.pages button{font-size:13px;min-height:36px;padding:6px 12px}
.settings-block{background:#fff;border:1px solid var(--line);border-radius:12px;padding:28px;max-width:760px}.settings-block>p{font-size:14px;color:var(--sub)}.account-login{font-weight:650;margin:20px 0 16px;overflow-wrap:anywhere}.settings-note{margin-top:25px;padding-top:20px;border-top:1px solid var(--line);max-width:760px;color:var(--sub);font-size:13px}.settings-note h3,.settings-note summary{color:var(--ink);font-weight:650}.settings-note summary{cursor:pointer;padding:4px 0}.settings-note p{margin:10px 0}#accessHelp{font-size:13px;margin:14px 0 0}#verifyAccount{margin-top:12px}.issued{background:var(--soft);border-radius:8px;padding:22px;margin-top:24px}.issued>p{font-size:13px;color:var(--sub)}dl{margin:18px 0}dl>div{display:flex;gap:20px;justify-content:space-between;margin:9px 0}dt{font-size:13px;color:var(--sub)}dd{margin:0;font-weight:700;overflow-wrap:anywhere;font-variant-numeric:tabular-nums}#issuedCode{font-size:22px;letter-spacing:.15em}
.folder-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(205px,1fr));gap:13px;margin-top:22px}.folder-card{display:flex;flex-direction:column;align-items:flex-start;text-align:left;padding:20px;overflow-wrap:anywhere;min-height:150px}.folder-card strong{font-size:14px}.folder-icon{font-size:28px;margin-bottom:10px}.back-button{font-size:13px;margin:14px 0 22px}.folder-heading{margin-bottom:18px}#folderTitle{font-size:21px;overflow-wrap:anywhere}#folderCount{font-size:13px;margin:5px 0 0}.user{display:grid;grid-template-columns:minmax(150px,1fr) 115px 80px auto;gap:12px;align-items:center;background:#fff;border:1px solid var(--line);border-radius:9px;padding:18px;margin:12px 0}.user strong{font-size:14px;overflow-wrap:anywhere}.user label{font-size:12px;color:var(--sub);display:flex;flex-direction:column;gap:5px}.user input[type=number]{width:100%;min-height:38px;font-size:13px;padding:7px}.user input[type=checkbox]{width:20px;height:20px;min-height:20px;accent-color:var(--accent);margin:4px 0}.user>button{font-size:12px;min-height:38px}.user>button:last-child{grid-column:1/-1;justify-self:start;background:transparent;font-size:12px;min-height:30px;padding:3px 0;border:0;color:var(--sub);text-decoration:underline;text-underline-offset:3px}.user>span.meta{grid-column:1/-1}
#device{width:min(440px,calc(100vw - 32px));border:1px solid var(--line);border-radius:14px;padding:26px;color:var(--ink);box-shadow:0 20px 70px #09282138}#device::backdrop{background:#09282170}.dialog-heading{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:16px}.dialog-heading h2{margin:0}.dialog-heading button{border:0;font-size:24px;padding:0 10px}.dialog-heading+p{font-size:14px;color:var(--sub)}#code{display:block;text-align:center;font-size:38px;letter-spacing:.18em;font-variant-numeric:tabular-nums;background:var(--soft);border-radius:8px;padding:13px;margin:18px 0}#device .button{display:flex}.waiting-line{font-size:13px;color:var(--accent);text-align:center;margin:18px 0 12px}.waiting-page{min-height:60vh;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}.waiting-page button{align-self:center}
#notice.toast{position:fixed;z-index:var(--z-toast);right:24px;bottom:24px;max-width:min(460px,calc(100vw - 32px));max-height:45vh;overflow:auto;margin:0;display:flex;align-items:flex-start;gap:16px;padding:16px 18px;background:#173b38;color:#fff;border:1px solid #42635f;border-radius:10px;box-shadow:0 8px 30px #173b3826;font-size:14px;animation:toast-in .18s ease-out}#noticeText{white-space:pre-wrap;overflow-wrap:anywhere;flex:1}#noticeClose{flex:none;border:0;background:transparent;color:#fff;padding:0 6px;min-height:26px;font-size:24px;line-height:1.1}#noticeClose:hover{background:#42635f}footer{display:flex;justify-content:space-between;gap:20px;border-top:1px solid var(--line);padding:20px 0;color:var(--sub);font-size:12px}footer span:first-child{font-weight:650}[hidden]{display:none!important}@keyframes toast-in{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:1000px){main{padding:0 24px}.app-shell{gap:24px;grid-template-columns:180px minmax(0,1fr)}.login-layout{gap:35px;grid-template-columns:1fr 390px}.user{grid-template-columns:1fr 105px 70px}.user>button{grid-column:1/-1;justify-self:start}.file{grid-template-columns:36px minmax(0,1fr)}.actions{grid-column:2}.storage-bar{align-items:flex-start;flex-direction:column;gap:15px}.storage-bar>div{width:100%;max-width:none}}
@media(max-width:720px){main{padding:0 18px}header{min-height:72px;gap:12px}.private{display:none}#identity{font-size:11px;max-width:40%}.brand{font-size:21px}.brand-mark{width:29px;height:29px;font-size:22px}header #logout{font-size:12px;min-height:36px;padding:6px 10px}.app-shell{display:block;padding-top:18px}.app-shell aside{position:static}.sidebar-note{display:none}#navigation{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:6px!important;border-bottom:1px solid var(--line);padding-bottom:16px;margin-bottom:26px}#navigation button{font-size:12px;min-height:42px;padding:8px}#navigation button span{font-size:16px;width:17px}.heading{gap:12px;align-items:flex-start;margin-bottom:20px}.heading h1{font-size:25px}.heading>button{font-size:12px;min-height:36px;padding:7px 10px;flex:none}.context-line{font-size:12px}.login-layout{display:block;max-width:420px;margin:34px auto}.login-intro h1{font-size:30px}.login-intro .tag,.steps,.login-intro .privacy-note{display:none}.login-intro>p{font-size:14px}.login-card{padding:23px;margin-top:25px}.access-form h2{font-size:22px}.storage-bar{padding:17px}.empty{padding:42px 15px}.file{padding:15px 12px;gap:11px}.actions{gap:10px}.filename{font-size:13px}.settings-block{padding:20px}.settings-block h2{font-size:19px}.issued{padding:16px}dl>div{flex-direction:column;gap:2px;margin:12px 0}.user{grid-template-columns:1fr 95px;gap:12px;padding:15px}.user strong{grid-column:1/-1}.user>button{grid-column:auto;justify-self:stretch}.user>button:last-child{grid-column:1/-1;justify-self:start}.folder-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.folder-card{padding:14px;min-height:140px}.folder-card strong{font-size:13px}.folder-card .meta{font-size:11px}.folder-heading{align-items:flex-start;flex-direction:column}#notice.toast{right:16px;bottom:calc(16px + env(safe-area-inset-bottom));left:16px;max-width:none}.pages{gap:12px}footer{font-size:11px;align-items:flex-start}footer span:last-child{max-width:60%;text-align:right}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}}

.folder-name-editor{margin:0 0 16px;max-width:700px}.folder-name-editor summary{cursor:pointer;font-size:13px;color:var(--accent);width:fit-content;padding:6px 0}.folder-name-editor form{margin-top:10px;padding:16px;border:1px solid var(--line);border-radius:8px;background:white}.folder-name-editor label{display:block;font-size:13px;font-weight:650;margin-bottom:7px}.folder-name-editor form>div{display:flex;gap:10px}.folder-name-editor input{flex:1;min-width:0}.folder-name-editor small{margin-top:9px}.folder-identity{font-size:12px;color:var(--sub);overflow-wrap:anywhere;margin-bottom:18px}#welcome{overflow-wrap:anywhere}
@media(max-width:720px){.folder-name-editor form>div{flex-direction:column}}

/* Preserve the selected PNG byte-for-byte; frame only its transparent margins. */
header{min-height:104px;padding:12px 0}
.brand{flex:none;border-radius:4px}
.brand-logo-frame{display:block;position:relative;width:216px;aspect-ratio:1475/508;overflow:hidden}
.brand-logo{position:absolute;display:block;width:120.271186%;height:auto;max-width:none;left:-10.372881%;top:-36.811024%}
@media(max-width:720px){header{min-height:78px}.brand-logo-frame{width:150px}}
@media(max-width:480px){header{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 12px}.brand{grid-column:1;grid-row:1;justify-self:start}header #logout{grid-column:2;grid-row:1}#identity{grid-column:1/-1;grid-row:2;max-width:none;margin:0}}

.upload-form{display:grid;gap:14px;max-width:680px}.upload-form label{font-weight:650}.upload-form input[type=file]{width:100%;max-width:100%;background:var(--surface)}.upload-form button{justify-self:start}.upload-form progress{width:100%;height:10px;accent-color:var(--accent)}.upload-form p{margin:0;overflow-wrap:anywhere}.outgoing-file{display:block}.outgoing-file .meta{margin-top:6px}.outgoing-file .delivery-error{color:var(--danger);margin-top:8px;font-size:13px}

.upload-actions{display:flex;flex-wrap:wrap;gap:8px}.upload-batch{list-style:none;padding:0;margin:0;display:grid;gap:10px;max-height:300px;overflow:auto}.upload-batch:empty{display:none}.upload-batch li{padding:10px 0;border-bottom:1px solid var(--line);overflow-wrap:anywhere}.upload-batch li span{display:block;font-size:13px;color:var(--sub)}

.upload-form .file-picker{position:absolute;width:1px!important;height:1px;min-height:0;padding:0;border:0;opacity:0;pointer-events:none}.upload-batch .remove-selection{min-height:36px;margin-top:6px;padding:5px 10px;font-size:12px}