:root{color-scheme:light;--paper: #F6F5F3;--card: #FFFFFF;--field: #FBFAF9;--track: #F1EFEB;--ink: #1A1815;--ink-hover: #33302B;--ink-2: #3D3830;--muted: #6E6862;--muted-2: #8C8579;--muted-3: #A8A29A;--line: #E3DFD9;--line-field: #DDD8D1;--line-soft: #EEEBE6;--line-softer: #F2EFEA;--line-dashed: #CFC9C0;--clay: #9C5137;--clay-dark: #7C3E29;--clay-tint: #F6EBE6;--ok: #4E7A55;--r-card: 14px;--r-field: 10px;--r-tab: 7px;--r-chip: 8px;--r-inset: 8px;--r-pill: 999px;--shadow-card: 0 1px 2px rgba(26, 24, 21, .04), 0 12px 32px -16px rgba(26, 24, 21, .12);--shadow-nav: 0 1px 2px rgba(26, 24, 21, .05);--shadow-tab: 0 1px 2px rgba(26, 24, 21, .1);--cjk: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", "Noto Sans SC";--sans: "IBM Plex Sans", system-ui, var(--cjk), sans-serif;--mono: "IBM Plex Mono", ui-monospace, var(--cjk), monospace;--accent: var(--ink);--accent-fg: var(--field);--danger: var(--clay-dark);--success: var(--ok)}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans)}input::placeholder,textarea::placeholder{color:var(--muted-3)}a{color:var(--clay);text-decoration:none}a:hover{color:var(--clay-dark);text-decoration:underline}@keyframes sssIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms!important;transition-duration:.001ms!important}}:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.app-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:84px 24px 120px}.app-header{width:100%;max-width:560px;display:flex;align-items:baseline;gap:12px;margin-bottom:28px}.app-title{font-size:20px;font-weight:600;letter-spacing:-.02em;color:var(--ink);text-decoration:none}.app-title:hover{text-decoration:none}.app-subtitle{font-size:14px;color:var(--muted)}.app-logo{height:22px;display:block}.app-header-spacer{flex:1}.app-header-caption{font-family:var(--mono);font-size:11px;color:var(--muted-2);letter-spacing:.02em}.lang-picker{font-family:var(--sans);font-size:12px;color:var(--muted);background:transparent;border:1px solid transparent;border-radius:var(--r-chip);padding:2px 4px;cursor:pointer;max-width:10rem}.lang-picker:hover{color:var(--ink);border-color:var(--line)}.lang-picker:focus-visible{outline:2px solid var(--ink);outline-offset:1px}.app-main{width:100%;display:flex;flex-direction:column;align-items:center}.card{width:100%;max-width:560px;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-card)}.card--narrow{max-width:460px}.card--enter{animation:sssIn .26s ease-out}.card--compose{overflow:hidden}.card--padded{padding:30px 28px 26px;display:flex;flex-direction:column;gap:22px}.card--simple{padding:24px 28px;display:flex;flex-direction:column;gap:12px}.compose-body{padding:26px 28px 0;display:flex;flex-direction:column;gap:22px}.compose-group{display:flex;flex-direction:column;gap:12px}.divider{height:1px;background:var(--line-soft);flex:none}.field-group{display:flex;flex-direction:column;gap:11px}.segmented{display:flex;gap:3px;background:var(--track);border-radius:calc(var(--r-tab) + 2px);padding:3px;width:fit-content}.segmented-tab{padding:7px 20px;border-radius:var(--r-tab);border:none;font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer;background:transparent;color:var(--muted)}.segmented-tab[aria-selected=true]{background:var(--card);color:var(--ink);box-shadow:var(--shadow-tab)}.mode-row{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px 12px}.generator-toggle{background:none;border:none;padding:4px 0;cursor:pointer;font-family:inherit;font-size:12.5px;font-weight:500;color:var(--clay)}.generator-toggle:hover{color:var(--clay-dark);text-decoration:underline}.generator-panel{display:flex;flex-direction:column;gap:12px;padding:16px;border:1px solid var(--line-soft);border-radius:var(--r-field);background:var(--field)}.generator-length{display:flex;align-items:center;gap:12px}.generator-range{flex:1;min-width:0;accent-color:var(--ink)}.generator-length-input{flex:0 0 5rem;padding:8px 10px;background:var(--card)}.generator-checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(13rem,1fr));gap:8px 16px}.generator-check{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);cursor:pointer}.generator-check input{accent-color:var(--ink);margin:0}.secret-textarea{width:100%;min-height:148px;resize:vertical;padding:14px 15px;border:1px solid var(--line-field);border-radius:var(--r-field);background:var(--field);color:var(--ink);font-family:var(--mono);font-size:14px;line-height:1.55;outline:none}.secret-textarea:focus{border-color:var(--ink);background:var(--card)}.dropzone{width:100%;min-height:148px;border:1px dashed var(--line-dashed);border-radius:var(--r-field);background:var(--field);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;text-align:center;padding:20px;cursor:pointer}.dropzone--active{border-color:var(--ink);background:var(--card)}.dropzone-title{font-size:14px;font-weight:500}.dropzone-hint{font-size:13px;color:var(--muted)}.dropzone-browse{color:var(--clay);font-weight:500}.dropzone-note{font-family:var(--mono);font-size:11px;color:var(--muted-3);margin-top:6px}.dropzone-input{position:absolute;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}.dropzone-file{width:100%;min-height:148px;border:1px solid var(--line-field);border-radius:var(--r-field);background:var(--field);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;text-align:center;padding:20px}.dropzone-filename{font-family:var(--mono);font-size:13px;color:var(--ink);word-break:break-all}.dropzone-filesize{font-size:12px;color:var(--muted-2)}.dropzone-remove{background:none;border:none;padding:0;font-family:inherit;font-size:12.5px;font-weight:500;color:var(--clay);cursor:pointer}.dropzone-remove:hover{color:var(--clay-dark);text-decoration:underline}.enc-status{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted-2)}.enc-status-dot{width:6px;height:6px;border-radius:50%;background:var(--ok);flex:none}.chip-group{display:flex;flex-wrap:wrap;gap:6px}.chip{padding:8px 13px;border-radius:var(--r-chip);font-family:inherit;font-size:13px;font-weight:500;cursor:pointer;transition:all .12s;background:var(--card);color:var(--ink-2);border:1px solid var(--line-field)}.chip[aria-checked=true]{background:var(--ink);color:var(--field);border:1px solid var(--ink)}@media (pointer: coarse){.chip{padding:11px 15px}}.custom-expiry{display:flex;gap:8px;margin-top:2px}.custom-expiry input[type=number]{flex:0 0 5.5rem}.custom-expiry select{flex:1}.switch-row{display:flex;align-items:flex-start;gap:12px;text-align:left;background:none;border:none;padding:0;cursor:pointer;font-family:inherit}.switch-track{width:38px;height:22px;border-radius:var(--r-pill);flex:none;margin-top:1px;display:flex;align-items:center;padding:2px;transition:background .14s;background:var(--line-field)}.switch-track[data-on=true]{background:var(--ink)}.switch-knob{width:18px;height:18px;border-radius:50%;background:#fff;transition:transform .14s;transform:translate(0)}.switch-track[data-on=true] .switch-knob{transform:translate(16px)}.switch-copy{display:flex;flex-direction:column;gap:3px}.switch-title{font-size:13px;font-weight:600;color:var(--ink)}.switch-desc{font-size:12.5px;color:var(--muted);line-height:1.5}.switch-hidden-input{position:absolute;width:1px;height:1px;overflow:hidden;opacity:0;pointer-events:none}.switch-reveal{padding-left:50px}.field{display:flex;flex-direction:column;gap:11px}.field-label-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px}.field-label{font-size:13px;font-weight:600;letter-spacing:-.005em}.field-optional{font-size:12px;color:var(--muted-3);font-weight:400}.field-hint{margin:0;font-size:12.5px;color:var(--muted);line-height:1.55;max-width:46em}.input-mono{width:100%;padding:11px 14px;border:1px solid var(--line-field);border-radius:var(--r-field);background:var(--field);color:var(--ink);font-family:var(--mono);font-size:13.5px;outline:none}.input-mono:focus{border-color:var(--ink);background:var(--card)}.input-plain{width:100%;padding:11px 14px;border:1px solid var(--line-field);border-radius:var(--r-field);background:var(--field);color:var(--ink);font-family:var(--sans);font-size:13.5px;outline:none}.input-plain:focus{border-color:var(--ink);background:var(--card)}select.input-plain{cursor:pointer}.disclosure-header{display:flex;align-items:center;justify-content:space-between;width:100%;background:none;border:none;padding:0;cursor:pointer;font-family:inherit;color:var(--ink)}.disclosure-title{font-size:13px;font-weight:600}.disclosure-toggle{font-size:12px;color:var(--clay);font-weight:500}.disclosure-panel{display:flex;flex-direction:column;gap:9px;padding:16px;border:1px solid var(--line-soft);border-radius:var(--r-field);background:var(--field)}.disclosure-panel .field-label{font-size:12.5px}.disclosure-panel .input-mono{padding:10px 13px;border-radius:var(--r-inset);background:var(--card);font-size:13px}.footer-band{margin-top:26px;padding:18px 28px 22px;background:var(--field);border-top:1px solid var(--line-soft);display:flex;flex-direction:column;gap:14px}.policy-line{margin:0;font-size:12.5px;color:var(--muted);line-height:1.6}.btn{border:none;border-radius:var(--r-field);font-family:inherit;font-weight:600;cursor:pointer}.btn:disabled{cursor:not-allowed}.btn-block{width:100%}.btn-primary{padding:14px;background:var(--ink);color:var(--field);font-size:14.5px;letter-spacing:-.005em}.btn-primary:hover:not(:disabled){background:var(--ink-hover)}.btn-primary:disabled{background:var(--line-field);color:var(--muted-3)}.btn-secondary{padding:12px;border:1px solid var(--line-field);background:var(--card);color:var(--ink);font-size:13.5px}.btn-secondary:hover:not(:disabled){background:var(--field)}.btn-copy{flex:none;padding:0 20px;border:1px solid var(--ink);border-radius:var(--r-field);background:var(--ink);color:var(--field);font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer}.btn-copy:hover{background:var(--ink-hover)}.btn-dark-block{flex:1;padding:12px;border:none;border-radius:var(--r-field);background:var(--ink);color:var(--field);font-family:inherit;font-size:13.5px;font-weight:600;cursor:pointer}.btn-dark-block:hover{background:var(--ink-hover)}.action-row{display:flex;gap:10px}.action-row>.btn-secondary,.action-row>.btn-primary,.action-row>.btn-dark-block{flex:1}.heading-block{display:flex;flex-direction:column;gap:6px}.heading-block h1{margin:0;font-size:21px;font-weight:600;letter-spacing:-.02em}.heading-block p{margin:0;font-size:13.5px;color:var(--muted);line-height:1.55}.link-block{display:flex;flex-direction:column;gap:9px}.link-row{display:flex;gap:8px;align-items:stretch}.link-box{flex:1;min-width:0;padding:13px 14px;border:1px solid var(--line-field);border-radius:var(--r-field);background:var(--field);font-family:var(--mono);font-size:13px;line-height:1.5;word-break:break-all;color:var(--ink)}.link-key{color:var(--clay)}.link-caption{margin:0;font-size:12px;color:var(--muted-2);font-family:var(--mono)}.receipt{border:1px solid var(--line-soft);border-radius:var(--r-field);overflow:hidden}.receipt-row{display:flex;justify-content:space-between;gap:16px;padding:11px 14px;border-bottom:1px solid var(--line-softer);font-size:13px}.receipt-row:last-child{border-bottom:none}.receipt-key{color:var(--muted)}.receipt-value{font-weight:500;text-align:right}.eyebrow{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--clay)}.unlock-fields{display:flex;flex-direction:column;gap:10px}.unlock-fields .field-label{margin-top:0}.unlock-fields .field-label+.field-label{margin-top:6px}.otp-input{width:100%;padding:12px 14px;border:1px solid var(--line-field);border-radius:var(--r-field);background:var(--field);font-family:var(--mono);font-size:19px;letter-spacing:.42em;color:var(--ink);outline:none;text-align:left}.otp-input:focus{border-color:var(--ink);background:var(--card)}.email-input{width:100%;padding:12px 14px;border:1px solid var(--line-field);border-radius:var(--r-field);background:var(--field);font-family:var(--mono);font-size:13.5px;color:var(--ink);outline:none}.email-input:focus{border-color:var(--ink);background:var(--card)}.submit-block{display:flex;flex-direction:column;gap:12px}.submit-note{margin:0;font-size:12.5px;color:var(--muted);line-height:1.55;text-align:center}.resend-row{display:flex;justify-content:center}.reveal-title-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px}.reveal-title-row h1{margin:0;font-size:21px;font-weight:600;letter-spacing:-.02em}.reveal-status{font-family:var(--mono);font-size:12px;color:var(--clay)}.reveal-box{position:relative;border:1px solid var(--line-field);border-radius:var(--r-field);background:var(--field);overflow:hidden}.reveal-pre{margin:0;padding:16px;font-family:var(--mono);font-size:13px;line-height:1.65;color:var(--ink);white-space:pre-wrap;word-break:break-all;min-height:118px;transition:filter .18s}.reveal-pre--hidden{filter:blur(7px)}.reveal-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;background:#fbfaf98c;border:none;cursor:pointer;font-family:inherit}.reveal-pill{padding:9px 18px;border-radius:var(--r-pill);background:var(--ink);color:var(--field);font-size:13px;font-weight:600}.destroyed-notice{display:flex;gap:11px;padding:14px 16px;border-radius:var(--r-field);background:var(--clay-tint)}.destroyed-dot{width:7px;height:7px;border-radius:50%;background:var(--clay);flex:none;margin-top:6px}.destroyed-text{margin:0;font-size:12.5px;color:var(--clay-dark);line-height:1.6}.error-text{margin:0;color:var(--clay-dark);font-size:12.5px}.success-text{color:var(--ok);font-size:13.5px}.muted{color:var(--muted);font-size:13.5px}.stack{display:flex;flex-direction:column;gap:12px}.account-bar{width:100%;max-width:560px;display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:14px;font-size:13px}@media (max-width: 600px){.app-shell{padding:24px 16px 80px}.compose-body{padding:22px 20px 0}.card--padded,.card--simple{padding:22px 20px 20px}.footer-band{padding:16px 20px 20px}}@media (max-width: 420px){.link-row,.action-row{flex-direction:column}}