:root{--seed-bg:#080807;--seed-fg:#ffffff;--seed-primary:#00d47b;--seed-accent:#2adb5c;--seed-surface:#0f0d0c;--seed-elevated:#171716;--seed-border-base:#3a3933;--seed-danger:#ff4d4f;--seed-success:#22c55e;--seed-white:#ffffff;--seed-black:#000000;--seed-dark-surface-hover:#1a1917;--seed-dark-surface-active:#2a2926;--seed-dark-fg-secondary:#b4b4ad;--seed-dark-fg-muted:#7b7b75;--seed-dark-fg-subtle:#6e6e68;--seed-dark-accent-hover:#2adb5c;--seed-dark-accent-active:#00b86b;--seed-light-bg:#f5f5f0;--seed-light-fg:#111111;--seed-light-primary:#00a868;--seed-light-accent:#00a868;--seed-light-surface:#ffffff;--seed-light-elevated:#f0efe9;--seed-light-border-base:#c4c4bd;--seed-light-surface-hover:#f7f7f2;--seed-light-surface-active:#ebeae4;--seed-light-fg-secondary:#5a5a54;--seed-light-fg-muted:#7b7b75;--seed-light-fg-subtle:#999993;--seed-light-accent-hover:#00c47a;--seed-light-accent-active:#008f5a;--seed-radius:12px;--seed-radius-sm:6px;--bg:var(--seed-bg);--panel:var(--seed-elevated);--surface:var(--seed-surface);--surface-hover:var(--seed-dark-surface-hover);--surface-active:var(--seed-dark-surface-active);--fg:var(--seed-fg);--fg-secondary:var(--seed-dark-fg-secondary);--fg-muted:var(--seed-dark-fg-muted);--fg-subtle:var(--seed-dark-fg-subtle);--border:color-mix(in srgb, var(--seed-border-base) 50%, transparent);--border-subtle:color-mix(in srgb, var(--seed-border-base) 35%, transparent);--border-solid:color-mix(in srgb, var(--seed-border-base) 70%, transparent);--accent:var(--seed-accent);--accent-bg:var(--seed-primary);--accent-hover:var(--seed-dark-accent-hover);--accent-active:var(--seed-dark-accent-active);--accent-subtle:color-mix(in srgb, var(--seed-primary) 12%, transparent);--accent-border:color-mix(in srgb, var(--seed-primary) 40%, transparent);--danger:var(--seed-danger);--danger-bg:color-mix(in srgb, var(--seed-danger) 12%, transparent);--danger-border:color-mix(in srgb, var(--seed-danger) 25%, transparent);--success:var(--seed-success);--success-bg:color-mix(in srgb, var(--seed-success) 12%, transparent);--success-border:color-mix(in srgb, var(--seed-success) 25%, transparent);--white:var(--seed-white);--black:var(--seed-black);--overlay:color-mix(in srgb, var(--seed-black) 65%, transparent);--shadow-dialog:0 8px 24px color-mix(in srgb, var(--seed-black) 35%, transparent);--shadow-card:none;--motion-scale:1;--transition-fast:calc(0.08s * var(--motion-scale));--transition-base:calc(0.15s * var(--motion-scale));--transition-slow:calc(0.2s * var(--motion-scale));--transition-bounce:calc(0.1s * var(--motion-scale));--font-sans:"Inter",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--font-mono:ui-monospace,"SF Mono",Menlo,Monaco,"Cascadia Mono",monospace;color-scheme:dark}@media (prefers-color-scheme:light){:root:not([data-theme=dark]){--seed-bg:var(--seed-light-bg);--seed-fg:var(--seed-light-fg);--seed-primary:var(--seed-light-primary);--seed-accent:var(--seed-light-accent);--seed-surface:var(--seed-light-surface);--seed-elevated:var(--seed-light-elevated);--seed-border-base:var(--seed-light-border-base);--surface-hover:var(--seed-light-surface-hover);--surface-active:var(--seed-light-surface-active);--fg-secondary:var(--seed-light-fg-secondary);--fg-muted:var(--seed-light-fg-muted);--fg-subtle:var(--seed-light-fg-subtle);--accent-hover:var(--seed-light-accent-hover);--accent-active:var(--seed-light-accent-active);--overlay:color-mix(in srgb, var(--seed-black) 45%, transparent);--shadow-dialog:0 8px 24px color-mix(in srgb, var(--seed-black) 12%, transparent);color-scheme:light}}:root[data-theme=light]{--seed-bg:var(--seed-light-bg);--seed-fg:var(--seed-light-fg);--seed-primary:var(--seed-light-primary);--seed-accent:var(--seed-light-accent);--seed-surface:var(--seed-light-surface);--seed-elevated:var(--seed-light-elevated);--seed-border-base:var(--seed-light-border-base);--surface-hover:var(--seed-light-surface-hover);--surface-active:var(--seed-light-surface-active);--fg-secondary:var(--seed-light-fg-secondary);--fg-muted:var(--seed-light-fg-muted);--fg-subtle:var(--seed-light-fg-subtle);--accent-hover:var(--seed-light-accent-hover);--accent-active:var(--seed-light-accent-active);--overlay:color-mix(in srgb, var(--seed-black) 45%, transparent);--shadow-dialog:0 8px 24px color-mix(in srgb, var(--seed-black) 12%, transparent);color-scheme:light}@media (prefers-reduced-motion:reduce){:root{--motion-scale:0}}*{box-sizing:border-box}html{font-family:var(--font-sans);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;min-height:100vh;background:var(--bg);color:var(--fg);line-height:22px;font-size:14px;font-weight:400}.app-container{max-width:1100px;margin:0 auto;padding:24px 20px 48px}@media (min-width:640px){.app-container{padding:32px 28px 64px}}@media (min-width:1024px){.app-container{padding:40px 32px 80px}}.preferences-toolbar{display:flex;justify-content:flex-end;flex-wrap:wrap;gap:12px;margin-bottom:20px}.preference-field{display:flex;align-items:center;gap:8px;min-width:0;color:var(--fg-secondary);font-size:13px}.preference-field .form-select{width:auto;min-width:120px;max-width:270px;padding:6px 10px;font-size:13px}@media (max-width:639px){.preference-field{flex:1 1 140px;flex-direction:column;align-items:stretch;gap:4px}.preference-field .form-select{width:100%;min-width:0;max-width:none}.toolbar-group{flex-wrap:wrap}}.page-header{display:flex;flex-direction:column;gap:16px;margin-bottom:24px;padding-bottom:20px;border-bottom:1px dashed var(--fg-secondary)}@media (min-width:640px){.page-header{flex-direction:row;align-items:center;justify-content:space-between}}.page-title{font-size:28px;font-weight:500;letter-spacing:-.24px;line-height:40px;color:var(--fg);margin:0}.page-subtitle{font-size:14px;line-height:20px;color:var(--fg-muted);margin:4px 0 0}.toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.toolbar-group{display:flex;align-items:center;gap:8px;padding:4px 6px;background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius-sm)}.countdown-chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;font-size:13px;line-height:18px;color:var(--fg-secondary);white-space:nowrap}.countdown-chip strong{color:var(--fg);font-variant-numeric:tabular-nums;font-weight:500}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:8px 14px;font-size:13px;font-weight:500;line-height:18px;border:1px solid var(--border);border-radius:var(--seed-radius-sm);background:0 0;color:var(--fg-secondary);cursor:pointer;transition:background var(--transition-base) ease,border-color var(--transition-base) ease,color var(--transition-base) ease,transform var(--transition-fast) ease;text-decoration:none}.btn:hover{background:color-mix(in srgb,var(--seed-fg) 4%,transparent);color:var(--fg);border-color:var(--border-solid)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent-bg);border-color:transparent;color:var(--white)}.btn-primary:hover{background:var(--accent-hover);color:var(--white)}.btn-primary:active{background:var(--accent-active)}.btn-icon{padding:8px}.btn-pressed{background:var(--accent-subtle);border-color:var(--accent-border);color:var(--accent-bg)}.search-wrap{position:relative;margin-bottom:20px}.search-icon{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--fg-subtle);pointer-events:none}.search-input{width:100%;padding:11px 12px 11px 38px;font-size:14px;line-height:20px;font-family:inherit;color:var(--fg);background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius-sm);outline:0;transition:border-color var(--transition-base) ease,box-shadow var(--transition-base) ease}.search-input::placeholder{color:var(--fg-subtle)}.search-input:focus{border-color:var(--accent-bg);box-shadow:0 0 0 3px color-mix(in srgb,var(--seed-primary) 16%,transparent)}.status-alert{display:flex;align-items:center;gap:10px;padding:12px 14px;margin-bottom:16px;border-radius:var(--seed-radius-sm);font-size:14px;line-height:20px;border:1px solid var(--border)}.status-alert-danger{background:var(--danger-bg);color:var(--danger);border-color:var(--danger-border)}.status-alert-success{background:var(--success-bg);color:var(--success);border-color:var(--success-border)}.status-alert-muted{background:var(--panel);color:var(--fg-muted)}.hidden{display:none}.mail-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.mail-card{display:block;padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius);box-shadow:var(--shadow-card);text-decoration:none;color:inherit;transition:background var(--transition-base) ease,border-color var(--transition-base) ease,transform var(--transition-bounce) ease}.mail-card:hover{background:var(--surface-hover);border-color:var(--border-solid);transform:translateY(-1px)}.mail-card-subject{font-size:16px;font-weight:500;color:var(--fg);line-height:22px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;margin-top:8px;font-size:13px;line-height:18px;color:var(--fg-muted)}.mail-card-meta span{display:inline-flex;align-items:center;gap:5px}.mail-card-meta>span{min-width:0;overflow-wrap:anywhere}.mail-card-meta [data-i18n]{flex-shrink:0;white-space:nowrap}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:56px 20px;text-align:center;color:var(--fg-muted);background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius);box-shadow:var(--shadow-card)}.empty-state.hidden{display:none}.empty-state-icon{width:48px;height:48px;margin-bottom:16px;color:var(--fg-subtle)}.empty-state-title{font-size:16px;font-weight:500;line-height:22px;color:var(--fg);margin:0 0 6px}.empty-state-text{font-size:14px;line-height:20px;margin:0}.loading-skeleton{padding:16px;background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius);box-shadow:var(--shadow-card);animation:pulse 1.6s ease-in-out infinite}.loading-skeleton .sk-line{height:12px;background:var(--border-subtle);border-radius:4px;margin-bottom:10px}.loading-skeleton .sk-line.short{width:55%}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.55}}.pagination{display:flex;align-items:center;justify-content:center;gap:12px;margin-top:28px}.page-indicator{font-size:14px;line-height:20px;color:var(--fg-muted);min-width:96px;text-align:center}.compose-backdrop{position:fixed;inset:0;background:var(--overlay);display:flex;align-items:center;justify-content:center;padding:20px;z-index:100;opacity:0;pointer-events:none;transition:opacity var(--transition-slow) ease}.compose-backdrop.open{opacity:1;pointer-events:auto}.compose-modal{width:100%;max-width:620px;max-height:calc(100vh - 40px);background:var(--panel);border:1px solid var(--border);border-radius:var(--seed-radius);box-shadow:var(--shadow-dialog);display:flex;flex-direction:column;transform:translateY(12px) scale(.98);transition:transform var(--transition-slow) ease;overflow:hidden}.compose-backdrop.open .compose-modal{transform:translateY(0) scale(1)}.compose-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}.compose-title{font-size:18px;font-weight:500;line-height:24px;margin:0}.compose-body{padding:18px;overflow-y:auto}.form-stack{display:flex;flex-direction:column;gap:14px}.form-row{display:flex;flex-direction:column;gap:5px}.form-row-inline{display:flex;flex-direction:row;gap:12px}.form-row-inline .form-row-flex{flex:1;min-width:0}.from-address{display:flex;align-items:center;gap:8px;min-width:0}.from-address .form-input{min-width:0}#compose-from-local{flex:1 1 6rem}.from-at{flex:0 0 auto;color:var(--fg-muted)}.form-select{flex:0 1 auto;width:auto;max-width:65%}.form-row label{font-size:13px;font-weight:500;line-height:18px;color:var(--fg-secondary)}.form-input,.form-textarea{width:100%;padding:10px 12px;font-size:14px;line-height:20px;font-family:inherit;color:var(--fg);background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius-sm);outline:0;transition:border-color var(--transition-base) ease,box-shadow var(--transition-base) ease}.form-input::placeholder,.form-textarea::placeholder{color:var(--fg-subtle)}.form-input:focus,.form-textarea:focus{border-color:var(--accent-bg);box-shadow:0 0 0 3px color-mix(in srgb,var(--seed-primary) 16%,transparent)}.form-textarea{min-height:160px;resize:vertical;line-height:22px}.form-hint{font-size:12px;line-height:18px;color:var(--fg-subtle)}.drop-zone{padding:18px;border:2px dashed var(--border);border-radius:var(--seed-radius-sm);background:var(--surface);text-align:center;color:var(--fg-muted);transition:border-color var(--transition-base) ease,background var(--transition-base) ease;cursor:pointer}.drop-zone.drag-over{border-color:var(--accent-bg);background:var(--accent-subtle)}.drop-zone-text{font-size:14px;line-height:20px;margin:0}.drop-zone-input{display:none}.attachment-list{list-style:none;margin:10px 0 0;padding:0;display:flex;flex-direction:column;gap:8px}.attachment-item{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:8px 10px;background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius-sm);font-size:13px;line-height:18px}.attachment-info{display:flex;align-items:center;gap:8px;overflow:hidden}.attachment-name{color:var(--fg);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-size{color:var(--fg-subtle);flex-shrink:0}.attachment-remove{flex-shrink:0;background:0 0;border:none;color:var(--fg-subtle);cursor:pointer;padding:4px;border-radius:4px;line-height:0}.attachment-remove:hover{color:var(--danger);background:var(--danger-bg)}.compose-footer{display:flex;justify-content:flex-end;gap:10px;padding:14px 18px;border-top:1px solid var(--border);background:var(--surface)}.spinner{width:16px;height:16px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.mail-detail-header{margin-bottom:20px}.back-link{display:inline-flex;align-items:center;gap:6px;margin-bottom:16px}.detail-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius);box-shadow:var(--shadow-card);padding:20px}.detail-subject-row{display:flex;align-items:flex-start;gap:12px;margin-bottom:16px}.detail-subject{flex:1;min-width:0;font-size:24px;font-weight:500;letter-spacing:-.24px;line-height:32px;margin:0;color:var(--fg);word-break:break-word}.unsubscribe-btn{flex:none;white-space:nowrap}@media (max-width:639px){.detail-subject-row{flex-wrap:wrap}}.detail-meta-grid{display:grid;gap:10px 20px;font-size:14px;line-height:20px;color:var(--fg-secondary)}@media (min-width:640px){.detail-meta-grid{grid-template-columns:repeat(2,1fr)}}.detail-meta-grid dt{color:var(--fg-muted);font-weight:500}.detail-meta-grid dd{margin:0;word-break:break-word}.detail-meta-grid .full{grid-column:1/-1}.tabs{display:flex;gap:8px;margin:20px 0 12px}.tab-btn{padding:7px 14px;font-size:13px;font-weight:500;line-height:18px;color:var(--fg-muted);background:0 0;border:1px solid transparent;border-radius:var(--seed-radius-sm);cursor:pointer;transition:background var(--transition-base) ease,color var(--transition-base) ease,border-color var(--transition-base) ease}.tab-btn:hover{color:var(--fg);background:color-mix(in srgb,var(--seed-fg) 4%,transparent)}.tab-btn.active{color:var(--accent-bg);background:var(--accent-subtle);border-color:var(--accent-border)}.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius);box-shadow:var(--shadow-card);overflow:hidden}.panel-body{padding:16px}.panel-body iframe{display:block;width:100%;min-height:160px;border:none;background:var(--white);border-radius:4px}.link-confirm-backdrop{position:fixed;inset:0;z-index:110;display:flex;align-items:center;justify-content:center;padding:20px;background:color-mix(in srgb,var(--seed-black) 45%,transparent);opacity:0;pointer-events:none;transition:opacity var(--transition-slow) ease}.link-confirm-backdrop.open{opacity:1;pointer-events:auto}.link-confirm-modal{width:100%;max-width:480px;background:var(--panel);border:1px solid var(--border);border-radius:var(--seed-radius);box-shadow:var(--shadow-dialog);display:flex;flex-direction:column;transform:translateY(12px) scale(.98);transition:transform var(--transition-slow) ease;overflow:hidden}.link-confirm-backdrop.open .link-confirm-modal{transform:translateY(0) scale(1)}.link-confirm-header{display:flex;align-items:center;justify-content:space-between;padding:16px 18px;border-bottom:1px solid var(--border)}.link-confirm-title{font-size:18px;font-weight:500;line-height:24px;margin:0}.link-confirm-body{padding:18px;display:flex;flex-direction:column;gap:12px}.link-confirm-body p{margin:0;font-size:14px;line-height:22px;color:var(--fg-secondary)}.link-confirm-host{font-size:15px;font-weight:600;color:var(--fg);word-break:break-word}.link-confirm-url{margin:0;padding:12px 14px;border:1px solid var(--border);border-radius:var(--seed-radius-sm);background:color-mix(in srgb,var(--seed-fg) 3%,transparent);font-family:var(--font-mono);font-size:12px;line-height:18px;color:var(--fg-secondary);white-space:pre-wrap;word-break:break-all;max-height:140px;overflow:auto}.link-confirm-footer{display:flex;justify-content:flex-end;gap:8px;padding:14px 18px;border-top:1px solid var(--border)}.pre-wrap{margin:0;white-space:pre-wrap;word-break:break-word;font-family:var(--font-mono);font-size:13px;line-height:20px;color:var(--fg-secondary)}.raw-summary{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;font-size:14px;font-weight:500;line-height:20px;color:var(--fg-secondary);cursor:pointer;user-select:none;background:var(--surface);border:1px solid var(--border);border-radius:var(--seed-radius);box-shadow:var(--shadow-card);transition:background var(--transition-base) ease}.raw-summary:hover{background:var(--surface-hover)}.raw-content{margin-top:10px;padding:16px;background:var(--panel);border:1px solid var(--border);border-radius:var(--seed-radius)}.attachments-section{margin-top:20px}.attachments-title{font-size:15px;font-weight:500;line-height:20px;margin:0 0 12px}.attachment-download{display:inline-flex;align-items:center;gap:6px;color:var(--accent-bg);text-decoration:none;font-weight:500}.attachment-download:hover{text-decoration:underline}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.btn-loading{pointer-events:none;opacity:.8}.btn-loading .btn-spinner{display:inline-block;width:14px;height:14px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:spin .8s linear infinite}.toast-container{position:fixed;top:20px;right:20px;z-index:9999;display:flex;flex-direction:column;gap:10px;pointer-events:none;max-width:380px;width:calc(100vw - 40px)}.toast{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:var(--seed-radius-sm);border:1px solid var(--border);background:var(--panel);color:var(--fg);font-size:14px;line-height:20px;box-shadow:0 4px 16px color-mix(in srgb,var(--seed-black) 25%,transparent);pointer-events:auto;animation:toast-in .3s ease forwards}.toast-success{background:var(--success-bg);color:var(--success);border-color:var(--success-border)}.toast-danger{background:var(--danger-bg);color:var(--danger);border-color:var(--danger-border)}.toast-info{background:var(--panel);color:var(--fg-secondary);border-color:var(--border-solid)}.toast-message{flex:1;word-break:break-word}.toast-close{flex-shrink:0;background:0 0;border:none;color:inherit;opacity:.6;font-size:18px;line-height:1;padding:2px 6px;border-radius:4px;cursor:pointer;transition:opacity var(--transition-fast) ease,background var(--transition-fast) ease}.toast-close:hover{opacity:1;background:color-mix(in srgb,currentColor 10%,transparent)}.toast-out{animation:toast-out .3s ease forwards}@keyframes toast-in{from{opacity:0;transform:translateX(40px)}to{opacity:1;transform:translateX(0)}}@keyframes toast-out{from{opacity:1;transform:translateX(0)}to{opacity:0;transform:translateX(40px)}}