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52px}@media(prefers-color-scheme:dark){:root{--color-background: #0b1220;--color-foreground: #e2e8f0;--color-card: #111a2e;--color-muted: #172238;--color-muted-strong: #1f2c47;--color-muted-foreground: #94a3b8;--color-border: #243047;--color-primary: #3b82f6;--color-primary-hover: #60a5fa;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .4)}}@media(prefers-reduced-motion:reduce){:root{--transition: 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var(--transition),opacity var(--transition);-webkit-tap-highlight-color:transparent}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--color-primary);color:var(--color-on-primary)}.btn-primary:not(:disabled):hover{background:var(--color-primary-hover)}.btn-ghost{color:var(--color-muted-foreground)}.btn-ghost:not(:disabled):hover{background:var(--color-muted);color:var(--color-foreground)}.btn-danger{background:var(--color-destructive);color:var(--color-on-destructive)}.btn-ghost.btn-danger{background:transparent;color:var(--color-muted-foreground)}.btn-ghost.btn-danger:not(:disabled):hover{background:color-mix(in srgb,var(--color-destructive) 12%,transparent);color:var(--color-destructive)}.btn-icon{width:44px;min-width:44px;padding:0}.btn-sm{min-height:36px;padding:0 var(--space-3);font-size:.9rem}.btn-xl{min-height:56px;padding:0 var(--space-5);font-size:1.05rem;width:100%}.btn-block{width:100%}.btn.is-done{color:var(--color-success)}.btn.is-spinning svg{animation:spin .9s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.field{display:block;margin-bottom:var(--space-4)}.field-label{display:block;font-size:.9rem;font-weight:500;margin-bottom:var(--space-1);color:var(--color-muted-foreground)}input[type=password],input[type=text]{width:100%;min-height:44px;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);background:var(--color-card);transition:border-color var(--transition)}input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px color-mix(in srgb,var(--color-primary) 20%,transparent)}.form-error{margin:var(--space-2) 0 0;color:var(--color-destructive);font-size:.92rem}.hint{margin:var(--space-2) 0 0;font-size:.85rem;color:var(--color-muted-foreground)}.login-screen{min-height:100dvh;display:grid;place-items:center;padding:var(--space-4);background:var(--color-muted)}.login-card{width:100%;max-width:380px;background:var(--color-card);border:1px solid 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var(--color-border);border-radius:var(--radius);background:var(--color-card);overflow:hidden}.addr-input:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 3px color-mix(in srgb,var(--color-primary) 20%,transparent)}.addr-input.is-invalid{border-color:var(--color-destructive)}.addr-input input{border:0;border-radius:0;min-height:48px;flex:1 1 auto;min-width:0;font-family:var(--mono)}.addr-input input:focus{box-shadow:none}.addr-suffix{padding:0 var(--space-3);color:var(--color-muted-foreground);font-family:var(--mono);white-space:nowrap;background:var(--color-muted);align-self:stretch;display:flex;align-items:center}.new-address-actions{display:flex;gap:var(--space-2);margin-top:var(--space-3)}.new-address-actions .btn-primary{flex:1 1 auto}.created-card{margin-top:var(--space-3);background:color-mix(in srgb,var(--color-success) 8%,var(--color-card));border:1px solid color-mix(in srgb,var(--color-success) 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var(--space-3);border:0;background:transparent;text-align:left;cursor:pointer;min-width:0}.addr-main:hover{background:var(--color-muted)}.addr-name{display:flex;align-items:center;gap:var(--space-1);min-width:0;font-family:var(--mono);font-size:.95rem}.addr-row-all .addr-name{font-family:var(--font);font-weight:600;gap:var(--space-2)}.addr-local{font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.addr-domain{color:var(--color-muted-foreground);white-space:nowrap}.addr-meta{display:flex;align-items:center;gap:var(--space-2)}.addr-count{min-width:26px;text-align:center;font-size:.8rem;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--color-muted);color:var(--color-muted-foreground)}.is-selected .addr-count{background:var(--color-primary);color:var(--color-on-primary)}.badge{font-size:.72rem;padding:1px 6px;border-radius:4px;text-transform:uppercase;letter-spacing:.03em}.badge-muted{background:var(--color-muted-strong);color:var(--color-muted-foreground)}.addr-actions{display:flex;align-items:center;padding-right:var(--space-1)}.confirm-inline{display:inline-flex;gap:var(--space-1);padding-right:var(--space-1)}.addr-error{grid-column:1 / -1;padding:0 var(--space-3) var(--space-2);margin:0}.empty{padding:var(--space-5) var(--space-4);text-align:center;color:var(--color-muted-foreground);margin:0}.filter-bar{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);padding:var(--space-2) var(--space-3);background:var(--color-muted);border-bottom:1px solid var(--color-border);font-size:.9rem}.msg-row{display:flex;flex-direction:column;gap:2px;width:100%;padding:var(--space-3);border:0;border-bottom:1px solid var(--color-border);background:transparent;text-align:left;cursor:pointer;transition:background var(--transition)}.msg-list li:last-child 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var(--color-border)}.col-view{position:fixed;inset:0;z-index:30;background:var(--color-background);overflow-y:auto;padding:0 var(--space-3) var(--space-6);padding-left:max(var(--space-3),env(safe-area-inset-left));padding-right:max(var(--space-3),env(safe-area-inset-right))}.msg-view-header{position:sticky;top:0;z-index:1;display:flex;align-items:center;gap:var(--space-2);min-height:var(--topbar-h);background:var(--color-background);border-bottom:1px solid var(--color-border);margin-bottom:var(--space-3)}.msg-view-subject{font-size:1.05rem;overflow-wrap:anywhere}.msg-meta{margin:0 0 var(--space-3);display:grid;gap:var(--space-1);font-size:.92rem}.msg-meta div{display:grid;grid-template-columns:56px 1fr;gap:var(--space-2)}.msg-meta dt{color:var(--color-muted-foreground)}.msg-meta dd{margin:0;overflow-wrap:anywhere}.meta-name{font-weight:600}.meta-addr{font-family:var(--mono);font-size:.9em}.meta-dim{color:var(--color-muted-foreground)}.segmented{display:inline-flex;border:1px solid var(--color-border);border-radius:var(--radius);overflow:hidden;margin-bottom:var(--space-3)}.segmented button{min-height:36px;padding:0 var(--space-4);border:0;background:transparent;cursor:pointer;color:var(--color-muted-foreground)}.segmented button.is-active{background:var(--color-muted);color:var(--color-foreground);font-weight:600}.msg-frame{display:block;width:100%;height:calc(100dvh - 260px);min-height:320px;border:1px solid var(--color-border);border-radius:var(--radius);background:#fff}@media(prefers-color-scheme:dark){.msg-frame{background:#0b1220}}.msg-text{margin:0;padding:var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);white-space:pre-wrap;overflow-wrap:anywhere;font-family:var(--font);font-size:.95rem;background:var(--color-card)}.attachments{margin-top:var(--space-4)}.attachments h3{display:flex;align-items:center;gap:var(--space-2);font-size:.95rem;margin-bottom:var(--space-2)}.attachment{display:flex;align-items:center;gap:var(--space-2);min-height:44px;padding:0 var(--space-3);border:1px solid var(--color-border);border-radius:var(--radius);margin-bottom:var(--space-2);color:var(--color-foreground);text-decoration:none;background:var(--color-card)}.attachment:hover{background:var(--color-muted)}.attachment-name{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.attachment-size{color:var(--color-muted-foreground);font-size:.85rem}@media(min-width:900px){.tabs{display:none}.columns{grid-template-columns:300px minmax(0,1fr)}.tab-messages .col-addresses,.tab-addresses .col-messages{display:block}.btn-xl{width:auto;min-width:260px}.new-address-form{max-width:560px}.col-view{position:static;background:var(--color-card);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:0 var(--space-4) var(--space-4);max-height:calc(100dvh - var(--topbar-h) - 32px);position:sticky;top:calc(var(--topbar-h) + 16px)}.msg-view-header{background:var(--color-card)}.has-open .col-messages{display:none}.msg-frame{height:calc(100dvh - 360px)}}@media(min-width:1200px){.has-open .columns{grid-template-columns:280px minmax(320px,.9fr) minmax(0,1.4fr)}.has-open .col-messages{display:block}}