:root{--ios-primary:#4a90a4;--ios-primary-dark:#317e94;--ios-accent:#ff9800;--ios-success:#4caf50;--ios-warning:#ff9800;--ios-danger:#ec0b0b;--ios-bg:#f1f1f1;--ios-surface:#fff;--ios-text:#212121;--ios-text-secondary:#757575;--ios-text-tertiary:#9e9e9e;--ios-border:#e0e0e0;--ios-pending-bg:#ffeacc;--ios-abnormal-border:#f09595;--ios-sev-mild-bg:#eaf3de;--ios-sev-mild-fg:#3b6d11;--ios-sev-mod-bg:#faeeda;--ios-sev-mod-fg:#854f0b;--ios-sev-severe-bg:#fcebeb;--ios-sev-severe-fg:#a32d2d;--ios-spacing-half:8px;--ios-spacing:16px;--ios-spacing-double:32px;--ios-radius-sm:8px;--ios-radius-md:10px;--ios-radius:12px;--ios-radius-card:14px;--ios-radius-lg:16px;--ios-radius-xl:20px;--ios-radius-pill:9999px;--ios-shadow-sm:0 1px 4px #0000000f;--ios-shadow:0 3px 6px #0000000d;--ios-shadow-md:0 3px 10px #00000014;--ios-shadow-lg:0 4px 12px #0000001f;--ios-shadow-teal:0 2px 6px #4a90a44d;--ios-spring:cubic-bezier(.34, 1.56, .64, 1);--ios-ease:cubic-bezier(.22, 1, .36, 1);--primary:var(--ios-primary);--primary-dark:var(--ios-primary-dark);--primary-light:var(--ios-primary-dark);--accent:var(--ios-accent);--success:var(--ios-success);--warning:var(--ios-warning);--danger:var(--ios-danger);--bg:var(--ios-bg);--surface:var(--ios-surface);--text:var(--ios-text);--text-secondary:var(--ios-text-secondary);--text-tertiary:var(--ios-text-tertiary);--border:var(--ios-border);--pending-bg:var(--ios-pending-bg);--sev-mild-bg:var(--ios-sev-mild-bg);--sev-mild-fg:var(--ios-sev-mild-fg);--sev-mod-bg:var(--ios-sev-mod-bg);--sev-mod-fg:var(--ios-sev-mod-fg);--sev-severe-bg:var(--ios-sev-severe-bg);--sev-severe-fg:var(--ios-sev-severe-fg);--abnormal-border:var(--ios-abnormal-border);--spacing:var(--ios-spacing);--spacing-half:var(--ios-spacing-half);--spacing-double:var(--ios-spacing-double);--radius:var(--ios-radius);--radius-lg:var(--ios-radius-xl);--radius-card:var(--ios-radius-card);--border-width:1px;--icon-size:24px;--icon-size-lg:32px;--spring-fast:var(--ios-spring);--spring-medium:var(--ios-ease);--spring-bounce:cubic-bezier(.175, .885, .32, 1.275)}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--ios-bg);color:var(--ios-text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;font-family:-apple-system,BlinkMacSystemFont,SF Pro Text,Segoe UI,Roboto,sans-serif;font-size:15px;line-height:1.4}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,textarea{font-family:inherit}a{color:inherit;text-decoration:none}.ds-page{max-width:800px;margin:0 auto;padding:16px 16px 100px}@media (width>=768px){.ds-page{max-width:720px;padding:20px 20px 100px}}@media (width>=1024px){.ds-page{max-width:960px;padding:24px 24px 40px 104px}}@media (width>=1440px){.ds-page{max-width:1200px;padding-left:144px}}.ds-card-grid{flex-direction:column;gap:12px;display:flex}@media (width>=1024px){.ds-card-grid{grid-template-columns:repeat(2,1fr);gap:16px;display:grid}}@media (width>=1440px){.ds-card-grid{grid-template-columns:repeat(3,1fr)}}.ds-chat-stage{flex-direction:column;height:100dvh;display:flex}@media (width>=1024px){.ds-chat-stage-inner{padding-left:80px}}@media (width>=1440px){.ds-chat-stage-inner{padding-left:120px}}.mobile-only{display:initial}.desktop-only{display:none}@media (width>=1024px){.mobile-only{display:none!important}.desktop-only{display:initial}}.ds-sidebar{display:none}@media (width>=1024px){.ds-sidebar{background:var(--ios-surface);border-right:1px solid var(--ios-border);z-index:90;flex-direction:column;align-items:center;gap:4px;width:80px;padding:20px 0;display:flex;position:fixed;top:0;bottom:0;left:0}}@media (width>=1440px){.ds-sidebar{width:120px}}.ds-sidebar-item{width:60px;min-height:60px;color:var(--ios-text-tertiary);border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:4px;padding:8px 0;font-size:10px;font-weight:600;transition:background .15s,color .15s;display:flex}.ds-sidebar-item:hover{background:#4a90a40f}.ds-sidebar-item.active{color:var(--ios-primary);background:#4a90a41a}.ios-card{background:var(--ios-surface);border-radius:var(--ios-radius-card);border:1px solid var(--ios-border);box-shadow:var(--ios-shadow);padding:16px}.ios-card-flush{padding:0}.ios-card-compact{padding:12px}.ios-card-bordered{box-shadow:none}.ios-card-elevated{box-shadow:var(--ios-shadow-md)}.dt-auth-page{position:relative;overflow:hidden}.dt-auth-page:before{content:"";pointer-events:none;background:#4a90a41a;border-radius:50%;width:280px;height:280px;position:fixed;inset:-120px -80px auto auto}.dt-auth-page:after{content:"";pointer-events:none;background:#317e9412;border-radius:50%;width:260px;height:260px;position:fixed;inset:auto auto -140px -100px}.dt-auth-brand{z-index:1;position:relative}.dt-auth-mark{width:64px;height:64px;color:var(--ios-primary);background:linear-gradient(#fffffff5,#ffffffdb),#4a90a414;border:1px solid #4a90a429;border-radius:20px;place-items:center;margin:0 auto;display:grid;box-shadow:0 10px 26px #317e941f}.dt-auth-form{z-index:1;position:relative}.dt-trust-strip{flex-wrap:wrap;justify-content:center;gap:8px;margin-top:14px;display:flex}.dt-trust-pill{color:var(--ios-primary-dark);border-radius:var(--ios-radius-pill);background:#4a90a414;border:1px solid #4a90a41f;padding:5px 9px;font-size:11px;font-weight:700}.dt-section-shell{margin-bottom:16px}.dt-section-label{color:var(--ios-text-secondary);text-transform:uppercase;letter-spacing:.7px;margin:0 0 8px;padding:0 4px;font-size:11px;font-weight:800}.dt-section-card{background:var(--ios-surface);border-radius:var(--ios-radius-card);border:1px solid #e0e0e0e6;padding:16px;box-shadow:0 1px 6px #00000009}.dt-row-button{text-align:left;border-radius:var(--ios-radius);width:100%;color:var(--ios-text);cursor:pointer;background:#f6f8f8;border:1px solid #e0e0e0e6;padding:12px 13px;font-size:14px;font-weight:700;transition:background .15s,border-color .15s}.dt-row-button:hover{background:#4a90a40f;border-color:#4a90a438}.dt-empty-state{text-align:center;background:var(--ios-surface);border-radius:var(--ios-radius-lg);color:var(--ios-text-secondary);border:1px solid #e0e0e0e6;padding:28px 22px}.dt-error-panel{border-radius:var(--ios-radius);color:var(--ios-danger);background:#ec0b0b14;align-items:flex-start;gap:8px;padding:12px;font-size:13px;font-weight:600;line-height:1.4;display:flex}.dt-subtle-button{color:var(--ios-primary);border-radius:var(--ios-radius-pill);background:#4a90a41a;border:1px solid #4a90a41a;padding:6px 12px;font-size:12px;font-weight:700}.dt-home-hero{color:#fff;background:linear-gradient(135deg, #8fb8c5f5 0%, var(--ios-primary) 58%, var(--ios-primary-dark) 100%);margin:-16px calc(50% - 50vw) 0;padding:34px 24px 58px}.dt-home-hero-title{letter-spacing:-.6px;max-width:960px;margin:0 auto;font-size:32px;font-weight:750;line-height:1.12}@media 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