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a{font-size:18px;font-weight:700;color:var(--color-text);text-decoration:none;letter-spacing:-.3px}.header-right{display:flex;align-items:center;gap:16px}.user-email{font-size:14px;color:var(--color-text-secondary)}.btn-signout{font-size:13px;padding:6px 12px;border:1px solid var(--color-border);border-radius:var(--radius-sm);background:var(--color-surface);color:var(--color-text-secondary);transition:all .15s}.btn-signout:hover{background:var(--color-bg);color:var(--color-text)}.app-main{flex:1;max-width:1200px;width:100%;margin:0 auto;padding:24px}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px;color:var(--color-text-secondary)}.loading-spinner{width:32px;height:32px;border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}@media (max-width: 768px){.app-header{padding:0 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