.pca-preview-floating-icons[data-v-71d23dc0]{--floating-chat-right:max(22px,env(safe-area-inset-right,0px));--floating-chat-bottom:max(22px,env(safe-area-inset-bottom,0px));--floating-chat-size:64px;--channel-talk-size:56px;--floating-chat-gap:8px;position:absolute;right:var(--floating-chat-right);bottom:var(--floating-chat-bottom);z-index:20;display:flex;align-items:flex-end;gap:var(--floating-chat-gap);pointer-events:none}.pca-preview-floating-icons.is-compact[data-v-71d23dc0]{--floating-chat-bottom:max(18px,env(safe-area-inset-bottom,0px));--floating-chat-size:48px;--channel-talk-size:42px;--floating-chat-gap:6px}.pca-preview-channel-btn[data-v-71d23dc0],.pca-preview-socrates-btn[data-v-71d23dc0]{pointer-events:none;border:none;border-radius:50%;cursor:default;display:flex;align-items:center;justify-content:center;flex-shrink:0}.pca-preview-socrates-btn[data-v-71d23dc0]{width:var(--floating-chat-size);height:var(--floating-chat-size);background:linear-gradient(135deg,#ffd94a,#ffc107);box-shadow:0 4px 20px rgba(255,193,7,.5)}.pca-preview-channel-btn[data-v-71d23dc0]{width:var(--channel-talk-size);height:var(--channel-talk-size);background:#3182f6;color:#fff;box-shadow:0 4px 16px rgba(49,130,246,.35)}.pca-preview-channel-btn svg[data-v-71d23dc0]{width:58%;height:58%}body,html{margin:0;overflow:hidden}#app,body,html{width:100%;height:100%}#app{display:block}body.problem-compose-preview-page #ch-plugin,body.problem-compose-preview-page #ch-plugin-launcher,body.problem-compose-preview-page .ch-desk-messenger,body.problem-compose-preview-page .ch-mobile-messenger,body.problem-compose-preview-page iframe[id^=ch-],html.problem-compose-preview-page #ch-plugin,html.problem-compose-preview-page #ch-plugin-launcher,html.problem-compose-preview-page .ch-desk-messenger,html.problem-compose-preview-page .ch-mobile-messenger,html.problem-compose-preview-page iframe[id^=ch-]{display:none!important;visibility:hidden!important;opacity:0!important;pointer-events:none!important}.pca-preview-page[data-v-adb500f2]{position:relative;height:100%;background:#fff;flex-direction:column;font-family:Pretendard,Apple SD Gothic Neo,sans-serif}.pca-preview-body[data-v-adb500f2],.pca-preview-page[data-v-adb500f2]{box-sizing:border-box;width:100%;min-height:0;overflow:hidden;display:flex}.pca-preview-body[data-v-adb500f2]{flex-direction:column;flex:1 1 auto;max-width:700px;margin:0 auto;padding:0 16px 16px}.pca-preview-body[data-v-adb500f2] .student-solving-problem-panel{flex:1 1 auto;min-height:0;height:100%;max-width:none;width:100%}.pca-preview-body[data-v-adb500f2] .img-wrap,.pca-preview-body[data-v-adb500f2] .iw-text-problem{width:100%}