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.pptx-mini-title{color:#fff}.pptx-mini-subtitle{font-size:6px;color:#818cf8;margin-top:1px}.pptx-mini-bullets{display:flex;flex-direction:column;gap:1px}.pptx-mini-bullet{font-size:6px;color:#374151;line-height:1.3;white-space:nowrap;overflow:hidden}.pptx-mini--dark .pptx-mini-bullet{color:#c7d2fe}.pptx-mini-index{position:absolute;bottom:2px;right:3px;font-size:6px;color:#9ca3af}.pptx-card-footer{padding:8px 10px;display:flex;gap:6px}.pptx-card-error{margin:0 10px 8px;padding:6px 8px;border-radius:6px;background:#fef2f2;color:#b91c1c;font-size:11px;line-height:1.4}.pptx-btn{flex:1;padding:6px 0;border-radius:7px;font-size:12px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:4px;transition:background .15s,opacity .15s}.pptx-btn--outline{border:1.5px solid 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64px;--sidebar-width: 268px;--composer-max-width: 760px;--header-height: 56px;--radius-sm: 6px;--radius-md: 10px;--radius-lg: 14px;--radius-2xl: 24px;--radius-full: 999px;--shadow-xs: 0 1px 2px rgba(20, 26, 31, .05);--shadow-sm: 0 1px 2px rgba(20, 26, 31, .06), 0 1px 3px rgba(20, 26, 31, .05);--shadow-md: 0 2px 4px rgba(20, 26, 31, .05), 0 4px 12px rgba(20, 26, 31, .07);--shadow-xl: 0 8px 16px rgba(20, 26, 31, .06), 0 24px 56px rgba(20, 26, 31, .14);--shadow-accent: 0 4px 16px rgba(58, 102, 240, .28);--ease-standard: cubic-bezier(.2, 0, 0, 1);--duration-fast: .12s;--duration-base: .18s;height:100vh;overflow:hidden;font-family:var(--font-ui);color:var(--text-primary);background:var(--surface-card);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}.bcm-root *{box-sizing:border-box}.bcm-root .app{display:flex;height:100%;overflow:hidden}.bcm-root .sidebar{width:var(--sidebar-width);flex:none;background:var(--gray-25);border-right:1px solid var(--border-default);display:flex;flex-direction:column;min-height:0}.bcm-root .app.app--sidebar-collapsed .sidebar{width:52px;flex:0 0 52px;overflow:hidden}.bcm-root .app.app--sidebar-collapsed .sidebar .logo,.bcm-root .app.app--sidebar-collapsed .sidebar .brand-name,.bcm-root .app.app--sidebar-collapsed .sidebar .sb-scroll{display:none}.bcm-root .app.app--sidebar-collapsed .sidebar .sb-head{justify-content:center;padding:0}.bcm-root .sb-head{height:var(--header-height);display:flex;align-items:center;gap:var(--space-2-5);padding:0 var(--space-3) 0 var(--space-4)}.bcm-root .logo{height:26px;width:auto;flex:none;display:block}.bcm-root .brand-name{font-family:var(--font-display);font-weight:var(--weight-bold);font-size:var(--text-md);letter-spacing:var(--tracking-snug);flex:1}.bcm-root .icon-btn{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;border:none;background:transparent;border-radius:var(--radius-sm);color:var(--text-tertiary);cursor:pointer;transition:background var(--duration-fast) var(--ease-standard),color var(--duration-fast) var(--ease-standard)}.bcm-root .icon-btn:hover{background:var(--bg-subtle);color:var(--text-secondary)}.bcm-root .icon-btn svg{width:18px;height:18px}.bcm-root .sb-scroll{flex:1;min-height:0;overflow-y:auto;padding:var(--space-2) var(--space-3) var(--space-4)}.bcm-root .new-chat{display:flex;align-items:center;gap:var(--space-2-5);width:100%;padding:var(--space-2-5) var(--space-3);background:var(--surface-card);border:1px solid var(--border-default);border-radius:var(--radius-lg);box-shadow:var(--shadow-xs);font:var(--type-title);color:var(--text-primary);cursor:pointer;text-align:left;transition:box-shadow var(--duration-fast) var(--ease-standard),border-color var(--duration-fast) var(--ease-standard)}.bcm-root .new-chat:hover{box-shadow:var(--shadow-sm);border-color:var(--border-strong)}.bcm-root .nc-mark{width:24px;height:24px;flex:none;border-radius:var(--radius-sm);background:var(--accent-soft);display:inline-flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--shadow-accent)}.bcm-root .nc-mark svg{width:14px;height:14px}.bcm-root .sb-section-label{font:var(--type-caption);font-weight:var(--weight-semibold);color:var(--text-tertiary);letter-spacing:var(--tracking-wide);padding:var(--space-2) var(--space-2) var(--space-1-5);display:flex;align-items:center;justify-content:space-between;margin-top:var(--space-4)}.bcm-root .sb-time{font:var(--type-caption);font-weight:var(--weight-semibold);color:var(--text-tertiary);letter-spacing:var(--tracking-wide);padding:var(--space-3) var(--space-2) var(--space-1)}.bcm-root .chat-row{display:flex;align-items:center;justify-content:space-between;width:100%;padding:var(--space-2) 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