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#a29bfe;--color-primary-dark: #4a3db5;--color-bg: #1a1a2e;--color-bg-secondary: #16213e;--color-bg-tertiary: #0f3460;--color-surface: #1e2a45;--color-surface-hover: #253554;--color-text: #eaeaea;--color-text-secondary: #a0a0b8;--color-text-muted: #6b6b80;--color-border: #2a2a4a;--color-user-bubble: #6c5ce7;--color-assistant-bubble: #2d2d4a;--color-danger: #e74c3c;--color-success: #2ecc71;--font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Hiragino Sans", "Noto Sans JP", sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.25rem;--font-size-2xl: 1.5rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--spacing-2xl: 3rem;--radius-sm: .375rem;--radius-md: .75rem;--radius-lg: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 15px rgba(0, 0, 0, .4);--transition-fast: .15s ease;--transition-normal: .25s ease;--header-height: 3.5rem;--max-content-width: 48rem;--input-bar-height: 4rem}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);font-size:var(--font-size-base);line-height:1.6;color:var(--color-text);background-color:var(--color-bg);min-height:100dvh;overflow-x:hidden;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}#app{min-height:100dvh;display:flex;flex-direction:column}a{color:var(--color-primary-light);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;font-size:inherit;cursor:pointer;border:none;background:none;color:inherit}input,textarea{font-family:inherit;font-size:var(--font-size-base);color:var(--color-text);background-color:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:var(--spacing-sm) var(--spacing-md);outline:none;transition:border-color var(--transition-fast)}input:focus,textarea:focus{border-color:var(--color-primary)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background-color:var(--color-border);border-radius:var(--radius-full)}::-webkit-scrollbar-thumb:hover{background-color:var(--color-text-muted)}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}