:root{--color-primary: #0097a7;--color-primary-hover: #00838f;--color-primary-light: #e0f7fa;--color-primary-soft: #b2ebf2;--color-secondary: #37474f;--color-secondary-light: #455a64;--color-secondary-soft: #eceff1;--color-bg: #f5f7fa;--color-surface: #ffffff;--color-surface-subtle: #f0f4f8;--color-text: #1b2a4a;--color-text-secondary: #546e7a;--color-text-inverse: #ffffff;--color-text-disabled: #90a4ae;--color-error: #c62828;--color-error-bg: #ffebee;--color-success-bg: #e8f5e9;--color-success-text: #2e7d32;--color-border: #e0e6ed;--color-border-focus: #0097a7;--color-border-subtle: #edf1f5;--color-user-bubble: #0097a7;--color-user-text: #ffffff;--color-assistant-bubble: #f0f4f8;--color-assistant-text: #1b2a4a;--color-system-bubble: #e8eaf6;--color-system-text: #283593;--font-family: "DM Sans", system-ui, -apple-system, sans-serif;--font-size-xs: .75rem;--font-size-sm: .875rem;--font-size-base: 1rem;--font-size-lg: 1.125rem;--font-size-xl: 1.5rem;--font-size-2xl: 2rem;--spacing-xs: .25rem;--spacing-sm: .5rem;--spacing-md: 1rem;--spacing-lg: 1.5rem;--spacing-xl: 2rem;--radius-sm: .375rem;--radius-md: .5rem;--radius-lg: .75rem;--radius-xl: 1rem;--radius-full: 9999px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .07), 0 2px 4px -2px rgba(0, 0, 0, .05);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .08), 0 4px 6px -4px rgba(0, 0, 0, .04);--shadow-input-bar: 0 -4px 20px rgba(0, 0, 0, .06);--ease-default: cubic-bezier(.4, 0, .2, 1);--ease-enter: cubic-bezier(0, 0, .2, 1);--ease-exit: cubic-bezier(.4, 0, 1, 1);--ease-bounce: cubic-bezier(.34, 1.56, .64, 1);--safe-area-top: env(safe-area-inset-top, 0px);--safe-area-bottom: env(safe-area-inset-bottom, 0px);--safe-area-left: env(safe-area-inset-left, 0px);--safe-area-right: env(safe-area-inset-right, 0px);--keyboard-height: 0px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body{height:100%;font-family:var(--font-family);font-size:var(--font-size-base);color:var(--color-text);background:var(--color-bg);line-height:1.5;-webkit-font-smoothing:antialiased;-webkit-overflow-scrolling:touch;overscroll-behavior:none}*:focus-visible{outline:2px solid var(--color-primary);outline-offset:2px}button{font:inherit;cursor:pointer;border:none;background:none}input,textarea{font:inherit;border:none;background:none}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}