*,:before,:after{box-sizing:border-box}body{color:#000;background-color:#f7f8f9;margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}.app{color:#000;background-color:#f7f8f9;flex-direction:column;min-height:100vh;display:flex}.app--dark{color:#e5e7eb;background-color:#020617}.banner{text-align:center;color:#fff;background-color:#ff9800;padding:10px;font-size:clamp(14px,3.5vw,16px);font-weight:700}.header{color:#fff;background-color:#0073b1;flex-wrap:wrap;justify-content:space-between;align-items:center;row-gap:8px;padding:10px 16px;display:flex}.header-left{flex-shrink:1;align-items:center;gap:10px;min-width:0;display:flex}.header-logo{flex-shrink:0;height:32px}.header-title{white-space:nowrap;text-overflow:ellipsis;margin:0;font-size:clamp(18px,4vw,24px);line-height:1.2;overflow:hidden}.header-nav{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.header-link{color:#fff;font-size:clamp(14px,3.2vw,18px);font-weight:700;text-decoration:none}.header-toggle{white-space:nowrap}.main{flex-direction:column;flex:1;align-items:center;padding:16px;display:flex}.chat-input-wrapper{width:100%;max-width:680px;position:relative}.text-input,.textarea-input{background:#fff;border:1px solid #ccc;border-radius:6px;width:100%;padding:10px 12px;font-size:16px}.chat-input{padding:12px 15px;font-size:clamp(14px,3.5vw,16px)}.suggestions{z-index:10;width:100%;max-height:230px;margin:0;padding:0;list-style:none;position:absolute;top:48px;left:0;overflow-y:auto;box-shadow:0 4px 10px #0000001a}.suggestions--light{background-color:#fff}.suggestions--dark{background-color:#020617}.suggestions-item{cursor:pointer;border-bottom:1px solid #eee;padding:10px}.btn{cursor:pointer;border:none;border-radius:6px;font-size:14px}.btn--primary{color:#fff;background-color:#0073b1}.btn--fullwidth{width:100%}.btn--ghost{color:#fff;background-color:#ffffff1a;border:1px solid #fffc;border-radius:999px}.btn--success{color:#fff;background-color:#4caf50}.btn--danger{color:#fff;background-color:#f44336}.btn--small{padding:6px 10px}.btn--medium{padding:10px 16px}.card{color:#000;background-color:#fff;border-radius:8px;width:100%;max-width:680px;margin-top:20px;margin-left:auto;margin-right:auto;padding:20px;box-shadow:0 4px 10px #0000001a}.card--compact{border-radius:5px;margin-top:20px;padding:15px}.card--dark{color:#e5e7eb;background-color:#0b1120}.card-title{margin-top:0;margin-bottom:8px}.card-subtitle{color:#555;margin-top:0;margin-bottom:12px}.app--dark .card-subtitle{color:#9ca3af}.form-group{margin-bottom:12px}.form-label{margin-bottom:6px;font-size:14px;display:block}.checkbox-row{align-items:center;gap:8px;font-size:14px;display:flex}.form-footer{flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px;display:flex}.form-message{font-size:14px}.testimonials-empty{color:#666}.app--dark .testimonials-empty{color:#9ca3af}.testimonials-list{margin:0;padding:0;list-style:none}.testimonial-item{margin-bottom:16px}.testimonial-meta{color:#555;font-size:14px}.app--dark .testimonial-meta{color:#9ca3af}.footer{color:#fff;text-align:center;background-color:#0073b1;padding:15px}.footer a{color:#fff;font-weight:700;text-decoration:none}@media (max-width:400px){.card{padding:16px}.banner{padding-inline:8px}}