.thdb-card{box-sizing:border-box;max-width:820px;margin:20px auto;padding:28px 32px;background:#fff;border:1px solid #e3e3e3;border-radius:10px;box-shadow:0 1px 3px rgba(0,0,0,.05);color:#333}
.thdb-card *{box-sizing:border-box}
.thdb-title{margin:0 0 20px;font-size:32px;line-height:1.2;font-weight:700;color:#2b2b2b}
.thdb-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px}
.thdb-f{display:flex;flex-direction:column;gap:5px}
.thdb-f label{font-size:15px;color:#444}
.thdb-inline{display:flex;gap:8px}
.thdb-f input[type=date]{flex:1;min-width:0;height:40px;padding:6px 10px;font-size:16px;color:#222;background:#fff;border:1px solid #9a9a9a;border-radius:4px;box-shadow:none}
.thdb-f input[type=date]:focus{outline:none;border-color:#00669b;box-shadow:0 0 0 2px rgba(0,102,155,.2)}
.thdb-mini{cursor:pointer;height:40px;padding:0 14px;font-size:13px;font-weight:700;color:#00669b;background:#fff;border:1px solid #c9c9c9;border-radius:4px}
.thdb-mini:hover{border-color:#00669b}
.thdb-opts{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;margin-top:16px}
.thdb-check{display:flex;align-items:center;gap:8px;font-size:15px;color:#444;cursor:pointer}
.thdb-check input{width:18px;height:18px;margin:0}
.thdb-swap{cursor:pointer;padding:6px 4px;font-size:14px;color:#00669b;background:none;border:0;text-decoration:underline}
.thdb-buttons{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:20px}
.thdb-btn{cursor:pointer;height:42px;padding:0 26px;font-size:15px;font-weight:700;border-radius:4px;line-height:1}
.thdb-calc{color:#fff;background:#00669b;border:1px solid #00669b}
.thdb-calc:hover{background:#004f78;border-color:#004f78}
.thdb-share{color:#555;background:#fff;border:2px solid #c9c9c9}
.thdb-share:hover{border-color:#999;color:#333}
.thdb-reset{cursor:pointer;background:none;border:0;padding:8px 6px;font-size:14px;color:#00669b;text-decoration:underline}
.thdb-message{margin-top:16px;font-size:15px;line-height:1.5}
.thdb-message.thdb-error{color:#b3261e;background:#fdeceb;border:1px solid #f5c6c2;border-radius:4px;padding:10px 14px}
.thdb-message.thdb-ok{color:#14532d;background:#ecfdf3;border:1px solid #bbf7d0;border-radius:4px;padding:10px 14px}
.thdb-results{margin-top:24px;padding-top:22px;border-top:1px solid #e3e3e3}
.thdb-big{padding:18px 20px;margin-bottom:18px;background:#f2f8fc;border:1px solid #cfe3ef;border-radius:8px}
.thdb-big span{display:block;font-size:14px;color:#4a5560}
.thdb-big strong{display:block;margin-top:2px;font-size:34px;line-height:1.2;color:#00669b}
.thdb-big em{display:block;margin-top:4px;font-style:normal;font-size:14px;color:#4a5560}
.thdb-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px}
.thdb-stat{padding:12px 14px;border:1px solid #e3e3e3;border-radius:6px}
.thdb-stat span{display:block;font-size:13px;color:#6b7280}
.thdb-stat strong{display:block;margin-top:2px;font-size:18px;color:#222}
@media (max-width:640px){
.thdb-card{padding:20px 16px}
.thdb-title{font-size:26px}
.thdb-grid{grid-template-columns:1fr}
.thdb-big strong{font-size:28px}
.thdb-btn{flex:1 1 140px}
}