.calculator{background:linear-gradient(180deg,#fff 0%,#fbfdff 100%);border-radius:22px;padding:20px;box-shadow:0 10px 30px rgba(26,75,95,.08);margin:20px 0;border:1px solid #d9e3ee;position:relative;overflow:hidden}.calculator::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at top right,rgba(107,158,158,.12),transparent 38%),radial-gradient(circle at bottom left,rgba(26,75,95,.08),transparent 35%);pointer-events:none}.tabs{display:inline-flex;align-items:center;gap:8px;margin-bottom:20px;background:#f2f6fc;padding:6px;border-radius:14px;justify-content:flex-end;border:1px solid #d0ddee}@media(max-width:400px){.tabs{display:flex;flex-direction:column;align-items:stretch;width:100%}.tab-btn{width:100%;text-align:center}}.tab-btn{flex:0 0 auto;padding:10px 12px;border:none;border-radius:10px;background:transparent;cursor:pointer;font-weight:700;color:#2e546a;text-align:center;font-size:.9rem;transition:all .2s ease}.tab-btn.active{background:linear-gradient(135deg,#1a4b5f 0%,#2b6a79 100%);color:#fff;box-shadow:0 4px 12px rgba(26,75,95,.2)}.form-container{display:none}.form-container.active{display:block}.input-group{margin-bottom:20px}.input-label{display:block;color:#1a4b5f;font-weight:700;margin-bottom:10px;font-size:.95rem}.time-inputs{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.time-input-group{flex:1;display:flex;flex-direction:column}.time-input-label{display:block;color:#5a6c7d;font-weight:600;margin-bottom:6px;font-size:.8rem;text-align:center}.time-input{width:100%;padding:10px 12px;border:1.5px solid #ecdca8;border-radius:12px;text-align:center;cursor:pointer;background:#fefcf5;font-size:.95rem;color:#1a3f5c;transition:border-color .2s ease,box-shadow .2s ease}.time-input:focus{outline:none;border-color:#1a4b5f;box-shadow:0 0 0 4px rgba(26,75,95,.08);background:#fff}.calculate-btn{background:linear-gradient(135deg,#1a4b5f 0%,#2b6a79 100%);color:#fff;border:0;padding:10px 24px;border-radius:12px;cursor:pointer;font-weight:700;font-size:1rem;transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;margin:20px auto 0;display:block;width:auto;box-shadow:0 8px 18px rgba(26,75,95,.14)}.calculate-btn:hover{transform:translateY(-2px);box-shadow:0 12px 22px rgba(26,75,95,.18);filter:saturate(1.03)}.results-container{margin-top:25px;padding:20px;background:#fefcf5;border-radius:16px;border:1px solid #ecdca8;border-right:5px solid #6b9e9e;display:none;box-shadow:0 6px 16px rgba(0,0,0,.04)}.results-container.show{display:block}.results-title{color:#1a4b5f;font-size:1.1rem;margin-bottom:16px;padding-bottom:12px;border-bottom:2px solid #ecdca8;font-weight:800}.cycles-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}.cycle-card{background:#fff;padding:16px;border-radius:12px;border:1px solid #d0ddee;text-align:center;transition:transform .2s ease,box-shadow .2s ease;box-shadow:0 4px 12px rgba(0,0,0,.02)}.cycle-card:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(26,75,95,.08)}.cycle-card.recommended{border-top:3px solid #6b9e9e}.cycle-card.good{border-top:3px solid #fbbc04}.cycle-card.short{border-top:3px solid #ea4335}.cycle-time{font-size:1.2rem;font-weight:800;color:#1a4b5f;display:block;margin-bottom:6px}.cycle-label{color:#5a6c7d;font-size:.85rem;margin-bottom:4px;display:block}.cycle-duration{font-weight:700;font-size:.9rem;display:inline-block;padding:4px 12px;border-radius:20px}.cycle-card.recommended .cycle-duration{color:#6b9e9e;background:#f2f6fc}.cycle-card.good .cycle-duration{color:#fbbc04;background:#fff8e1}.cycle-card.short .cycle-duration{color:#ea4335;background:#fef0ef}.tips-container{background:#fff;padding:16px;border-radius:12px;margin-top:20px;border:1px solid #d0ddee}.tips-title{color:#1a4b5f;margin-bottom:12px;font-size:1rem;font-weight:700}.tips-list{padding-right:16px;margin:0}.tips-list li{margin-bottom:8px;line-height:1.5;font-size:.9rem;color:#1a3f5c}@media(max-width:768px){.calculator{padding:16px;margin:16px 0}.time-inputs{flex-wrap:wrap}.time-input-group{flex:0 0 calc(33.333% - 7px)}.cycles-grid{grid-template-columns:repeat(2,1fr);gap:10px}.calculate-btn{padding:10px 20px;width:auto}.cycle-card{padding:12px}.cycle-time{font-size:1rem}}@media(max-width:550px){.time-input-group{flex:0 0 calc(33.333% - 6px)}.time-input{padding:8px 6px;font-size:.85rem}}@media(max-width:480px){.cycles-grid{grid-template-columns:repeat(2,1fr);gap:8px}.cycle-card{padding:8px}.cycle-time{font-size:0.9rem}.cycle-label{font-size:.7rem}.cycle-duration{font-size:.75rem;padding:2px 6px}.tips-list li{font-size:.85rem}}@media(max-width:380px){.cycles-grid{grid-template-columns:1fr;gap:8px}.cycle-card{padding:10px}}