:root{--bg-color: #f5f5f5;--card-bg: #ffffff;--text-color: #212529;--border-color: #d0d0d0;--primary-color: #0d6efd;--primary-hover: #0b5ed7;--result-bg: rgba(240, 248, 255, .92);--dose-bg: rgba(255, 243, 205, .92);--note-bg: rgba(233, 236, 239, .92);--warning-color: #c00;--tab-bg: rgba(233, 236, 239, .9);--highlight-color: #d9480f}[data-theme=dark]{--bg-color: #10121a;--card-bg: rgba(23, 26, 35, .98);--text-color: #f1f3f5;--border-color: #333a46;--primary-color: #4dabf7;--primary-hover: #339af0;--result-bg: rgba(27, 40, 56, .92);--dose-bg: rgba(44, 38, 20, .92);--note-bg: rgba(35, 40, 55, .95);--warning-color: #ff6b6b;--tab-bg: rgba(35, 40, 55, .9);--highlight-color: #ffd43b}@font-face{font-family:Vazirmatn;src:url(/fonts/Vazirmatn.woff2) format("woff2");font-weight:100 900;font-display:swap}@font-face{font-family:Inter;src:url(/fonts/Inter.woff2) format("woff2");font-weight:100 900;font-display:swap}*,*:before,*:after{box-sizing:border-box}html,body{margin:0;padding:0;height:100%}body{font-family:Vazirmatn,Inter,sans-serif;direction:rtl;color:var(--text-color);background:radial-gradient(circle at center,#f8fafc,#e9edf5,#dce2f0);min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:0 8px 16px;transition:background .25s ease,color .25s ease}[data-theme=dark] body,body:has([data-theme=dark]){background:radial-gradient(circle at center,#050608,#02030a 60%,#000)}.app-wrapper{width:100%;display:flex;flex-direction:column;align-items:center;min-height:100vh;background:inherit;transition:background .25s ease,color .25s ease;color:var(--text-color)}[data-theme=dark].app-wrapper{background:radial-gradient(circle at center,#050608,#02030a 60%,#000)}.top-bar{width:100%;max-width:960px;margin-top:10px;padding:0 4px;display:flex;justify-content:space-between;align-items:center;font-weight:700}.header-area{display:flex;align-items:center;gap:10px;text-align:right}.top-title{font-size:18px;font-weight:600;white-space:nowrap}.theme-toggle{display:inline-flex;align-items:center;cursor:pointer}.theme-toggle input{position:absolute;opacity:0;width:0;height:0}.theme-icon{width:34px;height:34px;border-radius:999px;display:flex;align-items:center;justify-content:center;font-size:18px;background:#0000000d;border:1px solid rgba(0,0,0,.08);transition:background .2s ease,transform .1s ease}.theme-toggle:hover .theme-icon{transform:translateY(-1px);background:#00000014}[data-theme=dark] .theme-icon{background:#ffffff0d;border-color:#ffffff2e}.container{width:100%;max-width:960px;margin-top:10px;background:var(--card-bg);padding:20px 20px 24px;border-radius:16px;box-shadow:0 10px 30px #00000040;display:flex;flex-direction:column;min-height:calc(100vh - 70px);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}h1{font-size:22px;text-align:center;margin:0 0 10px}.sub-title{text-align:center;font-size:13px;opacity:.8;margin-bottom:12px}.warning{margin-top:4px;margin-bottom:15px;font-size:12px;line-height:1.7;color:var(--warning-color);background:#fff3cdbf;border-radius:10px;padding:10px;border:1px solid rgba(255,193,7,.7)}[data-theme=dark] .warning{background:#ffffff0f;border-color:#ff6b6bb3}.tabs{display:flex;gap:4px;margin-bottom:14px;background:var(--tab-bg);border-radius:999px;padding:3px}.tab-btn{flex:1;border-radius:999px;border:none;background:transparent;padding:6px 8px;font-size:13px;cursor:pointer;font-family:inherit;transition:background .15s ease,color .15s ease,box-shadow .15s ease;color:var(--text-color)}.tab-btn.active{background:var(--card-bg);box-shadow:0 2px 8px #0000001f}.field{margin-bottom:15px}label{display:block;margin-bottom:5px;font-weight:500;font-size:14px}input[type=number],select{width:100%;padding:9px 11px;border-radius:10px;border:1px solid var(--border-color);font-size:14px;background:#ffffff05;color:var(--text-color);font-family:inherit;outline:none;transition:border-color .2s ease,box-shadow .2s ease}input[type=number]::placeholder{color:#999}input[type=number]:focus,select:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px #0d6efd33}[data-theme=dark] input[type=number],[data-theme=dark] select{background:#00000040}.btn-row{display:flex;gap:10px;margin-top:5px}button{padding:10px;border-radius:12px;cursor:pointer;font-weight:500;border:none;font-family:inherit;transition:background .2s ease,transform .05s ease,box-shadow .15s ease}.btn-primary{background:var(--primary-color);color:#fff;width:100%;box-shadow:0 6px 15px #0d6efd40}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 8px 20px #0d6efd59}.btn-primary:active{transform:translateY(1px);box-shadow:0 4px 10px #0d6efd33}.btn-secondary{background:transparent;border:1px solid var(--border-color);width:100%;color:var(--text-color)}.btn-secondary:hover{background:#00000008}[data-theme=dark] .btn-secondary:hover{background:#ffffff0a}.result-box,.dose-box,.note-box{border-radius:12px;font-size:14px}.result-box{margin-top:20px;padding:12px;background:var(--result-bg);line-height:1.8;color:var(--text-color)}.dose-box{margin-top:10px;padding:10px;background:var(--dose-bg);color:var(--text-color)}.note-box{margin-top:10px;padding:10px;background:var(--note-bg);white-space:pre-line;color:var(--text-color)}.highlight-dose{color:var(--highlight-color);font-weight:700}.warning-inline{color:var(--warning-color);font-weight:600}.footer{margin-top:auto;text-align:center;font-size:13px;opacity:.9;padding-top:12px;border-top:1px dashed rgba(0,0,0,.12)}[data-theme=dark] .footer{border-top-color:#ffffff2e}.footer a{text-decoration:none;font-weight:600;color:var(--primary-color)}.footer a:hover{text-decoration:underline}@media (max-width: 600px){.top-bar{flex-direction:row;align-items:center}.header-area{max-width:70%}.top-title{font-size:16px}.container{margin-top:8px;padding:16px 14px 20px;border-radius:14px;min-height:auto}h1{font-size:18px}.sub-title{font-size:12px}label,input[type=number],select,button{font-size:13px}.btn-row{flex-direction:column}}