:root{--bg:#f7f7f8;--card:#fff;--text:#111;--muted:#666;--input-bg:#fff;--border:#dcdde1;--shadow:0 6px 24px rgba(20,20,30,0.06);--accent:#0b76ff;--danger:#611;--warning-bg:#fff7f0;--customs-border:#f2d9c4}
:root.dark{--bg:#0b0d10;--card:#0f1113;--text:#e6eef6;--muted:#9aa6b2;--input-bg:#101214;--border:#23272a;--shadow:0 6px 24px rgba(0,0,0,0.6);--accent:#58a6ff;--danger:#ffb3b3;--warning-bg:#1a1410;--customs-border:#3b2b22}
*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Arial;margin:16px;background:var(--bg);color:var(--text)}
.card{max-width:640px;margin:0 auto;padding:20px;background:var(--card);border-radius:8px;box-shadow:var(--shadow)}
h1{margin:0 0 12px;font-size:20px}label{display:block;margin-top:12px;font-weight:600}
input[type=number],select,.country-input{width:100%;padding:8px 10px;margin-top:6px;font-size:16px;border:1px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);height:56px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>div{flex:1;min-width:120px;border:1.5px solid rgba(0,0,0,0.04);border-radius:8px;padding:12px 10px 12px;display:flex;flex-direction:column;justify-content:center;min-height:84px;background:transparent;border-color:var(--border)}
.result{margin-top:18px;padding:12px;background:transparent;border-radius:6px}
.formula{font-family:monospace;background:transparent;padding:6px;border-radius:6px;display:inline-block}
.muted{color:var(--muted);font-size:14px}.note{margin-top:8px;color:var(--text)}
.autocomplete-wrapper{position:relative}
.dropdown{position:absolute;left:0;right:0;margin-top:6px;border:1px solid var(--border);background:var(--card);border-radius:8px;max-height:240px;overflow:auto;box-shadow:0 8px 30px rgba(0,0,0,0.12);list-style:none;padding:6px 0;margin:0;z-index:1000}
.dropdown li{padding:8px 12px;cursor:pointer;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--text)}
.dropdown li:hover,.dropdown li[aria-selected="true"]{background:rgba(0,0,0,0.04)}
#countrySelect,label[for=countrySelect]{display:none}
@media (max-width:768px){#countryInput,label[for=countryInput]{display:none}#countrySelect,label[for=countrySelect]{display:block}}
@media (max-width:600px){body{margin:8px}.card{padding:12px}h1{font-size:18px}input,select{font-size:14px;height:48px}}
.lang-row{display:flex;justify-content:flex-end;align-items:center;gap:12px}
.lang-select{width:170px;height:40px;padding:6px;border-radius:8px;border:1px solid var(--border);background:var(--input-bg);color:var(--text)}
.after-country{margin-top:6px}
.customs{margin-top:12px;padding:12px;background:var(--warning-bg);border:1px solid var(--customs-border);border-radius:6px;color:var(--text)}
.warning{margin-top:12px;padding:12px;background:#ffecec;border:1px solid #f5c2c2;border-radius:6px;color:var(--danger)}
.warning a{color:#522;text-decoration:underline}
.mode-row{margin:6px 0 12px}
.mode-block{display:flex;gap:12px;align-items:stretch}
.mode-cell{flex:1;border:1.5px solid var(--border);border-radius:8px;overflow:hidden;min-height:42px;display:flex;background:transparent}
.mode-toggle{display:flex;width:100%}
.mode-btn{flex:1;border:0;background:transparent;cursor:pointer;font-weight:700;display:flex;align-items:center;justify-content:center;font-size:16px;padding:0;height:100%;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,filter .12s ease;color:var(--text)}
.mode-btn + .mode-btn{border-left:1px solid rgba(0,0,0,0.06)}
.mode-btn:hover{color:var(--accent);background:rgba(11,118,255,0.04)}
.mode-btn.active{background:var(--accent);color:#fff;box-shadow:inset 0 -4px 12px rgba(0,0,0,0.06);filter:brightness(.92)}
.mode-btn:focus{outline:3px solid rgba(11,118,255,0.14);outline-offset:-3px}
.row>div input{margin-bottom:12px}
.switch-wrap{display:flex;align-items:center;gap:8px;margin-right:auto}
.theme-cell{display:flex;align-items:center;justify-content:center;width:170px;height:40px;border-radius:8px}
.theme-label{font-size:13px;color:var(--muted);margin-left:8px}
.switch{width:56px;height:32px;position:relative;border-radius:999px;background:linear-gradient(180deg,#e6eaf0,#dbe3f0);border:1px solid #cbd5e1;cursor:pointer;transition:background .18s ease,box-shadow .18s ease;display:block}
.switch input{display:none}
.switch .knob{position:absolute;top:50%;left:3px;width:26px;height:26px;border-radius:50%;background:#fff;box-shadow:0 2px 6px rgba(0,0,0,0.12);transition:transform .22s cubic-bezier(.2,.9,.3,1),background .18s ease;transform:translateY(-50%)}
.switch.on{background:linear-gradient(90deg,var(--accent),#3aa0ff);border-color:transparent}
.switch.on .knob{transform:translate(24px,-50%)}
.address-wrap{margin-top:12px;display:none;align-items:center;gap:10px;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}
.address-wrap label{font-weight:600;cursor:pointer}
.address-wrap input[type="checkbox"]{-webkit-appearance:none;appearance:none;width:20px;height:20px;min-width:20px;border-radius:6px;border:2px solid var(--border);background:transparent;position:relative;cursor:pointer;transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;display:inline-block;vertical-align:middle;box-sizing:border-box}
.address-wrap input[type="checkbox"]::after{content:"";position:absolute;left:3px;top:3px;width:calc(100% - 6px);height:calc(100% - 6px);border-radius:4px;background:var(--accent);transform:scale(0);transform-origin:center;transition:transform .22s cubic-bezier(.2,.9,.3,1),opacity .18s;opacity:0;pointer-events:none}
.address-wrap input[type="checkbox"]:checked{border-color:transparent}
.address-wrap input[type="checkbox"]:checked::after{transform:scale(1);opacity:1}
.address-wrap input[type="checkbox"]:focus{outline:3px solid rgba(11,118,255,0.14);outline-offset:2px;box-shadow:0 2px 8px rgba(11,118,255,0.06)}
.address-wrap label{display:inline-flex;align-items:center;margin:0;line-height:1;font-weight:600;cursor:pointer;color:var(--text)}
@media (max-width:600px){.address-wrap label{font-size:14px}.address-wrap input[type="checkbox"]{width:18px;height:18px;min-width:18px}}
#presenceWarning{color:#712e2e}
.pkg-btn{width:100%;margin-top:12px;padding:0 14px;height:56px;font-size:16px;font-weight:600;border:1.5px dashed var(--border);border-radius:8px;background:transparent;color:var(--text);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:border-color .18s,background .18s,color .18s}
.pkg-btn:hover{border-color:var(--accent);color:var(--accent);background:rgba(11,118,255,0.04)}
.pkg-btn.selected{border-style:dashed;border-color:var(--border);color:var(--text);background:transparent}
.pkg-btn.selected:hover{border-color:var(--accent);color:var(--accent);background:rgba(11,118,255,0.04)}
.pkg-btn .pkg-clear{margin-left:auto;font-size:18px;line-height:1;opacity:.5;padding:4px 2px}
.pkg-btn .pkg-clear:hover{opacity:1}
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.45);z-index:2000;display:flex;align-items:center;justify-content:center;padding:16px}
.modal-box{background:var(--card);border-radius:12px;box-shadow:0 16px 48px rgba(0,0,0,0.22);width:100%;max-width:480px;padding:20px;display:flex;flex-direction:column;gap:12px;max-height:90vh}
.modal-header{display:flex;align-items:center;justify-content:space-between}
.modal-title{font-size:17px;font-weight:700;margin:0}
.modal-close{border:0;background:transparent;font-size:22px;cursor:pointer;color:var(--muted);line-height:1;padding:4px 6px;border-radius:6px}
.modal-close:hover{color:var(--text);background:rgba(0,0,0,0.06)}
.modal-search{width:100%;padding:10px 12px;font-size:16px;border:1.5px solid var(--border);border-radius:8px;background:var(--input-bg);color:var(--text);outline:none}
.modal-search:focus{border-color:var(--accent)}
.modal-list{overflow-y:auto;display:flex;flex-direction:column;gap:6px;max-height:340px}
.pkg-item{border:1.5px solid var(--border);border-radius:8px;padding:12px 14px;cursor:pointer;transition:border-color .15s,background .15s}
.pkg-item:hover{border-color:var(--accent);background:rgba(11,118,255,0.04)}
.pkg-item-name{font-weight:700;font-size:15px}
.pkg-item-meta{font-size:13px;color:var(--muted);margin-top:3px}
.pkg-item-code{display:inline-block;background:var(--border);border-radius:4px;padding:1px 6px;font-size:12px;font-family:monospace;margin-right:6px;color:var(--text)}
.modal-empty{text-align:center;color:var(--muted);padding:24px 0;font-size:15px}