/* ===== CALCULATOR PAGE STYLES ===== */

#app{position:relative;z-index:1}

/* Loading Screen */
.loading-screen{
  position:fixed;inset:0;z-index:9999;
  background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  transition:opacity .3s;
}
.loading-screen.fade-out{opacity:0;pointer-events:none}
.loading-spinner{
  width:40px;height:40px;border:3px solid var(--bdr);border-top-color:var(--ac);
  border-radius:50%;animation:spin .8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}
.loading-text{font-size:14px;color:var(--dim);font-weight:600}
.loading-progress{font-size:12px;color:var(--mute)}

/* Contact Bar */
.contact-bar{padding:8px 16px;border-bottom:1px solid var(--bdr);background:rgba(14,165,233,.06)}
body.light .contact-bar{background:rgba(0,119,204,.06)}
.contact-in{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap}
.contact-in a{color:var(--dim);text-decoration:none;font-size:13px;font-weight:500;white-space:nowrap;padding:4px 0;-webkit-tap-highlight-color:transparent}
.contact-in a:active{color:var(--ac)}
.contact-in .sep{color:var(--bdr);font-size:10px}

/* Header */
.hdr{border-bottom:1px solid var(--bdr);padding:0 16px;background:var(--hdr-bg);backdrop-filter:blur(12px);position:sticky;top:0;z-index:200}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:48px}
.logo{display:flex;align-items:center;gap:8px;min-width:0;overflow:hidden}
.logo-img{height:28px;width:auto;border-radius:4px;flex-shrink:0}
.logo-tx{font-size:13px;font-weight:800;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.hdr-right{display:flex;align-items:center;gap:6px;flex-shrink:0}
.badge{background:var(--glow);border:1px solid var(--ac);color:var(--ac);font-size:10px;font-weight:700;padding:3px 8px;border-radius:20px;font-family:'IBM Plex Mono',monospace;white-space:nowrap}
.theme-toggle{background:var(--s2);border:1px solid var(--bdr);color:var(--dim);width:36px;height:36px;border-radius:8px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center;transition:all .18s;flex-shrink:0;line-height:1;-webkit-tap-highlight-color:transparent}
.theme-toggle:active{border-color:var(--ac);color:var(--ac)}

/* Tab Nav */
.tab-nav{border-bottom:1px solid var(--bdr);background:var(--nav-bg);backdrop-filter:blur(8px);position:sticky;top:48px;z-index:190;padding:0 16px}
.tab-nav-in{display:flex}
.tab-btn{flex:1;padding:12px 8px;border:none;background:transparent;color:var(--mute);font-size:14px;font-weight:600;font-family:'Noto Sans KR',sans-serif;cursor:pointer;border-bottom:2px solid transparent;transition:all .18s;white-space:nowrap;text-align:center;-webkit-tap-highlight-color:transparent;min-height:44px}
.tab-btn.on{color:var(--ac);border-bottom-color:var(--ac)}
.tab-btn:active:not(.on){color:var(--txt)}

/* Main */
.main{padding:16px 16px 100px}
.tab-panel{display:none}.tab-panel.on{display:block}

/* Hero */
.hero{margin-bottom:16px;padding:16px;background:linear-gradient(135deg,rgba(14,165,233,.07),rgba(99,102,241,.05));border:1px solid var(--bdr);border-radius:12px;position:relative;overflow:hidden}
.hero::after{content:'🚛';position:absolute;right:12px;bottom:-10px;font-size:50px;opacity:.06;transform:scaleX(-1)}
.hero-title-row{display:flex;align-items:center;gap:12px}
.hero-logo{height:40px;width:auto;flex-shrink:0;border-radius:4px}
.hero h1{font-size:17px;font-weight:900;letter-spacing:-.5px;background:linear-gradient(135deg,#e2e8f0,var(--ac2));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:3px}
body.light .hero h1{background:linear-gradient(135deg,#1e293b,var(--ac));-webkit-background-clip:text;background-clip:text}
.hero p{color:var(--dim);font-size:13px;line-height:1.6}
.hero-chips{display:flex;gap:8px;margin-top:8px;flex-wrap:wrap}
.chip{font-size:13px;color:var(--dim)}.chip b{color:var(--ac)}

/* Cards */
.card{background:var(--s1);border:1px solid var(--bdr);border-radius:12px;margin-bottom:12px;overflow:hidden}
.card-head{padding:14px 16px;display:flex;align-items:center;justify-content:space-between;cursor:default;min-height:48px}
.card-body{padding:0 16px 16px}
.ctitle{font-size:12px;font-weight:800;color:var(--mute);text-transform:uppercase;letter-spacing:1px;display:flex;align-items:center;gap:7px}
.ctitle::before{content:'';width:3px;height:12px;background:var(--ac);border-radius:2px;flex-shrink:0}
.ctitle.purple::before{background:var(--purple)}
.ctitle.green::before{background:var(--ok)}
.collapse-btn{background:none;border:none;color:var(--mute);cursor:pointer;font-size:18px;padding:4px 8px;border-radius:6px;transition:all .18s;line-height:1;min-width:36px;min-height:36px;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}

/* Form Elements */
label{display:block;font-size:13px;font-weight:700;color:var(--mute);margin-bottom:6px;letter-spacing:.3px}
select,input[type=text],input[type=number]{width:100%;background:var(--s2);border:1px solid var(--bdr);color:var(--txt);padding:12px 14px;border-radius:10px;font-size:16px;font-family:'Noto Sans KR',sans-serif;outline:none;transition:border-color .18s,box-shadow .18s;appearance:none;-webkit-appearance:none;min-height:48px}
select{cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:36px}
select:focus,input:focus{border-color:var(--ac);box-shadow:0 0 0 3px var(--glow)}
select option{background:var(--s2)}
.row2,.row3{display:grid;grid-template-columns:1fr;gap:10px}
.fld{margin-bottom:14px}

/* Search */
.addr-wrap{position:relative;margin-bottom:10px}
.addr-input-row{display:flex;gap:8px;position:relative}
.addr-input-row input{flex:1}
.addr-clear{position:absolute;right:14px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--mute);cursor:pointer;font-size:20px;line-height:1;padding:4px;min-width:36px;min-height:36px;display:flex;align-items:center;justify-content:center}
.addr-clear:active{color:var(--txt)}
.search-dropdown{position:absolute;top:100%;left:0;right:0;background:var(--s1);border:1px solid var(--ac);border-radius:12px;z-index:300;max-height:60vh;overflow-y:auto;margin-top:4px;box-shadow:0 8px 24px rgba(0,0,0,.4);-webkit-overflow-scrolling:touch}
.search-item{padding:14px 16px;cursor:pointer;border-bottom:1px solid var(--bdr);transition:background .15s;display:flex;flex-direction:column;gap:3px;min-height:48px;-webkit-tap-highlight-color:transparent}
.search-item:last-child{border-bottom:none}
.search-item:active{background:var(--s2)}
.search-item-main{font-size:16px;font-weight:600}
.search-item-sub{font-size:13px;color:var(--mute)}
.search-item-match{color:var(--ac)}
.search-empty{padding:20px;text-align:center;color:var(--mute);font-size:14px}
.search-hint{font-size:13px;color:var(--mute);margin-top:6px;line-height:1.6}

/* Route Bar */
.route-bar{display:flex;flex-direction:column;gap:4px;padding:12px 14px;background:rgba(14,165,233,.06);border:1px solid var(--ac);border-radius:10px;font-size:14px;margin-top:8px;position:relative}
.route-port{font-weight:800;color:var(--ac)}
.route-arr{color:var(--mute)}
.route-dest{color:var(--txt);font-weight:600}
.route-dist{font-family:'IBM Plex Mono',monospace;font-size:12px;color:var(--ok)}
.route-est{font-size:11px;color:var(--warn);background:rgba(245,158,11,.1);padding:3px 8px;border-radius:4px;font-weight:700;align-self:flex-start}
.route-reset{background:none;border:none;color:var(--mute);cursor:pointer;font-size:20px;line-height:1;min-width:36px;min-height:36px;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent;position:absolute;right:8px;top:8px}
.route-reset:active{color:var(--err)}

/* Toggle Buttons */
.tog{display:flex;background:var(--s2);border:1px solid var(--bdr);border-radius:10px;padding:3px;gap:3px}
.tog-btn{flex:1;padding:10px 4px;border:none;background:transparent;color:var(--mute);font-size:13px;font-weight:600;font-family:'Noto Sans KR',sans-serif;border-radius:8px;cursor:pointer;transition:all .18s;text-align:center;line-height:1.3;min-height:44px;-webkit-tap-highlight-color:transparent}
.tog-btn.on{background:var(--ac);color:#fff;box-shadow:0 2px 8px rgba(14,165,233,.4)}
.tog-btn:active:not(.on){color:var(--txt);background:var(--bdr)}

/* Calc Button */
.calc-btn{width:100%;padding:16px;background:linear-gradient(135deg,var(--ac),#6366f1);border:none;border-radius:12px;color:#fff;font-size:16px;font-weight:700;font-family:'Noto Sans KR',sans-serif;cursor:pointer;transition:all .2s;letter-spacing:-.2px;min-height:52px;-webkit-tap-highlight-color:transparent}
body.light .calc-btn{background:linear-gradient(135deg,var(--ac),#4f46e5)}
.calc-btn:active:not(:disabled){opacity:.85;transform:scale(.98)}
.calc-btn:disabled{opacity:.35;cursor:not-allowed}

/* Surcharge Grid */
.sur-grid{display:grid;grid-template-columns:1fr;gap:8px}
.sur-item{display:flex;align-items:center;gap:10px;padding:12px 14px;background:var(--s2);border:1px solid var(--bdr);border-radius:10px;cursor:pointer;transition:all .18s;user-select:none;-webkit-tap-highlight-color:transparent;min-height:48px}
.sur-item:active{border-color:var(--ac)}.sur-item.on{background:var(--glow);border-color:var(--ac)}
.sur-chk{width:18px;height:18px;border:2px solid var(--bdr);border-radius:4px;flex-shrink:0;display:flex;align-items:center;justify-content:center;transition:all .15s;font-size:11px}
.sur-item.on .sur-chk{background:var(--ac);border-color:var(--ac);color:#fff}
.sur-lbl{font-size:14px;flex:1}.sur-rate{font-size:12px;color:var(--ac);font-weight:700;font-family:'IBM Plex Mono',monospace;white-space:nowrap}
.grp-lbl{font-size:11px;color:var(--mute);font-weight:700;text-transform:uppercase;letter-spacing:1px;margin-bottom:6px;margin-top:16px}
.grp-lbl:first-child{margin-top:0}
.num-row{display:flex;align-items:center;gap:8px;margin-top:8px}
.num-row input{flex:1}.num-unit{font-size:14px;color:var(--mute);white-space:nowrap}
.sur-summary{display:flex;flex-wrap:wrap;gap:6px;padding:12px 16px}
.sur-tag{font-size:12px;padding:4px 10px;background:var(--glow);border:1px solid var(--ac);border-radius:12px;color:var(--ac);font-weight:600}
.sur-none{font-size:13px;color:var(--mute);padding:2px 0}

/* Extra Fees */
.extra-grid{display:grid;grid-template-columns:1fr;gap:8px}
.extra-item{display:flex;align-items:center;justify-content:space-between;padding:12px 14px;background:var(--s2);border:1px solid var(--bdr);border-radius:10px;cursor:pointer;transition:all .18s;user-select:none;-webkit-tap-highlight-color:transparent;min-height:48px}
.extra-item:active{border-color:var(--warn)}.extra-item.on{background:rgba(245,158,11,.08);border-color:var(--warn)}
.extra-lbl{font-size:14px}.extra-amt{font-size:13px;color:var(--warn);font-weight:700;font-family:'IBM Plex Mono',monospace}

/* Result */
.result{background:linear-gradient(135deg,var(--s1),rgba(14,165,233,.04));border:1px solid var(--ac);border-radius:14px;padding:16px;margin-top:14px;position:relative;overflow:hidden;animation:fadeIn .3s ease}
.result::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--ac),#6366f1,var(--ac))}

/* Fare table */
.fare-compare{margin-bottom:12px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.fare-tbl{width:100%;border-collapse:separate;border-spacing:0}
.fare-tbl thead{display:none}
.fare-tbl tbody{display:flex;flex-direction:column;gap:8px}
.fare-type-row{display:flex;flex-direction:column;padding:14px;background:var(--bg);border:1px solid var(--bdr);border-radius:10px}
.fare-type-row td{display:block;padding:0;border:none}
.fare-type-label{font-size:14px;font-weight:700;line-height:1.5;margin-bottom:8px}
.fare-sub{font-size:12px;font-weight:400;color:var(--mute)}
.fare-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px;vertical-align:middle}
.dot-blue{background:var(--ac)}.dot-purple{background:var(--purple)}.dot-green{background:var(--ok)}
.fare-val{text-align:left;font-family:'IBM Plex Mono',monospace;font-weight:700;font-size:16px;color:var(--ac2);padding:4px 0;white-space:nowrap}
.fare-val::before{content:attr(data-label);display:inline-block;font-size:12px;color:var(--mute);font-weight:600;font-family:'Noto Sans KR',sans-serif;margin-right:8px;min-width:44px}
.fare-won{font-size:12px;color:var(--mute);margin-left:2px;font-weight:400}
.fare-base-hint{font-size:11px;color:var(--mute);font-weight:400;margin-top:1px;margin-left:56px}

/* Detail breakdown */
.detail-toggle{display:flex;align-items:center;justify-content:space-between;padding:12px 0;cursor:pointer;user-select:none;-webkit-tap-highlight-color:transparent;min-height:44px}
.fare-detail{display:none}.fare-detail.detail-open{display:block}
.breakdown{background:var(--bg);border:1px solid var(--bdr);border-radius:10px;padding:14px;margin-bottom:8px}
.bd-title{font-size:11px;color:var(--mute);font-weight:800;text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.bd-split{display:grid;grid-template-columns:1fr;gap:14px}
.bd-size{font-size:11px;color:var(--mute);font-weight:700;margin-bottom:4px;text-transform:uppercase;letter-spacing:.5px}
.bd-row{display:flex;justify-content:space-between;font-size:13px;padding:5px 0;border-bottom:1px solid var(--row-bdr);gap:8px}
.bd-row:last-child{border-bottom:none}
.bd-lbl{color:var(--dim);flex:1;min-width:0;word-break:keep-all}.bd-val{font-family:'IBM Plex Mono',monospace;font-weight:600;white-space:nowrap}
.bd-pos{color:var(--warn)}.bd-tot{color:var(--ac2);font-size:14px}
.bd-final{border-top:1px solid var(--row-bdr2);margin-top:4px;padding-top:5px}

/* Info/notice */
.info-box{display:flex;gap:8px;margin-top:12px;padding:12px 14px;background:rgba(245,158,11,.07);border:1px solid rgba(245,158,11,.2);border-radius:10px;font-size:13px;color:#fbbf24;line-height:1.7}
.est-box{display:flex;gap:8px;margin-top:12px;padding:12px 14px;background:rgba(139,92,246,.07);border:1px solid rgba(139,92,246,.3);border-radius:10px;font-size:13px;color:#a78bfa;line-height:1.7}
.result-actions{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;margin-top:12px}
.result-actions .btn{text-align:center;padding:10px 8px}
.notice{font-size:13px;color:var(--mute);padding:10px 14px;background:var(--s2);border-radius:10px;border-left:3px solid var(--bdr);line-height:1.7;margin-top:12px}
.ft-row{display:grid;grid-template-columns:1fr;gap:10px;margin-bottom:12px}
.ft-box{background:var(--bg);border:1px solid var(--bdr);border-radius:11px;padding:16px;text-align:center}
.ft-size{font-size:12px;color:var(--mute);font-weight:800;text-transform:uppercase;letter-spacing:1px;margin-bottom:6px}
.ft-base{font-size:20px;font-weight:900;color:var(--ac2);font-family:'IBM Plex Mono',monospace;letter-spacing:-1px}
.ft-unit{font-size:12px;color:var(--mute);margin-left:2px}
.ft-total{font-size:13px;color:var(--dim);margin-top:4px}
.ft-total strong{color:var(--ok);font-family:'IBM Plex Mono',monospace;font-size:14px}

/* Client Tab */
.client-list{display:flex;flex-direction:column;gap:8px}
.client-item{background:var(--s2);border:1px solid var(--bdr);border-radius:12px;padding:14px 16px;cursor:pointer;transition:all .18s;display:flex;flex-direction:column;gap:10px;-webkit-tap-highlight-color:transparent}
.client-item:active{border-color:var(--purple)}.client-item.selected{border-color:var(--purple);background:rgba(139,92,246,.08)}
.client-name{font-size:16px;font-weight:700;flex:1}
.client-badge{font-size:11px;padding:3px 9px;border-radius:12px;font-weight:700;font-family:'IBM Plex Mono',monospace}
.badge-plus{background:rgba(16,185,129,.15);color:var(--ok);border:1px solid var(--ok)}
.badge-pct{background:rgba(245,158,11,.1);color:var(--warn);border:1px solid var(--warn)}

/* Modals */
.modal-overlay{position:fixed;inset:0;background:var(--modal-bg);z-index:500;display:flex;align-items:flex-end;justify-content:center;padding:0;animation:fadeIn .2s ease}
.modal{background:var(--s1);border:1px solid var(--bdr);border-radius:16px 16px 0 0;padding:24px 20px env(safe-area-inset-bottom,16px);width:100%;max-width:100%;position:relative;max-height:85vh;overflow-y:auto;-webkit-overflow-scrolling:touch}
.modal h3{font-size:17px;font-weight:800;margin-bottom:18px}
.modal-close{position:absolute;top:16px;right:16px;background:var(--s2);border:1px solid var(--bdr);color:var(--dim);width:32px;height:32px;border-radius:8px;cursor:pointer;font-size:14px;display:flex;align-items:center;justify-content:center;-webkit-tap-highlight-color:transparent}
.modal-close:active{border-color:var(--err);color:var(--err)}
.mode-tog{display:flex;gap:6px;margin-bottom:14px;flex-wrap:wrap}
.mode-chip{padding:8px 14px;border-radius:20px;border:1px solid var(--bdr);background:var(--s2);color:var(--mute);font-size:14px;font-weight:600;cursor:pointer;transition:all .18s;-webkit-tap-highlight-color:transparent;min-height:40px}
.mode-chip.on{border-color:var(--purple);color:var(--purple);background:rgba(139,92,246,.1)}

/* Favorites */
.fav-list{display:flex;flex-direction:column;gap:8px}
.fav-item{background:var(--s2);border:1px solid var(--bdr);border-radius:10px;padding:12px 14px;display:flex;align-items:center;gap:10px;cursor:pointer;transition:all .18s;-webkit-tap-highlight-color:transparent;min-height:48px}
.fav-item:active{border-color:var(--warn)}
.fav-name{font-size:14px;font-weight:700;flex:1}
.fav-route{font-size:12px;color:var(--mute)}

/* Misc */
.empty-state{text-align:center;padding:32px 16px;color:var(--mute)}
.empty-state-icon{font-size:36px;margin-bottom:10px}
.empty-state-text{font-size:14px;line-height:1.7}
.footer{text-align:center;font-size:12px;color:var(--mute);padding:24px 16px;line-height:1.7}

/* ===== TABLET / DESKTOP (768px+) ===== */
@media(min-width:768px){
  .hdr{padding:0 20px}
  .hdr-in{height:54px;max-width:960px;margin:0 auto}
  .logo-img{height:34px}.logo-tx{font-size:14px}
  .contact-bar{padding:5px 20px}
  .contact-in{max-width:960px;margin:0 auto;gap:18px}
  .contact-in a{font-size:11px}
  .tab-nav{padding:0 20px;top:54px}
  .tab-nav-in{max-width:960px;margin:0 auto}
  .tab-btn{flex:none;padding:12px 20px;font-size:13px}
  .main{max-width:960px;margin:0 auto;padding:20px 20px 100px}
  .hero{padding:20px 24px;border-radius:14px;margin-bottom:18px}
  .hero-logo{height:50px}.hero h1{font-size:19px}.hero-title-row{gap:14px}
  .card-head{padding:14px 18px}.card-body{padding:0 18px 16px}
  .row2{grid-template-columns:1fr 1fr}.row3{grid-template-columns:1fr 1fr 1fr}
  .sur-grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
  .extra-grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
  .result{padding:20px}
  .route-bar{flex-direction:row;align-items:center;gap:6px}
  .route-dist{margin-left:auto;width:auto}
  .route-reset{position:static;margin-left:4px}
  .fare-compare{overflow-x:visible}
  .fare-tbl thead{display:table-header-group}
  .fare-tbl tbody{display:table-row-group}
  .fare-type-row{display:table-row;padding:0;background:transparent;border:none;border-radius:0}
  .fare-type-row td{display:table-cell;padding:14px 12px;border-bottom:1px solid var(--row-bdr)}
  .fare-type-row:last-child td{border-bottom:none}
  .fare-tbl th{padding:10px 12px;font-size:10px;font-weight:800;color:var(--mute);text-transform:uppercase;letter-spacing:1px;text-align:right;border-bottom:1px solid var(--bdr)}
  .fare-tbl th:first-child{text-align:left}
  .fare-type-label{font-size:12px;white-space:nowrap;margin-bottom:0}
  .fare-sub{font-size:10px}
  .fare-val{text-align:right;font-size:15px;padding:0}.fare-val::before{display:none}
  .fare-base-hint{display:block;margin-left:0}
  .bd-split{grid-template-columns:1fr 1fr}
  .ft-row{grid-template-columns:1fr 1fr}
  .result-actions{display:flex;flex-wrap:wrap}
  .client-item{flex-direction:row;align-items:center;padding:12px 14px}
  .modal-overlay{align-items:center;padding:16px}
  .modal{border-radius:14px;padding:22px;max-width:460px}
  .theme-toggle:hover{border-color:var(--ac);color:var(--ac)}
  .search-item:hover{background:var(--s2)}
  .fav-item:hover{border-color:var(--warn)}
  .collapse-btn:hover{color:var(--txt);background:var(--s2)}
  .calc-btn:hover:not(:disabled){opacity:.9;transform:translateY(-1px);box-shadow:0 8px 24px rgba(14,165,233,.3)}
  .calc-btn:active:not(:disabled){transform:translateY(0)}
  .addr-clear:hover{color:var(--txt)}
  .route-reset:hover{color:var(--err)}
  .contact-in a:hover{color:var(--ac)}
  .modal-close:hover{border-color:var(--err);color:var(--err)}
  .client-item:hover{border-color:var(--purple)}
  .sur-item:hover{border-color:var(--ac)}
  .extra-item:hover{border-color:var(--warn)}
  .tab-btn:hover:not(.on){color:var(--txt)}
}