/* ============ Tabbed wrapper ============ */
.nuvica-tabs-wrap{display:grid;grid-template-columns:260px 1fr;gap:24px;max-width:1200px;margin:40px auto;font-family:inherit;color:#1a2b36}
.nuvica-tabs-side{background:linear-gradient(180deg,#0f3e56,#123c55);border-radius:18px;padding:22px 16px;color:#fff;height:fit-content;position:sticky;top:24px;box-shadow:0 12px 30px -12px rgba(15,62,86,.35)}
.nuvica-tabs-brand{font-size:14px;font-weight:600;letter-spacing:.5px;padding:0 8px 14px;border-bottom:1px solid rgba(255,255,255,.15);margin-bottom:14px;opacity:.9}
.nuvica-tabs-brand span{background:linear-gradient(90deg,#3fd0c4,#7fe3d8);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800;letter-spacing:2px;margin-right:6px}
.nuvica-tabs-nav{display:flex;flex-direction:column;gap:6px}
.nuvica-tab-btn{background:transparent;border:0;color:#e6f0f2;text-align:left;padding:13px 14px;border-radius:11px;cursor:pointer;font:inherit;transition:background .15s,transform .1s;display:flex;flex-direction:column;gap:2px}
.nuvica-tab-btn:hover{background:rgba(255,255,255,.08)}
.nuvica-tab-btn.is-active{background:linear-gradient(135deg,#176b73,#1c8a86);color:#fff;box-shadow:0 6px 16px -6px rgba(23,107,115,.6)}
.nuvica-tab-name{font-weight:700;font-size:14.5px;letter-spacing:.2px}
.nuvica-tab-sub{font-size:12px;opacity:.75}
.nuvica-tab-panel{display:none;animation:ncFade .25s ease-out}
.nuvica-tab-panel.is-active{display:block}
@keyframes ncFade{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:translateY(0)}}

/* ============ Calculator card ============ */
.nuvica-calculator{max-width:960px;margin:0 auto;font-family:inherit;color:#1a2b36}
.nuvica-tabs-wrap .nuvica-calculator{margin:0}
.nuvica-card{background:#fff;border:1px solid #e5e9ee;border-radius:22px;box-shadow:0 20px 55px -20px rgba(18,60,85,.25),0 4px 12px rgba(0,0,0,.04);overflow:hidden}
.nuvica-header{padding:34px 36px;background:linear-gradient(135deg,#0f3e56 0%,#166b73 60%,#1c8a86 100%);color:#fff;position:relative}
.nuvica-header::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 90% 10%,rgba(255,255,255,.18),transparent 60%);pointer-events:none}
.nuvica-kicker{font-size:11px;letter-spacing:2.5px;font-weight:700;opacity:.9;text-transform:uppercase}
.nuvica-header h2{margin:8px 0 6px;color:#fff;font-size:28px;font-weight:700;letter-spacing:-.3px}
.nuvica-header p{margin:0;opacity:.92;font-size:14.5px}
.nuvica-form{padding:34px 36px 28px}
.nuvica-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px 20px}
.nc-field{display:flex;flex-direction:column;gap:7px;font-weight:600;font-size:13.5px;color:#33505f;min-width:0}
.nc-field[hidden]{display:none}
.nc-span-2{grid-column:1 / -1}
.nc-lbl{letter-spacing:.2px}
.nuvica-grid input,.nuvica-grid select{width:100%;box-sizing:border-box;padding:12px 14px;border:1.5px solid #d8e0e7;border-radius:11px;background:#fbfcfd;font:inherit;font-weight:500;color:#1a2b36;transition:border-color .18s,box-shadow .18s,background .18s}
.nuvica-grid input:hover,.nuvica-grid select:hover{border-color:#a9bcc9}
.nuvica-grid input:focus,.nuvica-grid select:focus{outline:0;border-color:#176b73;background:#fff;box-shadow:0 0 0 4px rgba(23,107,115,.14)}
.nuvica-grid input::placeholder{color:#96a6b1;font-weight:400;font-size:12.5px;font-style:italic}
.nuvica-grid select{appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path fill='none' stroke='%23496775' stroke-width='2' stroke-linecap='round' stroke-linejoin='round' d='M1 1l5 5 5-5'/></svg>");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.nc-anim{animation:ncSlide .28s ease-out}
@keyframes ncSlide{from{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:translateY(0)}}
.nc-flash{animation:ncFlash .55s ease}
@keyframes ncFlash{0%{background:#e6f5e9;border-color:#3fa25a}100%{background:#fbfcfd;border-color:#d8e0e7}}
.nuvica-submit,.nuvica-reset{margin-top:26px;margin-right:10px;border:0;border-radius:11px;padding:13px 24px;font-weight:700;font-size:14.5px;cursor:pointer;letter-spacing:.2px;transition:transform .12s,box-shadow .18s,background .18s}
.nuvica-submit{background:linear-gradient(135deg,#176b73,#1c8a86);color:#fff;box-shadow:0 8px 20px -8px rgba(23,107,115,.55)}
.nuvica-submit:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 12px 24px -8px rgba(23,107,115,.65)}
.nuvica-submit:disabled{opacity:.6;cursor:wait}
.nuvica-reset{background:#eef3f5;color:#123c55}
.nuvica-reset:hover{background:#e2ebee}
.nuvica-error{margin-top:18px;padding:13px 16px;border-radius:10px;background:#fff1f1;color:#a32020;border:1px solid #f4c9c9;font-size:14px;font-weight:500}

/* ============ How to use panel ============ */
.nuvica-howto{padding:14px 36px 0;font-size:14px;text-align:left}
.nuvica-howto summary{cursor:pointer;font-weight:700;color:#176b73;padding:10px 14px;background:#eef7f7;border-radius:8px;border:1px solid #d7e5e6;list-style:none;text-align:left}
.nuvica-howto summary::-webkit-details-marker{display:none}
.nuvica-howto summary::before{content:"▸ ";display:inline-block;transition:transform .18s;margin-right:4px}
.nuvica-howto[open] summary::before{transform:rotate(90deg)}
.nuvica-howto ol{margin:12px 0 4px 0;padding:0 0 0 26px;color:#33505f;line-height:1.65;text-align:left;list-style-position:outside}
.nuvica-howto li{margin-bottom:6px;text-align:left;padding-left:4px}

/* ============ Results ============ */
.nuvica-result{padding:20px 36px 20px}
.nuvica-result-inner{padding:22px 24px;border-radius:14px;background:linear-gradient(135deg,#f1f7f7,#e6f0f1);border:1px solid #d7e5e6}
.nuvica-result-line{display:flex;justify-content:flex-start;align-items:baseline;gap:12px;padding:8px 0;font-size:16px;color:#33505f}
.nuvica-result-line strong{font-size:26px;color:#0f3e56;font-weight:800}
.nuvica-result-key{font-weight:700;letter-spacing:.2px;min-width:120px}
.nuvica-result-rating{margin-top:6px;padding:14px 18px;background:linear-gradient(135deg,#176b73,#1c8a86);color:#fff;border-radius:11px;border:0}
.nuvica-result-rating .nuvica-result-key{color:rgba(255,255,255,.9)}
.nuvica-result-rating strong{color:#fff;font-size:28px}
.nuvica-ratings{display:grid;grid-template-columns:1fr;gap:8px;margin-top:14px}
.nuvica-ratings>div{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;border:1px solid #d7e5e6;border-radius:9px;background:#fff;font-size:14.5px}
.nuvica-ratings>div span{color:#33505f;font-weight:500}
.nuvica-ratings>div b{color:#0f3e56;font-size:16px}
.nuvica-note{font-size:13px;color:#68757e;margin-top:14px;font-style:italic}

/* ============ Disclaimer footer ============ */
.nuvica-disclaimer{padding:16px 36px 26px;font-size:12.5px;color:#5a6b74;border-top:1px solid #eef2f5;background:#fafcfc;line-height:1.5}
.nuvica-disclaimer strong{color:#0f3e56;display:block;font-size:13px;margin-bottom:3px}

/* ============ Mobile ============ */
@media(max-width:900px){
  .nuvica-tabs-wrap{grid-template-columns:1fr;gap:16px}
  .nuvica-tabs-side{position:static;padding:16px}
  .nuvica-tabs-nav{flex-direction:row;overflow-x:auto;gap:8px}
  .nuvica-tab-btn{flex:0 0 auto;min-width:160px}
}
@media(max-width:640px){
  .nuvica-grid{grid-template-columns:1fr}
  .nc-span-2{grid-column:auto}
  .nuvica-header,.nuvica-form,.nuvica-result,.nuvica-howto,.nuvica-disclaimer{padding-left:20px;padding-right:20px}
  .nuvica-header h2{font-size:22px}
  .nuvica-submit,.nuvica-reset{width:100%;margin-right:0;margin-top:14px}
  .nuvica-result-line strong{font-size:22px}
  .nuvica-result-rating strong{font-size:24px}
  .nuvica-result-key{min-width:auto}
}