/* MINLED LED Calculator – External CSS (v1.3.4) */
/* wrapper */
.minled-calc{max-width:1080px;margin:24px auto;padding:0;border:1px solid #e5e7eb;border-radius:14px;background:#fff;overflow:hidden;box-shadow:0 6px 18px rgba(17,24,39,.06)}
/* Header: bold text, white bg */
.minled-head{background:#fff;color:#111827;padding:18px 22px;text-align:center;font-weight:bold;letter-spacing:.2px;font-size:22px;border-bottom:1px solid #e5e7eb}
/* stepper */
.minled-stepper{position:relative;padding:14px 22px 6px;border-bottom:1px solid #e5e7eb;background:#fff}
.minled-stepper-line{height:2px;background:#cbd5e1;position:relative;margin:18px 40px 0 40px}
.minled-step{position:absolute;top:-8px;transform:translateY(-50%);width:18px;height:18px;border-radius:999px;border:2px solid #a3e635;background:#ecfccb}
.minled-step.s1{left:10%}.minled-step.s2{left:38%}.minled-step.s3{left:66%}.minled-step.s4{left:90%}
/* layout */
.minled-group{padding:18px 22px}
.minled-title{font-weight:700;margin-bottom:8px;color:#111827}
/* 3 equal columns centered & balanced */
.minled-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;justify-items:stretch;align-items:start}
@media(max-width:1100px){.minled-calc{margin-left:auto;margin-right:auto}}
@media(max-width:960px){.minled-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){.minled-grid{grid-template-columns:1fr}}
/* fields & spacing */
.minled-field{background:#fff;border:1px solid #eef2f7;border-radius:12px;padding:16px}
.minled-control{margin-bottom:14px}
.minled-control:last-child{margin-bottom:0}
.minled-field label{font-weight:600;display:block;margin:6px 0 6px}
.minled-field input,.minled-field select{width:100%;padding:13px 12px;border:1px solid #d1d5db;border-radius:10px;font-size:16px;background:#fff;transition:box-shadow .15s,border-color .15s}
.minled-field input:focus{outline:none;box-shadow:0 0 0 3px rgba(14,165,233,.25);border-color:#93c5fd}
.minled-hint{font-size:12px;color:#6b7280;margin-top:6px}
.minled-hint a{color:#2563eb;text-decoration:underline}
/* chips */
.minled-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:8px}
.minled-chip{border:1px solid #d1d5db;border-radius:999px;padding:6px 10px;font-size:12px;background:#f8fafc;cursor:pointer}
.minled-chip:hover{background:#eef2ff}
/* actions & result */
.minled-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:0 22px 18px}
.minled-btn{display:inline-flex;align-items:center;gap:8px;border:1px solid #16a34a;background:#16a34a;color:#fff;padding:12px 18px;border-radius:10px;cursor:pointer;text-decoration:none;font-weight:700}
.minled-btn.secondary{background:#fff;color:#111827;border-color:#d1d5db}
.minled-badge{display:inline-block;padding:6px 10px;border-radius:999px;background:#f3f4f6;border:1px solid #e5e7eb;font-size:12px}
@media(max-width:640px){.minled-btn{width:100%;justify-content:center}}
.minled-resultwrap{padding:0 22px 22px}
.minled-resultbox{width:100%;padding:12px;border:2px dashed #a3e635;border-radius:12px;background:#fbfff5;font-weight:700;text-align:center;font-size:18px}
.minled-sum{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:12px}
@media(max-width:640px){.minled-sum{grid-template-columns:1fr}}
.minled-card{border:1px solid #e5e7eb;border-radius:12px;padding:12px;background:#fff}
.minled-note{background:#f0f9ff;border-left:4px solid #60a5fa;padding:10px;border-radius:8px;margin-top:10px}
.minled-disclaimer{margin-top:10px;font-size:12px;color:#6b7280;background:#fffaf0;border-left:4px solid #f59e0b;padding:10px;border-radius:8px}