.ecosim{max-width:100%;margin:0 auto;font-family:Inter,sans-serif;color:#222222;}
.ecosim *{box-sizing:border-box;}
.ecosim-card{background:#ffffff;border:1px solid #e6e8ec;border-radius:16px;padding:32px;box-shadow:0 4px 24px rgba(16,24,40,.06);}
.ecosim-title{margin:0 0 6px;font-size:24px;font-weight:800;color:#222222;}
.ecosim-sub{margin:0 0 22px;color:#555;font-size:14px;}
.ecosim label{display:block;font-weight:600;color:#222222;margin:16px 0 6px;font-size:14px;}
.ecosim input[type=text],
.ecosim input[type=email],
.ecosim input[type=password],
.ecosim input[type=number],
.ecosim select{width:100%;padding:12px 14px;border:1px solid #d5d8dd;border-radius:10px;font-size:15px;font-family:inherit;background:#fff;color:#222;}
.ecosim input:focus,
.ecosim select:focus{outline:none;border-color:#26842d;box-shadow:0 0 0 3px rgba(38,132,45,.15);}
.ecosim .ecosim-req{color:#dc2626;}

.ecosim-radios{display:flex;gap:12px;flex-wrap:wrap;}
.ecosim-radio{flex:1;min-width:130px;display:flex;align-items:center;gap:8px;margin:0;padding:12px 14px;border:1px solid #d5d8dd;border-radius:10px;font-weight:500;cursor:pointer;}
.ecosim-radio input{accent-color:#26842d;}
.ecosim-radio:hover{border-color:#26842d;}
.ecosim-radio:has(input:checked){border-color:#26842d;box-shadow:0 0 0 2px rgba(38,132,45,.15);}
.ecosim-ico{font-size:18px;line-height:1;}

/* Mode de chauffage : 4 choix alignés horizontalement */
.ecosim-radios-energy .ecosim-radio{min-width:0;flex:1 1 110px;padding:12px 10px;}
@media(max-width:520px){.ecosim-radios-energy .ecosim-radio{flex:1 1 44%;}}

.ecosim-check{display:flex;align-items:center;gap:8px;font-weight:400;margin:12px 0;}
.ecosim-check input{width:auto;accent-color:#26842d;}

/* Panneau de résultats */
.ecosim-results{margin:24px 0;}
.ecosim-results-title{margin:0 0 14px;font-size:18px;font-weight:700;color:#222222;}
.ecosim-cards{display:flex;gap:16px;flex-wrap:wrap;}
.ecosim-rcard{flex:1 1 220px;padding:20px;border-radius:12px;text-align:center;border:1px solid #e6e8ec;}
.ecosim-rcard.eco{background:#eef7ee;border-color:#cfe9d3;}
.ecosim-rcard.bill{background:#f8f9fa;}
.ecosim-rlabel{font-size:15px;color:#444;}
.ecosim-rvalue{font-size:30px;font-weight:800;margin:6px 0;}
.ecosim-rcard.eco .ecosim-rvalue{color:#26842d;}
.ecosim-rcard.bill .ecosim-rvalue{color:#222222;}
.ecosim-rsub{font-size:14px;color:#666;}
.ecosim-compare-title{margin:22px 0 8px;font-size:17px;font-weight:700;color:#222;}
.ecosim-bar{display:flex;width:100%;height:34px;border-radius:8px;overflow:hidden;background:#222222;}
.ecosim-bar-eco{width:0%;background:#1f8a30;color:#fff;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;white-space:nowrap;transition:width .3s ease;}
.ecosim-bar-bill{flex:1;background:#222222;color:#fff;font-size:13px;font-weight:600;display:flex;align-items:center;justify-content:center;white-space:nowrap;}

.ecosim-btn{display:block;width:100%;margin-top:20px;background:#26842d;color:#ffffff;border:none;border-radius:12px;padding:14px 18px;font-size:16px;font-weight:700;font-family:inherit;cursor:pointer;transition:background .15s ease;}
.ecosim-btn:hover{background:#1f6e26 !important;}
/* Après une simulation réussie : bouton orange */
.ecosim-done .ecosim-btn{background:#fa770f;}
.ecosim-done .ecosim-btn:hover{background:#e06a0d !important;}

.ecosim-link{color:#26842d;font-weight:600;text-decoration:none;}
.ecosim-link:hover{text-decoration:underline;}
.ecosim-foot{margin-top:18px;font-size:14px;color:#555;text-align:center;}

.ecosim-alert{padding:13px 16px;border-radius:10px;margin-bottom:18px;font-size:14px;}
.ecosim-alert.success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0;}
.ecosim-alert.error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca;}