:root{--bg:#f5f7fb;--surface:#fff;--ink:#101426;--muted:#657086;--line:#e6e9f0;--primary:#635bff;--primary2:#8a5cff;--dark:#0b1020;--radius:22px;--shadow:0 16px 40px rgba(22,31,56,.08)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.55 Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.shell{width:min(1480px,calc(100% - 40px));margin:auto}.site-header{position:sticky;top:0;z-index:50;background:rgba(245,247,251,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(230,233,240,.8)}.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;gap:11px;align-items:center}.brand-mark{width:42px;height:42px;display:grid;place-items:center;border-radius:13px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:white;font-weight:900;box-shadow:0 8px 20px rgba(99,91,255,.3)}.brand strong,.brand small{display:block}.brand strong{font-size:16px}.brand small{font-size:11px;color:var(--muted);letter-spacing:.08em;text-transform:uppercase}.top-nav{display:flex;align-items:center;gap:26px;font-weight:650}.top-nav>a:not(.ghost-btn){color:#4a5368}.ghost-btn,.primary-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:10px 15px;border:1px solid var(--line);background:white;font-weight:750;cursor:pointer}.primary-btn{background:var(--dark);color:white;border-color:var(--dark);padding:12px 18px}.primary-btn.small{padding:9px 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button{border:0;background:var(--dark);color:#fff;padding:13px 18px;border-radius:12px;font-weight:750;cursor:pointer}.hero-panel{min-height:255px;border:1px solid rgba(255,255,255,.6);border-radius:30px;background:linear-gradient(145deg,#11182c,#171d36);color:#fff;padding:28px;position:relative;overflow:hidden;box-shadow:0 28px 70px rgba(16,20,38,.18)}.hero-orb{position:absolute;right:-20px;bottom:-30px;width:180px;height:180px;border-radius:50%;display:grid;place-items:center;font-size:70px;background:linear-gradient(135deg,var(--primary),#b66cff);box-shadow:0 0 80px rgba(99,91,255,.45)}.mini-stat{position:relative;z-index:1;margin-bottom:25px}.mini-stat b{font-size:38px;display:block;line-height:1}.mini-stat span{font-size:12px;color:#aab2ca;text-transform:uppercase;letter-spacing:.1em}.content-section{padding:58px 0 70px}.section-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:20px}.section-head h2{font-size:34px;letter-spacing:-.035em;margin:0}.result-count{color:var(--muted);font-size:13px}.category-pills{display:flex;gap:9px;overflow:auto;padding-bottom:18px;margin-bottom:12px;scrollbar-width:none}.pill{white-space:nowrap;padding:9px 13px;border-radius:999px;background:white;border:1px solid var(--line);font-size:13px;font-weight:700;color:#515b70}.pill.active{background:var(--dark);color:white;border-color:var(--dark)}.tool-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}.tool-card{position:relative;overflow:hidden;min-height:260px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:21px;display:flex;flex-direction:column;transition:.2s ease;box-shadow:0 7px 20px rgba(22,31,56,.035)}.tool-card:before{content:"";position:absolute;inset:0;background:radial-gradient(230px circle at var(--mx,-100px) var(--my,-100px),rgba(99,91,255,.10),transparent 60%);pointer-events:none}.tool-card:hover{transform:translateY(-4px);border-color:#d7d4ff;box-shadow:0 18px 38px rgba(22,31,56,.10)}.tool-card.featured{border-color:#d8d5ff;background:linear-gradient(180deg,#fff,#faf9ff)}.tool-top{display:flex;justify-content:space-between;align-items:start}.tool-icon{width:52px;height:52px;display:grid;place-items:center;border-radius:16px;background:#f1f2f8;font-size:25px}.badge{font-size:10px;letter-spacing:.08em;text-transform:uppercase;background:#eeeaff;color:#5945d6;padding:6px 8px;border-radius:999px;font-weight:850}.tool-copy{margin-top:19px;flex:1}.tool-category{font-size:10px;color:var(--primary);text-transform:uppercase;font-weight:850;letter-spacing:.1em}.tool-copy h3{font-size:20px;letter-spacing:-.025em;margin:5px 0 8px}.tool-copy p{margin:0;color:var(--muted);font-size:13.5px}.tool-footer{display:flex;align-items:center;justify-content:space-between;margin-top:20px}.open-btn{font-weight:800;font-size:13px}.open-btn span{display:inline-block;margin-left:4px}.tags{font-size:10px;background:#f3f4f7;color:#727b8e;padding:5px 7px;border-radius:8px}.ad-zone{margin-top:34px;margin-bottom:14px}.ad-card{position:relative;display:block;border:1px dashed #ccd2df;background:#fff;border-radius:18px;overflow:hidden;min-height:110px}.ad-card img{width:100%;height:auto;display:block}.ad-placeholder{min-height:110px;display:flex;flex-direction:column;align-items:center;justify-content:center;background:linear-gradient(120deg,#f7f8fb,#eef0f6);color:#687386}.ad-placeholder b{font-size:20px;color:#384157}.ad-label{position:absolute;z-index:2;right:10px;top:9px;font-size:8px;letter-spacing:.12em;background:rgba(0,0,0,.55);color:white;padding:4px 6px;border-radius:5px}.ad-middle{grid-column:1/-1;margin:8px 0 26px}.empty-state{text-align:center;padding:60px 20px;background:white;border:1px dashed var(--line);border-radius:22px}.empty-state>div{font-size:44px}.site-footer{border-top:1px solid var(--line);background:white;padding:40px 0}.footer-inner{display:flex;justify-content:space-between;gap:30px}.footer-inner p,.footer-meta{color:var(--muted);font-size:12px}.admin-wrap{padding:50px 0 80px}.admin-heading,.admin-card-head{display:flex;align-items:center;justify-content:space-between;gap:20px}.admin-heading{margin-bottom:22px}.admin-heading h1,.admin-card h1{font-size:34px;margin:0;letter-spacing:-.035em}.admin-card{background:#fff;border:1px solid var(--line);border-radius:20px;padding:24px;box-shadow:0 10px 28px rgba(22,31,56,.04);margin-bottom:20px}.login-card{max-width:500px;margin:30px auto}.login-card form{display:grid;gap:14px;margin-top:22px}.login-card label,.form-grid label{font-weight:750;font-size:12px;color:#4d566b}.login-card input,.form-grid input,.form-grid select,.form-grid textarea{display:block;width:100%;margin-top:6px;border:1px solid #dfe3eb;border-radius:11px;padding:11px 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form{margin:0}.muted{font-size:12px;color:var(--muted)}.ad-slot-list{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}.ad-slot-list div{border:1px dashed var(--line);padding:18px;border-radius:14px}.ad-slot-list b,.ad-slot-list span{display:block}.ad-slot-list span{color:var(--muted);font-size:12px;margin-top:4px}@media(max-width:1100px){.tool-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.hero-grid{grid-template-columns:1fr .55fr}}@media(max-width:760px){.shell{width:min(100% - 24px,1480px)}.header-inner{height:66px}.top-nav>a:not(.ghost-btn){display:none}.hero{padding:45px 0 32px}.hero-grid{grid-template-columns:1fr}.hero-panel{display:none}.hero h1{font-size:43px}.hero p{font-size:15px}.searchbar{flex-wrap:wrap}.searchbar button{width:100%}.tool-grid{grid-template-columns:1fr;gap:13px}.tool-card{min-height:225px}.section-head h2{font-size:28px}.content-section{padding:40px 0}.footer-inner,.admin-heading,.admin-card-head{align-items:flex-start;flex-direction:column}.form-grid{grid-template-columns:1fr}.span2{grid-column:auto}.ad-slot-list{grid-template-columns:1fr}.admin-card{padding:18px}th:nth-child(1),td:nth-child(1),th:nth-child(3),td:nth-child(3){display:none}.actions{flex-direction:column}.top-nav{gap:8px}}

/* ===== OUTIL : CALCULATEUR TVA ===== */
.tool-page-hero{background:radial-gradient(circle at 78% 0,rgba(99,91,255,.12),transparent 28%),linear-gradient(180deg,#fff,var(--bg));padding:44px 0 38px;border-bottom:1px solid var(--line)}
.back-link{display:inline-flex;align-items:center;gap:7px;color:var(--muted);font-size:13px;font-weight:750;margin-bottom:28px}.back-link:hover{color:var(--primary)}
.tool-page-heading{display:flex;align-items:center;gap:22px}.tool-page-icon{flex:0 0 76px;width:76px;height:76px;border-radius:23px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-size:34px;font-weight:900;box-shadow:0 18px 36px rgba(99,91,255,.24)}
.tool-page-heading .eyebrow{margin-bottom:4px}.tool-page-heading h1{font-size:clamp(34px,4vw,54px);line-height:1;letter-spacing:-.045em;margin:0 0 11px}.tool-page-heading p{margin:0;color:var(--muted);font-size:16px;max-width:680px}
.tool-ad-top{margin-top:28px}.calculator-section{padding:34px 0 72px}.calculator-layout{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(340px,.75fr);gap:20px;align-items:stretch}
.calculator-card,.result-card{background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:0 12px 32px rgba(22,31,56,.055)}.calculator-card{padding:26px}.result-card{padding:26px;background:linear-gradient(145deg,#11182c,#171d36);color:#fff;overflow:hidden;position:relative}.result-card:after{content:"";position:absolute;width:220px;height:220px;border-radius:50%;right:-95px;bottom:-110px;background:radial-gradient(circle,rgba(99,91,255,.72),rgba(99,91,255,0));pointer-events:none}
.calc-tabs{display:grid;grid-template-columns:1fr 1fr;background:#f2f4f8;border-radius:14px;padding:5px;margin-bottom:28px}.calc-tab{border:0;background:transparent;border-radius:10px;padding:12px 14px;font-weight:800;color:#697287;cursor:pointer}.calc-tab.active{background:#fff;color:var(--ink);box-shadow:0 4px 14px rgba(22,31,56,.08)}
.calc-form{display:grid;gap:26px}.field-block>label{display:block;font-size:13px;font-weight:800;margin-bottom:9px}.field-block>small{display:block;color:var(--muted);font-size:11px;margin-top:7px}.money-input{display:flex;align-items:center;border:1px solid #dfe3eb;border-radius:16px;background:#fbfcfe;overflow:hidden;transition:.2s}.money-input:focus-within{border-color:#aaa4ff;box-shadow:0 0 0 4px rgba(99,91,255,.08)}.money-input input{flex:1;min-width:0;border:0;outline:0;background:transparent;padding:16px 18px;font-size:25px;font-weight:850;color:var(--ink)}.money-input>span{padding:0 18px;font-size:18px;font-weight:850;color:var(--muted)}
.rate-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:8px}.rate-btn{border:1px solid var(--line);background:#fff;border-radius:12px;padding:12px 8px;font-weight:800;color:#4f596e;cursor:pointer}.rate-btn:hover{border-color:#c9c5ff}.rate-btn.active{background:#efedff;color:#5647da;border-color:#d7d2ff}.custom-rate{display:flex;align-items:center;max-width:180px;margin-top:10px;border:1px solid var(--line);border-radius:12px;background:#fbfcfe;overflow:hidden}.custom-rate input{width:100%;border:0;outline:0;background:transparent;padding:11px 12px}.custom-rate span{padding-right:12px;color:var(--muted);font-weight:800}
.calc-actions{display:flex;gap:10px;padding-top:2px}.calc-main-btn{min-width:150px}.secondary-btn{display:inline-flex;align-items:center;justify-content:center;border-radius:12px;padding:12px 18px;border:1px solid var(--line);background:#fff;color:#596277;font-weight:750;cursor:pointer}.secondary-btn:hover{background:#f7f8fb}
.result-head{position:relative;z-index:1;display:flex;justify-content:space-between;align-items:center;gap:12px}.result-head>span:first-child{font-size:10px;font-weight:850;letter-spacing:.16em;color:#aab2ca}.rate-chip{font-size:11px;font-weight:800;padding:7px 9px;border-radius:999px;background:rgba(255,255,255,.10);color:#e7e8f2}.result-main{position:relative;z-index:1;margin:32px 0 28px}.result-main span{display:block;color:#aab2ca;font-size:13px;margin-bottom:7px}.result-main strong{display:block;font-size:clamp(34px,4vw,48px);line-height:1;letter-spacing:-.04em}.result-lines{position:relative;z-index:1;border-top:1px solid rgba(255,255,255,.1);border-bottom:1px solid rgba(255,255,255,.1);padding:9px 0}.result-lines>div{display:flex;justify-content:space-between;gap:20px;padding:9px 0;font-size:13px}.result-lines span{color:#aab2ca}.formula-box{position:relative;z-index:1;margin-top:20px;padding:13px 14px;border-radius:13px;background:rgba(255,255,255,.07);color:#d8dbea;font-size:12px;line-height:1.45}
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}.info-card{background:#fff;border:1px solid var(--line);border-radius:19px;padding:20px}.info-card>span{display:inline-grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#f1efff;color:var(--primary);font-size:11px;font-weight:900}.info-card h2{font-size:16px;margin:15px 0 5px}.info-card p{font-size:12.5px;color:var(--muted);margin:0}
@media(max-width:900px){.calculator-layout{grid-template-columns:1fr}.result-card{min-height:360px}.rate-grid{grid-template-columns:repeat(3,1fr)}.info-grid{grid-template-columns:1fr}}
@media(max-width:600px){.tool-page-hero{padding:28px 0}.back-link{margin-bottom:20px}.tool-page-heading{align-items:flex-start}.tool-page-icon{width:58px;height:58px;flex-basis:58px;border-radius:17px;font-size:25px}.tool-page-heading h1{font-size:32px}.tool-page-heading p{font-size:14px}.calculator-section{padding:24px 0 50px}.calculator-card,.result-card{border-radius:20px;padding:18px}.rate-grid{grid-template-columns:repeat(2,1fr)}.rate-btn:last-child{grid-column:1/-1}.calc-actions{flex-direction:column}.calc-actions>*{width:100%}.result-main strong{font-size:36px}}