:root{--bg:#f5f8fc;--paper:#fff;--ink:#15223d;--muted:#66728a;--line:#dfe6f0;--blue:#1f5ed7;--blue2:#edf4ff;--green:#2f8f65;--orange:#d8832f;--shadow:0 8px 30px rgba(21,34,61,.07)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;background:var(--bg);color:var(--ink)}a{text-decoration:none;color:inherit}.container{width:min(1180px,calc(100% - 32px));margin:auto}.topbar{background:#172136;color:#cbd5e1;font-size:13px}.topbar .container{height:34px;display:flex;align-items:center;justify-content:space-between}.header{background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}.header-in{min-height:76px;display:flex;align-items:center;gap:28px}.brand{font-weight:850;font-size:29px;letter-spacing:-1px}.brand span{color:var(--blue)}.nav{display:flex;gap:20px;margin-left:auto;align-items:center}.nav a{font-size:14px;font-weight:650;color:#34415d}.nav a:hover{color:var(--blue)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:10px;padding:11px 16px;font-weight:750;cursor:pointer}.btn-primary{background:var(--blue);color:#fff}.btn-light{background:var(--blue2);color:var(--blue)}.btn-outline{background:#fff;border:1px solid var(--line);color:var(--ink)}main{padding:26px 0 54px}.layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:24px}.hero{background:linear-gradient(120deg,#16233e,#244d87);min-height:360px;border-radius:18px;overflow:hidden;position:relative;box-shadow:var(--shadow);display:grid;grid-template-columns:1.2fr .8fr}.hero-copy{padding:54px 52px;color:#fff;z-index:2}.eyebrow{display:inline-flex;background:#fff1;color:#dbeafe;border:1px solid #ffffff33;padding:7px 10px;border-radius:999px;font-size:12px;font-weight:800}.hero h1{font-size:43px;line-height:1.08;margin:18px 0 14px;letter-spacing:-1.5px}.hero p{font-size:17px;line-height:1.65;color:#dbe6f7;max-width:610px}.hero-art{position:relative;background:linear-gradient(155deg,#dfeafb 0,#eef5fc 45%,#cadcf6 100%)}.hero-art:before{content:'İSG';position:absolute;font-size:120px;font-weight:900;color:#1f5ed718;right:25px;top:75px}.hero-symbol{position:absolute;inset:auto 50px 55px auto;width:180px;height:180px;border-radius:50%;background:#fff;box-shadow:0 20px 70px #19345a33;display:grid;place-items:center;font-size:82px}.sidebar-card,.card{background:var(--paper);border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow)}.sidebar-card{padding:22px;margin-bottom:18px}.sidebar-card h3{margin:0 0 15px}.form input,.form select{width:100%;padding:12px 13px;border:1px solid #d9e0eb;border-radius:9px;background:#fff;margin-bottom:10px;font:inherit}.tiny{font-size:12px;color:var(--muted)}.section-title{display:flex;align-items:end;justify-content:space-between;margin:28px 0 14px}.section-title h2{margin:0;font-size:24px}.section-title a{color:var(--blue);font-weight:700;font-size:14px}.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.news{overflow:hidden}.news-image{height:165px;background:#e9eef6;display:flex;align-items:center;justify-content:center;overflow:hidden}.news-image img{width:100%;height:100%;object-fit:cover}.news-body{padding:18px}.pill{display:inline-block;padding:5px 8px;border-radius:999px;background:var(--blue2);color:var(--blue);font-size:11px;font-weight:800}.news h3{font-size:18px;margin:10px 0 7px}.news p{margin:0;color:var(--muted);line-height:1.5;font-size:14px}.module-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.module{padding:19px;position:relative}.module .ico{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;background:var(--blue2);font-size:22px;margin-bottom:14px}.module h3{margin:0 0 8px}.module p{font-size:13px;color:var(--muted);line-height:1.5;min-height:40px}.lock{font-size:12px;color:#7a879d;margin-top:12px}.notice{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}.notice:last-child{border:0}.notice strong{font-size:14px}.notice p{font-size:12px;color:var(--muted);margin:4px 0 0}.footer{border-top:1px solid var(--line);background:#fff;padding:30px 0;color:var(--muted);font-size:13px}.modal{position:fixed;inset:0;background:#0f172a99;display:none;align-items:center;justify-content:center;padding:20px;z-index:100}.modal.open{display:flex}.modal-box{width:min(440px,100%);background:#fff;border-radius:18px;padding:26px;box-shadow:0 20px 80px #0004}.modal-box h2{margin-top:0}.modal-close{float:right;border:0;background:#eef2f7;width:34px;height:34px;border-radius:50%;cursor:pointer}.alert{padding:10px 12px;border-radius:9px;font-size:13px;margin:10px 0}.error{background:#fff1f1;color:#a53131}.ok{background:#edfbf4;color:#23734e}.hidden{display:none!important}.dashboard-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}.dashboard-grid{display:grid;grid-template-columns:250px 1fr;gap:20px}.side-menu{padding:14px}.side-menu button{display:block;width:100%;border:0;background:transparent;text-align:left;padding:12px;border-radius:9px;font-weight:650;color:#3a4762;cursor:pointer}.side-menu button:hover,.side-menu button.active{background:var(--blue2);color:var(--blue)}.panel{padding:22px}.permission-table{width:100%;border-collapse:collapse}.permission-table th,.permission-table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;font-size:14px}.permission-table th{color:var(--muted);font-size:12px}.user-badge{background:#eaf6ef;color:#287151;padding:5px 8px;border-radius:999px;font-size:12px;font-weight:700}.content-page{padding:26px}.article-hero{min-height:260px;border-radius:18px;background:linear-gradient(130deg,#172a49,#376ea8);color:#fff;padding:42px;display:flex;align-items:end}.article-hero h1{font-size:38px;max-width:720px;margin:0}.article-body{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;margin-top:18px;line-height:1.7;color:#34415d}.calc-box{background:#f8fbff;border:1px solid #d8e7fb;border-radius:14px;padding:20px;margin-top:20px}.blocked{padding:18px;border:1px dashed #9eb7d8;background:#f5f9ff;border-radius:12px;color:#43516d}.mobile-menu{display:none}@media(max-width:960px){.nav{display:none}.mobile-menu{display:block;margin-left:auto}.layout,.dashboard-grid{grid-template-columns:1fr}.sidebar{order:-1}.hero{grid-template-columns:1fr}.hero-art{display:none}.news-grid{grid-template-columns:1fr 1fr}.module-grid{grid-template-columns:1fr 1fr}}@media(max-width:620px){.topbar{display:none}.header-in{min-height:64px}.brand{font-size:24px}.hero-copy{padding:34px 24px}.hero h1{font-size:32px}.news-grid,.module-grid{grid-template-columns:1fr}.dashboard-head{align-items:flex-start;gap:12px;flex-direction:column}.permission-table{display:block;overflow:auto}}

/* v2 admin */
.admin-layout{display:grid;grid-template-columns:230px minmax(0,1fr);gap:22px;align-items:start}.admin-user-form{display:grid;grid-template-columns:1.2fr 1fr auto auto auto auto;gap:10px;align-items:center;margin:18px 0}.table-wrap{overflow:auto}.permission-table code{background:var(--soft,#f3f6fb);padding:5px 8px;border-radius:6px}.isg-module-summary{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:16px}.isg-module-row{display:flex;gap:9px;align-items:center;border:1px solid var(--line,#dde3ec);border-radius:9px;padding:9px}.isg-module-row span{font-size:11px;color:#6b7280}.modal.wide{}.modal-box.wide{width:min(880px,94vw)}.quick-actions{display:flex;gap:8px;margin:12px 0}.isg-perm-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;max-height:55vh;overflow:auto}.perm-item{display:flex;gap:8px;align-items:flex-start;border:1px solid var(--line,#dde3ec);border-radius:10px;padding:11px;background:var(--card,#fff)}.perm-item input{margin-top:2px}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:16px}@media(max-width:900px){.admin-layout{grid-template-columns:1fr}.admin-user-form{grid-template-columns:1fr 1fr}.isg-module-summary,.isg-perm-grid{grid-template-columns:1fr}}
.auth-links{display:flex;justify-content:space-between;gap:10px;margin-top:12px}.auth-links button,.text-link{background:none;border:0;color:var(--primary,#165dcc);cursor:pointer;padding:4px 0;font:inherit}.google-btn{width:100%;margin-top:14px;border:1px solid #d8e1ec;background:#fff;color:#14233d;border-radius:10px;padding:11px 14px;font-weight:700;cursor:pointer}.google-btn span{display:inline-grid;place-items:center;width:24px;height:24px;margin-right:8px;border-radius:50%;background:#f7f8fa;color:#4285f4;font-size:17px}.auth-tabs{display:flex;gap:6px;background:#f2f5f8;padding:5px;border-radius:12px;margin:0 34px 22px 0}.auth-tabs button{flex:1;border:0;background:transparent;padding:9px;border-radius:9px;font-weight:700;cursor:pointer}.auth-tabs button.active{background:#fff;box-shadow:0 1px 6px #0e315214}.auth-divider{display:flex;align-items:center;gap:10px;margin:16px 0;color:#8492a6;font-size:12px}.auth-divider:before,.auth-divider:after{content:"";height:1px;background:#e2e8f0;flex:1}.hidden{display:none!important}.alert.success{background:#e9f8ef;color:#126b3a;border:1px solid #cdeed8}.account-wrap{padding-top:42px;padding-bottom:60px}.account-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(280px,.7fr);gap:22px}.account-form label{display:grid;gap:8px;font-weight:700;color:#23354d}.account-form label input{font-weight:400}.form-separator{height:1px;background:#e4eaf0;margin:8px 0 2px}.account-status{display:flex;gap:8px;align-items:center}.account-status span,.account-status b{padding:7px 11px;border-radius:999px;background:#edf5f2;color:#0f654c;font-size:12px}.account-help p{line-height:1.7;color:#5f6e80}@media(max-width:800px){.account-grid{grid-template-columns:1fr}.auth-links{flex-direction:column;align-items:flex-start}}

/* v7 BoşverMe logo */
.brand-image{display:flex;align-items:center;flex:0 0 auto}.brand-image img{display:block;width:138px;height:74px;object-fit:contain;object-position:left center;image-rendering:auto}.header-in .brand-image{margin:-5px 0}.header-in{min-height:82px}@media(max-width:620px){.brand-image img{width:112px;height:62px}.header-in{min-height:68px}}




/* v10.2 background illustration */
html{background:var(--bg)}
body{background-image:linear-gradient(rgba(245,248,252,.76),rgba(245,248,252,.82)),url("../img/bg-silhouette-v2.jpg");background-position:center top;background-size:cover;background-attachment:fixed;background-repeat:no-repeat}
body.theme-dark{background-image:linear-gradient(rgba(16,25,22,.88),rgba(21,33,29,.91)),url("../img/bg-silhouette-v2.jpg")}
body::before,body::after{display:none!important}

/* v10.6 support + calculators */
.support-grid{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.6fr);gap:20px;margin-top:18px}.support-message{width:100%;min-height:170px;padding:12px;border:1px solid #d9e0eb;border-radius:9px;font:inherit;resize:vertical}.support-addresses{display:grid;gap:10px;align-content:start}.support-addresses a{display:grid;gap:4px;padding:13px;border:1px solid var(--line);border-radius:11px;background:var(--soft,#f7faf9)}.support-addresses span{font-size:12px;color:var(--muted)}.support-note{margin-top:8px}
.calc-home-grid{grid-template-columns:repeat(4,1fr)}.calc-warning{padding:12px 14px;border-radius:11px;background:#fff6df;border:1px solid #f0d79a;color:#795b17;margin-bottom:18px}.calc-tools{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin:16px 0}.calc-tool{border:1px solid var(--line);background:var(--paper);border-radius:13px;padding:14px;text-align:left;display:grid;gap:5px;cursor:pointer;color:var(--ink)}.calc-tool span{font-size:23px}.calc-tool small{color:var(--muted);line-height:1.35}.calc-tool:hover,.calc-tool.active{border-color:#8bb0e8;background:#f2f7ff;box-shadow:0 7px 22px #164f9a12}.calc-workspace{border:1px solid var(--line);border-radius:16px;background:var(--paper);padding:22px}.calc-workspace h2{margin-top:0}.calc-form{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;align-items:end}.calc-form label{display:grid;gap:6px;font-size:13px;font-weight:700}.calc-form input,.calc-form select{width:100%;padding:11px;border:1px solid #d9e0eb;border-radius:9px;background:#fff;font:inherit}.calc-result{margin-top:18px;padding:17px;border-radius:12px;background:#f1f7ff;border:1px solid #d4e4f7;display:grid;gap:6px}.calc-result b{font-size:20px}.calc-result span{color:var(--muted)}
@media(max-width:900px){.support-grid{grid-template-columns:1fr}.calc-home-grid,.calc-tools{grid-template-columns:1fr 1fr}.calc-form{grid-template-columns:1fr 1fr}}@media(max-width:620px){.calc-home-grid,.calc-tools,.calc-form{grid-template-columns:1fr}}