:root{--bg:#f6f8fb;--card:#fff;--text:#16202e;--muted:#5b6778;--line:#dde3ec;--brand:#2563eb;--brand-d:#1d4ed8;--ok:#0f766e;--bad:#b42318;--r:12px}
:root{color-scheme:light}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;min-height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif}
.wrap{max-width:900px;margin:0 auto;padding:0 16px}
a{color:var(--brand)}
.site-header{background:var(--card);border-bottom:1px solid var(--line)}
.hdr-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:56px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:3px;text-decoration:none}
.lt{display:inline-grid;place-items:center;width:26px;height:26px;border-radius:7px;color:#fff;font-weight:800;font-size:15px;line-height:1;box-shadow:inset 0 -2px 0 rgba(0,0,0,.15)}
.lt1{background:#2563eb}.lt2{background:#15803d}.lt3{background:#ea580c}.lt4{background:#dc2626}.lt5{background:#7c3aed}
.brand:hover .lt{filter:brightness(1.08)}
.nav{display:flex;gap:4px;flex-wrap:wrap}
.nav a{padding:8px 12px;border-radius:8px;color:var(--text);text-decoration:none;font-size:.95rem}
.nav a:hover,.nav a[aria-current=page]{background:var(--bg);color:var(--brand)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);color:var(--text);border-radius:8px;padding:6px 12px;font:inherit}
@media (max-width:640px){.nav-toggle{display:block}.nav{display:none;width:100%;flex-direction:column;padding-bottom:8px}.nav.open{display:flex}}
main.wrap{flex:1;width:100%;padding-top:28px;padding-bottom:48px}
h1{font-size:1.9rem;line-height:1.25;margin:.2em 0 .3em}
h2{font-size:1.3rem;margin:1.8em 0 .5em}
h3{font-size:1.05rem;margin:1.2em 0 .3em}
.lead{color:var(--muted);font-size:1.05rem;margin-top:0}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:20px;margin:18px 0}
.card h2:first-child{margin-top:0}
.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:12px}
label{display:block;font-size:.88rem;color:var(--muted);margin-bottom:4px}
input,select{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;background:var(--bg);color:var(--text);font:inherit}
input:focus,select:focus,button:focus-visible{outline:2px solid var(--brand);outline-offset:1px}
.check{display:flex;align-items:center;gap:8px;margin:6px 0 12px}
.check input{width:auto}
.check label{margin:0;color:var(--text)}
.btn{display:inline-block;text-decoration:none;background:var(--brand);color:#fff;border:0;border-radius:10px;padding:12px 22px;font:inherit;font-weight:600;cursor:pointer}
.btn:hover{background:var(--brand-d)}
.btn.ghost{background:transparent;color:var(--brand);border:1px solid var(--line)}
.btn[disabled]{opacity:.6;cursor:default}
.tool-card{display:block;text-decoration:none;color:var(--text);background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px}
.tool-card:hover{border-color:var(--brand)}
.tool-card b{display:block;margin-bottom:4px}
.tool-card span{color:var(--muted);font-size:.92rem}
.result{display:none;margin-top:16px;padding:16px;border-radius:10px;background:var(--bg);border:1px solid var(--line)}
.result.show{display:block}
.result .big{font-size:1.8rem;font-weight:700;color:var(--ok);line-height:1.2}
.result .err{color:var(--bad);font-weight:600}
.result ul{margin:8px 0 0;padding-left:18px}
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:14px}
.tabs button{border:1px solid var(--line);background:var(--bg);color:var(--text);border-radius:8px;padding:8px 14px;font:inherit;cursor:pointer}
.tabs button[aria-selected=true]{background:var(--brand);border-color:var(--brand);color:#fff}
.course{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:8px;margin-bottom:8px;align-items:center}
@media (max-width:520px){.course{grid-template-columns:1fr 1fr}.course .cname{grid-column:1/-1}}
.course .rm{background:none;border:1px solid var(--line);border-radius:8px;color:var(--muted);padding:8px 10px;cursor:pointer}
.faq details{border-bottom:1px solid var(--line);padding:10px 0}
.faq summary{cursor:pointer;font-weight:600}
.faq p{margin:8px 0 0}
.muted{color:var(--muted);font-size:.9rem}
.ad-slot{min-height:90px;margin:18px 0;display:grid;place-items:center;border:1px dashed var(--line);border-radius:10px;color:var(--muted);font-size:.8rem}
.site-footer{border-top:1px solid var(--line);background:var(--card);padding:22px 0;font-size:.92rem}
.foot-links a{margin-right:14px}
.site-footer p{margin:4px 0}
.overlay{position:fixed;inset:0;background:rgba(10,15,25,.7);display:none;place-items:center;z-index:50;padding:16px}
.overlay.open{display:grid}
.modal{background:var(--card);color:var(--text);border-radius:var(--r);padding:24px;max-width:420px;width:100%;text-align:center}
.modal h3{margin:0 0 8px;font-size:1.2rem}
.modal .stage{margin:16px 0;min-height:120px;display:grid;place-items:center;border:1px dashed var(--line);border-radius:10px;color:var(--muted)}
.modal .count{font-size:2rem;font-weight:700;color:var(--brand)}
table.t{width:100%;border-collapse:collapse;margin:10px 0;font-size:.95rem}
table.t th,table.t td{border:1px solid var(--line);padding:6px 10px;text-align:left}
code{background:var(--bg);padding:2px 6px;border-radius:5px;border:1px solid var(--line)}
/* Tarih seçici */
.row:has(.dp){grid-template-columns:repeat(auto-fit,minmax(310px,1fr))}
.dp{display:grid;grid-template-columns:1.5fr .8fr 1fr auto;gap:6px}
.dp select{padding:10px 8px}
.dp-today{border:1px solid var(--line);background:var(--card);color:var(--brand);border-radius:8px;padding:0 12px;font:inherit;font-size:.88rem;cursor:pointer}
.dp-today:hover{border-color:var(--brand)}
@media (max-width:420px){.dp{grid-template-columns:1fr 1fr 1fr}.dp-today{grid-column:1/-1;padding:8px}}
.field-title{display:block;font-size:.88rem;color:var(--muted);margin-bottom:4px}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
/* Sonuç kutucukları */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin:12px 0}
.tile{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.tile b{display:block;font-size:1.1rem;line-height:1.3}
.tile span{font-size:.8rem;color:var(--muted)}
.result h4{margin:16px 0 4px;font-size:.98rem}
.result p{margin:6px 0}
.progress{height:12px;background:var(--line);border-radius:6px;overflow:hidden;margin:8px 0}
.progress i{display:block;height:100%;background:var(--brand);border-radius:6px}
.result .sub{color:var(--muted);font-size:.92rem}
.pill{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:2px 10px;font-size:.82rem;color:var(--muted);margin:2px 4px 2px 0}
.hol-list{columns:2;column-gap:20px;margin:6px 0;padding-left:18px;font-size:.92rem}
@media (max-width:520px){.hol-list{columns:1}}
.related h2{margin-top:0}
.related .grid{margin-top:8px}
.w .course{grid-template-columns:2fr 1fr 1fr 1fr auto}
.course .ctype{display:none}
.w .course .ctype{display:block}
@media (max-width:620px){.w .course{grid-template-columns:1fr 1fr 1fr}.w .course .rm{grid-column:auto}}
.tabs{gap:6px}
.sec-title{font-size:1.05rem;font-weight:600;margin:0 0 8px}

/* Rewarded modal (sade: ikon, başlık, tek satır, View) */
.overlay{z-index:2147483000}
.ad-modal{position:relative;max-width:440px;padding:32px 24px 28px;text-align:center}
.adm-icon{display:flex;justify-content:center;margin:0 0 12px}
.ad-modal h3{margin:0 0 6px;font-size:1.5rem;font-weight:500;line-height:1.3}
.adm-body{margin:0;color:var(--muted);font-size:.95rem}
.adm-btn{display:block;width:90%;margin:22px auto 0;padding:11px 16px;border:0;border-radius:8px;background:#198754;color:#fff;font:inherit;font-size:1.25rem;cursor:pointer}
.adm-btn:hover{background:#157347}
.adm-x{position:absolute;top:8px;right:8px;width:34px;height:34px;border:0;background:transparent;color:var(--text);opacity:.3;font-size:14px;cursor:pointer}
.adm-x:hover{opacity:.6}
/* Satır içi bekleme ve iptal mesajı */
.spin{width:28px;height:28px;margin:6px auto;border:3px solid var(--line);border-top-color:var(--brand);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.need-ad{margin:0;text-align:center;color:var(--muted)}
@media (prefers-reduced-motion:reduce){.spin{animation-duration:2.4s}}
.ad-wrap{margin:18px 0;text-align:center;min-height:0}