:root{
  --pri:#3aa0e6; --pri-soft:#e6f4fd; --bg:#f3f9fd; --card:#ffffff; --text:#111418; --muted:#6b7480;
  --line:#dfe8ef; --ok:#1f8a4c; --warn:#b26a00; --bad:#c62828; --radius:14px;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,Roboto,"Segoe UI",Arial,sans-serif;-webkit-tap-highlight-color:transparent}
body{min-height:100vh}
.hide{display:none!important}
main{max-width:520px;margin:0 auto;padding:12px 16px 96px}
h1{font-size:20px;margin:6px 0 14px}
h2{font-size:16px;margin:0 0 10px}
p{line-height:1.45}
a{color:var(--pri)}

/* Üst bar */
.top{position:sticky;top:0;z-index:5;display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--card);border-bottom:1px solid var(--line)}
.top .burger{width:44px;height:44px;border:0;background:transparent;display:flex;flex-direction:column;justify-content:center;gap:5px;padding:10px;cursor:pointer}
.top .burger span{display:block;height:2px;background:var(--text);border-radius:2px}
.top .brand{display:flex;align-items:center;gap:10px;min-width:0}
.top .brand img{width:34px;height:34px;border-radius:50%;object-fit:cover;background:var(--pri-soft)}
.top .brand b{font-size:16px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}

/* Alt menü */
nav.tabs{position:fixed;bottom:0;left:0;right:0;z-index:5;display:grid;grid-template-columns:repeat(6,1fr);background:var(--card);border-top:1px solid var(--line);padding-bottom:env(safe-area-inset-bottom)}
nav.tabs button{border:0;background:transparent;color:var(--muted);font-size:11px;padding:12px 2px;cursor:pointer;width:auto}
nav.tabs button.on{color:var(--pri);font-weight:700}

/* Kartlar ve form */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:12px}
label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px}
input,select,textarea{width:100%;font:inherit;font-size:17px;padding:12px;border:1px solid var(--line);border-radius:10px;background:var(--card);color:var(--text)}
input:focus,select:focus{outline:2px solid var(--pri);outline-offset:-1px}
input[type=checkbox]{width:auto;margin-right:8px}
.big{font-size:30px;text-align:center;font-weight:700}
button{font:inherit;font-size:16px;padding:13px;border-radius:10px;border:1px solid var(--line);background:var(--card);color:var(--text);width:100%;cursor:pointer}
button:disabled{opacity:.55}
.btn-pri{background:var(--pri);border-color:var(--pri);color:#fff;font-weight:600}
.btn-dark{background:var(--text);border-color:var(--text);color:var(--card)}
.btn-sm{width:auto;padding:7px 11px;font-size:14px}
.sel{background:var(--pri-soft);border-color:var(--pri);color:var(--pri);font-weight:700}
.row{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-top:10px}
.row3{display:grid;grid-template-columns:2fr 1fr 1fr auto;gap:6px;margin-top:6px;align-items:center}
.row3 input{font-size:15px;padding:10px}
.muted{color:var(--muted);font-size:13px}
.title{font-size:28px;font-weight:700;margin:2px 0 8px}
.ok{color:var(--ok);font-weight:600}.warn{color:var(--warn);font-weight:600}.bad{color:var(--bad);font-weight:600}
.bar{height:5px;background:var(--line);border-radius:5px;margin:6px 0 14px}
.bar div{height:5px;background:var(--pri);border-radius:5px;transition:width .2s}
.list>div{display:flex;justify-content:space-between;align-items:center;gap:8px;padding:10px 0;border-bottom:1px solid var(--line)}
.list>div:last-child{border-bottom:0}
.stat{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stat>div{background:var(--pri-soft);border-radius:10px;padding:10px}
.stat b{display:block;font-size:19px;margin-top:3px}
.flex{display:flex;justify-content:space-between;align-items:center;gap:8px}
.pill{display:inline-block;padding:3px 9px;border-radius:20px;font-size:12px;background:var(--pri-soft);color:var(--pri)}
details summary{cursor:pointer;padding:6px 0}
.banner{background:var(--pri-soft);border:1px solid var(--pri);border-radius:var(--radius);padding:12px;margin-bottom:12px;font-size:14px}
.swatches{display:flex;gap:10px;flex-wrap:wrap;margin-top:6px}
.swatches button{width:44px;height:44px;border-radius:50%;padding:0;border:3px solid transparent}
.swatches button.sel{border-color:var(--text)}

/* Çekmece menü */
.drawer{position:fixed;inset:0;z-index:20;background:rgba(0,0,0,.35)}
.drawer .panel{position:absolute;top:0;left:0;bottom:0;width:min(82vw,320px);background:var(--card);padding:18px;display:flex;flex-direction:column;gap:8px;animation:slide .18s ease-out}
.drawer .panel button{text-align:left;border:0;border-bottom:1px solid var(--line);border-radius:0;padding:16px 6px}
@keyframes slide{from{transform:translateX(-100%)}to{transform:none}}

/* Modal */
.modal{position:fixed;inset:0;z-index:30;background:rgba(0,0,0,.4);display:flex;align-items:flex-end;justify-content:center}
.modal .sheet{background:var(--card);width:100%;max-width:520px;border-radius:18px 18px 0 0;padding:18px 16px calc(18px + env(safe-area-inset-bottom));max-height:92vh;overflow:auto}

/* Hesap makinesi */
.calc-screen{font-size:30px;text-align:right;padding:14px;border:1px solid var(--line);border-radius:10px;min-height:64px;word-break:break-all}
.calc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:10px}
.calc-grid button{font-size:22px;padding:16px 0}

/* Yükleme animasyonu */
.loader{position:fixed;inset:0;z-index:40;display:none;align-items:center;justify-content:center;background:color-mix(in srgb,var(--bg) 70%,transparent)}
.loader.show{display:flex}
.loader-mark{position:relative;width:84px;height:84px;display:flex;align-items:center;justify-content:center}
.loader-mark img{width:72px;height:72px;border-radius:50%;object-fit:cover;animation:pulse 1.1s ease-in-out infinite}
.loader-mark svg{position:absolute;inset:0}
.loader-mark circle{fill:none;stroke:var(--pri);stroke-width:4;stroke-linecap:round;stroke-dasharray:252;stroke-dashoffset:252;opacity:.85;transform-origin:50% 50%;animation:draw 1.3s ease-in-out infinite}
@keyframes draw{0%{stroke-dashoffset:252;transform:rotate(0)}60%{stroke-dashoffset:0}100%{stroke-dashoffset:-252;transform:rotate(360deg)}}
@keyframes pulse{0%,100%{transform:scale(.88);opacity:.75}50%{transform:scale(1);opacity:1}}

#toasts{position:fixed;top:12px;left:0;right:0;z-index:50;display:flex;flex-direction:column;align-items:center;gap:6px;pointer-events:none}
.toast{background:var(--text);color:var(--card);padding:10px 16px;border-radius:10px;font-size:14px;max-width:90vw}

.auth{max-width:420px;margin:0 auto;padding:40px 18px}
.auth .logo{width:72px;height:72px;margin:0 auto 12px;display:block}
.center{text-align:center}