:root {
    --kd-accent: #FF6600; --kd-accent-rgb: 255, 102, 0; --kd-on-accent: #131518;
    --kd-bg: #131518; --kd-side: #181B1F; --kd-surface: #1E2226; --kd-line: #2B3036; --kd-line-2: #3A4048;
    --kd-text: #EEECE6; --kd-text-2: #D4D7DB; --kd-muted: #A3A9B0; --kd-faint: #8A9199;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; min-height: 100%; background: var(--kd-bg); }
body { min-height: 100vh; min-height: 100dvh; color: var(--kd-text); font-family: 'IBM Plex Sans', 'Segoe UI', sans-serif; display: flex; flex-wrap: wrap; }
a { color: var(--kd-text-2); }
a:hover { color: #fff; }

/* sol: kulüp tanıtımı (yalnızca geniş ekranda) */
.tanitim {
    flex: 1 1 420px; background: var(--kd-side); border-right: 1px solid var(--kd-line);
    padding: 56px 64px; display: flex; flex-direction: column; gap: 32px;
}
.marka { display: flex; align-items: center; gap: 10px; color: var(--kd-muted); }
.marka span { font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 16px; letter-spacing: 0.14em; }
.tanitim-orta { margin-top: auto; display: flex; flex-direction: column; gap: 18px; }
.tanitim-logo { width: 96px; height: 96px; border-radius: 50%; object-fit: cover; border: 3px solid var(--kd-accent); }
.tanitim h1 { margin: 0; font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 64px; line-height: 0.95; text-transform: uppercase; max-width: 560px; }
.tanitim p { margin: 0; max-width: 480px; font-size: 17px; line-height: 1.55; color: #B9BEC4; }
.ozellikler { margin: 0; padding: 0; list-style: none; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; max-width: 600px; }
.ozellikler li { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border: 1px solid var(--kd-line); border-radius: 10px; background: var(--kd-surface); font-size: 14px; font-weight: 500; }
.ozellikler i { color: var(--kd-accent); width: 18px; text-align: center; }
.tanitim-alt { margin-top: auto; font-size: 12px; color: var(--kd-faint); }

/* sağ: giriş formu */
.giris { flex: 1 1 420px; display: flex; align-items: center; justify-content: center;
    padding: calc(40px + env(safe-area-inset-top)) 24px calc(40px + env(safe-area-inset-bottom)); }
.kart { width: 100%; max-width: 400px; display: flex; flex-direction: column; gap: 18px; }
.kulup { display: none; align-items: center; gap: 14px; margin-bottom: 8px; }
.kulup img { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; border: 3px solid var(--kd-accent); }
.kulup b { display: block; font-family: 'Barlow Condensed', sans-serif; font-size: 26px; line-height: 1; text-transform: uppercase; }
.kulup small { font-family: 'IBM Plex Mono', monospace; font-size: 12px; color: var(--kd-muted); }
.kart h2 { margin: 0; font-family: 'Barlow Condensed', sans-serif; font-weight: 700; font-size: 36px; text-transform: uppercase; }
.kart .aciklama { margin: -10px 0 4px; font-size: 14px; color: var(--kd-muted); }
form { display: flex; flex-direction: column; gap: 16px; }
.etiket { display: flex; flex-direction: column; gap: 6px; font-size: 13px; font-weight: 600; color: var(--kd-text-2); }
.alan { position: relative; }
.alan input {
    width: 100%; height: 50px; border-radius: 8px; border: 1px solid var(--kd-line-2); background: var(--kd-surface);
    color: var(--kd-text); font-family: inherit; font-size: 16px; padding: 0 48px 0 44px; outline: none;
    transition: border-color .15s, box-shadow .15s;
}
.alan input:focus { border-color: var(--kd-accent); box-shadow: 0 0 0 3px rgba(var(--kd-accent-rgb), .2); }
.alan .ikon { position: absolute; left: 16px; top: 50%; transform: translateY(-50%); color: var(--kd-faint); }
.goz { position: absolute; right: 3px; top: 50%; transform: translateY(-50%); width: 44px; height: 44px; border: 0; border-radius: 6px; background: none; color: var(--kd-muted); font-size: 1rem; cursor: pointer; }
.goz:hover { color: #fff; }
.hatirla { display: flex; align-items: center; gap: 10px; min-height: 44px; color: var(--kd-text-2); font-size: 14px; user-select: none; }
.hatirla input { width: 18px; height: 18px; accent-color: var(--kd-accent); }
.btn-giris {
    width: 100%; height: 52px; border: 0; border-radius: 8px; cursor: pointer;
    background: var(--kd-accent); color: var(--kd-on-accent); font-family: inherit; font-weight: 600; font-size: 16px;
    transition: filter .15s, transform .1s;
}
.btn-giris:hover { filter: brightness(1.08); }
.btn-giris:active { transform: scale(.98); }
.btn-giris[disabled] { opacity: .75; }
.hata { background: rgba(229, 72, 77, .12); border: 1px solid rgba(229, 72, 77, .55); color: #FF8A8E; border-radius: 10px; padding: 12px 14px; font-size: 14px; font-weight: 600; }
.cizgi { height: 1px; background: var(--kd-line); margin: 4px 0; }
.alt { color: var(--kd-faint); font-size: 13px; line-height: 1.6; text-align: center; margin: 0; }
.alt a { color: var(--kd-text-2); }

.basari { background: rgba(48, 164, 108, .12); border: 1px solid rgba(48, 164, 108, .55); color: #7BE0A8; border-radius: 10px; padding: 12px 14px; font-size: 14px; font-weight: 600; }
.alan input.ikonsuz { padding-left: 14px; }
.ipucu { font-size: 12px; font-weight: 400; color: var(--kd-faint); }
.onay { display: flex; align-items: flex-start; gap: 10px; color: var(--kd-text-2); font-size: 13px; line-height: 1.5; }
.onay input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--kd-accent); flex: none; }
.btn-ikinci { display: flex; align-items: center; justify-content: center; gap: 8px; width: 100%; height: 48px; border-radius: 8px;
    border: 1px solid var(--kd-line-2); background: transparent; color: var(--kd-text); font-family: inherit; font-weight: 600; font-size: 15px; text-decoration: none; cursor: pointer; }
.btn-ikinci:hover { border-color: var(--kd-accent); color: #fff; }
.gizli-alan { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.plan { border: 1px solid var(--kd-line-2); border-radius: 12px; padding: 18px; background: var(--kd-surface); display: flex; flex-direction: column; gap: 8px; }
.plan b { font-family: 'Barlow Condensed', sans-serif; font-size: 24px; text-transform: uppercase; }
.plan .sayac { font-family: 'IBM Plex Mono', monospace; color: var(--kd-muted); font-size: 14px; }
.cubuk { height: 8px; border-radius: 4px; background: var(--kd-line); overflow: hidden; }
.cubuk span { display: block; height: 100%; background: var(--kd-accent); }
details.tehlike { border: 1px solid rgba(229, 72, 77, .4); border-radius: 10px; padding: 12px 14px; }
details.tehlike summary { cursor: pointer; color: #FF8A8E; font-weight: 600; font-size: 14px; }
details.tehlike form { margin-top: 12px; }
.btn-tehlike { width: 100%; height: 46px; border: 0; border-radius: 8px; background: #E5484D; color: #fff; font-weight: 600; font-family: inherit; cursor: pointer; }

@media (max-width: 899px) {
    .tanitim { display: none; }
    .kulup { display: flex; }
}
[hidden] { display: none !important; }