:root {
  --bg: #0d1116; --bg2: #121820; --card: #161d26; --line: #252f3b; --text: #e9eef3; --muted: #93a1af;
  --accent: #ffd400; --accent-ink: #141414; --ok: #3ccf7a; --err: #ff6b6b; --warn: #ffb547;
  --radius: 14px;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font-family: Montserrat, "Segoe UI", system-ui, sans-serif; font-size: 15px; line-height: 1.55; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* Üst menü */
.topbar { position: sticky; top: 0; z-index: 50; background: rgba(13,17,22,.88); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.topbar .wrap { display: flex; align-items: center; gap: 18px; height: 60px; }
.brand { font-weight: 800; font-size: 19px; color: var(--text); display: flex; align-items: center; gap: 9px; }
.brand:hover { text-decoration: none; }
.brand .dot { width: 26px; height: 26px; border-radius: 7px; background: var(--accent); display: grid; place-items: center; color: var(--accent-ink); font-size: 14px; }
.topbar nav { margin-left: auto; display: flex; align-items: center; gap: 16px; }
.topbar nav a { color: var(--text); font-weight: 600; font-size: 14px; }
.credit-badge { background: #2a2410; border: 1px solid #5a4a0a; color: var(--accent); font-weight: 800; padding: 5px 11px; border-radius: 99px; font-size: 13px; white-space: nowrap; }

/* Butonlar & formlar */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 700; border: 0; border-radius: 10px; padding: 11px 18px; cursor: pointer; font-size: 15px; text-decoration: none !important; transition: transform .08s, filter .15s; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: var(--accent-ink); }
.btn-primary:hover { filter: brightness(1.06); }
.btn-ghost { background: #222b36; color: var(--text); }
.btn-ghost:hover { background: #2a3542; }
.btn-danger { background: #3a1d1f; color: #ffb3b3; }
.btn-ok { background: #183a28; color: #9ff0c0; }
.btn-sm { padding: 7px 12px; font-size: 13px; border-radius: 8px; }
.btn-lg { padding: 15px 26px; font-size: 17px; border-radius: 12px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 5px; font-weight: 600; }
input[type=text], input[type=email], input[type=password], input[type=number], input[type=tel], select, textarea {
  width: 100%; background: var(--bg); border: 1px solid var(--line); color: var(--text); border-radius: 9px; padding: 10px 12px; font: inherit; font-size: 15px;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: transparent; }
.check { display: flex; gap: 9px; align-items: flex-start; font-size: 13px; color: var(--muted); margin-top: 14px; font-weight: 500; }
.check input { margin-top: 3px; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.grid { display: grid; gap: 18px; }
.alert { padding: 11px 14px; border-radius: 10px; font-size: 14px; margin: 12px 0; }
.alert-err { background: #3a1d1f; color: #ffc4c4; }
.alert-ok { background: #183a28; color: #b5f5cf; }
.alert-info { background: #1b2735; color: #c6d9ee; }
.hidden { display: none !important; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; }
.table-wrap { overflow-x: auto; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 99px; font-size: 12px; font-weight: 700; }
.tag-wait { background: #3a2e12; color: var(--warn); }
.tag-ok { background: #183a28; color: var(--ok); }
.tag-no { background: #3a1d1f; color: var(--err); }

/* Giriş/kayıt */
.auth-box { max-width: 420px; margin: 60px auto; }

/* Alt bilgi */
footer { border-top: 1px solid var(--line); margin-top: 70px; padding: 30px 0 40px; color: var(--muted); font-size: 13px; }
footer .wrap { display: flex; flex-wrap: wrap; gap: 18px; justify-content: space-between; }
footer a { color: var(--muted); }

@media (max-width: 720px) {
  .wrap { padding: 0 14px; }
  .topbar .wrap { gap: 10px; }
  .topbar nav { gap: 12px; }
  .topbar nav a { font-size: 13px; }
  .brand { font-size: 17px; }
  .topbar nav .hide-m { display: none; }
  .card { padding: 16px; min-width: 0; }
  .credit-badge { padding: 4px 8px; font-size: 12px; }
  input, select, textarea { font-size: 16px !important; } /* iPhone'da otomatik yakınlaştırmayı önler */
}
@media (max-width: 400px) {
  .brand .brand-text { display: none; }
}