:root {
  --bg:#0f1115; --panel:#171a21; --panel-2:#1e222b; --border:#2a2f3a;
  --text:#e6e8ee; --muted:#8b92a3; --accent:#ff7a1a; --accent-2:#ffb066;
  --success:#2ecc71; --danger:#e74c3c;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg); color: var(--text); min-height: 100vh;
  background-image: radial-gradient(1200px 400px at 50% -200px, rgba(255,122,26,.08), transparent);
}
a { color: inherit; text-decoration: none; }

/* --- Topbar --- */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 32px; background: rgba(23,26,33,.85);
  border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10;
  backdrop-filter: blur(10px);
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand .logo { font-size: 32px; }
.brand h1 { font-size: 20px; letter-spacing: .5px; }
.brand p { font-size: 12px; color: var(--muted); }
nav a {
  padding: 8px 16px; border-radius: 8px; font-size: 14px;
  color: var(--muted); transition: .2s;
}
nav a:hover { color: var(--text); background: var(--panel-2); }
nav a.active { color: var(--accent); background: rgba(255,122,26,.1); }

/* --- Hero --- */
.hero { text-align: center; padding: 60px 20px 30px; }
.hero h2 { font-size: 34px; margin-bottom: 12px;
  background: linear-gradient(90deg, var(--text), var(--accent-2));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.hero p { color: var(--muted); margin-bottom: 30px; }

.search-bar {
  display: flex; gap: 8px; max-width: 520px; margin: 0 auto;
  background: var(--panel); padding: 8px; border-radius: 14px;
  border: 1px solid var(--border);
}
.search-bar input {
  flex: 1; background: transparent; border: none; outline: none;
  color: var(--text); padding: 12px 16px; font-size: 18px;
  letter-spacing: 3px; font-weight: 600; text-transform: uppercase;
}
.search-bar input::placeholder { color: #4a5162; letter-spacing: 2px; }
.search-bar button {
  background: var(--accent); color: #111; border: none; padding: 0 28px;
  border-radius: 10px; font-weight: 700; cursor: pointer; font-size: 15px;
  transition: .2s;
}
.search-bar button:hover { background: var(--accent-2); }

/* --- Sonuç --- */
main { max-width: 960px; margin: 0 auto; padding: 0 24px 60px; }
.result { margin-top: 40px; animation: fade .3s ease; }
.hidden { display: none; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } }

.vehicle-card {
  display: flex; align-items: center; gap: 24px; flex-wrap: wrap;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px; margin-bottom: 24px;
}
.plate {
  background: linear-gradient(180deg,#fff,#e6e6e6); color:#111;
  border: 3px solid #111; border-radius: 8px; padding: 8px 18px;
  font-weight: 800; font-size: 22px; letter-spacing: 2px;
  font-family: "Arial Narrow", sans-serif;
}
.vinfo { flex: 1; }
.vinfo h3 { font-size: 20px; margin-bottom: 4px; }
.vinfo p { color: var(--muted); font-size: 14px; }
.stats { display: flex; gap: 20px; }
.stats > div {
  text-align: center; padding: 10px 20px; background: var(--panel-2);
  border-radius: 10px; font-size: 12px; color: var(--muted);
}
.stats span { display: block; font-size: 20px; color: var(--accent); font-weight: 700; }

/* --- Timeline --- */
.timeline { position: relative; padding-left: 24px; }
.timeline::before {
  content: ''; position: absolute; left: 6px; top: 8px; bottom: 8px;
  width: 2px; background: var(--border);
}
.m-item {
  position: relative; background: var(--panel); border: 1px solid var(--border);
  border-radius: 12px; padding: 18px; margin-bottom: 14px;
}
.m-item::before {
  content: ''; position: absolute; left: -24px; top: 22px;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--accent); border: 3px solid var(--bg);
}
.m-head { display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 8px; }
.m-head strong { font-size: 16px; }
.m-head .date { color: var(--muted); font-size: 13px; }
.m-meta { display: flex; gap: 16px; flex-wrap: wrap; font-size: 13px;
  color: var(--muted); margin-bottom: 8px; }
.m-desc { font-size: 14px; color: #c8cdd8; margin: 8px 0; line-height: 1.5; }
.parts { list-style: none; margin-top: 8px; display: flex; flex-wrap: wrap; gap: 6px; }
.parts li {
  background: var(--panel-2); border: 1px solid var(--border);
  padding: 4px 10px; border-radius: 20px; font-size: 12px; color: var(--accent-2);
}
.next {
  margin-top: 12px; padding: 8px 12px; background: rgba(46,204,113,.08);
  border-left: 3px solid var(--success); border-radius: 6px;
  font-size: 13px; color: var(--success);
}
.empty {
  text-align: center; color: var(--muted); padding: 40px;
  background: var(--panel); border: 1px dashed var(--border); border-radius: 12px;
}

/* --- Admin --- */
.admin { display: grid; grid-template-columns: 1.3fr 1fr; gap: 24px;
  max-width: 1200px; margin: 0 auto; padding: 32px 24px 60px; }
@media (max-width: 900px) { .admin { grid-template-columns: 1fr; } }

.card { background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px; }
.card h2 { font-size: 18px; margin-bottom: 20px; padding-bottom: 12px;
  border-bottom: 1px solid var(--border); }

label { display: flex; flex-direction: column; gap: 6px;
  font-size: 12px; color: var(--muted); font-weight: 600;
  text-transform: uppercase; letter-spacing: .5px; }
input, textarea, select {
  background: var(--panel-2); border: 1px solid var(--border);
  color: var(--text); padding: 10px 12px; border-radius: 8px;
  font-family: inherit; font-size: 14px; outline: none; transition: .2s;
  text-transform: none; letter-spacing: normal;
}
input:focus, textarea:focus { border-color: var(--accent); }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 14px; }
textarea { width: 100%; resize: vertical; }

.parts-editor { margin: 20px 0; }
.parts-head { display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: var(--muted); margin-bottom: 10px; font-weight: 600;
  text-transform: uppercase; }
.parts-head button {
  background: transparent; color: var(--accent); border: 1px solid var(--accent);
  padding: 6px 12px; border-radius: 6px; cursor: pointer; font-size: 12px;
}
.parts-head button:hover { background: rgba(255,122,26,.1); }
.part-row { display: grid; grid-template-columns: 2fr 70px 110px 30px;
  gap: 8px; margin-bottom: 8px; }
.part-row .rm { background: transparent; border: 1px solid var(--border);
  color: var(--danger); border-radius: 6px; cursor: pointer; }

button.primary {
  width: 100%; padding: 14px; background: var(--accent); color: #111;
  border: none; border-radius: 10px; font-weight: 700; font-size: 15px;
  cursor: pointer; margin-top: 12px; transition: .2s;
}
button.primary:hover { background: var(--accent-2); }

.v-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px; border-radius: 10px; border: 1px solid var(--border);
  margin-bottom: 8px; background: var(--panel-2); transition: .2s;
}
.v-row:hover { border-color: var(--accent); }
.plate-sm {
  background: #fff; color:#111; padding: 2px 8px; border-radius: 4px;
  font-weight: 700; font-size: 12px; letter-spacing: 1px; margin-right: 10px;
  font-family: "Arial Narrow", sans-serif;
}
.v-meta { font-size: 12px; color: var(--muted); }
.link { color: var(--accent); font-size: 13px; }

footer { text-align: center; padding: 24px; color: var(--muted); font-size: 13px;
  border-top: 1px solid var(--border); }

.toast {
  position: fixed; bottom: 24px; right: 24px; padding: 14px 20px;
  background: var(--success); color: #111; border-radius: 10px;
  font-weight: 600; animation: fade .3s; z-index: 100;
}
.toast.err { background: var(--danger); color: #fff; }
/* ========== MOBİL DÜZENLEMELER ========== */
@media (max-width: 640px) {
  /* Topbar - logo ve menü alt alta */
  .topbar {
    flex-direction: column;
    padding: 12px 16px;
    gap: 10px;
  }
  .brand { width: 100%; justify-content: center; }
  .brand .logo { font-size: 26px; }
  .brand h1 { font-size: 17px; }
  .brand p { font-size: 11px; }

  nav {
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 4px;
  }
  nav a {
    font-size: 12px;
    padding: 6px 10px;
  }

  /* Arama çubuğu - tam genişlik, buton alta */
  .search-bar {
    flex-direction: column;
    padding: 12px;
    max-width: 100%;
    gap: 10px;
  }
  .search-bar input {
    font-size: 20px;
    padding: 14px 12px;
    text-align: center;
    letter-spacing: 4px;
  }
  .search-bar button {
    width: 100%;
    padding: 14px;
    font-size: 15px;
  }

  /* Hero başlık */
  .hero { padding: 30px 16px 20px; }
  .hero h2 { font-size: 22px; line-height: 1.3; }
  .hero p { font-size: 13px; }

  /* Ana içerik */
  main { padding: 0 14px 40px; }

  /* Araç kartı */
  .vehicle-card {
    flex-direction: column;
    align-items: stretch;
    padding: 18px;
    gap: 14px;
  }
  .plate { font-size: 20px; padding: 10px 16px; align-self: center; }
  .vinfo { text-align: center; }
  .vinfo h3 { font-size: 17px; }
  .stats { justify-content: space-around; }

  /* Bakım kaydı */
  .timeline { padding-left: 16px; }
  .timeline::before { left: 4px; }
  .m-item { padding: 14px; }
  .m-item::before { left: -18px; width: 12px; height: 12px; }
  .m-head { flex-direction: column; align-items: flex-start; gap: 4px; }
  .m-head strong { font-size: 15px; }
  .m-meta { gap: 10px; font-size: 12px; }
  .m-desc { font-size: 13px; }
  .next { font-size: 12px; }

  /* Parçalar */
  .parts li { font-size: 11px; }
}