/* Arka plan: bg.jpg */
body{
  margin:0;
  min-height:100vh;
  font-family: Arial, Helvetica, sans-serif;

  background-image: url("bg.jpg");
  background-repeat: no-repeat;
  background-position: center center;
  background-attachment: fixed;
  background-size: contain;
  background-color: #000; /* boşluk kalırsa siyah */
  color:#2B2B2B;
}

/* Arka plan karartma katmanı */
.bg-overlay{
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.25);
  pointer-events: none;
  z-index: 0;
}

.overlay,
.login-wrap{
  position: relative;
  z-index: 1;
}

/* Tema değişkenleri */
:root{
  --cream:  #FAF7F2;
  --cream2: #F5F1EB;
  --text:   #2B2B2B;
  --brown:  #3A2A22;
  --brown2: #2B1F1A;
}

/* İç kapsayıcı */
.overlay{
  min-height:100vh;
  display:flex; /*içerideki kartı hizzalar*/
  align-items:center; /*dikeyde ortalar*/
  justify-content:center; /*yatayda ortalar*/
  padding:30px; /*ekran küçükse kenarlara yapışmasın*/
}

/* Kart */
.card{
  background: rgba(250,247,242,0.95);
  border-radius: 14px; /*yuvarlak köşe*/
  padding: 20px;
  box-shadow: 0 8px 30px rgba(0,0,0,0.4);

  width: 1100px;
  max-width: 96vw;
  max-height: 80vh;
  overflow: auto;
  color: var(--text);
}
/*başlıklar*/
h1,h2{
  margin: 0 0 12px 0;
  text-align:center;
}
/*kullanıcı ve butonlar*/
/* Üst bar */
.topbar{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:10px;
  margin-bottom: 10px;
}

/* Butonlar */
a.btn, button.btn, input.btn, input[type="submit"].btn{
  display:inline-block;
  border:0;
  background: var(--brown);
  color: var(--cream);
  padding:10px 14px;
  border-radius:10px;
  text-decoration:none;
  cursor:pointer;
}

a.btn:hover, button.btn:hover, input[type="submit"].btn:hover{
  background: var(--brown2);
}

a.btn.secondary{
  background:#5b524b; /* ikincil buton */
}
a.btn.secondary:hover{
  background:#463f3a;
}

/* Form alanları */
fieldset{
  border:1px solid rgba(58,42,34,0.18);
  border-radius:10px;
  margin: 10px 0;
  padding: 10px 12px;
}

legend{
  padding:0 8px;
  font-weight:bold;
}

input[type="text"], input[type="password"], textarea{
  width: 100%;
  box-sizing:border-box;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid rgba(58,42,34,0.25);
  margin-top: 6px;
  background: rgba(245,241,235,0.95);
  color: var(--text);
}

input::placeholder, textarea::placeholder{
  color: rgba(43,43,43,0.65);
}

textarea{
  min-height: 90px;
  resize: vertical;
}

/* Tablo */
table{
  width:100%;
  border-collapse: collapse;
  margin-top: 10px;
  background: white;
  border-radius: 12px;
  overflow:hidden;
  border: 1px solid rgba(58,42,34,0.12);
}

th, td{
  padding:10px 10px;
  border-bottom:1px solid rgba(58,42,34,0.10);
  vertical-align: top;
}

thead th{
  background: var(--brown);
  color: var(--cream);
}
/*zebra deseni*/
tbody tr:nth-child(even){
  background:#F1ECE6; /* zebra */
}

.badge{
  background: var(--brown);
  color: var(--cream);
  padding:4px 8px;
  border-radius:10px;
  font-size:12px;
}

.small{ font-size: 13px; color:#333; }
.center{ text-align:center; }

/* LOGIN */
.login-wrap{
  min-height:100vh;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  padding-top:70px;
}

.login-title{
  font-family: Georgia, "Times New Roman", serif;
  font-style: italic;
  font-weight: 500;
  color: var(--cream);
  font-size:48px;
  margin:0 0 35px 0;
  text-align:center;
  text-shadow: 0 4px 14px rgba(0,0,0,0.6);
}

.login-form{
  width: 520px;
  max-width: 92vw;
  display:flex;
  flex-direction:column;
  gap:18px;
}

.login-input{
  width:100%;
  padding:18px 18px;
  border-radius:4px;
  border:1px solid rgba(255,255,255,0.7);
  background: rgba(255,255,255,0.92);
  font-size:18px;
  outline:none;
}

.login-btn{
  width:100%;
  padding:16px 18px;
  border-radius:6px;
  border:none;
  background: var(--brown);
  color: var(--cream);
  font-size:22px;
  cursor:pointer;
}

.login-btn:hover{
  background: var(--brown2);
}