* {
  box-sizing: border-box;
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
}

/* --- GENEL BODY --- */
body {
  background: linear-gradient(135deg, #1e3c72, #2a5298);
}

/* --- LOGIN SAYFASI --- */
body.login-page {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-container {
  background: #fff;
  padding: 30px;
  width: 320px;
  border-radius: 8px;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  text-align: center;
}

.login-container h1 {
  margin-bottom: 20px;
  font-size: 20px;
  color: #333;
}

.login-container input {
  width: 100%;
  padding: 10px;
  margin-bottom: 12px;
  border: 1px solid #ccc;
  border-radius: 4px;
}

.login-container button {
  width: 100%;
  padding: 10px;
  background: #2a5298;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}

.login-container button:hover {
  background: #1e3c72;
}

.error {
  margin-top: 10px;
  color: red;
  font-size: 14px;
}

/* --- ADMIN / PANEL SAYFASI --- */
.panel-container {
  display: flex;
  height: 100vh;
}

.sidebar {
  width: 200px;
  background: #1e3c72;
  color: white;
  padding: 20px;
}

.sidebar ul {
  list-style: none;
  padding: 0;
}

.sidebar li {
  margin: 15px 0;
}

.sidebar a {
  color: white;
  text-decoration: none;
}

.content {
  flex: 1;
  padding: 30px;
  background: #f4f4f4;
}

/* Oda kartları */
.room-card {
  display: inline-block;
  width: 100px;
  height: 100px;
  margin: 10px;
  border-radius: 8px;
  color: white;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

/* Durum renkleri */
.status-available { background: green; }
.status-occupied { background: red; }
.status-reserved { background: orange; }
.status-cleaning { background: yellow; color: black; }