/* style.css */
body { font-family: 'Segoe UI', Tahoma, sans-serif; margin: 0; background-color: #f8fafc; color: #334155; }
nav { background-color: #1e293b; padding: 1rem; text-align: center; }
nav a { color: #f1f5f9; margin: 0 15px; text-decoration: none; font-weight: bold; }
nav a:hover { color: #38bdf8; }
.container { max-width: 900px; margin: 20px auto; padding: 20px; background: white; border-radius: 10px; box-shadow: 0 2px 4px rgba(0,0,0,0.1); }
h1, h2 { color: #0f172a; }
table { width: 100%; border-collapse: collapse; margin-top: 20px; }
th, td { border: 1px solid #e2e8f0; padding: 12px; text-align: left; }
th { background-color: #f1f5f9; }
.footer { text-align: center; margin-top: 40px; color: #64748b; font-size: 0.9rem; }
/* Giriş Ekranı Arka Planı ve Kartı */
.welcome-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    font-family: 'Segoe UI', sans-serif;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 9999;
}
.welcome-card {
    background: #ffffff;
    padding: 40px;
    border-radius: 16px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
    text-align: center;
    max-width: 400px;
    width: 90%;
}
.logo-area i {
    font-size: 55px;
    color: #1e3c72;
    margin-bottom: 15px;
}
.logo-area h1 {
    font-size: 24px;
    color: #333;
    margin: 5px 0;
    font-weight: 700;
}
.info-box {
    background: #f4f6f9;
    padding: 12px;
    border-radius: 8px;
    margin: 20px 0;
    color: #666;
    font-size: 13.5px;
}
.password-form input {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 15px;
    margin-bottom: 10px;
    box-sizing: border-box;
    text-align: center;
}
.password-form input:focus {
    border-color: #1e3c72;
    outline: none;
}
.main-enter-btn {
    background: #27ae60;
    color: white;
    border: none;
    padding: 12px 25px;
    font-size: 15px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: bold;
    width: 100%;
    transition: 0.2s;
}
.main-enter-btn:hover {
    background: #219653;
}