body {
    background: #f4f4f4;
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
}
.login-container {
    max-width: 350px;
    margin: 80px auto;
    background: #fff;
    padding: 32px 28px 24px 28px;
    border-radius: 10px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.08);
    text-align: center;
}
.login-container h2 {
    margin-bottom: 18px;
    color: #333;
}
.login-container input {
    width: 100%;
    padding: 10px;
    margin-bottom: 14px;
    border: 1px solid #ccc;
    border-radius: 6px;
    font-size: 1rem;
}
.login-container button {
    width: 100%;
    padding: 10px;
    background: #4a90e2;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
    transition: background 0.2s;
}
.login-container button:hover {
    background: #357ab8;
}
.error {
    color: #fff;
    background: #e74c3c;
    padding: 8px;
    border-radius: 5px;
    margin-bottom: 12px;
}
.admin-container {
    max-width: 1100px;
    margin: 40px auto;
    background: #fff;
    padding: 36px 40px 28px 40px;
    border-radius: 16px;
    box-shadow: 0 4px 32px rgba(0,0,0,0.10);
}
.admin-container h1 {
    color: #333;
    margin-bottom: 18px;
}
.admin-container nav {
    margin-bottom: 18px;
}
.admin-container nav a {
    color: #4a90e2;
    text-decoration: none;
    margin: 0 8px;
    font-weight: 500;
}
.admin-container nav a:hover {
    text-decoration: underline;
}
hr {
    border: none;
    border-top: 1px solid #eee;
    margin: 18px 0;
}

/* Modern ve tema uyumlu admin panel stilleri */
body, .admin-container {
    font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
    background: #f4f8fb;
    color: #222;
}
.admin-container {
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 4px 32px rgba(74,144,226,0.10);
    padding: 36px 40px 28px 40px;
    margin: 40px auto;
    max-width: 1000px;
}
h1, h2, h3 {
    font-family: 'Poppins', 'Segoe UI', Arial, sans-serif;
    font-weight: 700;
    color: #357ab8;
}
nav a {
    color: #357ab8;
    text-decoration: none;
    font-weight: 500;
    margin-right: 8px;
}
nav a:hover {
    text-decoration: underline;
}
table {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    background: #f7faff;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 12px;
}
th, td {
    padding: 10px 8px;
    text-align: left;
}
th {
    background: #eaf2fb;
    color: #357ab8;
    font-weight: 600;
    font-size: 1.05rem;
    border-bottom: 2px solid #d0e2fa;
}
td {
    background: #fff;
    border-bottom: 1px solid #f0f4fa;
}
input[type="text"], textarea {
    border: 1px solid #d0e2fa;
    border-radius: 7px;
    padding: 8px 10px;
    font-size: 1rem;
    background: #f7faff;
    color: #222;
    transition: border 0.2s;
}
input[type="text"]:focus, textarea:focus {
    border: 1.5px solid #357ab8;
    outline: none;
}
button, .button {
    background: linear-gradient(120deg, #4a90e2 0%, #357ab8 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 8px 18px;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(74,144,226,0.10);
    transition: background 0.2s, box-shadow 0.2s;
}
button:hover, .button:hover {
    background: linear-gradient(120deg, #357ab8 0%, #4a90e2 100%);
    box-shadow: 0 4px 16px rgba(74,144,226,0.18);
}
input[type="file"] {
    display: none;
}
img {
    box-shadow: 0 2px 8px rgba(74,144,226,0.10);
}
/* Bakım kutusu ve mesajlar */
.maintenance-box {
    background: #f7faff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(74,144,226,0.10);
    padding: 18px 18px 12px 18px;
    margin-bottom: 22px;
    max-width: 420px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}
.maintenance-box .status {
    color: #357ab8;
}
.maintenance-box .success {
    background: #27ae60;
    color: #fff;
    border-radius: 7px;
    padding: 8px 14px;
    margin-top: 8px;
    font-weight: 600;
}
.maintenance-box .error {
    background: #e74c3c;
    color: #fff;
    border-radius: 7px;
    padding: 8px 14px;
    margin-top: 8px;
    font-weight: 600;
}
@media (max-width: 700px) {
    .admin-container {
        padding: 12px 2vw;
    }
    table, th, td {
        font-size: 0.98rem;
    }
}