/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

/* Login Container */
.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    padding: 40px;
}

.login-header {
    text-align: center;
    margin-bottom: 30px;
}

.login-header .login-logo {
    max-width: 300px;
    max-height: 180px;
    height: auto;
    width: auto;
    object-fit: contain;
    margin-bottom: 20px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.login-header .login-logo.hidden {
    display: none;
}

.login-header h1 {
    color: #333;
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 8px;
}

.login-header h1.hidden {
    display: none;
}

.login-header p {
    color: #333;
    font-size: 18px;
    font-weight: 900;
    font-family: 'Arial Black', 'Arial Bold', 'Helvetica Neue', Helvetica, Arial, sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
}

/* Form Styles */
.login-form {
    margin-top: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: #333;
    font-weight: 500;
    font-size: 14px;
}

.form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
}

.form-group small {
    display: block;
    margin-top: 4px;
    color: #999;
    font-size: 12px;
}

/* Button stilleri: /css/buttons.css (tüm sayfalarda son yüklenir) */

/* Error Message */
.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    border: 1px solid #fcc;
}

/* Modal */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-content {
    background: white;
    border-radius: 12px;
    padding: 30px;
    max-width: 500px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.modal-header {
    text-align: center;
    margin-bottom: 30px;
}

.modal-header h2 {
    color: #333;
    font-size: 24px;
    margin-bottom: 8px;
}

.modal-header p {
    color: #666;
    font-size: 14px;
}

.modal-form {
    margin-top: 20px;
}

.modal-actions {
    margin-top: 30px;
}

/* Responsive */
@media (max-width: 480px) {
    .login-box {
        padding: 30px 20px;
    }
    
    .modal-content {
        padding: 20px;
    }
}