/* Grundlegende Resets */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Header Styles */
.header {
    background-color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo {
    font-size: 24px;
    font-weight: bold;
    color: #0084ff;
    text-decoration: none;
    letter-spacing: 1px;
}

.header-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
}

.header-btn {
    padding: 10px 20px;
    border: none;
    border-radius: 4px;
    font-size: 14px;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.header-btn-secondary {
    background-color: transparent;
    color: #0084ff;
    border: 2px solid #0084ff;
}

.header-btn-secondary:hover {
    background-color: #0084ff;
    color: white;
}

.header-btn-primary {
    background-color: #0084ff;
    color: white;
}

.header-btn-primary:hover {
    background-color: #0073e6;
}

/* Main content wrapper */
.main-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex: 1;
    padding: 20px;
}

.container {
    background-color: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    max-width: 1000px;
    width: 100%;
    display: flex;
    gap: 20px;
    overflow: hidden;
}

.image-section {
    flex: 1;
    background-color: #e8f4f8;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 500px;
}

.image-section img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.form-section {
    flex: 1;
    padding: 40px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

/* Formularelemente */
h1 {
    color: #333;
    margin-bottom: 20px;
    text-align: center;
}

.info-box {
    background-color: #e8f4f8;
    border-left: 4px solid #0084ff;
    padding: 15px;
    margin-bottom: 30px;
    border-radius: 4px;
    font-size: 14px;
    color: #333;
    line-height: 1.5;
}

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

label {
    display: block;
    margin-bottom: 6px;
    color: #333;
    font-weight: bold;
    font-size: 14px;
}

input[type="text"],
input[type="email"],
input[type="password"] {
    width: 100%;
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    transition: border-color 0.3s ease;
    font-family: Arial, sans-serif;
}

input:focus {
    outline: none;
    border-color: #0084ff;
    box-shadow: 0 0 5px rgba(0, 132, 255, 0.3);
}

button {
    width: 100%;
    padding: 12px;
    background-color: #0084ff;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 10px;
}

button:hover {
    background-color: #0073e6;
}

button:active {
    background-color: #0063cc;
}

/* Hilfstexte & Fehler */
.signup-hint, .login-hint {
    text-align: center;
    margin-top: 20px;
    color: #666;
    font-size: 14px;
}

.signup-hint a, .login-hint a {
    color: #0084ff;
    text-decoration: none;
    font-weight: bold;
    transition: color 0.3s ease;
}

.signup-hint a:hover, .login-hint a:hover {
    text-decoration: underline;
}

.error-message {
    color: #d32f2f;
    font-size: 13px;
    margin-top: 5px;
    display: none;
}

.form-group.has-error input {
    border-color: #d32f2f;
    box-shadow: 0 0 5px rgba(211, 47, 47, 0.3);
}

.form-group.has-error .error-message {
    display: block;
}

/* Modal / Popup Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal.show {
    display: flex;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background-color: white;
    padding: 40px;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    max-width: 500px;
    width: 90%;
    text-align: center;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from { transform: translateY(-50px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.modal-header {
    position: relative;
    margin-bottom: 20px;
}

.modal-header h2 {
    color: #0084ff;
    font-size: 24px;
}

.close-btn {
    position: absolute;
    right: 0;
    top: 0;
    font-size: 28px;
    color: #999;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-body {
    color: #333;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 30px;
}

.modal-footer {
    display: flex;
    gap: 10px;
    justify-content: center;
}

/* Responsive Anpassungen */
@media (max-width: 768px) {
    .container {
        flex-direction: column;
    }

    .image-section {
        min-height: 300px;
    }

    .header {
        flex-direction: column;
        gap: 15px;
    }

    .header-buttons {
        width: 100%;
        flex-direction: column;
    }

    .header-btn {
        width: 100%;
        text-align: center;
    }
}