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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #143345 0%, #2dbec6 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 500px;
}

.form-wrapper {
    background: white;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    padding: 40px;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.form-header h1 {
    color: #143345;
    font-size: 2.5em;
    margin-bottom: 10px;
    font-weight: 700;
}

.form-header p {
    color: #666;
    font-size: 1.1em;
}

.registration-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    color: #333;
    font-weight: 600;
    font-size: 0.95em;
}

.required {
    color: #e74c3c;
}

.form-group input,
.form-group select {
    padding: 12px 16px;
    border: 2px solid #e0e0e0;
    border-radius: 10px;
    font-size: 1em;
    transition: all 0.3s ease;
    font-family: inherit;
    background-color: #fafafa;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: #2dbec6;
    background-color: white;
    box-shadow: 0 0 0 3px rgba(45, 190, 198, 0.1);
}

.form-group input:hover,
.form-group select:hover {
    border-color: #2dbec6;
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%232dbec6' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 40px;
}

.submit-btn {
    margin-top: 10px;
    padding: 14px 24px;
    background: linear-gradient(135deg, #143345 0%, #2dbec6 100%);
    color: white;
    border: none;
    border-radius: 10px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(45, 190, 198, 0.4);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(45, 190, 198, 0.5);
}

.submit-btn:active {
    transform: translateY(0);
}

.success-message {
    margin-top: 20px;
    padding: 15px;
    background-color: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 10px;
    color: #155724;
    text-align: center;
    animation: fadeIn 0.5s ease-out;
}

.error-message {
    margin-top: 20px;
    padding: 15px;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 10px;
    color: #721c24;
    text-align: center;
    animation: fadeIn 0.5s ease-out;
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

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

/* Responsive Design */
@media (max-width: 600px) {
    .form-wrapper {
        padding: 30px 20px;
    }

    .form-header h1 {
        font-size: 2em;
    }
}