* {
    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;
    padding: 20px;
    color: #333;
}

.container {
    max-width: 480px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    padding: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

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

    .header h1 {
        color: #667eea;
        font-size: 28px;
        font-weight: 700;
        margin-bottom: 8px;
    }

    .header p {
        color: #6b7280;
        font-size: 14px;
    }

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

label {
    display: block;
    font-weight: 600;
    color: #374151;
    margin-bottom: 8px;
    font-size: 14px;
}

select, textarea {
    width: 100%;
    padding: 14px;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    font-size: 16px;
    font-family: inherit;
    background: white;
    transition: all 0.3s ease;
    -webkit-appearance: none;
    appearance: none;
}

select {
    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='%23667eea' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 14px center;
    padding-right: 40px;
}

    select:focus, textarea:focus {
        outline: none;
        border-color: #667eea;
        box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
    }

    select:disabled {
        background-color: #f9fafb;
        color: #9ca3af;
        cursor: not-allowed;
    }

textarea {
    min-height: 120px;
    resize: vertical;
    line-height: 1.5;
}

.checkbox-group {
    display: flex;
    align-items: center;
    padding: 16px;
    background: #f9fafb;
    border-radius: 12px;
    margin-bottom: 20px;
    cursor: pointer;
    transition: all 0.3s ease;
}

    .checkbox-group:hover {
        background: #f3f4f6;
    }

    .checkbox-group input[type="checkbox"] {
        width: 22px;
        height: 22px;
        margin-right: 12px;
        cursor: pointer;
        accent-color: #667eea;
    }

    .checkbox-group label {
        margin: 0;
        cursor: pointer;
        flex: 1;
    }

.btn-submit {
    width: 100%;
    padding: 16px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

    .btn-submit:active {
        transform: translateY(2px);
        box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
    }

    .btn-submit:disabled {
        background: #d1d5db;
        cursor: not-allowed;
        box-shadow: none;
    }

.success-message {
    display: none;
    padding: 16px;
    background: #d1fae5;
    border: 2px solid #10b981;
    border-radius: 12px;
    color: #065f46;
    margin-bottom: 20px;
    text-align: center;
    font-weight: 600;
}

    .success-message.show {
        display: block;
        animation: slideIn 0.3s ease;
    }

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.loading {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid #ffffff;
    border-radius: 50%;
    border-top-color: transparent;
    animation: spin 0.6s linear infinite;
    margin-left: 8px;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}